Guide for Air Conditioning, Refrigeration, and Help the Student
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DOCUMENT RESUME ED 251 645 CE 040 232 AUTHOR Henderson, William Edward, Jr., Ed. TITLE Art::culated, Performance-Based Instruction Objectives Guide for Air Conditioning, Refrigeration, and Heating. Volume II(Second Year). INSTITUTION Greenville County School District, Greenville, S.C.; Greenville Technical Coll., S. PUB DATE Oct 84 NOTE 374p.; Prepared by the Articulation Program Task Force Committee for Air Conditioning, Refrigeration, and Heating. PUB TYPE Guides Clasrroom Use Guides (For Teachers) (052) EDRS PRICE MF01/PC15 Plus Postage. DESCRIPTO. *Air Conditioning; Behavioral Objectives; Competency Based Education; Curriculum Guides; *Equipment Maintenance; Fuels; Jrade 12; *Heating; High Schools; Job Skills; Le.,zning Activities; *Refrigeration; Secondary Education; Solar Energy; Trade and Industrial Education; Units of Study; *Ventilation ABSTRACT This articulation guide contains 17 units of instruction for the second year of a two-year vocational program designed to prepare the high school graduate to install, maintain, and repair various types of residential and commercial heating, air conditioning, and refrigeration equipment. The units are designed to help the student to expand and apply the basic knowledge already mastered and to learn new principles and techniques and to prepare him/her for entry-level work as an apprentice. The seventeen units cover aid conditioning calculations (psychrometrics,residential heat loss and heat gain, duct design and sizing and air treatment); troubleshooting and servicing residential air conditioners; commercial refrigeration; commercial air conditioning; heating systems (electrical resistance heating, heat pumps, gas heating, oil heating, hydronics, solar heating systems); automotive air conditioner maintenance/repair; estimating and planning heating, ventilation, and air conditioning jobs; customer relations; and shop projects. Each unit contains Some or all of these components: unit overview, minimum suggested terminology, task listings, and tasks. A task sheet for each task details the performance objective, performance actions, performance standards, and related technical information. An addendum provides additional materials needed to complete the task. A proficiency report and competency checklist are appeaded. (YLB) *********************************************************************** * Reproductions supplied by EDRS are the best that can be made * * from the original document. ., *********************************************************************** ARTICULATED, PERFORMANCED-BASEDINSTRUCTION OBJECTIVES GUIDE FOR Its AIR CONDITIONING, REFRIGERATION, ANDHEATING %Co VOLUME II (Second Year) 111 (NI O DEVELOPMENT PERIOD FEBRUARY, 1984 - OCTOBER, 1984 U S DEPARTMENT OF EDUCATION -PERMISSION TO REPRODUCETHIS NATIONAL INSTITUTE Of EDUCATION MATERIAL HAS BEENGRANTED BY I, dtt INA( 141.0 1, (AMA LION 1...!}34 .1141(.. I. .. .. .. #.4I .ss ,...! . t"8,. ,0,1/.1fao .. TO THE EDUCATIONALRESOURCES INFORMATION CENTER (ERIC)." PREPARED BY ARTICULATION PROGRAM TASK FOPCE COMMITTEE FOR AIR CONDITIONING, RZFRIGERATION,AND HEATING REPRESENTING THE SCHOOL DISTRICT OF GREENVILLECOUNTY AND GREENVILLE TECHNICAL COLLEGE GREENVILLE, SOUTH CAROLINA PUBLICATION OF ARTICULATION PROGRAM CF THE SCHOOL DISTRICT OFGREENVILLE COUNTY AND GREENVILLE TECHNICAL COLLEGE OCTCBE , 1984 EDIrION I ti ARTICULATED, PERFORMANCE -BASED CURRICULUM GUIDE THE SCHOOL DISTRICT OF GREENVILLE COUNTY DR. J. FLOYD HALL SUPERINTENDENT DR. NORMAN MULLINS ASSOCIATE SUPERINTENDENT FOR EDUCATIONAL DEVELOPMENT MRS. DORIS CLANTON DIRECTOR, INSTRUCTIONAL SERVICES MR. O. RICHARD COTHRAN, JR. CONSULTANT, VOCATIONAL EDUCATION ARTICULATION GUIDE THE SCHOOL DISTRICT GREENVILLE OF GREENVILLE COUNTY AND TECHNICAL COLLEGE THE SCHOOL DISTRICT OF GREENVILLE COUNTY GREENVILLE, SOUTH CAROLINA 1984 3 Henderson, Wm. Edward Jr., ed. Articulated, Performanced-based Instruction Objectives Guide forAir Conditioning) Refria: eration, and Heating - Vol. II. Greenville, SC: Articulation Program of The. School Districtof Greenville County and Greenville Technical College,1984. ACKNOWLEDGEMENT The Articulated, Performanced-basedInstruction Objectives Guide for Air Conditioning,Refrigeration) and Heating is the product of the work of the followinginstructor Task Force Committee participants representing thesecondary programs of The School District of Greenville County and thepost-secondary similar program at GreenvilleTechnical College. Donaldson Career Center Will iam H. Moon Enoree Career Center Alvin P. Granger Foothills Career Center Broadus R. Abbott Jr. Golden Strip Career Center Tom M. McKinney Greenville Technical College Ralph Johnston The cooperation of theinstructor participants and others representing The School Districtof Greenville County,Greenville Technical College, the SouthCarolina State Department of Education and the South Carolina StateBoard for Technical andComprehensive Education is appreciated. Typist Teresa Everett, Program Secretary i OLIORIMIUATION PROHIBITED Title VI of the Civil Rights Acts of 1964 states: "No person in cne 'Jniced States, snail, on the grounds of race, color, or national origin, oe excluded from parti- cipation in, be denied the oenetit of or oe auojected to discrimination .mder any program or activity receiving federal financial assistance."The Occupational Education Articulation Program is operated in compliance with tnis Law. The opinions expressed herein do not necessarily reflect the position or policy of the funding or sponsoring organizations and no official endorsement ty those organizations should oe inferred. BIAS STATEMENT Articulated, performance-based instruction guides are developed based upon tasks (objectives) important to the success of entry level workers. The objectives are derived from task analysis and available tasks lists such as V-TEC Catalogs. Standards of performance are those expected by local businesses and industries for job success. Test samples are included to represent valid and reliable measures of vocational competency. Articulated, performance-based instruction documents are designed to comply with the requirements of PL 94-482 Educational Amendments of 1976, Title II, which is intended to "...ensure that...curricula do not reflect steno types based upon sex, race, or national origin..." COPYRIGHTED DISCLOSURE STATEMENT Every effort has been made to appropriately document any copyrighted material used in this articulated, performance-based instruction document. Many ideate and models, however, have evolved from years of research and experience and often are difficult to precisely credit. The objectives and task actions of the articulated guides are developed or con- tributed by task force committee (instructor) participants based on their expertise and on task lists from resources such as V-TEC Catalogs. Standards included in guides are those identified oy Local potential employers as important to the success of entry level workers. Sample knowledge and performance tests are in- cluded to represent valid and reliable test items that nay be used to measure mastery of objectives. Test samples taxon from texts or worK000ks typically are :nose being used Locally and appropriate documentation has been included. RIGHTS RESERVED :Lgnca reserved. No part of this document tay oe reproduced, accred a :it:lava:. system, :r transmitted,Ln any form or ay any means, 113ct:dr...a*, ;notocopyIng, recording or otherwise, witnout tne prior wrL:ten pecm;.as:zn of :Aft wrltar/puolianer. :;m. Eduard 3enderson Jr.,, Coordinator 2ccupational Education Articulation Program 7he Scnool Oistrict of CceenytIle County ana ;rgenville :to:mica:. College BESTNI?MIME CONTENTS AIR CONDITIONING, REFRIGERATION, ANDHEATING SECOND YEAR I Units 18.0, 19.0, 20.0 and 21.0 - Air Conditioning Calculations 2 Basic Air Conditioning Formulas 3 Minimum Suggested Terminology 4 Suggested Instruction Times 5 Unit 18.0 - Psychrometrics 7 Suggested Instruction Times 8 Task Listings 9 Determine Dew-Point Temperature of Air 10 Determine Relative Humidity 12 Determine Relative Humidity From Dry-.sand Wet-Bulb Temperatures 15 Determine Dew-Point From Dry- and Wet-Bulb Temperatures 16 Determine How Outside Air Should be Conditioned . 17 Unit 19.0 - Residential Heat Loss and Heat Gain 20 Minimum Suggested Terminology . 21 Suggested Instruction Times 22 Task Listings 23 Compute Heat Loss and Heat Gain of Residence . 24 Calculate Comfort Cooling Heat Load 28 Select Heating/Cooling Equipment for Residence . 31 Unit 20.0 - Duct Design and Sizing 33 Minimum Suggested Terminology 34 Suggested Instruction Times 36 Task Listings 37 Design Duct System for Structure 38 Select Registers/Grilles for Heating/Cooling . 39 Measure Air Flow Through Duct System 40 Measure Air Velocity in Duct 42 Measure Air Velocity/Air Flow Pattern 43 Balance System 44 iii Unit 21.0 - Air Treatment 48 Minimum Suggested Terminology. 49 Suggested Instruction Times 50 Task Listings 51 Identify Common Residential Air TreatmentTechniques 52 Install Humidifier with Low Voltage Controls . 55 Install Power Humidifier in Duct System 56 Install an Electronic Filter 58 Wire Compressor and Fan Motor 59 Charge a Dehumidifier 60 Unit 22.0 - Troubleshoot and Service ResidentialAir Conditioners 61 Standards 62 Suggested Instruction Times 64 Related Tasks 65 Task Listings 66 Summary cf Relevant Tasks 68 Check Out Air Condense-/Condenser Fan Motor . 70 Check Evaporator: Pressure Drop Across it and Blower 72 Check OutCompressor: Electrical and Freon Pressure 74 Check Metering