WARNING: RECOGNIZE THIS SYMBOL AS AN INDICATION OF IMPORTANT SAFETY INFORMATION R-410A HEAT PUMP WARNING THESE INSTRUCTIONS OUTDOOR UNITS ARE INTENDED AS AN AID TO QUALIFIED, LICENSED SERVICE PERSONNEL FOR PROPER INSTALLATION, ADJUSTMENT, AND OPERATION OF THIS UNIT. INSTALLATION INSTRUCTIONS READ THESE INSTRUCTIONS THOROUGHLY BEFORE 16 SEER TWO-STAGE ATTEMPTING INSTALLATION OR OPERATION. FAILURE NON-COMMUNICATING HEAT PUMP TO FOLLOW THESE INSTRUCTIONS MAY RESULT IN IMPROPER INSTALLATION, ADJUSTMENT, SERVICE, OR MAINTENANCE POSSIBLY RESULTING IN FIRE, ELECTRICAL SHOCK, PROPERTY DAMAGE, PERSONAL INJURY, OR DEATH.
Do not destroy this manual. Please read carefully and keep in a safe place for future reference by a serviceman.
NOTE: Actual unit appearance may vary.
[ ] Indicates metric conversions. 92-105074-15-01 ( / ) Printed in USA CONTENTS 1.0 IMPORTANT SAFETY INFORMATION...... 3 6.0 SEQUENCE OF OPERATION...... 30-31 2.0 GENERAL INFORMATION...... 4-5 ϲ͘ϭŽŽůŝŶŐDŽĚĞ͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘ϯϬ Ϯ͘ϭ/ŶƚƌŽĚƵĐƟŽŶ͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘ϰ ϲ͘Ϯ,ĞĂƟŶŐDŽĚĞ͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘ϯϬ Ϯ͘Ϯ/ŵƉŽƌƚĂŶĐĞŽĨĂYƵĂůŝƚLJ/ŶƐƚĂůůĂƟŽŶ͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘ϰ ϲ͘ϯ^ƵƉƉůĞŵĞŶƚĂů ůĞĐƚƌŝĐ,ĞĂƚƵƌŝŶŐ,ĞĂƟŶŐDŽĚĞ͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘ϯϬ Ϯ͘ϯ^LJƐƚĞŵ^ŝnjŝŶŐĂŶĚ^ĞůĞĐƟŽŶ͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘ϰ ϲ͘ϰƵĂů&ƵĞůƉƉůŝĐĂƟŽŶͲ,ĞĂƟŶŐDŽĚĞ͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘ϯϬ Ϯ͘ϰ/ŵƉŽƌƚĂŶĐĞŽĨWƌŽƉĞƌ/ŶĚŽŽƌͬKƵƚĚŽŽƌDĂƚĐŚͲhƉƐ͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘ϱ ...... 31 Ϯ͘ϱŚĞĐŬŝŶŐWƌŽĚƵĐƚZĞĐĞŝǀĞĚ͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘ϱ ϲ͘ϱĞŵĂŶĚĞĨƌŽƐƚ Ϯ͘ϲ ĸĐŝĞŶĐLJdĞƐƟŶŐEŽƟĐĞ͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘ϱ 7.0 COMPONENTS AND CONTROLS...... 32-34
Contents Ϯ͘ϳŽŵƉƌĞƐƐŽƌƌĞĂŬͲ/ŶEŽƟĐĞ͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘ϱ ϳ͘ϭĞŵĂŶĚĞĨƌŽƐƚŽŶƚƌŽů͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘ϯϮ 3.0 UNIT SPECIFICATIONS...... 6-7 ϳ͘ϮŽŵƉƌĞƐƐŽƌ ...... 33 ϯ͘ϭDŽĚĞůEƵŵďĞƌEŽŵĞŶĐůĂƚƵƌĞ͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘ϲ ϳ͘ϯ&ĂŶDŽƚŽƌ ...... 33 ϯ͘ϮǀĂŝůĂďůĞDŽĚĞůƐ͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘ϲ ϯ͘ϯ ůĞĐƚƌŝĐĂůĂŶĚWŚLJƐŝĐĂůĂƚĂ͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘ϳ ϳ͘ϰKƵƚĚŽŽƌ&ĂŶ͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘ϯϯ 4.0 INSTALLATION...... 8-25 ϳ͘ϱŽŵƉƌĞƐƐŽƌ^ƵŵƉdŚĞƌŵŝƐƚŽƌ͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘ϯϯ ϰ͘ϭdŽŽůƐΘZĞĨƌŝŐĞƌĂŶƚ͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘ϴ ϳ͘ϲŽŵƉƌĞƐƐŽƌŽŶƚĂĐƚŽƌ͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘ϯϯ ϰ͘ϭ͘ϭdŽŽůƐZĞƋƵŝƌĞĚĨŽƌ/ŶƐƚĂůůŝŶŐΘ^ĞƌǀŝĐŝŶŐZͲϰϭϬDŽĚĞůƐ͘͘͘͘͘͘͘͘͘͘͘ϴ ϳ͘ϳZĞǀŝƐŝŶŐsĂůǀĞ͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘ϯϯ ϰ͘ϭ͘Ϯ^ƉĞĐŝĮĐĂƟŽŶƐŽĨZͲϰϭϬ͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘ϴ ϳ͘ϴŚĂƌŐĞŽŵƉĞŶƐĂƚŽƌ͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘ϯϯ ϰ͘ϭ͘ϯYƵŝĐŬZĞĨĞƌĞŶĐĞ'ƵŝĚĞĨŽƌZͲϰϭϬ͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘ϴ ϳ͘ϵŝƐĐŚĂƌŐĞ>ŝŶĞDƵŋĞƌ͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘ϯϯ ϰ͘ϮŚŽŽƐŝŶŐĂ>ŽĐĂƟŽŶ͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘ϵ ϰ͘Ϯ͘ϭůůŽǁĂďůĞůĞĂƌĂŶĐĞƐ͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘ϵ ϳ͘ϭϬdŚĞƌŵĂů džƉĂŶƐŝŽŶsĂůǀĞ;dysͿ͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘ϯϰ ϰ͘Ϯ͘ϮKƉĞƌĂƟŽŶĂů/ƐƐƵĞƐZĞůĂƚĞĚƚŽhŶŝƚ>ŽĐĂƟŽŶ͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘ϵ ϳ͘ϭϭŽŵƉƌĞƐƐŽƌƌĂŶŬĐĂƐĞ,ĞĂƚĞƌ͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘ϯϰ ϰ͘Ϯ͘ϯŽƌƌŽƐŝǀĞ ŶǀŝƌŽŶŵĞŶƚƐ͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘ϭϬ ϳ͘ϭϮ,ŝŐŚĂŶĚ>ŽǁWƌĞƐƐƵƌĞŽŶƚƌŽůƐ͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘ϯϰ ϰ͘Ϯ͘ϰƵƐƚŽŵĞƌ^ĂƟƐĨĂĐƟŽŶ/ƐƐƵĞƐ͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘ϭϬ ϳ͘ϭϯŽŵƉƌĞƐƐŽƌ,ĂƌĚ^ƚĂƌƚŽŵƉŽŶĞŶƚƐ͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘ϯϰ ϰ͘ϯDŽƵŶƟŶŐhŶŝƚ͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘ϭϬ 8.0 ACCESSORIES...... 35 ϰ͘ϯ͘ϭhŶŝƚͲDŽƵŶƟŶŐDĞƚŚŽĚƐ͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘ϭϬ ϴ͘ϭŽŵƉƌĞƐƐŽƌdŝŵĞĞůĂLJ͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘ϯϱ ϰ͘ϯ͘Ϯ,ŝŐŚtŝŶĚĂŶĚ^ĞŝƐŵŝĐdŝĞͲŽǁŶDĞƚŚŽĚƐ͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘ϭϬ ϰ͘ϯ͘ϯ ůĞǀĂƟŶŐhŶŝƚ͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘ϭϭ ϴ͘Ϯ>ŽǁŵďŝĞŶƚŽŶƚƌŽů͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘ϯϱ ϰ͘ϯ͘ϰ'ƌŽƵŶĚ^ŶŽǁĞƉƚŚdĂďůĞ͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘ϭϭ ϴ͘ϯŽŵƉƌĞƐƐŽƌ,ĂƌĚ^ƚĂƌƚ<ŝƚ͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘ϯϱ ϰ͘ϰZĞĨƌŝŐĞƌĂŶƚ>ŝŶĞ^Ğƚ^ĞůĞĐƟŽŶ͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘ϭϮ ϴ͘ϰ,ĞĂƚWƵŵƉdŚĞƌŵŽƐƚĂƚtĂƌŶŝŶŐ>ŝŐŚƚ ͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘ϯϱ ϰ͘ϰ͘ϭZĞƉůĂĐŝŶŐ džŝƐƟŶŐ^LJƐƚĞŵƐ͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘ϭϮ ϴ͘ϱ,ĞĂƚWƵŵƉdŚĞƌŵŽƐƚĂƚtĂƌŶŝŶŐ>ŝŐŚƚ͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘ϯϱ ϰ͘ϰ͘Ϯ>ŝŶĞ^Ğƚ>ĞŶŐƚŚĂŶĚ&ŝƫŶŐ>ŽƐƐĞƐ͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘ϭϮ ϴ͘ϲZĞŵŽƚĞKƵƚĚŽŽƌdĞŵƉĞƌĂƚƵƌĞ^ĞŶƐŽƌ͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘ϯϱ ϰ͘ϰ͘ϯ>ŝƋƵŝĚ>ŝŶĞ^ĞůĞĐƟŽŶ͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘ϭϮ ϴ͘ϳŽŵƉƌĞƐƐŽƌ^ŽƵŶĚ ŶĐůŽƐƵƌĞ͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘ϯϱ ϰ͘ϰ͘ϰsĂƉŽƌ>ŝŶĞ^ĞůĞĐƟŽŶ͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘ϭϱ 9.0 DIAGNOSTICS AND TROUBLESHOOTING...... 36-47 ϰ͘ϰ͘ϱ>ŽŶŐ>ŝŶĞ>ĞŶŐƚŚŽŶƐŝĚĞƌĂƟŽŶƐ͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘ϭϱ ϰ ͘ ϰ ͘ ϱ ͘ ϭ ĞƚĞƌŵŝŶŝŶŐŝĨ>ŽŶŐ>ŝŶĞ^Ğƚ>ĞŶŐƚŚZĞƋƵŝƌĞŵĞŶƚƐƉƉůLJ͘͘͘ϭϱ ϵ͘ϭĞĨƌŽƐƚŽŶƚƌŽůŝĂŐŶŽƐƟĐŽĚĞƐ͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘ϯϲ ϰ͘ϰ͘ϱ͘ϮKŝůZĞƚƵƌŶƚŽŽŵƉƌĞƐƐŽƌ͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘ϭϱ ϵ͘ϮKƵƚĚŽŽƌŵďŝĞŶƚĂŶĚŽŝů^ĞŶƐŽƌdĞŵƉĞƌĂƚƵƌĞ ϰ͘ϰ͘ϱ͘ϯZĞĨƌŝŐĞƌĂŶƚDŝŐƌĂƟŽŶƵƌŝŶŐKīLJĐůĞͬƌĂŶŬĐĂƐĞ sƐZĞƐŝƐƚĂŶĐĞdĂďůĞ ...... 36 ,ĞĂƚĞƌZĞƋƵŝƌĞŵĞŶƚƐ͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘ϭϱ ϵ͘ϯ ůĞĐƚƌŝĐĂůŚĞĐŬƐ&ůŽǁĐŚĂƌƚ͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘ϯϳ ϰ͘ϰ͘ϱ͘ϰDĂdžŝŵƵŵ>ŝƋƵŝĚWƌĞƐƐƵƌĞƌŽƉ͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘ϭϱ ϵ͘ϰŽŽůŝŶŐDĞĐŚĂŶŝĐĂůŚĞĐŬƐ&ůŽǁĐŚĂƌƚ ͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘ϯϴ ϰ͘ϰ͘ϱ͘ϱ>ŝƋƵŝĚ>ŝŶĞZĞĨƌŝŐĞƌĂŶƚ&ůĂƐŚŝŶŐ͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘ϭϱ ϵ͘ϱ,ĞĂƟŶŐDĞĐŚĂŶŝĐĂůŚĞĐŬƐ&ůŽǁĐŚĂƌƚ͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘ϯϵ ϰ͘ϰ͘ϱ͘ϲŽŵƉƌĞƐƐŽƌKŝů>ĞǀĞůĚũƵƐƚŵĞŶƚĨŽƌ>ŽŶŐ>ŝŶĞ ^ĞƚƉƉůŝĐĂƟŽŶƐ ...... 16 ϵ͘ϲĞĨƌŽƐƚDĞĐŚĂŶŝĐĂůŚĞĐŬƐ&ůŽǁĐŚĂƌƚ ͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘ϰϬ ϰ͘ϰ͘ϱ͘ϳĂƉĂĐŝƚLJ>ŽƐƐĞƐ͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘ϭϲ ϵ͘ϳĞĨƌŽƐƚdĞƐƚDŽĚĞ͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘ϰϬ ϰ͘ϱ>ŝŶĞ^Ğƚ/ŶƐƚĂůůĂƟŽŶ͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘ϭϳ ϵ͘ϴ'ĞŶĞƌĂůdƌŽƵďůĞƐŚŽŽƟŶŐ'ƵŝĚĞ͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘ϰϭ ϰ͘ϱ͘ϭ/ŵƉŽƌƚĂŶƚdƵďŝŶŐ/ŶƐƚĂůůĂƟŽŶWƌĂĐƟĐĞƐ͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘ϭϳ ϵ͘ϵ^ĞƌǀŝĐĞŶĂůLJnjĞƌŚĂƌƚƐ͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘ϰϮ ϰ͘ϱ͘ϮZĞůĂƟǀĞ>ŽĐĂƟŽŶŽĨ/ŶĚŽŽƌĂŶĚKƵƚĚŽŽƌhŶŝƚƐ͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘ϭϴ ϵ͘ϭϬdƌŽƵďůĞƐŚŽŽƟŶŐdŝƉƐ͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘ϰϳ ϰ͘ϱ͘Ϯ͘ϭ/ŶĚŽŽƌĂŶĚKƵƚĚŽŽƌhŶŝƚEĞĂƌ^ĂŵĞ>ĞǀĞů͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘ϭϴ 10.0 OUTDOOR UNIT MAINTENANCE ...... 48 ϰ͘ϱ͘Ϯ͘ϮKƵƚĚŽŽƌhŶŝƚĞůŽǁ/ŶĚŽŽƌhŶŝƚ͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘ϭϵ ϰ͘ϱ͘Ϯ͘ϯKƵƚĚŽŽƌhŶŝƚďŽǀĞ/ŶĚŽŽƌhŶŝƚ͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘ϮϬ ϭϬ͘ϭ KƵƚĚŽŽƌ Žŝů ůĞĂŶŝŶŐ ͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘ϰϴ ϰ͘ϱ͘ϯdƵďŝŶŐŽŶŶĞĐƟŽŶƐ͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘Ϯϭ ϭϬ͘Ϯ ĂďŝŶĞƚ ůĞĂŶŝŶŐ ĂŶĚ ĂƌĞ ͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘ϰϴ ϰ͘ϲ/ŶŝƟĂů>ĞĂŬdĞƐƟŶŐ͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘ϮϮ ϭϬ͘ϯ DŽƚŽƌ >ƵďƌŝĐĂƟŽŶ ͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘ϰϴ ϰ͘ϳ ǀĂĐƵĂƟŽŶ ...... 22 ϭϬ͘ϰ ZĞƉůĂĐĞŵĞŶƚ WĂƌƚƐ ͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘ϰϴ ϰ͘ϴ&ŝŶĂů>ĞĂŬdĞƐƟŶŐ͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘ϮϮ 11.0 WIRING DIAGRAM ...... 49-50 ...... 23 ϰ͘ϵŽŶƚƌŽůtŝƌŝŶŐ ϭϭ͘ϭϮĂŶĚϯdŽŶƐDŽĚĞůƐǁŝƚŚ D&ĂŶDŽƚŽƌ͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘ϰϵ ϰ͘ϭϬdLJƉŝĐĂůŽŶƚƌŽůtŝƌŝŶŐŽŶŶĞĐƟŽŶƐ͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘Ϯϯ ϰ͘ϭϭWŽǁĞƌtŝƌŝŶŐ͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘Ϯϱ ϭϭ͘ϮϰĂŶĚϱdŽŶƐDŽĚĞůƐǁŝƚŚW^&ĂŶDŽƚŽƌ͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘ϱϬ ϰ͘ϭϮ'ƌŽƵŶĚŝŶŐ͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘Ϯϱ 5.0 SYSTEM START-UP AND REFRIGERANT CHARGING...... 26-29 ϱ͘ϭ^LJƐƚĞŵ^ƚĂƌƚͲhƉKǀĞƌǀŝĞǁ͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘Ϯϲ ϱ͘Ϯ/ŶŝƟĂůWŽǁĞƌhƉ͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘Ϯϲ ϱ͘ϯsĞƌŝĨLJŝŶŐ/ŶĚŽŽƌŝƌͲ&ůŽǁ͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘Ϯϲ ϱ͘ϰZĞĨƌŝŐĞƌĂŶƚŚĂƌŐŝŶŐ͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘Ϯϳ ϱ͘ϰ͘ϭD Ğ ĂƐƵƌĞŵĞŶƚĞǀŝĐĞ^ĞƚhƉ͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘Ϯϳ ϱ͘ϰ͘ϮWƌĞůŝŵŝŶĂƌLJŚĂƌŐŝŶŐďLJtĞŝŐŚƚ͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘Ϯϳ ϱ͘ϰ͘ϯWƌĞůŝŵŝŶĂƌLJŚĂƌŐŝŶŐďLJWƌĞƐƐƵƌĞ͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘Ϯϴ ϱ͘ϰ͘ϰ&ŝŶĂůŚĂƌŐŝŶŐďLJ>ŝƋƵŝĚ^ƵďĐŽŽůŝŶŐ͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘͘Ϯϴ 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2 1.0 IMPORTANT SAFETY INFORMATION
WARNINGS: CAUTIONS: • These instructions are intended as an aid to • R-410A systems operate at approximately 60% higher
qualified, licensed service personnel for proper pressures (1.6 times) than R-22 systems. Do not use Safety installation, adjustment, and operation of this unit. R-22 service equipment or components on R-410A Read these instructions thoroughly before attempting HTXLSPHQW8VHDSSURSULDWHFDUHZKHQXVLQJWKLV installation or operation. Failure to follow these refrigerant. Failure to exercise care may result in instructions may result in improper installation, equipment damage or personal injury. adjustment, service, or maintenance possibly • 2QO\PDWFKWKLVRXWGRRUXQLWZLWKDPDWFKHGLQGRRU resulting in fire, electrical shock, property FRLORUDLUKDQGOHUDSSURYHGIRUXVHZLWKWKLVRXWGRRU damage, personal injury, or death. XQLWSHUWKHXQLWPDQXIDFWXUHU·VVSHFLILFDWLRQVKHHW • The unit must be permanently grounded. Failure 7KHXVHRIXQPDWFKHGFRLOVRUDLUKDQGOHUZLOOOLNHO\ to do so can cause electrical shock resulting in UHVXOWLQDFKDUJHLPEDODQFHEHWZHHQWKHFRROLQJ DQGKHDWLQJPRGHVZKLFKFDQFDXVHXQVDWLVIDFWRU\ severe personal injury or death. RSHUDWLRQLQFOXGLQJDKLJKSUHVVXUHVZLWFKORFNRXW • Turn off electric power at the fuse box or service condition. panel before making any electrical connections. • Only use indoor coils approved for use on R-410A • Complete the ground connection before making V\VWHPV$Q5FRLOZLOOKDYHD7;9RUIL[HG line voltage connections. Failure to do so can restrictor device that is not designed to operate result in electrical shock, severe personal injury, SURSHUO\LQDQ5$V\VWHPDQGZLOOUHVXOWLQ or death. serious operational issues. The R-22 coil could also • Disconnect all power to unit before starting FRQWDLQPLQHUDORLOZKLFKLVLQFRPSDWLEOHZLWKWKH maintenance. Failure to do so can cause POE oil used in R-410A systems and could result in electrical shock resulting in severe personal UHOLDELOLW\LVVXHVZLWKWKHFRPSUHVVRUDQG7;9V injury or death. • When coil is installed over a finished ceiling and/or living area, it is required that a secondary sheet metal • Never assume the unit is properly wired and/or condensate pan be constructed and installed under grounded. Always test the unit cabinet with a the entire unit. Failure to do so can result in property noncontact voltage detector available at most damage. electrical supply houses or home centers before • The compressor has an internal overload protector. removing access panels or coming into contact 8QGHUVRPHFRQGLWLRQVLWFDQWDNHXSWRKRXUVIRU with the unit cabinet. WKLVRYHUORDGWRUHVHW0DNHVXUHRYHUORDGKDVKDG • Do not use oxygen to purge lines or pressurize time to reset before condemning the compressor. system for leak test. Oxygen reacts violently with • UNIT MAY START SUDDENLY AND WITHOUT oil, which can cause an explosion resulting in WARNING. A flashing red light on the heat pump/ severe personal injury or death. defrost control indicates a call for unit operation is • The top of the scroll compressor shell is hot. present at the heat pump/defrost control. The heat Touching the compressor top may result in serious SXPSGHIURVWFRQWUROZLOODWWHPSWWRVWDUWXQLWDIWHU personal injury. WKHDQWLVKRUWF\FOHWLPHH[SLUHVZKHQDKLJKRUORZ • 7KHPDQXIDFWXUHU·VZDUUDQW\GRHVQRWFRYHU SUHVVXUHFRQWURODXWRPDWLFDOO\UHVHWVRUZKHQWKH any damage or defect to the unit caused by the KHDWSXPSGHIURVWFRQWUROH[LWVWKHORFNRXWPRGHDV the temperature rises above 5°F [-15°C]. attachment or use of any components, accessories, or devices (other than those authorized by the PDQXIDFWXUHU LQWRRQWRRULQFRQMXQFWLRQZLWK WARNING: the heat pump. You should be aware that the Single-pole contactors are used on all standard use of unauthorized components, accessories, single-phase units through 5 tons. Caution must or devices may adversely affect the operation be exercised when servicing as only one leg of the of the heat pump and may also endanger life power supply is broken by the contactor. and property. The manufacturer disclaims any responsibility for such loss or injury resulting from the use of such unauthorized components, accessories, or devices.
3 2.0 GENERAL INFORMATION • NFPA90A Installation of Air Conditioning and WARNING: 9HQWLODWLQJ6\VWHPV Improper installation, or installation not made in accordance with these instructions, can result 1)3$ %,QVWDOODWLRQRIZDUPDLUKHDWLQJDQGDLU in unsatisfactory operation and/or dangerous conditioning systems. conditions and can cause the related warranty ,QVWDOOWKHLQGRRUXQLWLQVXFKDZD\DVWRDOORZ not to apply. QHFHVVDU\DFFHVVWRWKHFRLOILOWHUUDFNDQGEORZHU control compartment. 2.1 Introduction The information contained in this manual has 2.3 System Sizing and been prepared to assist in the proper installation, Selection operation, and maintenance of the air conditioning system. Before specifying any heat pump equipment, a survey of the structure and a heat loss and 5HDGWKLVPDQXDODQGDQ\LQVWUXFWLRQVSDFNDJHG heat gain calculation must be made. A heat loss ZLWKVHSDUDWHHTXLSPHQWUHTXLUHGWRPDNHXSWKH calculation involves identifying all surfaces and V\VWHPSULRUWRLQVWDOODWLRQ+RPHRZQHUVKRXOG openings that lose heat to the surrounding air retain this manual for future reference. and quantifying that heat loss. A cooling heat JDLQFDOFXODWLRQPDNHVVLPLODUPHDVXUHPHQWV 2.2 Importance of and determines the amount of heat needed General Information to be removed. A heat gain calculation also Quality Installation calculates the extra heat load caused by sunlight A quality installation is critical to assure safety, and by humidity removal. These factors must be reliability, comfort, and customer satisfaction. Strict considered before selecting a heat pump system to adherence to applicable codes, the information in provide year-round comfort. The Air Conditioning this installation manual, the outdoor unit installation Contractors of America (ACCA) Manual J method manual, and the thermostat installation manual of load calculation is one recognized procedure for DUHNH\WRDTXDOLW\LQVWDOODWLRQ5HDGWKHHQWLUH determining the heating and cooling load. instruction manuals before starting the installation. After the proper equipment combination has IMPORTANT: This product has been designed been selected, satisfying both sensible and and manufactured to meet certified AHRI capacity latent requirements, the system must be properly DQGHIILFLHQF\UDWLQJVZLWKWKHDSSURSULDWHRXWGRRU installed. Only then can the system provide the XQLWV+RZHYHUSURSHUUHIULJHUDQWFKDUJHSURSHU FRPIRUWLWZDVGHVLJQHGWRSURYLGH DLUIORZDQGUHIULJHUDQWOLQHVL]LQJDUHFULWLFDOWR There are several factors that installers must achieve optimum capacity and efficiency and to consider. assure reliable operation. Installation of this SURGXFWVKRXOGIROORZWKHPDQXIDFWXUHU·VUHIULJHUDQW • Outdoor unit location FKDUJLQJDQGDLUIORZLQVWUXFWLRQVORFDWHGLQWKLV • ,QGRRUXQLWEORZHUVSHHGDQGDLUIORZ installation manual and the charging chart label • Proper equipment evacuation affixed to the outdoor unit. Failure to confirm • Supply and return air duct design and sizing SURSHUFKDUJHDQGDLUIORZPD\UHGXFHHQHUJ\ • Refrigerant charge efficiency and shorten equipment life. • System air balancing • Diffuser and return air grille location and sizing The equipment has been evaluated in accordance ZLWKWKH&RGHRI)HGHUDO5HJXODWLRQV&KDSWHU;; IMPORTANT: Excessive use of Part 3280. HOERZVLQWKHUHIULJHUDQWOLQHVHWFDQSURGXFH H[FHVVLYHSUHVVXUHGURS)ROORZLQGXVWU\ ,QVWDOOWKHXQLWLQDFFRUGDQFHZLWKDSSOLFDEOH best practices for installation. Installation national, state, and local codes. Latest editions and commissioning of this equipment is to are available from: “National Fire Protection EHSHUIRUPHGE\WUDLQHGDQGTXDOLILHG+9$& $VVRFLDWLRQ,QF%DWWHU\PDUFK3DUN4XLQF\0$ professionals. For technical assistance, contact 02269.” These publications are: your Distributor Service Coordinator. • ANSI/NFPA No. 70-(Latest Edition) National Electrical Code.
4 2.0 GENERAL INFORMATION 2.4 Importance of 2.6 Efficiency Testing Proper Indoor/Outdoor Notice For purposes of verifying or testing efficiency ratings, Match-Ups the test procedure in Title 10 APPENDIX M to Subpart To assure many years of reliable operation B of Part 430 (Uniform Test Method for Measuring the and optimum customer comfort and to assure Energy Consumption of Central Air Conditioners and Heat WKHRXWGRRUXQLWZDUUDQW\UHPDLQVYDOLGDQDLU Pumps) and the clarifying provisions provided in the AHRI handler model or indoor coil/furnace combination Operations Manual 210/240 that were applicable at the should be selected that is properly matched to the date of manufacture should be used for test set up and outdoor unit. This is especially critical for heat performance.
pump systems to assure proper refrigerant charge General Information EDODQFHEHWZHHQWKHFRROLQJDQGKHDWLQJPRGHV The recommended approach is to select an air- 2.7 Compressor handler or indoor coil and gas furnace that has an Break-In Notice $+5,PDWFKZLWKWKHRXWGRRUXQLW5HIHUWRWKH Prior to agency testing, the unit must be run for 20 $+5,GLUHFWRU\DWZZZDKULGLUHFWRU\RUJWRFRQILUP the air-handler and outdoor unit are a certified hours at 115ºF [46.1ºC] outdoor ambient temperature combination in the AHRI Directory. ZLWK)>&@GU\EXOE)> &@ZHWEXOE LQGRRUDPELHQWWHPSHUDWXUHWREUHDNWKHFRPSUHVVRU 2.5 Checking Product in. Received Upon receiving unit, inspect it for any shipping damage. Claims for damage, either apparent or FRQFHDOHGVKRXOGEHILOHGLPPHGLDWHO\ZLWKWKH VKLSSLQJFRPSDQ\&KHFNPRGHOQXPEHUHOHFWULFDO characteristics, and accessories to determine if they DUHFRUUHFW&KHFNV\VWHPFRPSRQHQWV LQGRRUFRLO RXWGRRUXQLWDLUKDQGOHUIXUQDFHHWF WRPDNHVXUH they are properly matched.
5 3.0 UNIT SPECIFICATIONS 3.1 Model Number Nomenclature )2 & 9- & % $
0$-256(5,(6 $ ),567'(6,*16(5,(6 % 6(&21'6(6,*16(5,(6
021,56(5,(6 $ ),567'(6,*16(5,(6 % 6(&21''(6,*16(5,(6 +3/3&
&21752/6 1 121&20081,&$7,1*
92/7$*( - /3+
7<3( 7 7:267$*( 352'8&7&$7(*25< & $& 5 +($73803 6((5 6((5 Specifications &$3$&,7< %78 %78 %78 %78
%5$1' )2 )8-,768
3.2 Available Models
FO2416RTJNAA FO3616RTJNAA FO4816RTJNAA FO6016RTJNAA
6 3.0 UNIT SPECIFICATIONS 3.3 Electrical and Physical Data
Factory Fuse or HACR Design Pressure Regional Charge Compressor Fan Motor Minimum Compressor Model Number Volts Phase Hertz Circuit Breaker Size PSIG (kPa) Per Circuit Circuit Standard (A) (B) (C) (D) Statement oz. (g) RLA LRA FLA HP Ampacity MAX MIN High Low Codes Mfr. Part No. (S) (P) (E) (F) (G) (H) (J) (K) (L) (M) (N) (**)
FO2416RTJNAA 137 (3884) 208/230 1 60 13.0/13.0 58.3 2.8 1/3 20/20 30/30 25/25 550 (3792) 250 (1723) COPELAND 55-23156-47 9195 None
FO3616RTJNAA 156 (4423) 208/230 1 60 17.0/17.0 83 2.8 1/3 25/25 40/40 30/30 550 (3792) 250 (1723) COPELAND 55-23156-36 9196 None
FO4816RTJNAA 196 (5557) 208/230 1 60 23.6/23.6 104 1.4 1/4 31/31 50/50 40/40 550 (3792) 250 (1723) COPELAND 55-23156-37 9197 None
242 (6861) 208/230 1 60 28.8/28.8 152.9 1.4 1/4 38/38 60/60 45/45 550 (3792) 250 (1723) COPELAND 55-23156-34 9198 None FO6016RTJNAA
DIMENSIONALS
2-STAGE 16 SEER 24 36 48, 60 HEAT PUMP
Height “H” inches (mm) 31 (787) 35 (889) 45 (1143) Specifications
Length “L” inches (mm) 33.75 (857) 33.75 (857) 35.75 (908) Width “W” inches (mm) 33.75 (857) 33.75 (857) 35.75 (908)
ALLOW 60" [1524mm] OF A CLEARANCE I R
“W” D I S C H A R G “L” E
“H”
SERVICE PANELS/ INLET CONNECTIONS / HIGHSERVICE & PANELS/LOW VOLTAGE INLET CONNECTIONSACCESS ALLOW / HIGH & LOW VOLTAGE ACCESS ALLOW 24”24" [ 610 [610 mm] mm] OF OF CLEARANCE CLEARANCE AIRAIR INLET LOUVERS LOUVERS ALLOW ALLOW 6” [152mm]6" [152 Min. mm] OF CLEARANCEOF CLEARANCE ALL SIDES ALL SIDES ST-A1226-23-00 NOTE: Actual unit 12” [305mm] RECCOMMENDED 12" [305 mm] RECOMMENDED appearance may vary.
7 4.0 INSTALLATION 4.1 Tools and Refrigerant 4.1.1 Tools Required for Pressure: The pressure of R-410A is approximately 60% (1.6 times) greater than Installing and Servicing R-22. Recovery and recycle equipment, pumps, R-410A Models KRVHVDQGWKHOLNHPXVWKDYHGHVLJQSUHVVXUH Manifold Sets: ratings appropriate for R-410A. Manifold sets need to range up to 800 psig [5,516 kPa] high-side and ²8SWR36,*>N3D@+LJK6LGH 250 psig [1,724 kPa] low-side with a 550 psig ²8SWR36,*>N3D@/RZ6LGH [3,792 kPa] low-side retard. Hoses need to have
Tools ²36,*> N3D@/RZ6LGH5HWDUG a service pressure rating of 800 psig [5,516 kPa]. Manifold Hoses: Recovery cylinders need to have a 400 psig [2,758 ²6HUYLFH3UHVVXUH5DWLQJRI36,*>N3D@ kPa] service pressure rating, DOT 4BA400 or DOT Recovery Cylinders: BW400. ²36,*>N3D@3UHVVXUH5DWLQJ Combustibility: At pressures above 1 – Dept. of Transportation 4BA400 or BW400 atmosphere, a mixture of R-410A and air can become combustible. R-410A and air should Ambient and Tube never be mixed in tanks or supply lines or Thermometers Crescent Wrench be allowed to accumulate in storage tanks. Leak checking should never be done with a mixture of R-410A and air. /HDNFKHFNLQJFDQ Allen Wrench EHSHUIRUPHGVDIHO\ZLWKQLWURJHQRUDPL[WXUHRI R-410A and nitrogen. Manifold Gauge Set 4.1.3 Quick-Reference Guide for R-410A Brazing Recovery Rods Cylinders • R-410A refrigerant operates at approximately 60% higher pressure (1.6 times) than R-22. Ensure that servicing equipment is designed to RSHUDWHZLWK5$ • R-410A refrigerant cylinders are light rose in color. 5$DVZLWKRWKHU+)&VLVRQO\FRPSDWLEOH ZLWK32(RLOV 9DFXXPSXPSVZLOOQRWUHPRYHPRLVWXUHIURP TorchReclaimer Nitrogen POE oil used in R-410A systems. 5$V\VWHPVDUHWREHFKDUJHGZLWKOLTXLG refrigerants. Prior to March 1999, R-410A CAUTION: R-410A systems operate refrigerant cylinders had a dip tube. These at higher pressures than R-22 systems. Do not use F\OLQGHUVVKRXOGEHNHSWXSULJKWIRUHTXLSPHQW R-22 service equipment or components on R-410A charging. Post-March 1999 cylinders do not have equipment. a dip tube and should be inverted to ensure liquid 4.1.2 Specifications of R-410A charging of the equipment. • Do not install a suction line filter drier in the liquid line. Application: R-410A is not a drop-in $IDFWRU\DSSURYHGELIORZOLTXLGOLQHILOWHUGULHU replacement for R-22. Equipment designs must LVVKLSSHGZLWKHYHU\XQLWDQGPXVWEHLQVWDOOHG accommodate its higher pressures. It cannot be in the liquid line at the time of installation. Only retrofitted into R-22 heat pumps. manufacturer-approved liquid line filter driers Physical Properties: R-410A has an atmospheric VKRXOGEHXVHG)LOWHUGULHUVPXVWKDYHDZRUNLQJ boiling point of -62.9°F [-52.7°C] and its saturation SUHVVXUHUDWLQJRIDWOHDVWSVLJ>N3D@ SUHVVXUHDW)>&@LVSVLJ>N3D@ 7KHILOWHUGULHUZLOORQO\KDYHDGHTXDWHPRLVWXUH Composition: R-410A is a near-azeotropic holding capacity if the system is properly PL[WXUHRIE\ZHLJKWGLIOXRURPHWKDQH +)& evacuated. DQGE\ZHLJKWSHQWDIOXRURHWKDQH +)& • Desiccant (drying agent) must be compatible for 125). POE oils and R-410A refrigerant. 8 4.0 INSTALLATION 4.2 Choosing a Location 4.2.1 Allowable Clearances 4.2.2 Operational Issues WRVLGHLQWDNHORXYHUV Related to Unit Location 24" to service access panels 60" vertical for fan discharge IMPORTANT: Locate the unit in a ,IVSDFHOLPLWDWLRQVH[LVWWKHIROORZLQJFOHDUDQFHV PDQQHUWKDWZLOOQRWSUHYHQWLPSDLURUFRPSURPLVH ZLOOKDYHPLQLPDOLPSDFWWRFDSDFLW\DQGHIILFLHQF\ the performance of other equipment installed and are permitted: in proximity to the unit. Maintain all required Single-Unit Applications: Minimum of 6" to side minimum distances to gas and electric meters, LQWDNHORXYHUV'RQRWUHGXFHWKH>FP@ dryer vents, and exhaust and inlet openings. In for fan discharge or the 24" [61.0 cm] service WKHDEVHQFHRIQDWLRQDOFRGHVRUPDQXIDFWXUHUV· clearances. recommendations, local code recommendations Multiple-Unit Applications: For units positioned DQGUHTXLUHPHQWVZLOOWDNHSUHFHGHQFH next to each other, a minimum of 6" [15.2 cm] 5HIULJHUDQWSLSLQJDQGZLULQJVKRXOGEHSURSHUO\ FOHDUDQFHEHWZHHQXQLWVLVUHFRPPHQGHGIRU VL]HGDQGNHSWDVVKRUWDVSRVVLEOHWRDYRLG and 2 ton models and 9" [22.9 cm] for 2.5 ton to capacity losses and increased operating costs. 5 ton models. Do not reduce the 60" [152.4 cm] /RFDWHWKHXQLWZKHUHZDWHUUXQRIIZLOOQRWFUHDWH for fan discharge or the 24" [61.0 cm] service DSUREOHPZLWKWKHHTXLSPHQW3RVLWLRQWKHXQLW clearances. DZD\IURPWKHGULSHGJHRIWKHURRIZKHQHYHU SRVVLEOH8QLWVDUHZHDWKHUL]HGEXWFDQEH IMPORTANT: Consult local and DIIHFWHGE\WKHIROORZLQJ national building codes and ordinances for special • Water pouring into the unit from the junction Location LQVWDOODWLRQUHTXLUHPHQWV)ROORZLQJORFDWLRQ RIURRIOLQHVZLWKRXWSURWHFWLYHJXWWHULQJ/DUJH LQIRUPDWLRQZLOOSURYLGHORQJHUOLIHDQGVLPSOLILHG YROXPHVRIZDWHUHQWHULQJWKHKHDWSXPSZKLOH servicing of the outdoor heat pump. in operation can impact fan blade or motor life, and coil damage may occur to a heat pump if NOTICE: These units must be installed moisture cannot drain from the unit under freezing RXWGRRUV1RGXFWZRUNFDQEHDWWDFKHGRURWKHU conditions. modifications made, to the discharge grille. • Freezing moisture or sleeting conditions can 0RGLILFDWLRQVZLOODIIHFWSHUIRUPDQFHRURSHUDWLRQ cause the cabinet to ice-over prematurely and SUHYHQWKHDWSXPSRSHUDWLRQUHTXLULQJEDFNXS KHDWZKLFKJHQHUDOO\UHVXOWVLQOHVVHFRQRPLFDO
ALLOW 60” [1524 mm] RSHUDWLRQ,WLVKLJKO\UHFRPPHQGHGWRVZLWFKWKH OF CLEARANCE 6" MIN. (152 mm) FOR 1.5 & 2 TON EcoNet™ Control Center or thermostat to the 9" MIN. (229 mm) FOR 2.5-5 TON 24" MIN. (610 mm) "Emergency Heat" mode during freezing rain or sleeting conditions to prevent damage to the AIR INLET LOUVERS ALLOW 6” [152 mm] Min. OF outdoor coil from ice accumulating on the fan CLEARANCE ALL SIDES 12” [305 mm] RECOMMENDED blade. &ORVHO\IROORZWKHFOHDUDQFHUHFRPPHQGDWLRQVLQ SERVICE PANELS/ INLET CONNECTIONS Section 4.2.1. / HIGH & LOW VOLTAGE ACCESS ALLOW 24” [610 mm] OF CLEARANCE ST-A1226-04-00 • 24" [61.0 cm] to the service panel access • 60" [152.4 cm] above heat pump fan discharge (unit top) to prevent recirculation • 6" [15.2 cm] to heat pump coil grille air inlets ZLWK>FP@PLQLPXPUHFRPPHQGHG
9 4.0 INSTALLATION 4.2 Choosing a Location (cont.)
4.2.3 Corrosive Environment WARNING: 'LVFRQQHFWDOOSRZHU The metal parts of this unit may be subject to to unit before starting maintenance. Failure to do rust or deterioration if exposed to a corrosive VRFDQFDXVHHOHFWULFDOVKRFNUHVXOWLQJLQVHYHUH environment. This oxidation could shorten the personal injury or death. HTXLSPHQW·VXVHIXOOLIH 5HJXODUPDLQWHQDQFHZLOOUHGXFHWKHEXLOGXSRI Corrosive elements include, but are not limited to, FRQWDPLQDQWVDQGKHOSWRSURWHFWWKHXQLW·VILQLVK salt spray, fog or mist in seacoast areas, sulphur or )UHTXHQWZDVKLQJRIWKHFDELQHWIDQEODGHDQG FKORULQHIURPODZQZDWHULQJV\VWHPVDQGYDULRXV FRLOZLWKIUHVKZDWHUZLOOUHPRYHPRVWRIWKHVDOW chemical contaminants from industries such as or other contaminants that build up on the unit. paper mills and petroleum refineries. 5HJXODUFOHDQLQJDQGZD[LQJRIWKHFDELQHW ,IWKHXQLWLVWREHLQVWDOOHGLQDQDUHDZKHUH ZLWKDJRRGDXWRPRELOHSROLVKZLOOSURYLGHVRPH FRQWDPLQDQWVDUHOLNHO\WREHDSUREOHPVSHFLDO protection. attention should be given to the equipment location and exposure. • A good liquid cleaner may be used several times D\HDUWRUHPRYHPDWWHUWKDWZLOOQRWZDVKRIIZLWK $YRLGKDYLQJODZQVSULQNOHUKHDGVVSUD\GLUHFWO\ ZDWHU on the unit cabinet. • In coastal areas, locate the unit on the side of the 4.2.4 Customer Satisfaction EXLOGLQJDZD\IURPWKHZDWHUIURQW Issues • Shielding provided by a fence or shrubs may give 7KHKHDWSXPSVKRXOGEHORFDWHGDZD\IURPWKH some protection, but cannot violate minimum living, sleeping, and recreational spaces of the DLUIORZDQGVHUYLFHDFFHVVFOHDUDQFHV RZQHUDQGWKRVHVSDFHVRQDGMRLQLQJSURSHUW\ • To prevent noise transmission, the mounting pad for the outdoor unit should not be connected to Location the structure and should be located a sufficient GLVWDQFHDERYHJUDGHWRSUHYHQWJURXQGZDWHU from entering the unit.
4.3 4.3.1 Unit Mounting Methods 4.3.2 High Wind and Seismic The outdoor heat pump unit may be mounted in Tie-Down Methods DQXPEHURIZD\V7KHPRVWFRPPRQPHWKRGLV The manufacturer-approved/recommended method on a ground mounted concrete or pre-fabricated LVDJXLGHWRVHFXULQJHTXLSPHQWIRUZLQGDQG pad. It can also be mounted on a ground or roof seismic loads. Other methods might provide the PRXQWHGPHWDOIUDPHZRRGHQIUDPHRUµ[µ same result, but the manufacturer method is the ZRRGHQVWULQJHUV,WLVH[WUHPHO\LPSRUWDQWWR only one endorsed by the manufacturer for securing properly secure the unit to the pad or frame so it HTXLSPHQWZKHUHZLQGRUHDUWKTXDNHGDPDJH GRHVQRWVKLIWGXULQJKLJKZLQGVVHLVPLFHYHQWV can occur. Additional information is available on or other outside forces to eliminate the possibility WKHPDQXIDFWXUHU·VZHEVLWHRUIURPWKHZKROHVDOH of a safety hazard or physical damage to the distributor. unit. Local codes in regions subject to frequent KXUULFDQHVDQGVHLVPLFHYHQWVZLOOGLFWDWHVSHFLILF PRXQWLQJUHTXLUHPHQWVDQGPXVWEHIROORZHG,W is also important to elevate the heat pump in areas WKDWUHFHLYHDVLJQLILFDQWDPRXQWRIVQRZIDOOVR DFFXPXODWHGVQRZGRHVQRWEORFNWKHRXWGRRUFRLO DQGLQWHUIHUHZLWKGUDLQDJHRIZDWHUGXULQJWKH defrost cycle. Refer to Section 4.3.4 for typical JURXQGVQRZOHYHOVIRUGLIIHUHQWUHJLRQVRIWKH86$
10 4.0 INSTALLATION 4.3.3 Elevating Unit NOTICE: 'RQRWEORFNGUDLQRSHQLQJVRQERWWRP of unit. WARNING: Secure an elevated unit and its ,IXQLWPXVWEHHOHYDWHGEHFDXVHRIDQWLFLSDWHGVQRZIDOO elevating stand in order to prevent tipping. Failure to do so may secure unit and elevating stand such that unit and/or stand result in severe personal injury or death. ZLOOQRWWLSRYHURUIDOORII.HHSLQPLQGWKDWVRPHRQHPD\ If elevating the heat pump, either on a flat roof or on a slab, observe try to climb on unit. WKHIROORZLQJJXLGHOLQHV • The bottom of the basepan has receptacles for 4" [10.2 cm] (/(9$7($%29( VFKHGXOH39&SLSHWKDWFDQEHFXWWROHQJWKDQGXVHGDVULVHUV $17,&,3$7(+,*+ for slab applications. 612:)$// • If elevating a unit on a flat roof, use 4" x 4" [10.2 cm x 10.2 cm] or '2127%/2&. HTXLYDOHQWVWULQJHUVSRVLWLRQHGWRGLVWULEXWHXQLWZHLJKWHYHQO\DQG 23(1,1*6 prevent noise and vibration. ,1%$6(3$1 :KHUHVQRZIDOOLVDQWLFLSDWHGUDLVHWKHXQLWDERYHWKHEDVHSDGWR prevent ice buildup and coil damage. Mount the unit high enough %$6(3$' WREHDERYHWKHDYHUDJHDFFXPXODWHGDUHDVQRZIDOO6HH´*URXQG &21&5(7(2527+(5 6QRZ'HSWKµFKDUWEHORZIRUUHSUHVHQWDWLYHVQRZGHSWKV 67$ 68,7$%/(0$7(5,$/
4.3.4 Ground Snow Depth Table GROUND SNOW DEPTH – INCHES
ALABAMA INDIANA MINNESOTA NEW MEXICO PENNSYLVANIA VIRGINIA Huntsville 7 Evansville 12 Duluth 64 Albuquerque 4 Allentown 23 Dulles Airport 19 ARIZONA Fort Wayne 17 International Falls 43 Clayton 10 Erie 19 Lynchburg 16 Flagstaff 48 Indianapolis 21 Minneapolis/St. Paul 50 Roswell 8 Harrisburg 23 National Airport 18 Prescott 3 South Bend 44 Rochester 50 NEW YORK Philadelphia 16 Norfolk 9 Winslow 7 IOWA St. Cloud 53 Albany 25 Pittsburgh 22 Richmond 12 ARKANSAS Burlington 17 MISSISSIPPI Binghamton 35 Scranton 16 Roanoke 17 Fort Smith 5 Des Moines 22 Jackson 3 Buffalo 42 Williamsport 20 WASHINGTON Little Rock 6 Dubuque 38 MISSOURI NYC – Kennedy Airport 18 RHODE ISLAND Olympia 24 CALIFORNIA Sioux City 33 Columbia 21 NYC – LaGuardia Airport 18 Providence 21 Quillayute 24 Blue Canyon 25 Waterloo 36 Kansas City 18 Rochester 38 SOUTH CAROLINA Seattle-Tacoma 14 Mt. Shasta 69 KANSAS St. Louis 16 Syracuse 35 Columbia 12 Spokane 41 COLORADO Concordia 23 Springfi eld 14 NORTH CAROLINA Greenville 4 Stampede Pass 51 Alamosa 15 Dodge City 12 MONTANA Asheville 12 SOUTH DAKOTA Yakima 25 Colorado Springs 14 Goodland 14 Billings 17 Cape Hattaras 5 Aberdeen 42 WEST VIRGINIA Denver 15 Topeka 19 Glasgow 17 Charlotte 10 Huron 43 Beckley 51 Grand Junction 16 Wichita 11 Great Falls 16 Greensboro 11 Rapid City 14 Charleston 20 Pueblo 7 KENTUCKY Havre 24 Raleigh-Durham 10 Sioux Falls 38 Elkins 21 CONNECTICUT Covington 12 Helena 18 Wilmington 9 TENNESSEE Huntington 15 Bridgeport 23 Lexington 12 Kalispell 53 Winston-Salem 17 Bristol 8 WISCONSIN Hartford 29 Louisville 11 Missoula 23 NORTH DAKOTA Chattanooga 6 Green Bay 36
New Haven 15 MAINE NEBRASKA Bismarck 25 Knoxville 8 La Crosse 32 Mounting DELAWARE Caribou 100 Grand Island 30 Fargo 34 Memphis 5 Madison 32 Wilmington 13 Portland 62 Lincoln 20 Williston 25 Nashville 8 Milwaukee 32 GEORGIA MARYLAND Norfolk 29 OHIO TEXAS WYOMING Athens 5 Baltimore 17 North Platte 15 Akron-Canton 15 Abilene 6 Casper 10 Macon 8 MASSACHUSETTS Omaha 20 Cleveland 16 Amarillo 10 Cheyenne 15 IDAHO Boston 30 Scottsbluff 11 Columbus 10 Dallas 3 Lander 20 Boise 6 Nantucket 18 Valentine 22 Dayton 11 El Paso 5 Sheridan 25 Lewiston 9 Worcester 35 NEVADA Mansfi eld 17 Fort Worth 6 Pocatello 7 MICHIGAN Elko 20 Toledo Express 8 Lubbock 10 ILLINOIS Alpena 53 Ely 9 Youngstown 12 Midland 2 Chicago O’Hare 18 Detroit City 9 Reno 11 OKLAHOMA San Antonio 3 Chicago 22 Detroit Airport 17 Winnemucca 6 Oklahoma City 5 Wichita Falls 5 Moline 17 Detroit – Willow Run 21 NEW HAMPSHIRE Tulsa 8 UTAH Peoria 16 Flint 28 Concord 66 OREGON Milford 16 Rockford 25 Grand Rapids 37 NEW JERSEY Burns City 24 Salt Lake City 8 Springfi eld 23 Houghton Lake 56 Atlantic City 11 Eugene 17 Wendover 3 Lansing 42 Newark 15 Medford 8 VERMONT Marquette 53 Pendleton 11 Burlington 37 Muskegon 43 Portland 10 Sault Ste. Marie 80 Salem 7 NOTICE: /RFDOUHFRUGVDQGH[SHULHQFHPXVWEHFRQVLGHUHGZKHQHVWDEOLVKLQJWKHXQLWLQVWDOODWLRQKHLJKW7KHUHLVDSUREDELOLW\WKDW WKHJURXQGVQRZGHSWKVKRZQLQWKLVWDEOHZLOOEHH[FHHGHGDQQXDOO\'ULIWVKDYHQRWEHHQFRQVLGHUHG7KLVGDWDUHSUHVHQWV 1DWLRQDO:HDWKHU6HUYLFHORFDWLRQVDWZKLFKPHDVXUHPHQWVDUHPDGHDQGDVVXPHVDQDWLRQZLGHVQRZGHQVLW\RIOEIW3 11 4.0 INSTALLATION 4.4 Refrigerant Line Set Selection 4.4.1 Replacing Existing Systems 7RSUHYHQWIDLOXUHRIDQHZXQLWWKHH[LVWLQJOLQHVHW When replacing an PXVWEHFRUUHFWO\VL]HGIRUWKHQHZXQLWDQGPXVW IMPORTANT: EHFOHDQHGRUUHSODFHG&DUHPXVWEHWDNHQVR 5XQLWZLWKDQ5$XQLWHLWKHUUHSODFH the line set or ensure that residual mineral oil is WKHH[SDQVLRQGHYLFHLVQRWSOXJJHG)RUQHZDQG replacement units, a liquid line filter drier must be drained from existing lines including oil trapped in installed and the line set must be properly sized. ORZVSRWV Test the oil for acid. If it tests positive for acid, a suction line filter drier is mandatory.
4.4.2 Line Set Length and Fitting Losses Refrigerant tubing is measured in terms of actual LQJOHQJWKÀWWLQJVYHUWLFDOVHSDUDWLRQDFFHVVRULHV length and equivalent length. Actual length is used DQGÀOWHUGULHUV7KHWDEOHEHORZUHIHUHQFHVGLIIHU- for refrigerant charge applications. Equivalent ent commonly used equivalent lengths. OHQJWKWDNHVLQWRDFFRXQWSUHVVXUHORVVHVIURPWXE-
Table 1 ƋƵŝǀĂůĞŶƚ>ĞŶŐƚŚĨŽƌ&ŝƚƚŝŶŐƐ;ĨƚͿŵ ϵϬΣ^ŚŽƌƚ ϵϬΣ>ŽŶŐ >ŝŶĞ^ŝnjĞ ZĂĚŝƵƐ ZĂĚŝƵƐ ϰϱΣ ^ŽůĞŶŽŝĚ ŚĞĐŬ ^ŝƚĞ &ŝůƚĞƌ ;ŝŶͿŵŵ ůďŽǁ ůďŽǁ ůďŽǁ sĂůǀĞ sĂůǀĞ 'ůĂƐƐ ƌŝĞƌ ϯͬϴϵ͘ϱϯ ϭ͘ϯϬ͘ϰϬ Ϭ͘ϴϬ͘Ϯϰ Ϭ͘ϯϬ͘Ϭϵ ϲϭ͘ϴϯ ϰϭ͘ϮϮ Ϭ͘ϰϬ͘ϭϮ ϲϭ͘ϴϯ ϭͬϮϭϮ͘ϳϭ ϭ͘ϰϬ͘ϰϯ Ϭ͘ϵϬ͘Ϯϳ Ϭ͘ϰϬ͘ϭϮ ϵϮ͘ϳϰ ϱϭ͘ϱϮ Ϭ͘ϲϬ͘ϭϴ ϲϭ͘ϴϯ ϱͬϴϭϱ͘ϴϴ ϭ͘ϱϬ͘ϰϲ ϭϬ͘ϯϬ Ϭ͘ϱϬ͘ϭϱ ϭϮϯ͘ϲϲ ϲϭ͘ϴϯ Ϭ͘ϴϬ͘Ϯϰ ϲϭ͘ϴϯ ϯͬϰϭϵ͘Ϭϱ ϭ͘ϵϬ͘ϱϴ ϭ͘ϯϬ͘ϰϬ Ϭ͘ϲϬ͘ϭϴ ϭϰϰ͘Ϯϳ ϳϮ͘ϭϯ Ϭ͘ϵϬ͘Ϯϳ ϲϭ͘ϴϯ ϳͬϴϮϮ͘Ϯϯ Ϯ͘ϯϬ͘ϳϬ ϭ͘ϱϬ͘ϰϲ Ϭ͘ϳϬ͘Ϯϭ ϭϱϰ͘ϱϳ ϴϮ͘ϰϰ ϭϬ͘ϯϬ ϲϭ͘ϴϯ ϭͲϭͬϴϮϴ͘ϱϴ Ϯ͘ϳϬ͘ϴϮ ϭ͘ϴϬ͘ϱϱ Ϭ͘ϵϬ͘Ϯϳ ϮϮϲ͘ϳϭ ϭϮϯ͘ϲϲ ϭ͘ϱϬ͘ϰϲ ϲϭ͘ϴϯ
4.4.3 Liquid Line Selection 7KHSXUSRVHRIWKHOLTXLGOLQHLVWRWUDQVSRUWZDUP 7KHWRWDOSUHVVXUHGURSDOORZHGIRUWKHOLTXLGOLQHLV VXEFRROHGOLTXLGUHIULJHUDQWEHWZHHQWKHRXWGRRU 36,>N3D@7KHSURFHGXUHIRUVHOHFWLQJWKH XQLWWRWKHLQGRRUXQLW,WLVLPSRUWDQWQRWWRDOORZWKH SURSHUOLTXLGOLQHLVDVIROORZV UHIULJHUDQWWRÁDVKLQWRVXSHUKHDWHGYDSRUSULRUWR • Measure the total amount of vertical separation the expansion device of the indoor or outdoor coil. EHWZHHQWKHRXWGRRUXQLWDQGLQGRRUFRLO 7KHÁDVKLQJRIUHIULJHUDQWFDQRFFXUIRUWKHIROORZ- • Measure the linear length of liquid line needed. ing reasons: $GGDOORIWKHHTXLYDOHQWOHQJWKVDVVRFLDWHGZLWK
Tubing /RZUHIULJHUDQWFKDUJH DQ\ÀWWLQJVRUDFFHVVRULHVXVLQJ7DEOHDERYH • Improperly selected liquid line size $GGWKHOLQHDUOHQJWKWRWKHWRWDOÀWWLQJHTXLYDOHQW • Absorption of heat prior to expansion device OHQJWK7KLVZLOOHTXDO\RXUWRWDOHTXLYDOHQWOLQH ([FHVVLYHYHUWLFDOVHSDUDWLRQEHWZHHQWKHRXW- length. door unit and indoor coil • Reference Table 2 to verify the calculated 5HVWULFWHGOLTXLGOLQHRUÀOWHUGULHU HTXLYDOHQWOHQJWKLVDFFHSWDEOHZLWKWKHUHTXLUHG .LQNHGOLTXLGOLQH vertical separation and diameter of liquid line.
12 4.0 INSTALLATION 4.4 Refrigerant Line Set Selection (cont.) dĂďůĞϮ͗ZĞĨƌŝŐĞƌĂŶƚ>ŝŶĞ^ŝnjŝŶŐŚĂƌƚ; ŶŐůŝƐŚhŶŝƚƐͿ ϭϲ^ ZϮͲ^ƚĂŐĞ,ĞĂƚWƵŵƉƐ hƐĞ>ŽŶŐ>ŝŶĞ KƵƚĚŽŽƌhŶŝƚKs Žƌ >Kt/ŶĚŽŽƌhŶŝƚ 'ƵŝĚĞůŝŶĞƐĨŽƌ ůůŽǁĂďůĞ ůůŽǁĂďůĞ >ŝŶĞĂƌ>ŝŶĞ ƋƵŝǀĂůĞŶƚ>ĞŶŐƚŚ;&ĞĞƚͿ hŶŝƚ^ŝnjĞ >ŝƋƵŝĚ>ŝŶĞ sĂƉŽƌ>ŝŶĞ >ĞŶŐƚŚƐ ^ŝnjĞ ^ŝnjĞ фϮϱ ϮϲͲϱϬ ϱϭͲϳϱ ϳϲͲϭϬϬ ϭϬϭͲϭϮϱ ϭϮϲͲϭϱϬ 'ƌĞĂƚĞƌdŚĂŶ ^ŚŽǁŶĞůŽǁ DĂdžŝŵƵŵsĞƌƟĐĂů^ĞƉĂƌĂƟŽŶͬĂƉĂĐŝƚLJDƵůƟƉůŝĞƌ ϭͬϰΗ ϱͬϴΗ ϲϳ Ϯϱͬϭ͘ϬϬ ϱϬͬϬ͘ϵϵ ϯϯͬϬ͘ϵϴ ϲͬϬ͘ϵϳ EZ EZ ϱͬϭϲΗ ϱͬϴΗ ϱϬ Ϯϱͬϭ͘ϬϬ ϱϬͬϬ͘ϵϵ ϱϬͬϬ͘ϵϴ ϱϬͬϬ͘ϵϳ ϱϬͬϬ͘ϵϲ ϱϬͬϬ͘ϵϱ Ϯ͘ϬdŽŶ ϯͬϴΗ ϱͬϴΗ ϯϯ Ϯϱͬϭ͘ϬϬ ϱϬͬϬ͘ϵϵ ϱϬͬϬ͘ϵϴ ϱϬͬϬ͘ϵϳ ϱϬͬϬ͘ϵϲ ϱϬͬϬ͘ϵϱ Ύ^ ϭͬϰΗ ϯͬϰΗΎ ϲϳ Ϯϱͬϭ͘ϬϬ ϱϬͬϭ͘ϬϬ ϯϯͬϬ͘ϵϵ ϲͬϬ͘ϵϵ EZ EZ EKd ϯ ϱͬϭϲΗ ϯͬϰΗΎ ϱϬ Ϯϱͬϭ͘ϬϬ ϱϬͬϭ͘ϬϬ ϱϬͬϬ͘ϵϵ ϱϬͬϬ͘ϵϵ ϱϬͬϬ͘ϵϵ ϱϬͬϬ͘ϵϴ ϯͬϴΗ ϯͬϰΗΎ ϯϯ Ϯϱͬϭ͘ϬϬ ϱϬͬϭ͘ϬϬ ϱϬͬϬ͘ϵϵ ϱϬͬϬ͘ϵϵ ϱϬͬϬ͘ϵϵ ϱϬͬϬ͘ϵϴ ϱͬϭϲΗ ϱͬϴΗ Ϭ ϮϱͬϬ͘ϵϵ ϱϬͬϬ͘ϵϳ ϱϬͬϬ͘ϵϱ ϱϬͬϬ͘ϵϯ ϯϲͬϬ͘ϵϭ EZ ϯͬϴΗ ϱͬϴΗ Ϭ ϮϱͬϬ͘ϵϵ ϱϬͬϬ͘ϵϳ ϱϬͬϬ͘ϵϱ ϱϬͬϬ͘ϵϯ ϱϬͬϬ͘ϵϭ EZ ϯdŽŶ ϱͬϭϲΗ ϯͬϰΗ Ϭ Ϯϱͬϭ͘ϬϬ ϱϬͬϬ͘ϵϵ ϱϬͬϬ͘ϵϵ ϱϬͬϬ͘ϵϴ ϯϲͬϬ͘ϵϳ ϮϬͬϬ͘ϵϲ ϯͬϴΗ ϯͬϰΗ Ϭ Ϯϱͬϭ͘ϬϬ ϱϬͬϬ͘ϵϵ ϱϬͬϬ͘ϵϵ ϱϬͬϬ͘ϵϴ ϱϬͬϬ͘ϵϳ ϱϬͬϬ͘ϵϲ ϭͬϮΗ ϯͬϰΗ Ϭ Ϯϱͬϭ͘ϬϬ ϱϬͬϬ͘ϵϵ ϱϬͬϬ͘ϵϵ ϱϬͬϬ͘ϵϴ ϱϬͬϬ͘ϵϳ ϱϬͬϬ͘ϵϲ ϯͬϴΗ ϯͬϰΗ Ϭ ϮϱͬϬ͘ϵϵ ϱϬͬϬ͘ϵϴ ϱϬͬϬ͘ϵϲ ϱϬͬϬ͘ϵϱ ϱϬͬϬ͘ϵϯ ϱϬͬϬ͘ϵϮ ϭͬϮΗ ϯͬϰΗ Ϭ ϮϱͬϬ͘ϵϵ ϱϬͬϬ͘ϵϴ ϱϬͬϬ͘ϵϲ ϱϬͬϬ͘ϵϱ ϱϬͬϬ͘ϵϯ ϱϬͬϬ͘ϵϮ ϰdŽŶ ϯͬϴΗ ϳͬϴΗ Ϭ Ϯϱͬϭ͘ϬϬ ϱϬͬϬ͘ϵϵ ϱϬͬϬ͘ϵϵ ϱϬͬϬ͘ϵϴ ϱϬͬϬ͘ϵϴ ϱϬͬϬ͘ϵϳ ϭͬϮΗ ϳͬϴΗ Ϭ Ϯϱͬϭ͘ϬϬ ϱϬͬϬ͘ϵϵ ϱϬͬϬ͘ϵϵ ϱϬͬϬ͘ϵϴ ϱϬͬϬ͘ϵϴ ϱϬͬϬ͘ϵϳ ϯͬϴΗ ϯͬϰΗ Ϭ ϮϱͬϬ͘ϵϵ ϱϬͬϬ͘ϵϳ ϱϬͬϬ͘ϵϱ ϱϬͬϬ͘ϵϯ ϱϬͬϬ͘ϵϭ EZ ϭͬϮΗ ϯͬϰΗ Ϭ ϮϱͬϬ͘ϵϵ ϱϬͬϬ͘ϵϳ ϱϬͬϬ͘ϵϱ ϱϬͬϬ͘ϵϯ ϱϬͬϬ͘ϵϭ EZ ϱdŽŶ ϯͬϴΗ ϳͬϴΗ Ϭ Ϯϱͬϭ͘ϬϬ ϱϬͬϬ͘ϵϵ ϱϬͬϬ͘ϵϴ ϱϬͬϬ͘ϵϴ ϱϬͬϬ͘ϵϳ ϯϴͬϬ͘ϵϲ ϭͬϮΗ ϳͬϴΗ Ϭ Ϯϱͬϭ͘ϬϬ ϱϬͬϬ͘ϵϵ ϱϬͬϬ͘ϵϴ ϱϬͬϬ͘ϵϴ ϱϬͬϬ͘ϵϳ ϱϬͬϬ͘ϵϲ EŽƚĞƐ͗ ϭͿŽŶŽƚĞdžĐĞĞĚϭϱϬŌůŝŶĞĂƌůŝŶĞůĞŶŐƚŚ͘ ϮͿŽŶŽƚĞdžĐĞĞĚϱϬŌǀĞƌƟĐĂůƐĞƉĂƌĂƟŽŶďĞƚǁĞĞŶŝŶĚŽŽƌĂŶĚŽƵƚĚŽŽƌƵŶŝƚƐ͘ ϯͿΎϯͬϰΗǀĂƉŽƌůŝŶĞƐŚŽƵůĚŽŶůLJďĞƵƐĞĚĨŽƌϮƚŽŶƐLJƐƚĞŵƐŝĨŽƵƚĚŽŽƌƵŶŝƚŝƐďĞůŽǁŽƌĂƚƐĂŵĞůĞǀĞůĂƐŝŶĚŽŽƌ ƵŶŝƚƚŽĂƐƐƵƌĞƉƌŽƉĞƌŽŝůƌĞƚƵƌŶ͘ ϰͿůǁĂLJƐƵƐĞƚŚĞƐŵĂůůĞƐƚůŝƋƵŝĚůŝŶĞĂůůŽǁĂďůĞƚŽŵŝŶŝŵŝnjĞƌĞĨƌŝŐĞƌĂŶƚĐŚĂƌŐĞ͘ ϱͿƉƉůŝĐĂƟŽŶƐƐŚĂĚĞĚŝŶůŝŐŚƚŐƌĂLJŝŶĚŝĐĂƚĞĐĂƉĂĐŝƚLJŵƵůƟƉůŝĞƌƐďĞƚǁĞĞŶϬ͘ϵϬĂŶĚϬ͘ϵϲǁŚŝĐŚĂƌĞŶŽƚ ƌĞĐŽŵŵĞŶĚĞĚ͕ďƵƚĂƌĞĂůůŽǁĞĚ͘ ϲͿƉƉůŝĐĂƟŽŶƐƐŚĂĚĞĚŝŶĚĂƌŬŐƌĂLJĂƌĞŶŽƚƌĞĐŽŵŵĞŶĚĞĚĚƵĞƚŽĞdžĐĞƐƐŝǀĞůŝƋƵŝĚŽƌƐƵĐƟŽŶƉƌĞƐƐƵƌĞĚƌŽƉ͘ Tubing
13 4.0 INSTALLATION 4.4 Refrigerant Line Set Selection (cont.)
dĂďůĞϮ͗ZĞĨƌŝŐĞƌĂŶƚ>ŝŶĞ^ŝnjŝŶŐŚĂƌƚ;DĞƚƌŝĐhŶŝƚƐͿ ϭϲ^ ZsĂƌŝĂďůĞ^ƉĞĞĚ,ĞĂƚWƵŵƉƐ hƐĞ>ŽŶŐ>ŝŶĞ KƵƚĚŽŽƌhŶŝƚKs Žƌ >Kt/ŶĚŽŽƌhŶŝƚ ůůŽǁĂďůĞ ůůŽǁĂďůĞ 'ƵŝĚĞůŝŶĞƐĨŽƌ >ŝƋƵŝĚ>ŝŶĞ sĂƉŽƌ>ŝŶĞ >ŝŶĞĂƌ>ŝŶĞ ƋƵŝǀĂůĞŶƚ>ĞŶŐƚŚ;DĞƚĞƌƐͿ hŶŝƚ^ŝnjĞ ^ŝnjĞ ^ŝnjĞ >ĞŶŐƚŚƐ'ƌĞĂƚĞƌ фϴ ϴͲϭϱ ϭϲͲϮϯ ϮϰͲϯϬ ϯϭͲϯϴ ϯϵͲϰϲ ŵŵŝŶ͘ ŵŵŝŶ͘ dŚĂŶ^ŚŽǁŶ ĞůŽǁ;DĞƚĞƌƐͿ DĂdžŝŵƵŵsĞƌƟĐĂů^ĞƉĂƌĂƟŽŶͬĂƉĂĐŝƚLJDƵůƟƉůŝĞƌ ϲ͘ϯϱϭͬϰ ϭϱ͘ϴϴϱͬϴ ϮϬ ϴͬϭ͘ϬϬ ϭϱͬϬ͘ϵϵ ϭϬͬϬ͘ϵϴ ϮͬϬ͘ϵϳ EZ EZ ϳ͘Ϭ
Set Length Requirements Apply Tubing
Table 2 is used to determine if the application is 4.4.5.5 Liquid Line Refrigerant considered to have a long line set. A column is pro- Flashing YLGHGWKDWVKRZVWKHOLQHDUOLQHOHQJWKZKHUHORQJ line length requirements apply. Excessive pressure drop and heat gain in long OLTXLGOLQHVFDQUHVXOWLQWKHUHIULJHUDQWÁDVKLQJLQWR DYDSRUEHIRUHLWUHDFKHVWKHPHWHULQJGHYLFHZKLFK 4.4.5.2 Oil Return to Compressor ZLOOGUDPDWLFDOO\UHGXFHWKHFDSDFLW\DQGHIÀFLHQF\ of the system. For this reason, the liquid line must 6PDOODPRXQWVRIFRPSUHVVRUFUDQNFDVHRLOLV be sized properly using the table in Table 2 and SLFNHGXSDQGFDUULHGRXWRIWKHFRPSUHVVRUE\WKH must be insulated in unconditioned spaces.
15 4.0 INSTALLATION 4.4 Refrigerant Line Set Selection (cont.)
4.4.5.6 Oil Level Adjustment for 4.4.5.7 Capacity Losses Long Line Set Applications Long line lengths can result in a reduction in capacity $GGLWLRQDORLOZLOOQHHGWREHDGGHGIRUORQJOLQHVHW due to vapor line pressure drop and heat gain or loss. DSSOLFDWLRQV 5HI7DEOH %HORZLVWKHHTXDWLRQIRU Refer to Table 2 for capacity loss multipliers for vari- the oil level adjustment. The compressor name plate ous vapor line diameters and lengths. Only use vapor RLOFKDUJHIRUWKHGLIIHUHQWRXWGRRUXQLWVLVVKRZQLQ lines listed in Table 2 to assure proper oil return. This the table to the right. table does not account for any capacity loss due to heat gain or loss from the environment. It is extremely Oil to be Added = [(Charge Adjustment + OD important not to oversize the vapor line to minimize Unit Name Plate Charge (oz.)) × (0.022) – [(0.10) × capacity loss at the expense of proper oil return. If the (Compressor Name Plate Oil Charge (oz.))] WDEOHVKRZVDQ´15µIRUDSDUWLFXODUYDSRUOLQHGLDPH- WHUDQGOHQJWKFDSDFLW\ORVVZLOOEHH[FHVVLYH7KHIXOO Example: An application requires 125 ft. of line set length of the vapor line must be insulated to minimize ZLWKDOLTXLGOLQHGLDPHWHURIµ&KDUJH$GMXVWPHQW heat gain or loss. = 52.4 oz., Name Plate Charge = 107 oz., Name Plate 2LO&KDUJH R]2LOWREH$GGHG R] oz.) × .022) – (.10 × 25 oz.) = 1.0 oz.
Factory OD Name Plate Oil Compressor Installed Model Charge oz [ml] CCH 24 ZPS21-K5E-PFV 25 [739] N
36 ZPS30K5E-PFV 25 [739] Y
48 ZPS40K5E-PFV 42 [1242] Y
60 ZPS49K5E-PFV 42 [1242] Y Tubing
16 4.0 INSTALLATION 4.5 Line Set Installation
• If tubing is to be run underground, it must be run in LQWKHKHDWLQJPRGHZLOOUHVXOWLQQRLVHLQVLGHWKH DVHDOHGZDWHUWLJKWFKDVH structure. 8VHFDUHLQURXWLQJWXELQJDQGGRQRWNLQNRUWZLVW %ORZRXWWKHOLTXLGDQGYDSRUOLQHVZLWKGU\QLWURJHQ Use a good quality tubing bender on the vapor line before connecting to the outdoor unit and indoor WRSUHYHQWNLQNLQJ coil to remove debris that can plug the expansion device.
TEMPORARY HANGER PERMANENT HANGER
• Route the tubing using temporary hangers; then straighten the tubing and install permanent hangers. The tubing must be adequately supported. • Isolate the vapor line from the building structure. If WKHYDSRUOLQHFRPHVLQFRQWDFWZLWKLQVLGHZDOOV ceiling, or flooring, the vibration of the vapor line ST-A1226-05-00
4.5.1 Important Tubing Installation Practices 2EVHUYHWKHIROORZLQJZKHQLQVWDOOLQJFRUUHFWO\ VL]HGW\SH´/µUHIULJHUDQWWXELQJEHWZHHQWKH outdoor unit and indoor coil: &KHFNWKHWDEOHVRQ7DEOHIRUWKHFRUUHFWYDSRU line size and liquid line size. ,IWXELQJKDVEHHQFXWGHEXUWKHHQGVZKLOH • If a portion of the liquid line passes through a holding the tubing in a position to prevent chips very hot area where liquid refrigerant can be from falling into tubing. Burrs such as those heated to form vapor, insulating the liquid line caused by tubing cutters can affect performance is required. dramatically, particularly on small diameter liquid lines. • Use clean, dehydrated, sealed refrigeration-grade tubing. )RUEHVWRSHUDWLRQNHHSWXELQJUXQDVVKRUWDV SRVVLEOHZLWKDPLQLPXPQXPEHURIHOERZVRU $OZD\VNHHSWXELQJVHDOHGXQWLOWXELQJLVLQSODFH bends. and connections are to be made. /RFDWLRQVZKHUHWKHWXELQJZLOOEHH[SRVHGWR $KLJKTXDOLW\ELIORZILOWHUGULHULVLQFOXGHGZLWKDOO mechanical damage should be avoided. If it is R-410A heat pump units and must be installed in necessary to use such locations, the copper the liquid line upon unit installation. tubing should be protected by a housing to :KHQUHSODFLQJDQ5V\VWHPZLWKDQ5$ prevent damage. Tubing V\VWHPDQGWKHOLQHVHWLVQRWUHSODFHGEORZRXW WKHOLQHVZLWKGU\QLWURJHQWRUHPRYHDVPXFK RIWKHUHPDLQLQJPLQHUDORLODVSRVVLEOH&KHFN IRUORZVSRWVZKHUHRLOPD\EHWUDSSHGDQGWDNH measures to drain the oil from those areas.
17 4.0 INSTALLATION 4.5 Line Set Installation (cont.) 4.5.2 Relative Location of Indoor and Outdoor Units 4.5.2.1 Indoor and Outdoor Unit Near Same Level
REFERENCE TABLE 2 FOR 0$;,080/(1*7+/,0,7$7,216
IDEALLY, LINE SET SLOPES AWAY )520287'2259(5,)< SUB-COOLING PRIOR TO (;3$16,21'(9,&(,168/$7(' /,48,'/,1(,1$181&21',7,21('63$&( FOR LONG LINE APPLICATIONS. INSULATE 9$325/,1()8///(1*7+)25$// APPLICATIONS.
ST-A1219-01-01
For applications that are considered to have a long • Insulated liquid line in unconditioned space only. OLQHVHWZLWKWKHRXWGRRUXQLWDQGLQGRRUXQLWQHDU Insulate vapor line full length. WKHVDPHOHYHOWKHIROORZLQJLVUHTXLUHG 9DSRUOLQHVKRXOGVORSHWRZDUGWKHLQGRRUXQLW )ROORZWKHSURSHUOLQHVL]LQJPD[LPXPOLQHDU 7;9RQWKHLQGRRUFRLO and equivalent lengths, charging requirements, • Start components may be required depending and oil level adjustments spelled out in this man- upon quality of voltage (consistently <200vac at ual. outdoor unit) 9HULI\DWOHDVW)>&@OLTXLGVXEFRROLQJDW • &UDQNFDVHKHDWHU 6RPHPRGHOVKDYHIDFWRU\ the indoor unit prior to expansion device in the installed CCH's. Refer to tables in Section 4.5.5.6.) cooling mode.
Tubing
18 4.0 INSTALLATION 4.5 Line Set Installation (cont.)
4.5.2.2 Outdoor Unit Below Indoor Unit
ROUTE REFRIGERANT LINES (9(1:,7+7232) COIL OR INSTALL ,19(57('75$3
INSULATE /,48,'/,1(,1 UNCONDITIONED SPACE FOR ,168/$7(9$325 LONG LINE LINE FULL LENGTH APPLICATIONS FOR ALL APPLICATIONS REFERENCE TABLE 2 FOR 0$;,080/(1*7+ LIMITATIONS $1'9(57,&$/6(3$5$7,21
67$
Figure 4
For applications that are considered to have a long • Insulated liquid line in unconditioned space only. OLQHVHWZLWKWKHRXWGRRUXQLWEHORZWKHLQGRRUXQLW Insulate vapor line full length. WKHIROORZLQJLVUHTXLUHG )ROORZWKHSURSHUOLQHVL]LQJPD[LPXPOLQHDU and equivalent lengths, charging requirements, 7;9RUDWWKHLQGRRUFRLO and oil level adjustments spelled out in this man- &UDQNFDVHKHDWHU 6RPHPRGHOVKDYHIDFWRU\LQ- ual.
stalled CCH's. Refer to tables in Section 4.5.5.6.) 9HULI\DWOHDVW)>&@OLTXLGVXEFRROLQJDW Tubing • Start components may be required depending the indoor unit prior to expansion device in the upon quality of voltage (consistently <200vac at cooling mode. outdoor unit) 9HUWLFDOVHSDUDWLRQVJUHDWHUWKDW·>P@FDQ 5HIULJHUDQWOLQHVVKRXOGEHURXWHGHYHQZLWKWKH H[SHFWDORZHUVXEFRROLQJOHYHO top of the indoor coil or an inverted trap is to be applied (refer to Figure 4).
19 4.0 INSTALLATION 4.5 Line Set Installation (cont.)
4.5.2.3 Outdoor Unit Above Indoor Unit
,168/$7(9$325 LINE FULL LENGTH ,168/$7(/,48,' FOR ALL APPLICATIONS LINE IN UNCONDITIONED SPACE FOR LONG LINE APPLICATIONS REFERENCE TABLE 2 FOR 0$;,080/(1*7+ $1'9(57,&$/6(3$5$7,21 LIMITATIONS
9(5,)< SUB-COOLING PRIOR TO METERING '(9,&(
7;9$7,1'225 COIL
For applications that are considered to have a long • Insulated liquid line in unconditioned space only. OLQHVHWZLWKWKHRXWGRRUXQLWDERYHWKHLQGRRUXQLW Insulate vapor line full length. WKHIROORZLQJLVUHTXLUHG )ROORZWKHSURSHUOLQHVL]LQJPD[LPXPOLQHDUDQG equivalent lengths, charging requirements, and Tubing 7;9RQWKHLQGRRUFRLO oil level adjustments spelled out in this manual. &UDQNFDVHKHDWHU 6RPHPRGHOVKDYHIDFWRU\LQ- 9HULI\DWOHDVW)>&@OLTXLGVXEFRROLQJDW stalled CCH's. Refer to tables in Section 4.5.5.6.) the outdoor unit service valve in the heating • Start components maybe required depending mode. upon quality of voltage (consistently <200 vac at outdoor unit)
20 4.0 INSTALLATION 4.5 Line Set Installation (cont.) 4.5.3 Tubing Connections Indoor coils have only a holding charge of GU\QLWURJHQ.HHSDOOWXEHHQGVVHDOHGXQWLO connections are to be made. • Use type “L” copper refrigeration tubing. Braze WKHFRQQHFWLRQVZLWKWKHIROORZLQJDOOR\V – copper to copper, 5% silver minimum – copper to steel or brass, 15% silver minimum • :UDSYDOYHVZLWKDZHWUDJRUWKHUPDOEDUULHU compound before applying heat.
• Be certain both refrigerant shutoff valves at the outdoor unit are closed. • %UD]HWKHWXELQJEHWZHHQWKHRXWGRRUXQLWDQG LQGRRUFRLO)ORZGU\QLWURJHQLQWRDSUHVVXUHSRUW DQGWKURXJKWKHWXELQJZKLOHEUD]LQJEXWGRQRW DOORZSUHVVXUHLQVLGHWXELQJZKLFKFDQUHVXOWLQ OHDNV2QFHWKHV\VWHPLVIXOORIQLWURJHQWKH nitrogen regulator should be turned off to avoid pressuring the system.
• Remove the caps and Schrader cores from the pressure ports to protect seals from heat damage. Both the Schrader valves and the service valves have seals that may be damaged by excessive heat.
• AIWHUEUD]LQJXVHDQDSSURSULDWHKHDWVLQNPDWHULDO to cool the joint. • Reinstall the Schrader cores into both pressure ports. Tubing
• Clean the inside of the fittings and outside of the WXELQJZLWKDFOHDQGU\FORWKEHIRUHVROGHULQJ&OHDQ out debris, chips, dirt, etc., that enters tubing or service valve connections.
'RQRWDOORZWKHEDUHYDSRUOLQHDQGOLTXLGOLQH WREHLQFRQWDFWZLWKHDFKRWKHU7KLVFDXVHVDQ undesirable heat transfer resulting in capacity ORVVDQGLQFUHDVHGSRZHUFRQVXPSWLRQ 21 4.0 INSTALLATION 4.6 Initial Leak Testing 4.7 Evacuation Indoor coils have only a holding charge of dry Evacuation is one of the most important parts of the QLWURJHQ.HHSDOOWXEHHQGVVHDOHGXQWLOFRQQHFWLRQV entire installation and service procedure. The life are to be made. and efficiency of the equipment is dependent upon WKHWKRURXJKQHVVH[HUFLVHGE\WKHVHUYLFHPDQZKHQ WARNING: Do not use oxygen evacuating air and moisture from the system. WRSXUJHOLQHVRUSUHVVXUL]HV\VWHPIRUOHDNWHVW Air or nitrogen in the system increases condensing 2[\JHQUHDFWVYLROHQWO\ZLWKRLOZKLFKFDQFDXVH temperature and pressure, resulting in increased an explosion resulting in severe personal injury or SRZHUFRQVXPSWLRQHUUDWLFRSHUDWLRQDQGUHGXFHG death. capacity. 0RLVWXUHFKHPLFDOO\UHDFWVZLWKWKHUHIULJHUDQWDQGRLO WRIRUPFRUURVLYHDFLGZKLFKDWWDFNVWKHFRPSUHVVRU PRWRUZLQGLQJVDQGLQWHUQDOSDUWVDQGZKLFKFDQ result in compressor failure.
ST-A1226-07-00
• Pressurize line set and coil through service fittings ZLWKGU\QLWURJHQWRDPD[LPXPRI36,*> N3D@&ORVHQLWURJHQWDQNYDOYHOHWV\VWHPVLWIRUDW OHDVWPLQXWHVDQGFKHFNWRVHHLIWKHSUHVVXUH $IWHUWKHV\VWHPKDVEHHQOHDNFKHFNHGDQG KDVGURSSHG,IWKHSUHVVXUHKDVGURSSHGFKHFNIRU proven sealed, connect the vacuum pump and OHDNVDWWKHOLQHVHWEUD]HMRLQWVZLWKVRDSEXEEOHV evacuate system to 500 microns and hold 500 DQGUHSDLUOHDNDVQHFHVVDU\5HSHDWSUHVVXUHWHVW microns or less for at least 15 minutes. The vacuum ,IOLQHVHWDQGFRLOKROGSUHVVXUHSURFHHGZLWKOLQH pump must be connected to both the high and set and coil evacuation (see Sections 4.7 and 4.8 for ORZVLGHVRIWKHV\VWHPE\FRQQHFWLQJWRWKHWZR HYDFXDWLRQDQGILQDOOHDNWHVWLQJ pressure ports. Use the largest size connections available since restrictive service connections may lead to false readings because of pressure drop through the fittings.
4.8 Final Leak Testing After the unit has been properly evacuated and VHUYLFHYDOYHVRSHQHGDKDORJHQOHDNGHWHFWRU
ST-A1226-06-00 VKRXOGEHXVHGWRGHWHFWOHDNVLQWKHV\VWHP$OO MRLQWVDQGSLSLQJZLWKLQWKHRXWGRRUXQLWLQGRRUFRLO • The vapor line must be insulated for its entire DQGLQWHUFRQQHFWLQJWXELQJVKRXOGEHFKHFNHGIRU OHQJWKWRSUHYHQWGULSSLQJ VZHDWLQJ DQGSUHYHQW OHDNV,IDOHDNLVGHWHFWHGWKHUHIULJHUDQWVKRXOG performance losses. Closed-cell foam insulation EHUHFRYHUHGEHIRUHUHSDLULQJWKHOHDN7KH&OHDQ ®
Tubing such as Armaflex and Rubatex are satisfactory Air Act prohibits releasing refrigerant into the insulations for this purpose. Use 1/2" [12.7 mm] atmosphere. PLQLPXPLQVXODWLRQWKLFNQHVV$GGLWLRQDOLQVXODWLRQ may be required for long runs. The liquid line must EHLQVXODWHGLQDQ\XQFRQGLWLRQHGVSDFHZKHQORQJ line sets are used and anytime the liquid line is run through an attic due to hot temperatures that occur there.
22 4.0 INSTALLATION 4.9 Control Wiring
EHORZWRVL]HWKHYROWFRQWUROZLULQJ 7XUQRIIHOHFWULFSRZHU WARNING: Do not use phone cord to connect indoor and DWWKHIXVHER[RUVHUYLFHSDQHOEHIRUHPDNLQJDQ\ electrical connections. Also, the ground connection outdoor units and thermostat. This could damage the controls and may not be adequately sized for PXVWEHFRPSOHWHGEHIRUHPDNLQJOLQHYROWDJH connections. Failure to do so can result in electrical WKHFRQWURO·VHOHFWULFDOORDG VKRFNVHYHUHSHUVRQDOLQMXU\RUGHDWK FIELD WIRE SIZE FOR 24-VOLT 5XQQLQJORZYROWDJHZLUHVLQFRQGXLWZLWKOLQH THERMOSTAT CIRCUITS: YROWDJHSRZHUZLUHVLVQRWUHFRPPHQGHG/RZ YROWDJHZLULQJVKRXOGEHDWWDFKHGWRWKHSLJWDLOV Runs up to 100 ft [30.5 m]: 18 AWG EHORZWKHFRQWUROER[ Runs over 100 ft [30.5 m]: 16 AWG $WKHUPRVWDWDQGDYROW9$PLQLPXP 127,&( 'RQRWXVHFRQWUROZLULQJVPDOOHUWKDQ transformer are required for the control circuit 1R$:*EHWZHHQWKHUPRVWDWDQGRXWGRRUXQLW of the system. The furnace or the air handler transformer may be used if sufficient. See the ZLULQJGLDJUDPIRUUHIHUHQFH8VH´:LUH6L]HµJXLGH
4.10 Typical Control Wiring Connections
7KHIROORZLQJILJXUHVVKRZWKHW\SLFDOZLULQJ WIRE COLOR CODE diagrams for air handlers and a 2-stage heat pump DQGIRUGXDOIXHODSSOLFDWLRQVZLWKDJDVIXUQDFH BK – BLACK GY – GRAY W – WHITE BR – BROWN O – ORANGE Y – YELLOW and a 2-stage heat pump. BL – BLUE PR – PURPLE G – GREEN R – RED Wiring
2-STAGE HEAT PUMP WITH ELECTRIC HEAT USING A TYPICAL 2-STAGE HEAT PUMP WITH ELECTRIC HEAT USING A TYPICAL 2-STAGE THERMOSTAT 2-STAGE THERMOSTAT AND A HUMIDISTAT FOR DEHUMIDIFICA- TION Typical Two-Stage Thermostat Typical Two-Stage Thermostat
B Y1 Y2 G E/W1 W2 C R B Y1 Y2 G E/W1 W2 C R Humidistat
Air Air Handler Handler 2-Stage 2-Stage Heat Pump W1 W1 Heat Pump Outdoor Outdoor * Unit * Unit W2 W2 Y1 Y Y1 Y1 Y Y1
Y/BL Y/BL Y2 Y2 Y2 Y2 B BL B B BL B
R R R R R R
BR BR C C C C G W/R L G W/R L ODD PR D ODD PR D
WIRING INFORMATION WIRING INFORMATION Line Voltage Line Voltage -Field Installed - -Field Installed Factory Standard -Factory Standard
*If maximum outlet temperature rise is desired, it is recommended that W1 and W2 be wired together.
23 4.0 INSTALLATION 4.10 Typical Control Wiring Connections (Cont.)
2-STAGE HEAT PUMP WITH ELECTRIC HEAT USING A TYPICAL 2-STAGE HEAT PUMP WITH ELECTRIC HEAT USING A TYPICAL 2-STAGE THERMOSTAT WITH DEHUMIDIFICATION 2-STAGE THERMOSTAT WITH DEHUMIDIFICATION AND A MAL- FUNCTION LIGHT
Typical Two-Stage Thermostat Typical Two-Stage Thermostat B Y1 Y2 G E/W1 W2 C R DHM B Y1 Y2 GE/W1 W2 C R DHM L
Air Air Handler Handler 2-Stage Heat Pump 2-Stage W1 Outdoor Heat Pump W1 Outdoor * Unit * Unit W2 W2 Y Y1 Y1 Y1 Y Y1 Y2 Y/BL Y2 Y2 Y/BL Y2 B BL B B BL B R R R R R R BR C BR C C C W/R G W/R L G L PR PR ODD D ODD D WIRING INFORMATION WIRING INFORMATION Line Voltage Line Voltage -Field Installed -Field Installed -Factory Standard -Factory Standard
*If maximum outlet temperature rise is desired, it is recommended that W1 and W2 be wired together.
TYPICAL DUAL FUEL APPLICATION - 2-STAGE HEAT PUMP USING A TYPICAL 2-STAGE THERMOSTAT
Typical 2-Stage Two-Stage Furnace Heat Pump Thermostat Control Outdoor Unit
R R R RED C C C BROWN YELLOW Y Y1 Y1 YELLOW/BLUE Y2 Y2 Y2
Wiring W1 W1 PS D PURPLE (5) (3) W/E G G W2 W2 B B BLUE + S NOTES: – (1) FOR PROGRAMMING THERMOSTAT IN DUEL FUEL APPLICATION SEE (1) THERMOSTAT INSTALLATION INFORMATION.
(2) FOR REMOTE SENSOR INSTALLATION SEE THERMOSTAT INSTALLATION INFORMATION. (3) OPTIONAL PLENUM SENSOR.
12 FT. (4) FOR TWO STAGES CONNECT W2 ON THERMOSTAT TO W2 ON THE CONTROL BOARD. (5) EMERGENCY HEAT (E) CONNECTION MAY NOT BE ALLOWED BY LOCAL CODES.
(6) 2-STAGE HP ONLY. OUTDOOR SENSOR (2)
NOTICE:)LHOGZLULQJPXVWFRPSO\ZLWKWKH National Electric Code (C.E.C. in Canada) and any applicable local code.
24 4.0 INSTALLATION 4.11 Power Wiring
,WLVLPSRUWDQWWKDWSURSHUHOHFWULFDOSRZHUIURPD commercial utility is available at the outdoor unit 4.12 Grounding FRQWDFWRU9ROWDJHUDQJHVIRURSHUDWLRQDUHVKRZQ EHORZ WARNING: The unit must be permanently grounded. Failure to do so can cause VOLTAGE RANGES HOHFWULFDOVKRFNUHVXOWLQJLQVHYHUHSHUVRQDOLQMXU\ Operating Voltage Range at Maximum or death. Nameplate Voltage Load Design Conditions for Compressors Copeland 208/230 (1 Phase) 187 - 253 ,QVWDOODEUDQFKFLUFXLWGLVFRQQHFWZLWKLQVLJKWRIWKH unit and of adequate size to handle the minimum circuit capacity (see Section 3.3).
3RZHUZLULQJPXVWEHUXQLQDUDLQWLJKWFRQGXLW Conduit must be attached to the hole in the bottom RIWKHFRQWUROER[DVVKRZQEHORZ
Contactor ST-A1226-09 Ground Lug
A grounding lug is provided near the line-voltage SRZHUHQWUDQFHIRUDJURXQGZLUHDVVKRZQLQWKH above illustration. Wiring
ST-A1226-09 &RQQHFWSRZHUZLULQJWROLQHYROWDJHOXJVRQWKH contactor located in the outdoor unit electrical box. 6HHZLULQJGLDJUDPDWWDFKHGWRXQLWDFFHVVSDQHO and above illustration.) &KHFNDOOHOHFWULFDOFRQQHFWLRQVLQFOXGLQJ IDFWRU\ZLULQJZLWKLQWKHXQLWDQGPDNHVXUHDOO connections are tight. '2127FRQQHFWDOXPLQXPILHOGZLUHWRWKH contactor terminals.
25 5.0 SYSTEM START-UP & REFRIGERANT CHARGING 5.1 System Start-Up GUDPDWLFDOO\WKURXJKEDGSODQQLQJRUZRUNPDQVKLS Air supply diffusers must be selected and located Overview carefully. They must be sized and positioned to Once the system hardware and wiring has been deliver treated air along the perimeter of the space. properly installed, the next step is to start the ,IWKH\DUHWRRVPDOOIRUWKHLULQWHQGHGDLUIORZWKH\ system up, verify indoor air-flow, and adjust the become noisy. If they are not located properly, refrigerant charge. To assure optimum comfort, drafts can result. Return air grilles must be properly efficiency, and reliability, it is extremely important VL]HGWRFDUU\DLUEDFNWRWKHEORZHU,IWKH\DUHWRR small, they also cause noise. to follow the procedures in this section to assure the indoor air-flow and refrigerant charge are The installers should balance the air distribution correct. V\VWHPWRHQVXUHSURSHUDQGTXLHWDLUIORZWRDOO rooms in the home. This ensures a comfortable WARNING: Single-pole contactors living space. are used on all standard single-phase units The correct air quantity is critical to air conditioning WKURXJKWRQV&DXWLRQPXVWEHH[HUFLVHGZKHQ systems. Proper operation, efficiency, compressor VHUYLFLQJDVRQO\RQHOHJRIWKHSRZHUVXSSO\LV life, and humidity control depend on the correct EURNHQE\WKHFRQWDFWRU EDODQFHEHWZHHQLQGRRUORDGDQGRXWGRRUXQLW FDSDFLW\([FHVVLYHLQGRRUDLUIORZLQFUHDVHVWKH 5.2 Initial System SRVVLELOLW\RIKLJKKXPLGLW\SUREOHPV/RZLQGRRU Power-Up DLUIORZUHGXFHVWRWDOFDSDFLW\DQGFDQFDXVHFRLO icing. Serious harm can be done to the compressor After all installation steps have been completed, E\ORZDLUIORZVXFKDVWKDWFDXVHGE\UHIULJHUDQW apply electrical power to the indoor and outdoor flooding. unit only until the indoor air-flow is verified (See +HDWSXPSV\VWHPVUHTXLUHDVSHFLILHGDLUIORZ Section 5.3). (DFKWRQRIFRROLQJUHTXLUHVEHWZHHQ After the indoor air-flow has been verified and the CFM [151 l/s] and 450 CFM [212 l/s]. See the preliminary refrigerant charge has been weighed PDQXIDFWXUHU·VVSHFVKHHWRUWKH$+5,'LUHFWRU\ in (see section 5.4.2), electrical power may be DKULGLUHFWRU\RUJ IRUUDWHGDLUIORZIRUWKHV\VWHP applied to the outdoor unit. If the unit is equipped being installed. with a crankcase heater, it is recommended to wait 7KHLQGRRUDLUÁRZPXVWEHYHULÀHGWREHFRUUHFW at least 12 hours after electrical power is applied before the refrigerant charging process can begin. to the outdoor unit before starting the compressor 'HWHUPLQHWKHUDWHGLQGRRUDLUÁRZE\UHIHUULQJWR to assure any liquid refrigerant inside the WKH$+5,'LUHFWRU\RUPDQXIDFWXUHU·VRXWGRRUXQLW compressor has been driven out by the crankcase VSHFLÀFDWLRQVIRUWKHSDUWLFXODULQGRRUDQGRXWGRRU heater. unit combination being installed. Then refer to the air-handler or gas furnace installation manual to de- Start-Up WHUPLQHKRZWRVHOHFWWKHSURSHUDLUÁRZDQGPDNH the necessary adjustments to achieve as close to WKHUDWHGLQGRRUDLUÁRZDVSRVVLEOH
7ZRVWDJHVRILQGRRUDLUÁRZDUHUHTXLUHGIRU 3 heat pumps. The air-handler or gas furnace must GHOLYHUHLWKHUVWRUQGVWDJHRILQGRRUDLUÁRZ GHSHQGLQJRQZKLFKVWDJHWKHWKHUPRVWDWLVFDOOLQJ IRU$LUÁRZYHULÀFDWLRQDQGUHIULJHUDQWFKDUJLQJ PXVWEHGRQHZKHQWKHV\VWHPLVLQWKHQGVWDJH mode. Set the thermostat several degrees above
Airflow 5.3 Verifying Indoor KHDWLQJPRGH RUEHORZ FRROLQJPRGH WKHVHW point to assure the system is operating in the 2nd Air-Flow VWDJHPRGH,QGRRUDLUÁRZPD\EHYHULÀHGXVLQJ WKHEOLQNLQJ/('OLJKWRQWKHDLUKDQGOHUVDQGJDV The air distribution system has the greatest effect IXUQDFHVZLWKYDULDEOHVSHHG(&0PRWRUV(DFK RQDLUIORZ7KHGXFWV\VWHPLVWRWDOO\FRQWUROOHG EOLQNUHSUHVHQWVDSSUR[LPDWHO\&)0([DPSOH by the contractor. For this reason, the contractor EOLQNVIROORZHGE\DSDXVHLQGLFDWHV&)0LV should use only industry-recognized procedures. being delivered. Refer to the installation instructions for the air-handler or furnace for further details on Duct design and construction should be carefully GHWHUPLQLQJLQGRRUDLUÁRZXVLQJWKHEOLQNLQJ/(' GRQH6\VWHPSHUIRUPDQFHFDQEHORZHUHG on the indoor unit control board. 26 5.0 SYSTEM START-UP & REFRIGERANT CHARGING 5.4 Refrigerant Charging 5.4.1 Measurement Device The refrigerant charge for all systems should be Set-Up FKHFNHGDJDLQVWWKH&KDUJLQJ&KDUWORFDWHGLQVLGH 1. With an R-410A gauge set, attach the high- the access panel cover. pressure hose to the access fitting on the liquid line (small) service valve at the OD unit. WARNING: The top of the scroll 2. $WWDFKWKHORZSUHVVXUHKRVHWRWKHH[WHULRUWUXH compressor shell is hot. Touching the compressor VXFWLRQSRUWORFDWHGEHWZHHQWKHWZRVHUYLFH top may result in serious personal injury. valves that is connected to the suction tube EHWZHHQWKHUHYHUVLQJYDOYHDQGFRPSUHVVRU. CAUTION: R-410A pressures are $WWDFKDWHPSHUDWXUHSUREHZLWKLQ>FP@ approximately 60% higher (1.6 times) than R-22 of the outside of the unit on the copper liquid line SUHVVXUHV8VHDSSURSULDWHFDUHZKHQXVLQJWKLV (small line). For more accurate measurements, refrigerant. Failure to exercise care may result in clean the copper line prior to measurement and equipment damage or personal injury. use a calibrated clamp-on temperature probe or &KDUJHIRUDOOV\VWHPVVKRXOGEHFKHFNHGXVLQJ an insulated surface thermocouple. the Charging Chart inside the access panel cover. 5.4.2 Preliminary Charging by IMPORTANT: Do not operate the Weight FRPSUHVVRUZLWKRXWFKDUJHLQWKHV\VWHP $GGLWLRQRI5$ZLOOUDLVHKLJKVLGHSUHVVXUHV NOTICE: Adjust the system charge by (liquid and discharge). ZHLJKWIRUWKHOLQHDUOHQJWKRIWKHUHIULJHUDQWOLQHVHW )RUDQHZLQVWDOODWLRQHYDFXDWLRQRILQWHU NOTICE: System maintenance is to be connecting tubing and indoor coil is adequate; Charging performed by a qualified and certified technician. RWKHUZLVHHYDFXDWHWKHHQWLUHV\VWHP8VHWKH The optimum refrigerant charge for any outdoor IDFWRU\FKDUJHVKRZQLQ´(OHFWULFDODQG3K\VLFDO XQLWPDWFKHGZLWKDQLQGRRUFRLODLUKDQGOHULV Data” in Section 3.3 of these instructions or on the affected by the application. Therefore, charging unit data plate. Note that the charge value includes data has been developed to assist the field charge required for 15 ft. [4.6 m] of standard-size technician in optimizing the charge for all mounting liquid line without a filter drier. FRQILJXUDWLRQV 8)²8SIORZ')²'RZQIORZ Calculate actual charge required with the actual LH – Left-Hand Discharge, and RH – Right-Hand installed liquid line size and length using: Discharge). Refer to the charging chart inside the 1/4" [6.4 mm] O.D. = .3 oz./ft. [28.3 g/m] access panel cover on the unit and choose the 5/16" [7.9 mm] O.D. = .4 oz./ft. [37.7 g/m] appropriate column for the specific application 3/8" [9.5 mm] O.D. = .6 oz./ft. [56.7 g/m] EHLQJLQVWDOOHGRUVHUYLFHG1HZLQVWDOODWLRQV utilizing either an RCF indoor coil installed on a 1/2" [12.7 mm] O.D. = 1.2 oz./ft. [113.3 g/m] gas furnace or an (-)H series air handler in the Add 6 oz. for field-installed filter drier. GRZQIORZRUKRUL]RQWDOULJKWKDQGGLVFKDUJHPD\ Charge Adjustment = (Line Set (oz./ft.) × Total require removal of refrigerant since the factory Linear Length) – Factory Charge for Line Set + charge could result in an overcharge condition. 6 oz. (for field installed filter drier) Example: A three-ton heat pump unit requires 75 IMPORTANT: Refrigerant charging IWRIOLQHVHWZLWKDOLTXLGOLQHGLDPHWHURIµ PXVWEHSHUIRUPHGZKHQWKHV\VWHPLVRSHUDWLQJLQ Factory Charge for Line Set = 15 ft. × .6 oz. = 9 oz. the 2nd stage mode. 7KHIROORZLQJPHWKRGLVXVHGIRUFKDUJLQJV\VWHPV in the cooling and heating mode. All steps listed should be performed to ensure proper charge has been set. For measuring pressures, the service valve port on the liquid valve (small valve) and the WUXHVHUYLFHSRUWORFDWHGEHWZHHQWKHWZRVHUYLFH valves are to be used.
27 5.0 SYSTEM START-UP & REFRIGERANT CHARGING Charge Adjustment = (1.2 oz. ×IW ² R] conditions ONLY: R] R] Cooling Mode ONLY: 55°F [12.8°C] outdoor dry :LWKDQDFFXUDWHVFDOH ²R]>J@ RU bulb and above volumetric charging device, adjust the refrigerant +HDWLQJ0RGH21/< %HWZHHQ)>&@DQG charge based on the actual line set length. If the 60°F [15.6°C] outdoor dry bulb entire system has been evacuated, add the total 3. Locate and note the design pressures. The calculated charge. correct liquid and vapor pressures are found at IMPORTANT:&KDUJLQJE\ZHLJKWLV the intersection of the installed system and the QRWDOZD\VDFFXUDWHVLQFHWKHDSSOLFDWLRQFDQ outdoor ambient temperature on the Charging affect the optimum refrigerant charge. Charging by Chart located inside the access panel cover. ZHLJKWLVFRQVLGHUHGDVWDUWLQJSRLQW21/<$OZD\V /LTXLG3UHVVXUH BBBBBBSVLJ 9DSRU3UHVVXUH FKHFNWKHFKDUJHE\XVLQJWKH&KDUJLQJ&KDUW = ______psig DQGDGMXVWDVQHFHVVDU\&+$5*,1*%</,48,' SUBCOOLING PER THE SYSTEM CHARGING NOTICE: The refrigerant pressures CHART MUST BE USED FOR FINAL CHARGE SURYLGHGDUHIRUSUHOLPLQDU\FKDUJHFKHFN21/< ADJUSTMENT. These pressure values are typical, but may vary due to application. Evaporator load (indoor coil in FRROLQJPRGHRXWGRRUFRLOLQKHDWLQJPRGH ZLOOFDXVH pressures to deviate. The values listed are for the correct matched indoor coil ONLY! ,IWKHPHDVXUHGOLTXLGSUHVVXUHLVEHORZWKH listed requirement for the given outdoor and indoor conditions, add charge. If the measured liquid pressure is above the listed requirement IMPORTANT: R-410A is a blended for the given outdoor and indoor conditions, refrigerant of R-32 and R-125 (50/50). These remove charge. WZRUHIULJHUDQWVKDYHGLIIHUHQWVDWXUDWLRQFXUYHV and therefore change state at different pressures 5.4.4 Final Charging by Liquid Charging and temperatures. If charge is added to the Subcooling system in the vapor state, it is possible to have a disproportionate amount of each part of the R-410A $IWHUSUHOLPLQDU\FKDUJLQJE\ZHLJKWRU pressures, find the design subcooling value. EOHQGZKLFKZLOOFDXVHXQVWDEOHDQGLQHIILFLHQW operation. Therefore, it is critical to add R-410A in The correct subcooling value is found at the the liquid form only! intersection of the installed system and the outdoor ambient temperature on the Charging 5.4.3 Preliminary Charging by Chart located inside the access panel cover. Pressures SC° from Charging Chart = _____°F [_____°C]. )ROORZLQJDLUIORZYHULILFDWLRQDQGFKDUJHZHLJK 9HULI\WKDWWKHRXWGRRUXQLWLVRSHUDWLQJRQQG in, run the unit for a minimum of 15 minutes stage and that the air-handler or gas furnace is prior to noting pressures and temperatures. GHOLYHULQJQGVWDJHDLUIORZ 9HULI\WKDWWKHRXWGRRUXQLWLVRSHUDWLQJRQQG stage and that the air-handler or gas furnace is IMPORTANT: Indoor conditions GHOLYHULQJQGVWDJHDLUIORZ as measured at the indoor coil are required to EHZLWKLQ) & RIFRPIRUWFRQGLWLRQVDV Indoor conditions as SUHIHUUHGE\WKHKRPHRZQHUDQGPXVWKDYH IMPORTANT: operated for at least 15 minutes prior to final PHDVXUHGDWWKHLQGRRUFRLOPXVWEHZLWKLQ) charge adjustment. Unit charging is recommended >&@RIFRPIRUWFRQGLWLRQVSHUWKHKRPHRZQHU V preference. XQGHUWKHIROORZLQJRXWGRRUFRQGLWLRQV21/< Cooling Mode: 55°F [12.8°C] outdoor dry bulb NOTICE: If the indoor temperature is above and above RUEHORZWKLVUDQJHUXQWKHV\VWHPWREULQJWKH +HDWLQJ0RGH %HWZHHQ)>&@DQG) WHPSHUDWXUHGRZQRUUXQWKHHOHFWULFKHDWIXUQDFHWR [15.6°C] outdoor dry bulb EULQJWKHWHPSHUDWXUHZLWKLQWKLVUDQJH 2. Note the Outdoor Dry Bulb Temperature, NOTICE: Systems should not be charged ODDB° = _____°F [_____°C]. Unit charging EHORZ)>&@RXWGRRUWHPSHUDWXUH LVUHFRPPHQGHGXQGHUWKHIROORZLQJRXWGRRU 28 5.0 SYSTEM START-UP & REFRIGERANT CHARGING
NOTICE: If the indoor temperature is 5.4.5 R-410A Temperature DERYHRUEHORZWKHUHFRPPHQGHGUDQJHUXQWKH Pressure Chart V\VWHPWREULQJWKHWHPSHUDWXUHGRZQRUUXQWKH SATURATION R-410A SATURATION R-410A SATURATION R-410A SATURATION R-410A electric heat/furnace to bring the temperature up. TEMP PSIG TEMP PSIG TEMP PSIG TEMP PSIG (Deg. F) (Deg. F) (Deg. F) (Deg. F) 2. Note the measured Liquid Pressure, Pliq = [Deg. C] [Deg. C] [Deg. C] [Deg. C] ______psig, as measured from the liquid (small) >@ ± >@ >@ >@ service valve. Use the Temperature Pressure > @ ± >@ >@ >@ &KDUWEHORZWRQRWHWKHFRUUHVSRQGLQJVDWXUDWLRQ > @ ± > @ >@ >@ temperature for R-410A at the measured liquid >@ ± >@ >@ >@ pressure. > @ ± >@ >@ > @ >@ ± >@ >@ >@ Liquid Saturation Temperature, SAT°= _____°F >@ ± >@ >@ >@ [_____°C]. >@ ± >@ >@ >@ 3. Note the liquid line temperature, Liq° = _____°F >@ ± >@ >@ >@ [_____°C], as measured from a temperature >@ > @ >@ >@ SUREHORFDWHGZLWKLQ>FP@RXWVLGHRI >@ >@ > @ >@ the unit on the copper liquid line (small line). >@ >@ >@ It is recommended to use a calibrated clamp- >@ >@ >@ on temperature probe or an insulated surface thermocouple. 4. Subtract the liquid line temperature from the 5.5 Completing Installation saturation temperature to calculate subcooling. • Disconnect the hoses from the pressure ports. Replace SAT°_____°F [_____°C] - Liq°_____°F [_____°C] the pressure port caps and tighten adequately to seal = SC°_____°F [_____°C] caps. Do not overtighten. Charging 5. Adjust charge to obtain the specified subcooling • Replace the service valve top caps finger-tight and then YDOXH,IWKHPHDVXUHGVXEFRROLQJOHYHOLVEHORZ WLJKWHQZLWKDZUHQFKWRDGHTXDWHO\VHDOFDSVDo not the listed requirement for the given outdoor overtighten. temperature, add charge. If the measured • Replace control box cover and service panel and install subcooling level is above the listed requirement VFUHZVWRVHFXUHSDQHOV for the given outdoor temperature, remove 5HVWRUHSRZHUWRXQLWDWGLVFRQQHFWLIUHTXLUHG charge. • Configure thermostat per the thermostat installation instructions and set to desired mode and temperature.
29 6.0 SEQUENCE OF OPERATION 6.1 Cooling Mode 6.3 Supplemental Electric When the 2-stage thermostat calls for the 1st stage Heat in Heating Mode of cooling, the outdoor fan motor is energized and WKHVWVWDJHRIWKHFRPSUHVVRUDQGLQGRRUEORZHU If the building load should exceed the heating capacity motor is energized. The system then provides cooling LQH[WUHPHRXWGRRUFRQGLWLRQVWKHWKHUPRVWDWZLOO DQGGHKXPLGLÀFDWLRQIRUWKHFRQGLWLRQHGVSDFH,I direct the air-handler to energize supplemental electric heat as required to meet the building load as a 3rd Operation the thermostat calls for the 2nd stage of cooling, the compressor shifts to the 2nd stage of capacity and stage of heat. The compressor and outdoor fan WKHLQGRRUEORZHUPRWRUVSHHGVXSWRGHOLYHUWKHQG ZLOOFRQWLQXHWRRSHUDWHDWPD[LPXPFDSDFLW\ZKLOH VWDJHRIDLUÁRZ7KHV\VWHPZLOOF\FOHEHWZHHQWKH VXSSOHPHQWDOHOHFWULFKHDWLVHQHUJL]HG)RUN: 1st and 2nd stages as directed by the thermostat. heaters and higher, the electric heater elements When the call for cooling has ended or the thermostat are split into 2 stages controlled by energizing the LVVZLWFKHGWRWKH2))SRVLWLRQWKHFRPSUHVVRU W1 and W2 thermostat pigtails on the air-handler and outdoor fan motor are de-energized, but the ZLWK9$&8QOHVVWKH:DQG:WKHUPRVWDW LQGRRUEORZHUPRWRUFRQWLQXHVWRRSHUDWHIRU² pigtails are connected together at the air-handler, seconds to extract the residual cooling capacity in the RQO\WKHVWVWDJHRIHOHFWULFKHDWZLOOEHHQHUJL]HG cold indoor coil before it stops. ZKHQVXSSOHPHQWDOKHDWLVHQHUJL]HGLQWKHKHDW NOTE: 2 and 3 ton models feature a 2 speed ECM pump heating mode. If the 1st stage of electric heat RXWGRRUIDQPRWRUWKDWRSHUDWHVRQORZVSHHGIRU LVQRWVXIÀFLHQWIRUVXSSOHPHQWDOKHDWWKH:DQG 1st stage cooling operation and high speed for 2nd W2 thermostat pigtails on the air-handler should be stage cooling operation. Standard single-speed PSC connected together to provide maximum supplemental motors are used on 4 and 5 ton models. heat. 6.2 Heating Mode 6.4 Dual Fuel Applications When the heat pump thermostat is set to “heat” mode, – Heating Mode WKH´%µWHUPLQDORQWKHRXWGRRUXQLWLVHQHUJL]HGZKLFK If the building load should exceed the heat pump HQHUJL]HVWKHUHYHUVLQJYDOYHDQGVZLWFKHVLWWRWKH heating capacity in extreme outdoor conditions, the heating position. When the 2-stage thermostat calls WKHUPRVWDWZLOOGLUHFWWKHRXWGRRUXQLWWRVKXWGRZQ for the 1st stage of heating, the system then provides DQGKHDWLQJUHVSRQVLELOLW\ZLOOEHWUDQVIHUUHGWRWKHJDV heating for the conditioned space. If the thermostat furnace. An outdoor ambient temperature can be set calls for the 2nd stage of heating, the compressor in dual fuel enabled thermostats to direct the system VKLIWVWRWKHQGVWDJHRIFDSDFLW\DQGWKHLQGRRUEORZ- WRDXWRPDWLFDOO\VZLWFKWRJDVKHDWZKHQWKHRXWGRRU HUPRWRUVSHHGVXSWRGHOLYHUWKHQGVWDJHRIDLUÁRZ DPELHQWWHPSHUDWXUHGURSVEHORZWKDWVHWSRLQW,IWKH 7KHV\VWHPZLOOF\FOHEHWZHHQWKHVWDQGQGVWDJ- thermostat is set to the EMERGENCY HEAT mode, es as directed by the thermostat. When the call for KHDWLQJUHVSRQVLELOLW\ZLOOEHWUDQVIHUUHGWRWKHJDV heating has ended, the compressor and outdoor fan furnace. PRWRUDUHGHHQHUJL]HGEXWWKHLQGRRUEORZHUPRWRU continues to operate for 30 – 45 seconds to extract the UHVLGXDOKHDWLQWKHZDUPLQGRRUFRLOEHIRUHLWVWRSV ,IWKHWKHUPRVWDWLVVZLWFKHGWRWKH2))WKHUHYHUV- ing valve solenoid is de-energized. If the system is RSHUDWLQJLQWKHKHDWLQJPRGHZKHQWKHWKHUPRVWDWLV VZLWFKHGWRWKH2))SRVLWLRQWKHUHYHUVLQJYDOYHZLOO VKLIWWRWKHFRROLQJSRVLWLRQDQGZLOOUHPDLQWKHUHXQWLO WKHWKHUPRVWDWLVVZLWFKHGEDFNWRWKH+($7PRGH and there is a call for heating. NOTE: 2 and 3 ton models feature a 2 speed ECM RXWGRRUIDQPRWRUWKDWRSHUDWHVRQORZVSHHGIRUVW stage heating operation and high speed for 2nd stage heating operation. Standard single-speed PSC mo- tors are used on 4 and 5 ton models.
30 6.0 SEQUENCE OF OPERATION 6.5 Demand Defrost Defrosting of the outdoor coil in the heating mode +LMYVZ[;LYTPUH[PVU!7KHGHIURVWF\FOHZLOO is controlled by the defrost control located in the continue until the coil temperature has reached Operation outdoor unit. TZPLD16 heat pumps feature “de- the termination temperature or 14 minutes mand defrost” that initiate a defrost cycle only KDYHHODSVHGZKLFKHYHUFRPHVÀUVW7KH ZKHQIURVWLQJLVGHWHFWHGRQWKHRXWGRRUFRLOGXULQJ factory default termination temperature is 70°F heating operation. The defrost control monitors [21.1°C], although this temperature can be the Outdoor Ambient Temperature Thermistor and changed to 50°F [10.0°C], 60°F [15.6°C], or Outdoor Coil Temperature Thermistor to determine 80°F [26.7°C] by relocating a jumper on the ZKHQDGHIURVWF\FOHLVUHTXLUHG7KHIROORZLQJ defrost control board. When the coil tempera- VHTXHQFHLVIROORZHGIRUGHIURVWF\FOHV ture reaches the termination temperature or 14 PLQXWHVKDYHHODSVHGWKHIROORZLQJDFWLRQLV +LMYVZ[0UP[PH[PVU! A defrost cycle is initiated WDNHQ ZKHQWKHIROORZLQJFRQGLWLRQVDUHPHW 7KHUHYHUVLQJYDOYHZLOOEHHQHUJL]HG 7KHRXWGRRUFRLOWHPSHUDWXUHLVEHORZ) VZLWFKLQJLWEDFNWRWKHKHDWLQJSRVLWLRQ [1.7°C]. 2. The compressor is de-energized for a 30 2. The compressor has operated for at least second noise abatement period. PLQXWHVZLWKWKHRXWGRRUFRLOWHPSHUD- 3. Supplemental heat is de-energized. WXUHEHORZ)>&@ 4. The compressor and outdoor fan motor are 3. The defrost control determines a defrost energized after the 30 second delay has cycle is required based on the outdoor been completed. ambient and outdoor coil temperatures. 5. The system returns to normal heating oper- ation as directed by the thermostat. ,IWKHDERYHFRQGLWLRQVDUHPHWWKHIROORZLQJDFWLRQ ZLOOEHWDNHQ 56;,!:OV\SK[OLV\[KVVYHTIPLU[[LTWLYH- [\YL[OLYTPZ[VYMHPS[OLKLMYVZ[JVU[YVS^PSS 7KHUHYHUVLQJYDOYHLVGHHQHUJL]HGZKLFK PUP[PH[LHKLMYVZ[J`JSLL]LY`TPU\[LZVM ZLOOFDXVHLWWRVKLIWWRWKHFRROLQJSRVLWLRQ VWLYH[PVU^OLU[OLJVPS[LTWLYH[\YLPZILSV^ and the outdoor fan motor is de-energized. -B -D 2. The compressor is de-energized for a 30 second noise abatement period. See Section 7.1 (Demand Defrost Control) for addi- 3. The indoor air-handler or gas furnace is tional information. directed to supply supplemental heat to prevent cold air from being discharged from the supply registers during the defrost cycle. 4. The compressor is energized after the 30 second delay has been completed and defrosting of the coil begins.
31 7.0 COMPONENTS & CONTROLS The test mode is initiated by momentarily shorting 7.1 Demand Defrost WKHWZR7(67SLQV7KHXQLWPXVWKDYHDQDFWLYH Control heat pump heating call to enter the test mode. In this mode of operation, the enable temperature When the thermostat calls for cooling, the demand is ignored and all timers are sped up. To initiate defrost control monitors the outdoor ambient a manual defrost, short and hold the TEST pins. temperature, outdoor coil temperature and the 5HPRYHWKHVKRUWZKHQWKHV\VWHPVZLWFKHV FRPSUHVVRUUXQWLPHWRGHWHUPLQHZKHQDGHIURVW to defrost mode after the compressor noise cycle is required. DEDWHPHQWGHOD\7KHGHIURVWZLOOWHUPLQDWHRQWLPH 7KHGHIURVWFRQWUROKDVKLJKDQGORZSUHVVXUH PLQXWHV RUZKHQWKHWHUPLQDWLRQWHPSHUDWXUH Components FRQWUROLQSXWVZLWKXQLTXHSUHVVXUHVZLWFKORJLF has been reached. built into the microprocessor to provide compressor Test Sequence of Operation: DQGV\VWHPSURWHFWLRQZLWKRXWQXLVDQFHORFNRXWV 1) Provide a heating call to the heat pump. The control cycles the compressor off for 30 2) Short test pins to bypass anti-short cycle timer. seconds at the beginning and the end of the (If unit is running, this step is not necessary.) defrost cycle to eliminate the increased compressor noise caused by rapidly changing system 3) Short test pins and hold them shorted to enter SUHVVXUHVZKHQWKHUHYHUVLQJYDOYHVZLWFKHV6HH defrost mode. Sections 9.1 and 9.2 for diagnostic flash codes and 4) Release test pins once control exits noise sensor resistance values at various temperatures. abatement delay. Defrost Initiation 0RQLWRUFRLOWHPSHUDWXUHZKHQFRQWUROH[LWV $GHIURVWZLOOEHLQLWLDWHGZKHQWKHWKUHHFRQGLWLRQV defrost. EHORZDUHVDWLVILHG 6) Unit should return to heating mode. 7KHRXWGRRUFRLOWHPSHUDWXUHLVEHORZ) Troubleshooting Demand Defrost [1.7°C] as measured by a good coil sensor, During the test mode the coil temperature should 2. The compressor has operated for at least 34 be monitored. If the system exits defrost at PLQXWHVZLWKWKHRXWGRRUFRLOWHPSHUDWXUHEHORZ approximately the termination temperature, the 35°F [1.7°C] and control is operating normally. 7KHPHDVXUHGGLIIHUHQFHEHWZHHQWKHDPELHQW ,IQRWRQHLWHPWRFKHFNLVWKHFRLODQGDPELHQW temperature and the outdoor coil temperature temperature sensor resistance, using the is greater than the calculated difference temperature/resistance chart in Section 9.2. determined by the microprocessor. ,PPHUVHWKHVHQVRULQZDWHUDQGPHDVXUHWKH Defrost Termination resistance of the sensor. At 35°F [1.7°C] the 2QFHDGHIURVWLVLQLWLDWHGWKHGHIURVWZLOO resistance of the sensor should be approximately continue until 14 minutes has elapsed or the coil 30,000 ohms. temperature has reached the selected termination Ensure that the coil sensor is properly installed that temperature. The factory setting is 70°F [21.1°C] it is not loose or touching the cabinet. but can be changed to 50°F [10°C], 60°F [15.6°C] High/Low Pressure Control Monitoring or 80°F [26.7°C] by relocating the jumper on the control board. 6WDWXVRIKLJKDQGORZSUHVVXUHFRQWUROVLV PRQLWRUHGDQGWKHIROORZLQJDFWLRQVDUHWDNHQ Temperature Sensors High Pressure Control – Provides active The coil sensor is located on the outdoor coil at protection in both cooling and heating modes the point fed by the distribution tubes from the at all outdoor ambient temperatures. The high metering device (short 3/8” dia. Tube). The ambient pressure control is an automatic reset type and DLUVHQVRULVORFDWHGEHORZWKHFRQWUROER[VRLWFDQ RSHQVDWDSSUR[LPDWHO\SVLJ>N3D@DQG sense outdoor temperatures. FORVHVDWDSSUR[LPDWHO\SVLJ> N3D@7KH If the outdoor ambient sensor fails, the defrost FRPSUHVVRUDQGIDQPRWRUZLOOVWRSZKHQWKHKLJK FRQWUROZLOOLQLWLDWHDGHIURVWHYHU\PLQXWHVRI SUHVVXUHFRQWURORSHQVDQGZLOOVWDUWDJDLQLIWKH FRPSUHVVRUUXQWLPHZLWKWKHFRLOWHPSHUDWXUH high side pressure drops to approximately 420 EHORZ)>&@ SVLJ> N3D@ZKHUHWKHDXWRPDWLFUHVHWKLJK ,IWKHFRLOVHQVRUIDLOVWKHGHIURVWFRQWUROZLOOQRW pressure control resets. If the high pressure control initiate a defrost. RSHQVWLPHVZLWKLQDSDUWLFXODUFDOOIRUKHDWLQJRU FRROLQJRSHUDWLRQWKHGHIURVWFRQWUROZLOOORFNRXW compressor and outdoor fan operation. Low Pressure Control – Provides active Test Mode protection in both heating and cooling modes at all
32 7.0 COMPONENTS & CONTROLS RXWGRRUDPELHQWWHPSHUDWXUHV7KHORZSUHVVXUH control is an automatic reset type and opens at 7.4 Outdoor Fan DSSUR[LPDWHO\SVLJ>N3D@DQGFORVHVDW All models utilize a standard paddle 2 or 3 blade fan DSSUR[LPDWHO\SVLJ>N3D@2SHUDWLRQLV made from either aluminum or coated steel. VOLJKWO\GLIIHUHQWEHWZHHQFRROLQJDQGKHDWLQJ modes. 7.5 Compressor Components Cooling Mode: The compressor and fan motor ZLOOVWRSZKHQWKHORZSUHVVXUHFRQWURORSHQVDQG Contractor ZLOOVWDUWDJDLQZKHQWKHORZVLGHSUHVVXUHULVHV $OOPRGHOVXWLOL]HDVLQJOHSROHFRQWDFWRUWRSRZHU WRDSSUR[LPDWHO\SVLJ>N3D@ZKHQWKHORZ WKHFRPSUHVVRUDQGIDQPRWRU)LHOGSRZHULVFRQ- SUHVVXUHFRQWURODXWRPDWLFDOO\UHVHWV,IWKHORZ nected directly to the terminal lugs on the line side SUHVVXUHVZLWFKRSHQVWLPHVZLWKLQDSDUWLFXODU of the contactor. FDOOIRUFRROLQJRSHUDWLRQWKHGHIURVWFRQWUROZLOO ORFNRXWFRPSUHVVRUDQGIDQRSHUDWLRQ Heating Mode: The compressor and fan motor 7.6 Compressor/ ZLOOVWRSZKHQWKHORZSUHVVXUHFRQWURORSHQVDQG ZLOOVWDUWDJDLQZKHQWKHORZVLGHSUHVVXUHULVHV Fan Motor Capacitor WRDSSUR[LPDWHO\SVLJ>N3D@ZKHQWKHORZ 0RGHOVZLWK36&IDQPRWRUV WRQ XWLOL]HD SUHVVXUHDXWRPDWLFDOO\UHVHWV,IWKHORZSUHVVXUH dual capacitor for both the compressor and fan VZLWFKWULSVWLPHVZLWKLQPLQXWHVRIRSHUDWLRQ PRWRU0RGHOVZLWK(&0RXWGRRUPRWRUV WRQ during a particular call for heating operation, utilize a single capacitor for the compressor. WKHGHIURVWFRQWUROZLOOORFNRXWFRPSUHVVRU DQGRXWGRRUIDQRSHUDWLRQ,IWKHORFNRXWGXH WRORZSUHVVXUHRFFXUVDWDQRXWGRRUDPELHQW 7.7 Reversing Valve WHPSHUDWXUHEHORZ)>&@WKHGHIURVWFRQWURO $OOPRGHOVDUHHTXLSSHGZLWKDUHYHUVLQJYDOYHWKDW ZLOODXWRPDWLFDOO\H[LWWKHORFNRXWPRGHZKHQWKH DOORZVWKHV\VWHPWRUHYHUVHWKHUHIULJHUDWLRQF\FOH outdoor ambient temperature rises to 5°F [-15°C]. to provide either cooling or heating. The revers- 7KLVIHDWXUHLVQHFHVVDU\VLQFHWKHORZSUHVVXUH ing valve is energized in the heating mode and control could possibly have opened due to the is energized anytime the thermostat is set to the RXWGRRUDPELHQWEHLQJYHU\ORZUDWKHUWKDQDQ “Heat” mode. The outdoor unit has a thermostat actual system fault. pigtail that must be electrically connected to the “B” Exiting Lock-Out Mode:7RH[LWWKHORFNRXW terminal on the thermostat. mode, remove 24 volts to the defrost control by UHPRYLQJSRZHUWRWKHLQGRRUDLUKDQGOHUIXUQDFH RUE\VKRUWLQJWKHWZRGHIURVWFRQWUROWHVWSLQV 7.8 Charge Compensator together. 7KHDQGWRQPRGHOVDUHHTXLSSHGZLWKD charge compensator that stores a predetermined amount of refrigerant in either the heating or cooling 7.2 Compressor mode so the refrigerant charge is optimized in both Copeland Ultratech 2-stage scroll compressors are the cooling and heating modes. The charge com- used in all (-)P16 heat pumps. These compressors SHQVDWRULVWKHF\OLQGULFDOGHYLFHZLWKODUJHUWXEHV have a special internal feature that minimizes noise coming out each end and a 3/8” [9.53 mm] diameter ZKHQWKHUHYHUVLQJYDOYHVKLIWVGXULQJWKHGHIURVW tube on one end that is connected to the liquid line mode. The 2nd capacity stage is activated by a near the liquid service valve. '&VLJQDOWKDWHQHUJL]HVDQLQWHUQDOVROHQRLGZKLFK VKLIWVWKHFRPSUHVVRUWRIXOOFDSDFLW\7KH9$& <VLJQDOIURPWKHWKHUPRVWDWLVUHFWLÀHGWR'& 7.9 Discharge Line FXUUHQWE\DGLRGHORFDWHGLQWKHZLULQJKDUQHVVWKDW Muffler connects to the 2nd stage terminals on the com- pressor. $OOPRGHOVDUHHTXLSSHGZLWKDGLVFKDUJHOLQH PXIÁHUWRKHOSDEVRUEGLVFKDUJHSXOVHVLQWKHYDSRU OLQHLQWKHKHDWLQJPRGHWKDWFDQUHVXOWLQXQZDQWHG 7.3 Fan Motor noise inside the building structure. 2 and 3 ton models feature a 2 speed ECM outdoor IDQPRWRUWKDWRSHUDWHRQORZVSHHGIRUVWVWDJH cooling and heating operation and high speed for 2nd stage cooling and heating operation. Standard single-speed PSC motors are used on 4 and 5 ton models. 33 7.0 COMPONENTS & CONTROLS 7.10 Thermal Expansion Valve (TXV) $OOPRGHOVDUHHTXLSSHGZLWKDSURSHUO\VL]HGWKHU- XQUHVWULFWHGÁRZ$OO7;9·VKDYHDEOHHGUDWH PDOH[SDQVLRQYDOYH 7;9 WRPHWHUWKHUHIULJHUDQW to help eliminate “hammering” in the off cycle that ÁRZDQGSURYLGHDFRQVLVWHQWVXSHUKHDWOHYHOLQWKH VRPHWLPHVRFFXUVZKHQQRQEOHHG7;9·VDUHXVHG KHDWLQJPRGH7KH7;9·VDOOKDYHDQLQWHUQDOFKHFN on both the indoor coil and outdoor heat pump unit. valve that opens in the cooling mode to provide 7.11 Compressor Crankcase Heater (CCH)
Components While scroll compressors usually do not require $FUDQNFDVHKHDWHULVWREHORFDWHGQHDUWKH FUDQNFDVHKHDWHUVWKHUHDUHLQVWDQFHVZKHQD bottom of the compressor shell. Its purpose is heater should be added. Refrigerant migration to drive refrigerant from the compressor shell during the off cycle can result in a noisy start up. during long cycles, thus preventing damage to the $GGDFUDQNFDVHKHDWHUWRPLQLPL]HUHIULJHUDWLRQ compressor during start-up. migration, and to help eliminate any start up noise $WLQLWLDOVWDUWXSRUDIWHUH[WHQGHGVKXWGRZQ RUEHDULQJ´ZDVKRXWµ SHULRGVPDNHVXUHWKHKHDWHULVHQHUJL]HGIRUDW NOTE:7KHLQVWDOODWLRQRIDFUDQNFDVHKHDWHU least 12 hours before the compressor is started. is recommended if the system charge exceeds 'LVFRQQHFWVZLWFKRQDQGZDOOWKHUPRVWDWRII WKHYDOXHVLQWKHWDEOHEHORZWRQPRGHOV FRPHZLWKDFUDQNFDVHKHDWHUIDFWRU\LQVWDOOHGDV LQGLFDWHGE\DQDVWHULVN
MAXIMUM SYSTEM CHARGE VALUES Charge Limit Model Compressor Without Size Model Number Crankcase Heater* 24 ZPS21K5E-PFV *9.6 lbs. [4.35 kg] 36 ZPS30K5E-PFV *9.6 lbs. [4.35 kg] 48 ZPS40K5E-PFV *12 lbs. [5.44 kg] 60 ZPS49K5E-PFV *12 lbs. [5.44 kg]
*Crankcase heater factory installed. 7.12 High- and Low-Pressure Controls 6WDQGDUGRQDOOPRGHOV 7KHVHFRQWUROVNHHSWKH compressor from operating in pressure ranges CAUTION: The compressor has an ZKLFKFDQFDXVHGDPDJHWRWKHFRPSUHVVRU%RWK internal overload protector. Under some conditions, FRQWUROVDUHLQWKHORZYROWDJHFRQWUROFLUFXLW LWFDQWDNHXSWRKRXUVIRUWKLVRYHUORDGWRUHVHW 0DNHVXUHRYHUORDGKDVKDGWLPHWRUHVHWEHIRUH The high-pressure control (HPC) is an automatic- condemning the compressor. UHVHWZKLFKRSHQVQHDU36,*>N3D@DQG FORVHVQHDU36,*> N3D@ 7KHORZSUHVVXUHFRQWURO /3& LVDQDXWRPDWLF UHVHWZKLFKRSHQVQHDU36,*>N3D@DQG FORVHVQHDU36,*>N3D@ 7.13 Compressor Hard Start Components 6WDUWFRPSRQHQWVDUHQRWXVXDOO\UHTXLUHGZLWK components are desirable to reduce light dimming. the scroll compressors used in heat pumps, but Hard start components must be field installed and DUHDYDLODEOHIRUVSHFLDOFDVHVDQGZKHUHVWDUW are available through Rheem Parts or Ruud Parts.
34 8.0 ACCESSORIES
WARNING: 7XUQRIIHOHFWULFSRZHU 8.4 Compressor DWWKHIXVHER[RUVHUYLFHSDQHOEHIRUHPDNLQJDQ\ HOHFWULFDOFRQQHFWLRQVZKHQLQVWDOOLQJDFFHVVRULHV Crankcase Heater )DLOXUHWRGRVRFDQUHVXOWLQHOHFWULFDOVKRFN severe personal injury, or death. 2 Ton Model: Part No. 44-101884-08 ZRXWGRRU temp. thermostat) or 44-17402-44 ZRRXWGRRU CAUTION: temp. thermostat) SINGLE POLE COMPRESSOR NOTE: 3 – 5 ton models have factory installed CONTACTOR (CC): FUDQNFDVHKHDWHUV Single pole contactors are used on all single-phase 8.5 Heat Pump units up through 5 tons. Caution must be exercised ZKHQVHUYLFLQJDVRQO\RQHOHJRIWKHSRZHUVXSSO\ Thermostat Warning Light LVEURNHQZLWKWKHFRQWDFWRU 7KLVFRPSRQHQWVHQVHVDFRPSUHVVRUORFNRXWDQG tells the thermostat service light to come on. This 8.1 Compressor ZLOOOHWWKHKRPHRZQHUNQRZWKDWVHUYLFHLVQHHGHG
on the system. Part No. 9?7?+ Accessories Time Delay NOTE::DUQLQJOLJKWRQWKHUPRVWDWZLOOFRPHRQ 7KHWLPHGHOD\ 7'& LVLQWKHORZYROWDJHFRQWURO during a 5 minute compressor time delay and for 5 circuit. When the compressor shuts off due to a VHFRQGVGXULQJGHIURVWZKLOHWKHFRPSUHVVRULVRII SRZHUIDLOXUHRUWKHUPRVWDWRSHUDWLRQWKLVFRQWURO +RPHRZQHUVKRXOGRQO\EHFRQFHUQHGLIOLJKWVWD\V NHHSVLWRIIDWOHDVWPLQXWHVEHIRUHWKHQH[WF\FOH on for more than 5 minutes. can begin. 8.6 Remote Outdoor 8.2 Low Ambient Temperature Sensor Control 7KLVLVDNLWWKDWKDVDORQJHUUHPRWHVHQVRUWKDW This component senses compressor head pressure FDQEHLQVWDOOHGDZD\IURPWKHRXWGRRUXQLWIRU DQGVKXWVWKHRXWGRRUIDQRIIZKHQWKHKHDG better thermostat temperature display. pressure drops to approximately 250 PSIG [1,724 N3D@7KLVDOORZVWKHXQLWWREXLOGDVXIILFLHQWKHDG SUHVVXUHDWORZHURXWGRRUDPELHQW GRZQWR°F 8.7 Compressor [-18°C]) in order to maintain system balance and FDSDFLW\/RZDPELHQWFRQWUROVKRXOGEHXVHG Sound Enclosure RQDOOHTXLSPHQWIUHTXHQWO\RSHUDWHGEHORZ°F 2.0 & 3.0 Ton Models: [21°C] ambient. Part No. 9?(+( Part No. 4.0 & 5.0 Ton Models: 8.3 Compressor Part No. Hard Start Kit All Models: Part No. :2(
35 9.0 DIAGNOSTICS & TROUBLESHOOTING 9.1 Defrost Control Diagnostic Codes
LED 1 LED 2 Control Board Status OFF OFF No Power ON ON Coil Sensor Failure OFF ON Ambient Sensor Failure FLASH FLASH Normal OFF FLASH Low Pressure Lockout (short test pins to reset) FLASH OFF High Pressure Lockout (short test pins to reset) ON FLASH Low Pressure Control Open FLASH ONHigh Pressure Control Open ON OFF In Defrost Mode Alternate Flashing 5 Minute Time Delay
9.2 Outdoor Ambient and Coil Sensor Diagnostics Temperature vs. Resistance Table
Degrees C Degrees F Ohms -20 -4 96,974 -10 14 55,298 0 32 32,650 10 50 19,903 20 68 12,493 25 77 10,000 30 86 8,056 40 104 5,324
36 9.0 DIAGNOSTICS & TROUBLESHOOTING 9.3 Electrical Checks Flowchart THERMOSTAT CALL FOR OPERATION, NO OPERATION
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38 9.0 DIAGNOSTICS & TROUBLESHOOTING 9.5 Heating Mechanical Checks Flowchart
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39 9.0 DIAGNOSTICS & TROUBLESHOOTING 9.6 Defrost Mechanical Checks Flowchart
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40 9.0 DIAGNOSTICS & TROUBLESHOOTING 9.8 General Troubleshooting Guide
WARNING: 'LVFRQQHFWDOOSRZHUWRXQLWEHIRUHVHUYLFLQJ&RQWDFWRUPD\EUHDNRQO\RQHVLGH )DLOXUHWRVKXWRIISRZHUFDQFDXVHHOHFWULFDOVKRFNUHVXOWLQJLQSHUVRQDOLQMXU\RUGHDWK
SYMPTOM POSSIBLE CAUSE REMEDY 8QLWZLOOQRWUXQ 3RZHURIIRUORRVHHOHFWULFDOFRQQHFWLRQ &KHFNIRUFRUUHFWYROWDJHDWOLQHYROWDJHFRQQHFWLRQVLQ 7KHUPRVWDWRXWRIFDOLEUDWLRQ²VHWWRRORZRU condensing unit. high • Reset. • Defective control board &KHFNFRQWUROERDUGGLDJQRVWLFFRGHV %ORZQIXVHVWULSSHGEUHDNHU 5HSODFHIXVHVUHVHWEUHDNHU
• Transformer defective &KHFNZLULQJ5HSODFHWUDQVIRUPHU Diagnostics +LJKSUHVVXUHFRQWUROORFNRXW 5HVHWE\F\FOLQJSRZHUWRXQLW$OVRVHHKLJKKHDG /RZSUHVVXUHFRQWUROORFNRXW SUHVVXUHDQGORZVXFWLRQSUHVVXUHUHPHGLHV 0LVZLULQJRIWKHUPRVWDW &KHFNIRUUHIULJHUDQWOHDNV &KHFNWKHUPRVWDWZLULQJ Outdoor fan runs, • Run or start capacitor defective • Replace. compressor doesn't • Start relay defective • Replace. • Loose connection &KHFNIRUFRUUHFWYROWDJHDWFRPSUHVVRU&KHFNDQG tighten all connections. &RPSUHVVRUVWXFNJURXQGHGRURSHQPRWRU • Wait at least 3 hours for overload to reset. If still open, ZLQGLQJRSHQLQWHUQDORYHUORDG replace the compressor. /RZYROWDJHFRQGLWLRQ $GGVWDUWNLWFRPSRQHQWV ,QVXIÀFLHQWFRROLQJ • Improperly sized unit • Recalculate load. ,PSURSHULQGRRUDLUÁRZ &KHFN6KRXOGEHDSSUR[LPDWHO\&)0> /V@SHU ton. • Incorrect refrigerant charge • Charge per procedure attached to unit service panel. • Air, noncondensibles, or moisture in system • Recover refrigerant. Evacuate and recharge. Add or UHSODFHÀOWHUGULHU • Restricted refrigerant circuit • Locate restriction and clear. Compressor short • Incorrect voltage • At compressor terminals, voltage must be ± 10% of cycles • Defective overload protector QDPHSODWHPDUNLQJZKHQXQLWLVRSHUDWLQJ • Refrigerant undercharge or overcharge 5HSODFHFRPSUHVVRU&KHFNIRUFRUUHFWYROWDJH • (HPS or LPC cycling) • Adjust charge per charging chart. 5HJLVWHUVVZHDW /RZLQGRRUDLUÁRZ ,QFUHDVHVSHHGRIEORZHURUUHGXFHUHVWULFWLRQ 5HSODFHDLUÀOWHU +LJKKHDGORZYDSRU • Restriction in liquid line, expansion device, or • Remove or replace defective component. pressures ÀOWHUGULHU %DG7;9 5HSODFH7;9 High head, high • Dirty outdoor coil • Clean coil. or normal vapor • Refrigerant overcharge • Correct system charge. pressure – Cooling • Outdoor fan not running • Repair or replace. mode • Air or noncondensibles in system • Recover refrigerant. Evacuate and recharge. /RZKHDGKLJKYDSRU %DG7;9 5HSODFH7;9 pressures • Bad compressor • Replace compressor. 5HYHUVLQJYDOYHOHDNLQJE\ • Replace reversing valve. /RZYDSRUSUHVVXUH /RZLQGRRUDLUÁRZ ,QFUHDVHVSHHGRIEORZHURUUHGXFHUHVWULFWLRQ iced indoor coil 5HSODFHDLUÀOWHU 2SHUDWLQJEHORZ)>&@RXWGRRUV $GG/RZ$PELHQW.LW • Moisture in system 5HFRYHUUHIULJHUDQW(YDFXDWHDQGUHFKDUJH$GGÀOWHU drier. /RZUHIULJHUDQWFKDUJH &KHFNUHIULJHUDQWFKDUJHDQGFKHFNIRUOHDNV High vapor pressure • Excessive load 5HFKHFNORDGFDOFXODWLRQ • Defective compressor • Replace. Fluctuating head and 7;9KXQWLQJ &KHFN7;9EXOEFODPS&KHFNDLUGLVWULEXWLRQRQFRLO vapor pressures 5HSODFH7;9 • Air or noncondensibles in system • Recover refrigerant. Evacuate and recharge. Gurgle or pulsing • Air or noncondensibles in system • Recover refrigerant. Evacuate and recharge. noise at expansion • Undercharged system • Adjust charge per charging chart. device or liquid line
41 9.0 DIAGNOSTICS & TROUBLESHOOTING 9.9 Service Analyzer Charts COMPRESSOR OVERHEATING SYMPTOM POSSIBLE CAUSE CHECK/REMEDY High superheat Low charge Check system charge. (greater than 15°F [8.3°C] at coil) Faulty metering device Restricted cap tube, TXV Power element superheat out of adjustment internally
-VYLPNUTH[[LYZ[VWWPUNÅV^ High internal load Hot air (attic) entering return Heat source on; miswired or faulty control Restriction in liquid line Drier plugged. Line kinked. Diagnostics Low head pressure Low charge Operating in low ambient temperatures Vapor or liquid line subjected to high heat source Hot attic Hot water line Low line voltage Loose wire connections Check wiring. Power company problem, transformer Report problem. Undersized wire feeding unit Correct and complete diagnosis. High line voltage Power company problem Report problem.
High head Overcharge Check system charge. pressure Dirty heat pump coil Clean coil. Faulty or wrong size heat pump fan motor Check capacitor. Replace fan motor.
Faulty fan blade or wrong rotation Replace fan blade. Replace with correct rotation motor. Recirculation of air Correct installation. Additional heat source Check for dryer vent near unit. Check for recirculation from other equipment. Noncondensibles Recover refrigerant. Evacuate and recharge system. Equipment not matched Correct mismatch. Short cycling of com- Cycling or faulty pressure control Check pressures and address cause of high or low pres- pressor sure. Replace pressure control if faulty.
Loose wiring Check unit wiring. Thermostat Located in supply air stream
+PɈLYLU[PHSZL[[PUN[VVJSVZL Customer misuse TXV restricted Internal foreign matter Power element failure TXV too small Equilizer tube plugged Distributor tube restricted Restricted with foreign matter Kinked Inside diameter reduced from previous compressor 42 failure 9.0 DIAGNOSTICS & TROUBLESHOOTING 9.9 Service Analyzer Charts (cont.) COMPRESSOR OVERHEATING (cont.) SYMPTOM POSSIBLE CAUSE CHECK OR REMEDIES Short cycling of /RZFKDUJH &KHFNV\VWHPFKDUJH compressor (cont.) /RZHYDSRUDWRUDLUÁRZ Dirty coil 'LUW\ÀOWHU Duct too small or restricted
Faulty run capacitor Replace. Diagnostics Faulty internal overload Replace compressor.
Faulty Compressor )DVWHTXDOL]DWLRQ/RZSUHVVXUHGLIIHUHQFH Replace compressor and examine system to 9DOYHVRUVFUROOV locate reason. ELECTRICAL SYMPTOM POSSIBLE CAUSE CHECK OR REMEDIES 9ROWDJHSUHVHQW Compressor start components &KHFNVWDUWFDSDFLWRU on load side of compressor &KHFNSRWHQWLDOUHOD\ contactor and compressor Run capacitor &KHFNZLWKRKPPHWHU ZRQ WUXQ Internal overload $OORZWLPHWRUHVHW &RPSUHVVRUZLQGLQJV &KHFNIRUFRUUHFWRKPV 9ROWDJHSUHVHQW Thermostat &KHFNIRUFRQWUROYROWDJHWRFRQWDFWRUFRLO on line side of compressor Compressor control circuit +LJKSUHVVXUHVZLWFK contactor only /RZSUHVVXUHVZLWFK Ambient thermostat Solid-state protection control or internal thermal sensors
&RPSUHVVRUWLPHGRIIRQFRQWURORULQWHUORFN No voltage on line %ORZQIXVHVRUWULSSHGFLUFXLWEUHDNHU &KHFNIRUVKRUWLQZLULQJRUXQLW side of compressor contactor ,PSURSHUZLULQJ 5HFKHFNZLULQJGLDJUDP
Improper voltage High voltage Wrong unit
3RZHUVXSSO\SUREOHP /RZYROWDJH Wrong unit 3RZHUVXSSO\SUREOHP
Wiring undersized
Loose connections
Single Phasing (3 phase) &KHFNLQFRPLQJSRZHUDQGIXVLQJ FLOODED STARTS SYMPTOM POSSIBLE CAUSE CHECK OR REMEDIES Liquid in the )DXOW\RUPLVVLQJFUDQNFDVHKHDWHU 5HSODFHRUDGGFUDQNFDVHKHDWHU compressor shell
Too much liquid in Incorrect piping &KHFNSLSLQJJXLGHOLQHV system Overcharge &KHFNDQGDGMXVWFKDUJH
43 9.0 DIAGNOSTICS & TROUBLESHOOTING 9.9 Service Analyzer Charts (cont.) CONTAMINATION SYMPTOM POSSIBLE CAUSE REMEDY Moisture Poor evacuation on installation or during service In each case, the cure is the same. Recover refrigerant. (KKÄS[LYKYPLYL]HJ\H[LHUKYLJOHYNL High head pressure Noncondensibles air Reclaim refrigerant, evacuate, and recharge. Unusual head and Wrong refrigerant or mixed refrigerants Reclaim refrigerant, evacuate, and recharge. suction readings Foreign matter – Copper tubing cuttings Reclaim refrigerant, evacuate, and recharge. JVWWLYÄSPUNZ Copper oxide Dirty copper piping or nitrogen not used when Reclaim refrigerant, evacuate, and recharge. brazing Welding scale Nitrogen not used during brazing Reclaim refrigerant, evacuate, and recharge. Diagnostics :VSKLYPUNÅ\_ (KKPUNÅ\_ILMVYLZLH[PUNJVWWLYWHY[^H` Reclaim refrigerant, evacuate, and recharge. Excess soft solder Wrong solder material Reclaim refrigerant, evacuate, and recharge. LOSS OF LUBRICATION SYMPTOM POSSIBLE CAUSE REMEDY Compressor failures Vapor line tubing too large Reduce pipe size to improve oil return. Low suction pressure Low charge Check system charge. Refrigerant leaks Repair and recharge. Cold, noisy Dilution of oil with refrigerant Observe piping guidelines. compressor – Slugging Noisy compressor Migration Check crankcase heater. Cold, sweating Flooding Check system charge. compressor
Low load 9LK\JLKHPYÅV^ +PY[`ÄS[LY Dirty coil Wrong duct size Restricted duct Thermostat setting Advise customer. Short cycling of Cycling or faulty high or low-pressure control Check pressure and address cause of high or low pres- compressor sure. Replace control if faulty. Loose wiring Check all control wires. Thermostat In supply air stream, out of calibration Customer misuse SLUGGING SYMPTOM POSSIBLE CAUSE REMEDY On start-up Incorrect piping Review pipe size guidelines. TXV hunting when Faulty TXV Replace TXV. running
44 9.0 DIAGNOSTICS & TROUBLESHOOTING 9.9 Service Analyzer Charts (cont.)
FLOODING SYMPTOM POSSIBLE CAUSE REMEDY Loose sensing bulb Secure the bulb and insulate. Poor system control %XOELQZURQJORFDWLRQ Relocate bulb. XVLQJD7;9 :URQJVL]H7;9 Use correct replacement. Improper superheat setting (less than 5°F [2.8°C]) 5HSODFH7;9
THERMOSTATIC EXPANSION VALVE (TXV) Diagnostics SYMPTOM POSSIBLE CAUSE REMEDY 0RLVWXUHIUHH]LQJDQGEORFNLQJYDOYH 5HFRYHUFKDUJHLQVWDOOÀOWHUGULHUHYDFXDWHV\VWHP recharge. 'LUWRUIRUHLJQPDWHULDOEORFNLQJYDOYH 5HFRYHUFKDUJHLQVWDOOÀOWHUGULHUHYDFXDWHV\VWHP recharge. /RZUHIULJHUDQWFKDUJH Correct the charge. 9DSRUEXEEOHVLQOLTXLGOLQH Remove restriction in liquid line. Correct the refrigerant charge. +LJK6XSHUKHDW/RZ Remove noncondensible gases. Suction Pressure (superheat over Size liquid line correctly. 15°F [8.3°C]) Misapplication of internally equalized valve 8VHFRUUHFW7;9 Plugged external equalizer line Remove external equalizer line restriction. 8QGHUVL]HG7;9 5HSODFHZLWKFRUUHFWYDOYH /RVVRIFKDUJHIURPSRZHUKHDGVHQVLQJEXOE 5HSODFHSRZHUKHDGRUFRPSOHWH7;9 &KDUJHPLJUDWLRQIURPVHQVLQJEXOEWRSRZHU (QVXUH7;9LVZDUPHUWKDQVHQVLQJEXOE KHDG :DUPSRZHUKHDGZLWKZDUPZHWFORWK 'RHVYDOYHRSHUDWHFRUUHFWO\QRZ" 0RLVWXUHFDXVLQJYDOYHWRVWLFNRSHQ 5HFRYHUUHIULJHUDQWUHSODFHÀOWHUGULHUHYDFXDWHV\VWHP and recharge. 'LUWRUIRUHLJQPDWHULDOFDXVLQJYDOYHWRVWLFN 5HFRYHUUHIULJHUDQWUHSODFHÀOWHUGULHUHYDFXDWHV\VWHP open and recharge. 7;9VHDWOHDN DJXUJOLQJRUKLVVLQJVRXQGLV 5HSODFHWKH7;9 9DOYHIHHGVWRRPXFK KHDUG$77+(7;9GXULQJWKHRIIF\FOHLIWKLVLV UHIULJHUDQWZLWKORZ the cause). NOT APPLICABLE TO BLEED PORT superheat and higher 9$/9(6 than normal suction 2YHUVL]HG7;9 ,QVWDOOFRUUHFW7;9 pressure Incorrect sensing bulb location ,QVWDOOEXOEZLWKWZRPRXQWLQJVWUDSVLQ RU SRVLWLRQRQVXFWLRQOLQHZLWKLQVXODWLRQ /RZVXSHUKHDWDGMXVWPHQW 5HSODFH7;9 Incorrectly installed, or restricted external Remove restriction, or relocate external equalizer. equalizer line
45 9.0 DIAGNOSTICS & TROUBLESHOOTING 9.9 Service Analyzer Charts (cont.)
THERMOSTATIC EXPANSION VALVES (cont.) SYMPTOM POSSIBLE CAUSE REMEDY 5HIULJHUDQWGUDLQDJHIURPÁRRGHGHYDSRUDWRU Install trap riser to the top of the evaporator coil. &RPSUHVVRUÁRRG EDFNXSRQVWDUWXS ,QRSHUDEOHFUDQNFDVHKHDWHURUFUDQNFDVHKHDWHU 5HSODFHRUDGGFUDQNFDVHKHDWHU needed Unequal evaporator circuit loading (QVXUHDLUÁRZLVHTXDOO\GLVWULEXWHGWKURXJKHYDSRUDWRU 6XSHUKHDWLVORZWR &KHFNIRUEORFNHGGLVWULEXWRUWXEHV QRUPDOZLWKORZ suction pressure /RZORDGRUDLUÁRZHQWHULQJHYDSRUDWRUFRLO (QVXUHEORZHULVPRYLQJSURSHUDLUÁRZ 5HPRYH&RUUHFWDQ\DLUÁRZUHVWULFWLRQ 7;9LVRYHUVL]HG ,QVWDOOFRUUHFW7;9 Sensing bulb is affected by liquid refrigerant or Relocate sensing bulb in another position around the
Diagnostics UHIULJHUDQWRLOÁRZLQJWKURXJKVXFWLRQOLQH circumference of the suction line. Superheat and suction pressure 8QHTXDOUHIULJHUDQWÁRZWKURXJKHYDSRUDWRU Ensure sensing bulb is located properly. ÁXFWXDWH YDOYHLV circuits hunting) &KHFNIRUEORFNHGGLVWULEXWRUWXEHV
0RLVWXUHIUHH]LQJDQGSDUWLDOO\EORFNLQJ7;9 5HFRYHUUHIULJHUDQWFKDQJHÀOWHUGULHUHYDFXDWHV\VWHP and recharge. External equalizer line not connected or line Connect equalizer line in proper location, or remove any plugged EORFNDJH 9DOYHGRHVQRW Sensing bulb lost its operating charge 5HSODFH7;9 regulate at all 9DOYHERG\GDPDJHGGXULQJVROGHULQJRUE\ 5HSODFH7;9 improper installation
46 9.0 DIAGNOSTICS & TROUBLESHOOTING 9.10 Troubleshooting Tips
COOLING MODE TROUBLESHOOTING TIPS INDICATORS DISCHARGE SUCTION SUPERHEAT COMPRESSOR SYSTEM SUBCOOLING PRESSURE PRESSURE Normal: AMPS PROBLEM Normal: See 5°–15°F Charging Chart [2.8° – 8.3°C] Overcharge High High /RZ High High Diagnostics Undercharge /RZ /RZ High /RZ /RZ Liquid Restriction High High (Filter Drier) /RZ /RZ /RZ /RZ,QGRRU$LUÁRZ /RZ /RZ /RZ /RZ /RZ Dirty Outdoor Coil High High /RZ /RZ High Low Outdoor High High Ambient Temperature /RZ /RZ /RZ
,QHIÀFLHQW High High High Compressor /RZ /RZ Indoor TXV Sensing High High Bulb Charge Lost /RZ /RZ /RZ Poorly Insulated High High High Indoor Sensing Bulb /RZ /RZ
HEATING MODE TROUBLESHOOTING TIPS INDICATORS DISCHARGE SUCTION SUPERHEAT COMPRESSOR SYSTEM SUBCOOLING PRESSURE PRESSURE Normal: AMPS PROBLEM Normal: See 5°–15°F Charging Chart [2.8° – 8.3°C] Overcharge High High 2. High High Undercharge /RZ /RZ 2.RU+LJK /RZ /RZ Liquid Restriction High High (Filter Drier) /RZ /RZ /RZ /RZ2XWGRRU$LUÁRZ /RZ /RZ /RZ /RZ /RZ Dirty Indoor Coil High High /RZ /RZ High Low Indoor Ambient High Temperature /RZ /RZ 2. /RZ
,QHIÀFLHQW High High High Compressor /RZ /RZ Outdoor TXV Sensing High High Bulb Charge Lost /RZ /RZ /RZ Poorly Insulated Outdoor Sensing High High /RZ /RZ High Bulb
47 10.0 OUTDOOR UNIT MAINTENANCE 10.1 Outdoor Coil Cleaning
7KHRXWGRRUIDQGUDZVDLUDFURVVWKHFRLOGXULQJ DQDQJOH:DVKLQJIURPWKHWRSRIWKHFRLOGRZQ RSHUDWLRQZKLFKUHVXOWVLQFRQWDPLQDQWVFROOHFWLQJ from the inside out is the most effective method of RQDQGEHWZHHQWKHDOXPLQXPILQV7KHVH cleaning the coil. The exterior louver panels and FRQWDPLQDQWVUHVWULFWWKHDLUIORZWKURXJKWKHFRLO unit top are easily removable to facilitate the coil resulting in reduced capacity and efficiency and FOHDQLQJWDVN increases the temperature of the components that can reduce their life. Therefore, it is recommended >(9505.!+PZJVUULJ[LSLJ[YPJHSWV^LY[V that the outdoor coil be cleaned at least annually [OL\UP[ILMVYLYLTV]PUN[OL[VWWHULSVYHU` by a qualified service technician using a non- LSLJ[YPJHSWHULSHZ[OLMHUTV[VYJV\SKZ[HY[H[ FRUURVLYHFRLOFOHDQHUDQGORZSUHVVXUHZDWHU HU`[PTLHUKSP]LLSLJ[YPJHSJVUULJ[PVUZ^PSSIL KRVHVSUD\HU&DUHPXVWEHWDNHQQRWWRGDPDJH L_WVZLK or flatten out the fins by spraying the fins from
10.2 Cabinet Cleaning and Care
Annual cleaning of the exterior cabinet is UHFRPPHQGHGXVLQJDPLOGGHWHUJHQWZDWHUDQG cloth/sponge to remove dust, mold, and potentially corrosive contaminants that have collected on the cabinet. It is also recommended to apply a good TXDOLW\DXWRPRWLYHZD[WRWKHSDLQWHGPHWDOFDELQHW parts annually to protect the finish and to restore WKHJORVVRIWKHSDLQW'RQRWDSSO\ZD[WRWKH plastic parts. Maintenance 10.3 Motor Lubrication
The bearings in the outdoor motor are pre- lubricated by the motor manufacturer and do QRWKDYHRLOLQJSRUWV7KHPRWRUZLOOUXQIRU DQLQGHILQLWHSHULRGRIWLPHZLWKRXWDGGLWLRQDO lubrication.
10.4 Replacement Parts
Any replacement part used to replace parts originally supplied on equipment must be the same as or an approved alternate to the original part VXSSOLHG7KHPDQXIDFWXUHUZLOOQRWEHUHVSRQVLEOH for replacement parts not designed to physically ILWRURSHUDWHZLWKLQWKHGHVLJQSDUDPHWHUVWKH RULJLQDOSDUWVZHUHVHOHFWHGIRU
48 11.0 WIRING DIAGRAMS 11.1: 2 and 3 Ton Models with ECM Fan Motor 03 90 - 101229 44 2/10/17 REMOTE HEAT PUMP PUMP REMOTE HEAT SINGLE PHASE WITH ECM WIRING DIAGRAM JHB DEMAND DEFROST CONTROL DEMAND DEFROST NON COMMUNICATING TWO STAGE NON COMMUNICATING WIRE NUT WN Y2 Wiring Diagrams BL Y2 Y/BL W
49 11.0 WIRING DIAGRAMS 11.2: 4 and 5 Ton Models with PSC Fan Motor 02 SCONNECT,VOLTAGE AND R___RED W_ _ _WHITE Y_ _ _ YELLOW O___ORANGE PR _ _ PURPLE 90-101229-45 NOTES: 2/9/17 WIRE COLOR CODE REMOTE HEAT PUMP WIRING DIAGRAM SINGLE PHASE WITH PSC DEMAND DEFROST CONTROL DELETEDWHEN PTCR IS USED. T1 NON- COMMUNICATING TWO STAGE BK _ BLACK BR _ BROWN BL _ BLUE G _ _ _GREEN GY__GRAY TO CC 5 BASE, REFERTO SYSTEM SCHEMATICS OR SCHEMATICS ON INDOOR SECTION FOR JHB OPERATIOIN. PHASE PER RATING PLATE. LOWVOLTAGE CONTROLWIRING. SINGLE PHASE CONDITIONS. 8. IS ENERGIZED IN HEATING THIS COMPONENT MODE. LAC/LAR IS NOT USED, CONNECT BLACKWIRE9. IF FROM OFMTO OFC FAN MOTOR. 6. THIS WIREIS USEDTOTURN ON6. THIS STRIP HEAT DURING DEFROST. OMIT CONNECTION FOR MOST ECONOMICAL 7. TO HEAT PUMP MONITOR 2.5VA. MAX.WHEN USED. 2. COMPRESSOR MOTORTHERMALLY PROTECTED AND ALL 3 PHASE ARE PROTECTED UNDER PRIMARY 4. LOWVOLTAGE CIRCUITTO BE N.E.C. CLASS 2WITH A CLASS 2TRANSFORMER 24VOLT, 60 HERTZ. 5. TOTHERMOSTAT SUB 1. CONNECTORS SUITABLE FOR USEWITH COPPER CONDUCTORS ONLY. 3. CONNECT FIELDWIRING IN GROUNDED RAINTIGHT CONDUITTO 60 HERTZ FUSE DI 10. BLACKWIRE FROM SR OUT CONTROL WIRING INFORMATION/ COMPONENT CODE CRANKCASE HEATER CRANKCASE HEATER CONTROL COMPRESSOR DEFROST CONTROL SENSOR DEFROST COIL GROUND, CHASSIS HIGH PRES. CUT COMPRESSOR CONTACTOR LOW AMBIENT COOLING CONTROL LOW AMBIENT RELAY/RELÉ, START RELAY WARNING RELAY AMBIENT SENSOR LOW PRESSURE CUT OUT CONTROL MOTOR OUTDOOR FAN OPTIONAL RUN CAPACITOR REVERSINGVALVE START CAPACITOR 105°C MIN. INFORMACIÓN SOBRE CONEXIONADO AS CC CCH CHC COMP DFC DS GND HPC LAC LAR LPC OFM OPT RC RV SC SR WR FACTORY STANDARD FACTORY OPTION FIELD INSTALLED FACTORY STANDARD FACTORY OPTION FIELD INSTALLED MUST BETHE SAME SIZE ANDTYPE OF INSULATION AS CABINET MUST BE PERMANENTLY GROUNDED AND CONFORMTO I.E.C., N.E.C., ORIGINAL C.E.C. AND LOCAL CODES AS APPLICABLE. LOW VOLTAGE REPLACEMENTWIRE LINEVOLTAGE WARNING WIRING SCHEMATIC Y1 OUT/SALIDA Y1 Y2 TEST/PRUEBA DIAGNOSTIC CODES/ DIAGNOSTIC CÓDIGOS DE DIAGNÓSTICO PRESS/PRES. VENT. MOTOR FAN MOTOR/ Y1 OUT/SALIDA Y1 WIRING DIAGRAM BL Wiring Diagrams BL Y2
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