Danfoss Scroll Compressors DCJ 091-121

Application guidelines

Danfoss scroll compressors DCJ 091-121

50 Hz - 60 Hz - R410A

http://cc.danfoss.com

Content

GENERAL INFORMATION...... 4 Manage superheat...... 21 Requirement...... 21 Evaluate the risk...... 21 PRODUCT INFORMATION...... 5 Test, criteria and solutions...... 22 Features...... 5 Manage off cycle migration...... 23 Overview...... 5 Requirement...... 23 How do IDVs work?...... 5 Evaluate the risk...... 23 Test, criteria and solutions...... 24 Compressor model designation...... 6 On/off cycling (cycle rate limit)...... 24 Nomenclature...... 6 Provide power supply and electrical Technical specifications...... 7 protection...... 25 50-60 Hz data...... 7 Wiring information...... 25 Dimensions...... 8 Control logic...... 26 Single compressors...... 8 Safety control logic requirements...... 26 Tandem assemblies...... 9 Cycle rate limit requirements...... 26 Electrical data, connections and wiring10. Oil management logic recommendations.... 26 Motor voltage...... 10 Defrost logic recommendations...... 27 Wiring connections...... 10 Pump-down logic recommendations...... 27 IP rating...... 11 Reduce moisture in the system...... 28 Three phase electrical characteristics...... 11 Requirements...... 28 Motor protection...... 12 Solutions...... 28 Approval and certificates...... 13 Low voltage directive...... 13 INTEGRATION INTO SYSTEMS...... 29 Machines directive...... 13 Pressure equipment directive...... 13 Assembly line procedure...... 29 Internal free volume...... 13 Compressor storage...... 29 Compressor holding charge...... 29 Handling ...... 29 SYSTEM DESIGN...... 14 Piping assembly...... 30 Design piping...... 14 System pressure test and leak detection...... 30 General requirements...... 14 Vacuum evacuation and moisture removal...31 Tandem requirements...... 15 Refrigerant charging...... 31 Dielectric strength and insulation resistance Design compressor mounting...... 16 tests...... 31 General requirements...... 16 Single requirements...... 16 Commissioning...... 32 Tandem requirements...... 16 Preliminary check...... 32 Initial start-up...... 32 Manage sound and vibration...... 17 System monitoring...... 32 Compressor sound radiation...... 17 Oil level checking and top-up...... 32 Mechanical vibrations...... 18 Gas pulsation...... 18 Dismantle and disposal...... 33 Manage operating envelope...... 19 Requirement...... 19 ORDERING INFORMATION...... 34 Evaluate the risk...... 20 Test, criteria and solutions...... 20 Packaging...... 34 Ordering codes...... 35 Accessories...... 37

FRCC.PC.042.A2.02 3 ORDERING INFORMATION INTEGRATION INTO SYSTEM SYSTEM DESIGN PRODUCT INFORMATION GENERAL INFORMATION 4 General Information FRCC.PC.042.A2.02 reliability risk. This icon to indicates avoid instructions safety risk. This icon to indicates avoid instructions highlighted withthefollowing icons: safety and reliability. are Related instructions Particular emphasishasbeenplaced on andto valid Europeanart andUSregulations. accordingmanufactured to thestate ofthe Danfoss scroll compressors are designed and R manufacturer. of thecompressor into theunitby thesystem asaresultliability oftheimproper integration any In case, DanfossSupport. accepts no guidelines, Danfoss pleasecontact Technical Forinstructions. any deviation from the You are strongly adviseto follow these customers qualifycompressors intheunit. The ofthisguidelineisto purpose help How doIDVs work? Overview Features efficiency. energy system’s seasonal the improving and consumption electrical its and motor the of effort the reducing thus system, the in conditions pressure and load varying to the motor the of effort the adapt They point. optimization built-in the below falls pressure discharge when open IDVs The capacity. cooling same the maintaining of refrigerant under part-load conditions while compression excessive reduce compressor. They the of side discharge to the close located are Valves (IDVs) Discharge Intermediate Danfoss efficiency andincreased lifeefficiency time. an improved design to achieve thehighest scrollDCJ091-106-121 compressor benefitfrom High Efficiency Motor Motor Efficiency High under lubrication poor conditions Carbon Bearing improve behavior profile scroll R410A dedicated and optimized Pressure Plate Separator Valve Internal Reverse Rotation Protection increase seasonal efficiency (IDVs) valves discharge Intermediate FRCC.PC.042.A2.02 5

ORDERING INFORMATION INTEGRATION INTO SYSTEM SYSTEM DESIGN PRODUCT INFORMATION GENERAL INFORMATION ORDERING INFORMATION INTEGRATION INTO SYSTEM SYSTEM DESIGN PRODUCT INFORMATION GENERAL INFORMATION 6 Compressor designation model Nomenclature FRCC.PC.042.A2.02 Model varia ARI conditions In thousandBtu/hat60H Nominal capacity: J:R410A,PVEL Refriger C:C F D:Danf Application: amily: T: Designoptimizedf ommercial scroll ant &L oss AirC tion: ubricant: ubricant onditioning or 7.2/54.4°C z, below presents thecompressor nomenclature assembled intandemcombinations. The example available assingle compressor andcanbe Danfoss scroll compressor for DCJ R410Ais DCJ T ype 091 Siz eM T4L otor Fe C6 atures 8 6 Motor v Motor pr T L: internalmotorprotec 9: 380V/3~/60H 7: 575V/3~/60H 4: 380-415V/3~/50H 2: 200-220V/3~/50H C: brazedconnec P: brazedconnec ubing andelec Oil sight O None None glass ther features oltage c otec

information”. for ordering are listed insection “Ordering on thecompressor nameplate. Code numbers which equalsthetechnical reference asshown Oil equali- Brazed tion sation od None e trical c z z tions tions z &208-230V/3~/60H z &460V/3~/60H , spadeterminals , screwterminals onnec tion None None drain Oil tions LP gauge None None por z t z li-sation por Gas equa- Brazed None t Technical specifications  50-60 Hz data50-60 Hz TR: Ton ofRefrigeration,  EER: Energy Efficiency Ratio EER: Energy Efficiency Data given for motor code 4compressor, for tablesrefer fulldata detailsandcapacity to OnlineDatasheet Generator: www.danfoss.com/odsg to modification notification. withoutprior Subject data test run-in72hrs after All performance COP: Of Coefficient Performance, Netweight withoilcharge at Displace 3500rpm 60Hz ment at at nominalspeed:2900rpm 50Hz, 60Hz 50Hz Model DCJ091 DCJ091 DCJ106 DCJ106 DCJ121 DCJ121 tons 60 Hz 60 tons Nominal Nominal 7.5 7.5 TR 10 10 9 9 Standard rating conditions: ARIstandard Refrigerant: R410A 27084 25794 35723 29336 31472 22114 Nominal cooling Nominal W capacity 100124 121921 107412 88032 92437 75476 Btu/h Power 11122 input 6990 9671 8393 9333 8123 W W/W COP 3.25 3.23 3.21 3.16 3.18 3.14 Evaporating temperature: 7.2°C Condensing temperature: 54.4°C Btu/h/W 10.84 10.80 E.E.R. 10.96 10.73 11.01 11.11 cm volume Swept Swept 101.6 101.6 116.4 116.4 86.9 86.9 3 /rev Displace ment  ment 20.24 24.43 18.24 21.34 17.68 15.11 m 3 /h - Oil charge Oil FRCC.PC.042.A2.02 Superheat: 11.1K Subcooling: 8.3K 2.46 2.46 2.46 2.46 2.46 2.46 dm 3 Net weight weight Net kg 49 49 49 49 49 49  7

ORDERING INFORMATION INTEGRATION INTO SYSTEM SYSTEM DESIGN PRODUCT INFORMATION GENERAL INFORMATION ORDERING INFORMATION INTEGRATION INTO SYSTEM SYSTEM DESIGN PRODUCT INFORMATION GENERAL INFORMATION 8 DCJ091-106-121 Single compressors Dimensions FRCC.PC.042.A2.02 Terminal box 508.3 T₃ R 22.31 -22.48 Discharge line T₁ C 122.9 133 92.0 -94.0 Ring connect screw connect terminals Ring 311.4 78.5 -80.5 C terminal box type All dimensionsinmm DCJ091-106-121 95.25 34° 183.14-185.14 190.25-190.75 239 31° 45° T₂ S 28.65 -28.83 Suc 14° tion line 125.1 Mounting grommet 41 11 Nm (±1Nm) 11 Nm Recommended torque for mounting bolts: 29.5 95.25 10.9 4 xØ19.0-20.0 1.7 190.25-190.75 375.2 Ø 41 535.5 239 Ø11 self tapping 5/16” -18UNC Tandem assemblies Dimensions Tandem model DCJ242 DCJ182 DCJ212 DCJ211 DCJ091 + DCJ091 + DCJ091 DCJ106 + DCJ106 + DCJ106 DCJ091 +DCJ121DCJ091 DCJ121+ DCJ121 DCJ121+ Composition W L (mm) L 676 676 676 676 H H (mm) H 575 575 575 575 W (mm) W 404 404 404 404 L Outline drawing number drawing Outline FRCC.PC.042.A2.02 8556178 8556178 8556178 8556178 9

ORDERING INFORMATION INTEGRATION INTO SYSTEM SYSTEM DESIGN PRODUCT INFORMATION GENERAL INFORMATION 10 ORDERING INFORMATION INTEGRATION INTO SYSTEM SYSTEM DESIGN PRODUCT INFORMATION GENERAL INFORMATION Terminal cover removal Wiring connections Motor voltage Electrical data, andwiring connections Electrical FRCC.PC.042.A2.02 operates direction inthecorrect installationduring to ensure that thecompressor of thesuppliedpower. Care mustbetaken dependingonthephaseangles either direction, phase motors, however, andrunin willstart (when viewed from thecompressor top). Three- compress gaswhilerotating counter-clockwise Danfoss Scroll Compressors willonly DCJ Danfoss scroll compressors are DCJ available infour different motor voltages aslisted below. over oneorseveral phases, leadsto whichinturn 2%. Voltage imbalance causeshighamperage The maximumallowable voltage imbalance is V1-2 = Voltage between phases1and2. Vavg voltage =Mean ofphases1,2,3. 60 Hz 60 50 Hz 50 Hz push Motor voltage code voltage Motor Voltage range Nominal voltage Nominal Voltage range voltage Nominal imbalance % voltage = T₃ R T₁ C 200-220V-3 ph 200-220V-3 208-230V-3 ph 208-230V-3 Ring connect screw connect terminals Ring 180-242V* 187-253V* Code 2 Code | Vavg - V1-2 |+ Vavg - V1-3 |+ Vavg - V2-3 | C terminal box type push 380-415V -3ph 380-415V are labelled C (common), S (start), andR(run). are labelledC(common), S(start), T3. For applications theterminals single-phase applications, theterminals are labelled T1, T2, and thecompressor.when wiring For three phase labelling andshouldbeusedasareference The drawings terminal below show electrical protection”). (see “Phase sequence andreverse rotation V2-3 = Voltage between phases2and3. V1-3 = Voltage between phases1and3. imbalance isgiven by theformula: overheating andpossiblemotor damage. Voltage 460V -3ph 460V 342-457 V 342-457 414-506 V 414-506 Code 4 Code 2 x Vavg2 T₂ S 575V -3ph 517-632 V 517-632 Code 7 Code - - 380V -3 ph 380V push x100 342-418V Code 9 Code - - Electrical data, andwiring connections Electrical IP rating characteristics Three phaseelectrical The IP rating can be upgraded to IP54 with an accessory kit (see section The (seesection IPrating canbeupgraded kit to IP54withanaccessory “Accessories”). Second numeral, level ofprotection againstwater ofprotection andforeign againstcontact level objects numeral, First sizedcorrectly cableglandsoftheIPrating isapplied. The compressor terminal box according to IEC529is IP22for allmodels. IPratings isonlyvalid when 200-220 V / 3ph /50 Hz V/3ph 200-220 380-415 V / 3ph /50 Hz 380-415 V/3ph 208-230 V / 3ph /60Hz V/3ph 208-230 Motor voltage code 4 code voltage Motor Motor voltage code 2 code voltage Motor Motor voltage code 9 code voltage Motor Motor voltage code 7 code voltage Motor 575 Hz /60 V/3ph 380 V / 3ph / 60 Hz /60 V/3ph 380 460 V / 3ph /60Hz V/3ph 460 - protection against dripping water2 -protection againstdripping whentilted upto 15° size over2 -protection againstobject 12.5mm(fingersofsimilar) Compressor model DCJ091 DCJ091 DCJ091 DCJ091 DCJ106 DCJ106 DCJ106 DCJ106 DCJ121 DCJ121 DCJ121 DCJ121 LRA 250 250 265 125 125 125 155 155 155 110 110 110 A MCC 43.5 30.0 26.0 25.0 20.0 25.0 45.0 53.0 18.0 31.0 27.6 17.6 A Max. operating current operating Max. 26.5 36.4 23.0 20.0 20.0 42.0 14.0 22.1 21.3 50.1 15.4 17.8 A FRCC.PC.042.A2.02 Winding resistance Winding 0.28 0.28 0.26 1.60 1.60 1.60 0.70 0.70 0.70 1.10 1.10 1.10 Ω 11

ORDERING INFORMATION INTEGRATION INTO SYSTEM SYSTEM DESIGN PRODUCT INFORMATION GENERAL INFORMATION 12 ORDERING INFORMATION INTEGRATION INTO SYSTEM SYSTEM DESIGN PRODUCT INFORMATION GENERAL INFORMATION LRA (LockedLRA Rotor Amp) Winding resistance operatingMax. Current Current) MCC Continuous (Maximum rotation protection Phase sequence andreverse data, andwiring connections Electrical Motor protection FRCC.PC.042.A2.02 LRA value canbeusedasaroughLRA estimation for compressors tested undernominalvoltage. The current asmeasured onmechanically blocked Locked Rotor Amp value isthehigheraverage Max Oper.Max cablesand Acanbeusedto select conditions and10%below nominalvoltage. the compressors operate at maximumload The max.operating current isthecurrent when maximum at whichthecompressor can be low voltage conditions. This MCC value isthe undermaximumloadand protection trips The MCC isthecurrent at whichthemotor formula: resistance mustbecorrected usingthefollowing at adifferent value than25°C,themeasured temperature. thecompressor If isstabilised Winding resistance variesstrongly withwinding measure under stabilisedambient temperature. Use adigital ohm-meter, a"4wires" methodand requires adapted tools for precise measurement. Winding resistance isgenerally low andit phases at 25°C (resistance value +/-7%). Winding resistance istheresistance between discharge; and suction linewarming ratherdischarge; than andsuction no pressure differential and between suction Reverse rotation results inexcessive noise; motor willrunequallywell inbothdirections. respectively. For compressors, three-phase the phases L1,L2andL3to terminals T1, T2 and T3, establish thephaseorders line and connect Usein asingledirection. aphasemeter to overheating. They are designed to interrupt. protectorsInternal respond to over-current and bimetalswitch. action is anautomatic reset device, containing asnap mounted onthe motor windings. The protector equipped withaninternal linebreak protector Danfoss Scroll Compressors are series DCJ R The compressor willonlyoperate properly can be applied to reduce starting current.can beappliedto reduce starting current willbelower.real starting starter Asoft current. However,the starting inmostcases, the

R t Coefficient a=234.5 R Oper. A.value. current consumption isalways lessthantheMax contactors. operation, normal thecompressor In t R compressor to protect themotor. the modulewillcut-out electronic the external the application envelope. Above thisvalue, operated intransient conditions andoutof

out thecompressor from operation inreverse. required. The phasemonitor shouldlock selected For compressors series, DCJ phasemonitors are direction. areand auxiliaries rotating inthecorrect power isproperly phasedandthat compressor tobe present verify that at supply initialstart-up immediate cooling. technician should Aservice hours. ambient temperature, thismay takeupto several cool down to about60°Cto reset. on Depending theinternal overloadIf protector out, itmust trips failure. runningoverload,such asfailure to start, andfan Motor current offaultconditions, undera variety amb 25°C 25°C amb tamb : temperature measurement during (°C) :reference temperature =25°C : windingresistance at tamb : windingresistance at 25°C =R 25°C ______a +t a +t 25°C amb Approval andcertificates 2014/35/EU Machines directiveMachines Internal free volume 2006/42/EC Low voltage directive 2014/68/EU directive Pressure equipment approvals andcertificates. scrollDCJ compressors comply withthefollowing Other approvals /certificates approvals Other (Underwriters Laboratories) UL (European Directive) CE ref. Low voltage Directive 2014/35/EU Directive voltage Low ref. conformity of Declaration Machines Directive 2006/42/EC 2006/42/EC Directive Machines ref. of incorporation declaration Manufacturer’s DCJ091-106-121 Evaluation module PEDCategory Refrigerant fluids

Products Products Products Products Contact Danfoss Contact All models All models http://www.danfoss.com/odsg areCertificates listed datasheets: ontheproduct Internal free volume at LP side without oil (litre) oil without side LP at volume free Internal Contact Danfoss Contact Contact Danfoss Contact DCJ091-106-121 DCJ091-106-121 DCJ091-106-121 No scope Group 2 Group 5.75 I FRCC.PC.042.A2.02 13

ORDERING INFORMATION INTEGRATION INTO SYSTEM SYSTEM DESIGN PRODUCT INFORMATION GENERAL INFORMATION 14 ORDERING INFORMATION INTEGRATION INTO SYSTEM SYSTEM DESIGN PRODUCT INFORMATION GENERAL INFORMATION General requirements Design piping FRCC.PC.042.A2.02 surrounding structure, unlessaproper tubing withthe shouldnotbeincontact vibration. It flexibility to avoid excessthree-dimensional 3. Piping shouldbedesigned withadequate “Manage oilinthecircuit”.“Manage piping slopes…). For validation tests seesection minimum loadconditions (refrigerant speed, 1. Ensure adequate oilreturn, even under Proper shouldbeemployed pipingpractices to: max. 4m max. 4m g .1 8 to12m/s U-trap 4 m/sormor 0.5 %slope 4 m/sormor 0.5 %slope U-trap , asshor , , asshor e t aspossible , e t aspossible Evaporator U-trap To condenser SOUND AND VIBRATION”.SOUND on: on noiseandvibration, seesection “MANAGE mount hasbeeninstalled. For more information figures below: General recommendations are inthe described tests seesection cycle migration”. off “Manage (discharge pipingupperloop). For validation draining backto thecompressor whenstopped 2. Avoid condensed liquidrefrigerant from U-trap fig . 2 HP LP 3D flexibility Upper loop C ondenser Tandem requirements Design piping ** Right suction connection suction* connection Left DCJ182 DCJ212 DCJ242 DCJ211 DCJ211 Tandem model Comp.1 DCJ091 DCJ091 DCJ106 DCJ121 DCJ121 Comp.2 DCJ091 DCJ091 DCJ106 DCJ121 DCJ121 essential to equalize thepressure ofcompressor onmanifold Depending configuration, itis tables. drawings are available asindicated infollowing For eachtandemconfiguration, specificoutline be mounted intandem assemblies. Danfoss scroll DCJ compressors inC8version can oil equalization pipingdesigns. gravity. This isensured by and aprecise suction equalize oillevel between thecompressors by tandemusestatic toDCJ oilbalancingprinciple R Suction (in) Suction 1-5/8" 1-5/8" 1-5/8" 1-5/8" 1-5/8" Discharge (in) 1-1/8" 1-1/8" 1-1/8" 1-1/8" 1-1/8" equalization equalization (mm) 3/8" 3/8" 3/8" 3/8" 3/8" Oil Oil Comp1 equalization equalization 1-1/8" 1-1/8" 1-1/8" 1-1/8" 1-1/8" (mm) Gas Gas further information. further of thisdocument. Please Danfoss contact for design considerations that gobeyond thescope Such manifolding applications require special and right sidedischarge headerare possible and isshown withtees, to indicate that bothleft The onoilbalancing discharge lineasnoimpact straight lengths…) drawing mustberespected (diameters, minimum andoilequalization piping Suction on certain compressors accordingon certain to tablebelow. sumps. Hence, washer mustbeadded asuction Not needed Not needed Not needed Not needed 5311983P01 R Suction φ(MM)r washer (φ19.5) Comp2 Not supplied Not kit accessory trio or tandem in Included scution of scution Washer in Washer Comp 2 Comp Kit tandem 120Z0636 120Z0636 120Z0636 120Z0636 120Z0636 Code No Code FRCC.PC.042.A2.02 drawing 8556178 8556178 8556178 8556178 8556178 number Outline Outline 15

ORDERING INFORMATION INTEGRATION INTO SYSTEM SYSTEM DESIGN PRODUCT INFORMATION GENERAL INFORMATION 16 ORDERING INFORMATION INTEGRATION INTO SYSTEM SYSTEM DESIGN PRODUCT INFORMATION GENERAL INFORMATION Parallel mounting feet Tandem requirements Single requirements General requirements Design compressor mounting FRCC.PC.042.A2.02 in the tandem kit 120Z0636)ontherails.Rubber in thetandemkit mounted withrigid mounting spacers(included For parallel mounting, thecompressor mustbe This boltmustbetightened to atorque of11Nm. compressorsthe DCJ091-109-121 isM8*40mm. sleeve isestablished. The required boltsize for between theflat washer andthesteel mounting The grommets mustbecompressed until contact 120Z5064 grommets kit Mounting ,accessory Compressors come DCJ delivered withflexible mounted withrigid mounting spacers onto rails Compressors usedinparallel application mustbe mounted withflexible grommets. Compressors usedinsingleapplications mustbe compressor)must beinstalledbelow therails. grommets andsleeves (delivered withthe planemustnotexceedthe vertical 3degrees. operation,During themaximuminclination from with flexible grommets onto frame. and themanifold assemblymustbemounted 41 11 Nm (±1Nm) 11 Nm Recommended torque for mounting bolts: 29.5 1.7 Not supplied Not kit accessory trio or tandem in Included Supplied with the compressor Ø 41 Ø11 self tapping 5/16” -18UNC Manage soundandvibrationManage radiation Compressor sound directions. are travelling from directly themachineinall the emissionpath isairandthesoundwaves For soundradiating from thecompressors, • radiation• Sound (through air) broken down into thefollowing three categories: Typical soundsandvibrations insystems canbe  Attenuation given withacoustic hoodonly powerSound andattenuation are given at ARIconditions, measured infree space L Example for (50Hz) =2xDCJ091 thetandemDCJ182 L L - For compressors runningsimultaneously, soundis+5dBA Maximum Materials are ULapproved compliant andRoHS Acoustic hoodcould beappliedfor bothsingleandtandemversion compressors compressors soundradiations: We canconsider two meansto reduce methods: Mitigations reliability. oncompressorThis phenomenon hasnoimpact at shutdown andshould belessthan3seconds. of thissounddependsonthepressure difference reverse rotation soundisgenerated. The duration compressorNote: During shutdown, ashort structure) and vibrationsMechanical (through parts DCJ182 DCJ091 GLOBAL DCJ121 DCJ106 DCJ091 Tandem Compressor model =75+10Log =75dB(A) =Li+10Log • theglobalsoundlevel of “n” identical compressors is: Model 10 10 2=78dB(A) n DCJ211 DCJ242 DCJ212 DCJ182 Sound power dB(A) 75 75 75 50 H z Attenuation DCJ091+DCJ121 dBA  dBA Composition 2xDCJ106 2xDCJ121 2xDCJ091 6 6 6 • For compressors runningalone: levelsSound are asfollows: sources. methods ofmitigation for eachoftheabove The following focus sections onthecausesand pulsation (through• Gas refrigerant) radiation. of unitpanelsisalsoaneffective means to reduce 2. Use ofsound-insulation materials ontheinside for soundlevels, attenuation andcode numbers. Danfoss asaccessories. Refer to thetableabove compressors. Acoustic hoodsare available from and donotincrease the overall size ofthe 1. Acoustic hoodsare quickandeasyto install Sound power dB(A) 78 78 78 60 H 60 50 H 78 78 78 78 z Attenuation z dBA  dBA 5 5 5 FRCC.PC.042.A2.02 Acoustic hood code number 60 H 60 120Z5085 120Z5085 120Z5085 81 81 81 81 z 17

ORDERING INFORMATION INTEGRATION INTO SYSTEM SYSTEM DESIGN PRODUCT INFORMATION GENERAL INFORMATION 18 ORDERING INFORMATION INTEGRATION INTO SYSTEM SYSTEM DESIGN PRODUCT INFORMATION GENERAL INFORMATION Gas pulsationGas vibrationsMechanical soundandvibrationManage FRCC.PC.042.A2.02 level can vary during time. during level canvary lagged sources ofgaspulsation. Therefore pulse Manifolded compressors are equivalents to encountered airconditioning pressure ratio. has beenoptimize for themostcommonly designed andtested to ensure that gaspulsation The Danfoss scroll compressor hasbeen DCJ from thecompressor baseplate to theunit been properly mounted, vibration transmitted Once thesuppliedrubbergrommets have scrollsupplied withallDCJ compressors. compressor(s) to theunit. Rubbergrommets are in reducing vibration beingtransmitted from the on theframe effective ofa manifolded unitisvery rubber isolators onthecompressor baseplate or minimal vibration operations. during The useof scroll compressors are designed to produce method for controlling vibration. structural DCJ Vibration isolation constitutes theprimary and masscanbeinstalled. muffler withtheappropriate resonant volume anunacceptableIf level isidentified, adischarge methods: Mitigations considerations”. entitled the section “Essential pipingdesign more information onpipingdesign, pleasesee flexibility.designed for three-dimensional For anyincurring damage. Tubing shouldalsobe andwithstandvibrationstructures without reduce thetransmission ofvibrations to other The tubingshouldbedesigned soasto both vibration potentially transmitted to theframe. and stiffness to helpdampenany residual the mounted compressor beofsufficient mass that theframe supporting extremely important addition,itis minimum.In are heldto astrict Manage operatingManage envelope Requirement **Recommended pump-down switch settings:2.5barbelow nominalevap.**Recommended pump-down allowable*Maximum pressure onhighpressure sideaccording to PEDregulation. beyond itsspecificapplication envelope. not protect thecompressor againstoperations if thehighandlow pressure switch settingsdo Gas Temperature isrequired protection (DGT) For compressors, DCJ Discharge the external above. operating envelope andpressure settingtable you mustdefineHPandLPlimitswithin onapplicationDepending operating envelope, within 12hours. to maximum5times number ofauto-restart When causedlow by LPsafety switch, limitthe compressors. be bypassed nordelayed andmuststop allthe Working range high side side high range Working setting** switch pump-down pressure low Minimum setting switch safety pressure low Minimum setting* switch safety pressure high Maximum side low range Working for steady-state andtransient operation. guarantees reliable operations ofthecompressor compressors isgiven inthefigures below and R Condensing temperature (°C) R HP safety switch mustbemanualreset LP andHPsafety switches mustnever The operating envelope for scroll DCJ 10 15 20 25 30 35 40 45 50 55 60 65 70 DCJ with R410A Map (5K) withR410AMap DCJ -40 -35 Pressure settings -30 -25 -20 Evaporating temperature (°C) -15 -10 bar(g) bar(g) bar(g) bar(g) bar(g) gas temperature of135°C. • The DGT shouldbesetto open at adischarge insulatedthermally andtightly fixed onthepipe. compressor andmustbe discharge port discharge linewithin150mmfrom the • The thermostat mustbeattached to the installation below mustrespect requirements: for installation asshown ontheright. DGT 7750009) includesallcomponents required (code The kit discharge gasthermostat accessory suction superheat within5Kto 30Krange.suction Steady-state operation envelope isvalid for a D i s c -5 harg e l i n e 0 B r ac k e t 5 15.8-44.5 1.9-10.8 10 R410A T hermo 2.3 1.5 45 FRCC.PC.042.A2.02 s t a t 15 In s ula t io n 20 25 19

ORDERING INFORMATION INTEGRATION INTO SYSTEM SYSTEM DESIGN PRODUCT INFORMATION GENERAL INFORMATION 20 ORDERING INFORMATION INTEGRATION INTO SYSTEM SYSTEM DESIGN PRODUCT INFORMATION GENERAL INFORMATION Test, criteria andsolutions Evaluate therisk operatingManage envelope FRCC.PC.042.A2.02 Test N° Test 3 2 1 the “continuousthe running area”.running operation in in operation compressor Check the the Check Purpose foreseeable evaporating temperature temperature evaporating foreseeable We ofoperating consider two types envelope management: evaporating temperature (minimum temperature evaporating Perform a start-up test at maximum maximum at test astart-up Perform (max ambient temperature, or start start or temperature, ambient (max Start test at minimum foreseeable foreseeable minimum at test Start See “Test, criteria and solutions” and criteria “Test, See • DGT • Condensing pressure control • switch LP and • HP Basic: Perform a defrost test if reversible reversible if test adefrost Perform device expansion by ensured Pressure) Operating (Max MOP LP switch setting ambient temerature...) Condensing pressure control up with hot water…) hot with up Test condition

DGT unit Running Area Continuous HP switch setting

tests N

o 1 and 2 working in the continuous running in continuous running the working Confirmed compressorstable

MOP + test No3 Pass criteria area. No additional test are test required additional No • DGT • sensor LP and • HP Advanced: integrated into control logic control into integrated transient) and (permanent limits envelope Operating Work on compressor staging, fan Work on compressor staging,fan staging, water flow etc... flow water staging, staging, water flow etc... flow water staging, Improve MOP function. function. MOP Improve Solutions Manage superheatManage Evaluate therisk Requirement Charge limitisdefinedintablebelow: andpotentialthe risk tests to perform. charge evaluate andtheapplication to quickly Use thetables below inrelation withthesystem insulated. the midshell, closedto thelow shell, andbe Oil temperature sensormustbeplaced on onto thedischarge fittingandbeinsulated. Discharge temperature sensormustbeplaced • According to thefloodbackchart superheat mustremain within5Kto• Suction 30K steady stateIn conditions, entering thecompressor isstillinliquidstate. ofthe refrigerant flood backoccurs whenapart the compressor asasuperheated vapor. Liquid operation, normal refrigerantDuring enters Reversible reversible Non Single No test or additional safeties required safeties additional or test No BELOW DCJ091 DCJ106 Models DCJ121 Defrost test c h arg e

l imit • According to thefloodbackchart transient conditions,In can damagecompression parts. extreme situations leadto liquidslugging that Liquid floodbackcancauseoildilutionand, in Composition Liquid flood back test back flood Liquid Liquid flood back test back flood Liquid A BOVE BOVE Defrost test Refrigerant charge limit Refrigerant c h FRCC.PC.042.A2.02 arg e

l imit (kg) 7.2 7.2 7.2 21

ORDERING INFORMATION INTEGRATION INTO SYSTEM SYSTEM DESIGN PRODUCT INFORMATION GENERAL INFORMATION 22 ORDERING INFORMATION INTEGRATION INTO SYSTEM SYSTEM DESIGN PRODUCT INFORMATION GENERAL INFORMATION therefore oilreturn hasto becheckedaccording to section oilinthecircuit”.“Manage sized at least50% ofthetotal system charge. accumulator oilreturn (gasvelocity, Suction dimensionscanimpact oilreturn holesize…), accumulator*Suction offers protection by trapping theliquid refrigerant upstream from the compressor. The accumulator shouldbe Test, criteria andsolutions superheatManage FRCC.PC.042.A2.02 Defrost test back test back flood Liquid Test N° Test cycle defrost during floodback liquid Check Transient Steady-state Purpose A 0°C evaporating temperature). evaporating 0°C the most unfavorable condition (at in out carried be must test Defrost • … • compressor staging staging, • fan unfavorable conditions : most with out carried be Tests must evaporator load (A). load evaporator high pressure ratio and minimum threshold operating conditions: a carried out under expansion valve be must testing back flood Liquid Sump Superheat, K 10 12 14 16 18 0 2 4 6 8 -25 Test condition -20 Acceptable -15 Refer to flood back chart criteria chart back toflood Refer Refer to flood back chart criteria chart back toflood Refer Refer to flood back chart criteria chart back toflood Refer Floodback Requirement Saturated SuctionTemp.°C -10 Pass criteria -5 Unacceptable 0 details see “Control Logic”). “Control see details more (for effect. floodback liquid tolimit out worked be can logic defrost the systems, reversible In 2. Add a suction accumulator*. asuction Add 2. PID.... and chain measurement check (EXV) -For Electronic expansion valve position... bulb check (TXV) valve expansion Thermostatic -For setting. and selection valve 1. expansion Check 2. Add a suction accumulator*. asuction Add 2. setting. and selection valve 1. expansion Check 5 Solutions 10 15 Manage off cycle off migrationManage Evaluate therisk Requirement or directly inliquid-phaseby• ordirectly gravity. condenses inthecompressor. oftheinstallation, refrigerant vapor part • whenthecompressor islocated at thecoldest “Manage superheat”) andtheapplication to superheat”) “Manage charge (refer to charge limittableinsection Use thetablebelow inrelation withthesystem charge limittableinsection superheat”) “Manage must notoverpass thecharge limit(refer to Amount ofliquidrefrigerant inthecompressors Split split Non R Off -cycle -cycle refrigerant migration happens: Off • Liquid Line Solenoid Valve**+ pump-down cycle*** Valve**+ pump-down Solenoid Line • Liquid * Heater Case • Crank are required: safeties the following therefore migration, off-cycle evaluate fully can test no unique, is installation each Since required safeties additional or test No BELOW c h arg e

l imit compression parts. this leadsto liquidslugging that candamage lubrication conditions. extreme situations, In refrigerant diluted intheoilgenerates poor runningagain,the When thecompressor starts and test to perform: safeties definenecessary to implement quickly • External Non Return Valve Return Non • External test • Migration * Heater Case • Crank A BOVE BOVE c h FRCC.PC.042.A2.02 arg e

l imit 23

ORDERING INFORMATION INTEGRATION INTO SYSTEM SYSTEM DESIGN PRODUCT INFORMATION GENERAL INFORMATION 24 ORDERING INFORMATION INTEGRATION INTO SYSTEM SYSTEM DESIGN PRODUCT INFORMATION GENERAL INFORMATION Test, criteria andsolutions cycle off migrationManage limit) cycling (cycle On/off rate Migration test Migration FRCC.PC.042.A2.02 Test N° Test condensating) vapour or (either liquid the compressor into refrigerant of migration no is there that Check Purpose shutdown). (e.g.when themachineisoutofservice seasonal heaters sothat theyremain energized even Provide supplyfor separate the electrical Danfoss (seesection “Accessories”). Crank caseheater accessories are available from compressors are off. The heater mustbeenergized whenever allthe below -5°Candawindspeedabove 5m/second. might beneededincaseofambient temperature Additional heater power insulation orthermal refrigerant. migrationthe compressor of againstoff-cycle The Crank caseheaters are designed to protect * Crank caseheater (CCH) 20°C then start the unit. the start then 20°C reaches temperature condensing saturated When to20°C. equivalent pressure system the Raise . to5°C equivalent a pressure at system non-running the Stabilize CC*.Energize time of 2 minutes so as to provide for sufficient sufficient for as to provide so 2minutes of time running compressor a minimum guarantees away in that designed be must system The interruptions. power brief during may occur which rotation, compressor reverse prevents timer The cycling. compressor limit to timer delay arestart recommends Danfoss insulated. oil sight glassandcompressor baseplate andbe Oil temperature sensormustbeplaced between location area Optimum Test condition • Oil superheat must remain >10K remain must superheat • Oil After compressors has started: off-cycle >10K be must during superheat • Oil there is no liquid refrigerant transfer that glass sight line liquid in • Check When all compressors are idle: Pass criteria sec) time out is recommended. out time sec) (180- Athree-minute unit. motor-compressor the of life 12 than higher service number the reduces hour, per 12 than a more no be must starts There design. system upon depends it since may vary return oil the that Note return. oil proper with along start-up after cooling motor section “Control Logic”. “Controlsection For see cycle more detailsonpump-down compressor. to that, avoid refrigerant condensation inthe lower thanambiance temperature anddue • setthesumpsaturating pressure much • evacuates refrigerant from oil decreasingBy pressure inthesump, pumpdown: cycle ***Pump-down association withtheLLSV. in cycle reduced by usingapump-down further on thelow-pressure sideofthesystem canbe -cycles. off during of The quantity refrigerant against charge transfer to thecompressor on thecondenser side, thereby preventing A LLSVisusedto isolate theliquidcharge **Liquid linesolenoidvalve (LLSV) compressor. the for to aminimumof8hoursprior starting It’s recommended that theheater on beturned efficiency Heater Case Crank Check 4. cycle*** down pump add 3. LLSV** add 2. device, expansion of tightness position, 1. bulb Check Solutions Provide power protection supplyandelectrical Compressor modelDCJ091-106-121 Wiring information Discharge gasthermostat...... Compressor motor...... Fuses...... Fused disconnect...... switchHigh pressure safety control lowPump-down pressure switch... outrelay lock ...... Safety Phase monitor...... Compressor contactor...... Liquid Line Solenoid valveLiquid LineSolenoid ...... Control relay...... timer(3min)...... cycle short Optional Control device...... from operation in reverse. compressor the out lock should monitor phase selected The mandatory. are monitors phase DCJ For Note: The diagrams wiring below are examples for asafe andreliable compressor wiring: • Requirements: “Electrical data, connections andwiring”) data, connections “Electrical characteristics”electrical from thesection Operating Current (seetable phase “Three mustalways10%. Setting belower thanMax you canface ontheapplication andadd For overload setting, takethemax current still advisablefor ormanualreset. eitheralarm overloadAn additionalexternal protection is ...... 180 s LLSV DGT HPs KM PM Q1 TH KA KS F1 LP M CONTROL CIRCUIT F1 Wiring diagram with pump-down cycle Wiring diagram withpump-down KM F1 KM KA KS LP KA KA • • seasonal shutdown). (e.g.when themachineisoutofservice heaters sothat theyremain energized even Provide supplyfor separate the electrical be eitherhardware managed. orsoftware safety devices suchasLPcan safety chain.Other HP safety switch andDGTmustbewired in the LLSV A1 A2 KS TH 180 s A3 PM KA KS KS HPs DGT T1 L1 FRCC.PC.042.A2.02 L3 T3 L2 KM M Q1 T2 25

ORDERING INFORMATION INTEGRATION INTO SYSTEM SYSTEM DESIGN PRODUCT INFORMATION GENERAL INFORMATION 26 ORDERING INFORMATION INTEGRATION INTO SYSTEM SYSTEM DESIGN PRODUCT INFORMATION GENERAL INFORMATION Control logic requirements controlSafety logic recommendations management Oil logic requirements Cycle rate limit FRCC.PC.042.A2.02 (Motor protection, DGT) protection, (Motor Electronic module LP safety switch safety LP HP switch HP See Pressure settings table table settings Pressure See Contact M1-M2 opened Contact from section “Manage “Manage section from operating envelope” the circuit. oilboost, pay During specialattention by oil oilin return test N°1§Manage fine-tuned order to boostoilreturn. Time anddelay canbe hourin oneminutesimultaneously during every integrated incontrol to runall compressors oilreturn test canbe If failed, afunction by control logic: somecases,In oilmanagement canbeenhanced perhour.maximum of12starts Additionally, life compressor isbasedona service sufficient motor cooling. time of2minutes to ensure proper oilreturn and Danfoss requires aminimumcompressor running Value Tripping conditions Immediate, no delay. No bypass by- No Time Conditions back tonormal. back Conditions Switch closed again closed Switch Manage oilinthecircuit.Manage by Oilbalancing test N°2§ can befine-tuned balance oil between compressors. Time anddelay two hoursinorder oneminute toduring every control to stop allcompressors inmanifold unbalance canbein appears, thenafunction runninglongtimeinfullload, after oil If back andfoaming. to superheat management to avoid liquidflood recommended. (180-sec)timeoutis a three-minute Therefore, to guarantee these2requirements, Value Re-start conditions Re-start Maximum 5 auto reset during during reset 5auto Maximum a period of 12 hours, then 12 then of hours, a period manual reset. Manual reset Time Control logic recommendations logic Pump-down recommendations Defrost logic EXV 4WV Compressor 2 Compressor 1

Defrost start. Stop all compressors 100% Heating ON ON

4 Way Valve (4WV) stays in heating mode. superheat” and operating“Manage envelope”. anyIn case, defrost logics requirements mustrespect andtests insections described “Manage Openingdegree* EXV andtimehave to besetto keepaminimumpressure for 4way valve moving. advantages: The following defrost logic combines both or electronic expansionor electronic valve remains closed. compressor isstopped, andliquidsolenoidvalve pressuresuction pressure, reached thecut-out expansionor closingelectronic valve. When aliquidlinesolenoidvalve de-energizing down thelastcompressor onthecircuit by Pump down isinitiated to prior shutting EXV opened to transfer liquid from refrigerant between allcompressors. defrost1. Runningfullloadduring to share liquid by: worked outto limitliquid floodbackeffect reversibleIn systems, thedefrost logic canbe outdoor to indoor exchanger thanks to pressure difference

When pressures are almost balanced*, change 4WV to cooling mode.

Start Cp1 and Cp 2 with 0.5 seconds delay between 2 successive starts

Defrost end. Stop all compressors Defrost • • Two exist: ofpump-down types exchanger to theotheronethanksto pressures. 2. Transferring liquidrefrigerant from one

the discharge lineisrecommended. pressuresuction increases. Anon-return valve in dow, Compressor automatically when restarts traditional pump- Continuous pump-down: increases again, thecompressor willnotrestart. evaporating pressure. Even pressure ifsuction presssure isdecreased 2.5barbelow nominal last compressor ofthecircuit stops, suction One shotpumpdown (preferred): when 4 WV stays in cooling mode. EXV opened to transfer liquid from indoor to outdoor exchanger thanks to pressure difference

When pressures are almost balanced*, change 4WV to heating mode.

Start Cp1 and Cp 2 with 0.5 seconds delay between 2 successive starts FRCC.PC.042.A2.02 27

ORDERING INFORMATION INTEGRATION INTO SYSTEM SYSTEM DESIGN PRODUCT INFORMATION GENERAL INFORMATION 28 ORDERING INFORMATION INTEGRATION INTO SYSTEM SYSTEM DESIGN PRODUCT INFORMATION GENERAL INFORMATION Solutions Requirements Reduce moisture inthesystem FRCC.PC.042.A2.02 • cancreate acidgiving to rise copper platting. • Excessive airandmoisture • system refrigerant charge. • system refrigeration capacity, water• driers content capacity, criteria’s include: isrequired. selection ofdrier and type Important To achieve thisrequirement, aproperly sized content may beupto 100ppm. At thetimeofcommissioning, system moisture moisture level. compressorsDCJ are delivered with<100ppm excessively highdischarge temperatures. can increase condensing pressure andcause failure. compressor and causemechanicalelectrical All life thesephenomenacanreduce service • candestroy oftheoil. thelubricating properties filter drier. Danfoss DML(100%molecularsieve) solidcore polyolester oil, Danfoss recommends usingthe For newinstallations compressors withDCJ with to alevel between 20and50ppm. operation,During thefilter must drier reduce this Assembly lineprocedure Compressor storage Handling charge Compressor holding -35°C and70°Cwhencharged withnitrogen and corrosive orflammable atmosphere between Store thecompressor notexposed to rain, • • • forring thedischarge port. onthetop ring shelland equipped withthelift EachDanfoss scroll compressor is DCJ out. valve Schrader suction to avoid anoilmistblow • Remove thenitrogen holdingcharge viathe and issealedwithelastomer plugs. nitrogen holdingcharge between 0.3and0.7bar Each compressor isshippedwithanominaldry better load distribution. compressor ishighlyrecommended to ensure a A spreader bar rated for theweight ofthe assembly. the weight ofthecompressor orcompressor equipment ratedUse lifting for andcertified compressor. Always the whenlifting useboththeserings Respect thefollowingRespect sequence: HEAVY do notlift manually R410A refrigerant. between -35°Cand52°Cwhencharged with 15° from vertical). allhandlingmanoeuvresduring (maximumof thecompressorMaintain in anupright position • • • captured by thePVEoil. air for more than20minutes to avoid moisture is An openedcompressor mustnotbeexposed to gets stuckinopenposition. to avoidplug afterwards discharge checkvalve • Remove plugfirstandthedischarge thesuction recommended. hooksclosedwithaclaspis The useoflifting the fullunit. onthecompressor rings Never usethelift to lift below. bar andallcompressor as shown rings inpicture For assemblies, tandemandtrio useaspreader FRCC.PC.042.A2.02 29

ORDERING INFORMATION INTEGRATION INTO SYSTEM SYSTEM DESIGN PRODUCT INFORMATION GENERAL INFORMATION 30 ORDERING INFORMATION INTEGRATION INTO SYSTEM SYSTEM DESIGN PRODUCT INFORMATION GENERAL INFORMATION Assembly lineprocedure Piping assembly leak detection System pressure test and FRCC.PC.042.A2.02 System cleanliness cleanliness, brazing procedure...) for practices Good to pipingassemblyisapre-requisite ensure life compressor (system service • For system tests: and leakproof tested (<3g/year) at thefactory. refrigerant charge mustberemoved. compressor orany system component, the • • • • • Brazing procedure: Helium. gassuchasNitrogen or Always useaninert absorbent compound. overheating, useaheat shieldand/oraheat- To prevent box compressor shellandelectrical Flow nitrogen through thecompressor. withdegreasingClean upconnections agent to thecompressor. isconnected wiring sureMake that noelectrical qualified personnel. byBrazing operations mustbeperformed Maximum compressor test pressure low side (LP) Maximum compressor test pressure high side (HP) compressor test pressuresMaximum Moisture and air Moisture pipe-work in burrs of removal the from particles and Filings Brazing and welding oxides Before eventual un-brazing ofthe The compressor hasbeenstrength tested Circuit contamination possible cause: possible Circuit contamination 31.1 (g) bar 31.1bar(g) exceed not pressure side low the (g), keep 45 bar Do • Do notexceed• Do thefollowing pressures: • than 20 minutes to avoid moisture captured by POE oil. POE by captured moisture toavoid 20 minutes than more toair exposed be not must compressor Opened copper tubing Use only clean and dehydrated refrigeration grade drilling hole and cutting tube by generated burrs and any particles Remove system the through nitrogen flow brazing, During • • • • side. Pressurize thesystem onHPsidefirstthenLP the connection isrecommended.the connection To enhance theresistance to rust, avarnishon connection. tousing acetylene ensure auniform heating of torch isrecommended It to usedouble-tipped content. Use brazing rod withaminimumof5%silver Use fluxinpaste orflux coated brazing rod. Requirement: h e at shi C e l d B A Assembly lineprocedure insulation resistance tests strength and Dielectric Refrigerant charging moisture removal Vacuum evacuation and vacuum asthismay causeinternal damage. power to thecompressor whileitisunder • between eachphaseandground. the factory The oneachcompressor tests are at performed • • • charge: Initial • • • Requirements: the filter drier. liquid phasebetween thecondenser outletand This initialcharging operation mustbedonein be performed at alowerbe performed voltage. ifsuchatestNevertheless, isnecessary, itmust recommended asitmay reduce motor lifetime. 5 mA.Additional are tests ofthistype not current mustbelessthan at least, andleakage potential voltage (hi-pot)of2Un+1000VAC strength test isdonewithahigh Dielectric nominal system charge. Charge refrigerant asclosepossibleto the run. For theinitialcharge, thecompressor mustnot (0.67 mbar)absolute. Evacuate thesystem to apressure of500 μmHg sides. avacuumConnect pumpto boththeLPandHP system. Never usethecompressor to evacuate the R R Do notuseamegohmmeterDo norapply practice“ FRCC.EN.050.practice“ “Recommended refrigerant system charging For more detailedinformation see • • • needed,If acomplement ofcharge canbedone: • • TI-026-0302. anddehydrationpump-down procedure” For more detailedinformation see “Vacuum • • Recommendations: first operated briefly todistribute refrigerant. compressor. To prevent this, thesystem canbe readings. Suchreadings donotindicate afaulty values to current ground andhigherleakage motor windings willresult inlower resistance The presence ofrefrigerant around the Never bypass safety low pressure switch. from thecompressor connection. suction On thelow pressure side, asfaraway as possible slowly throttling liquidin. liquidphasewhilecompressorIn isrunningby megohm. DC megohmtester andmustbehigherthan1 resistanceInsulation is measured witha500 V with Nitrogen to improve moisture removal. Alternate vacuum phasesandbreak vacuum. Energized heaters improve moisture removal. FRCC.PC.042.A2.02 31

ORDERING INFORMATION INTEGRATION INTO SYSTEM SYSTEM DESIGN PRODUCT INFORMATION GENERAL INFORMATION 32 ORDERING INFORMATION INTEGRATION INTO SYSTEM SYSTEM DESIGN PRODUCT INFORMATION GENERAL INFORMATION Preliminary check Preliminary Commissioning System monitoring start-up Initial top-up levelOil and checking FRCC.PC.042.A2.02 • • • Correct oillevel. vibrations• Noabnormal andnoise. • • Correct superheat andsubcooling. proper operating suchas: characteristics for aminimumof60minutes tostartup ensure The system mustbemonitored initial after roughly define the required oil top-up quantity. oil top-up required the define roughly to used be (in weight) can charge refrigerant system total the 2% of 1or needed. may be oil additional 50 ft, exceed lines installation If is required. oil additional no to up 50 ft, runs line and return oil good with installations In • compressor to evacuate the refrigerant. Start ispossibleby A quickerstart-up “jogging” the hours inadvance to remove refrigerant. Crankcase heaters mustbeenergized at least8 acceptable values (maxoperating current). Current draw ofindividualcompressors within to section to section “Motor protection”. be automatically detected. For more details refer module,with anelectronic reverse rotation will Phase order: For compressors DCJ equipped Check electrical power supply: powerCheck electrical supply: Compressors”2-025-0402. TI filling ininstructions for Danfoss Commercial For more detailedinformation see “Lubricants Danfoss PVEoilFVC68D(320HV)from newcans. compressor line. Always suction useoriginal or any otheraccessible onthe connector compressor isidle. Use theschrader connector Oil If Top-up isneeded, itmustbedonewhilethe suction line and a suitable pump. asuitable and line suction compressor the on any connector accessible Use is idle. compressor the while oil the Top-up cans. new from oil use Always • each compressor individually. be started. This operation mustberepeated for minutes. After 3or4jogsthecompressor can compressor for 1second, thenwait for 1to 2 For more detailsrefer to section “Motor voltage”. Voltage andvoltage unbalance withintolerance: Dismantle anddisposal suitable company at itssite. Danfoss recommends that compressors andcompressor oilshouldberecycled by a FRCC.PC.042.A2.02 33

ORDERING INFORMATION INTEGRATION INTO SYSTEM SYSTEM DESIGN PRODUCT INFORMATION GENERAL INFORMATION 34 ORDERING INFORMATION INTEGRATION INTO SYSTEM SYSTEM DESIGN PRODUCT INFORMATION GENERAL INFORMATION Packaging Industrial pack Industrial Single pack FRCC.PC.042.A2.02 • 4sleeves percompressor • 4grommets percompressor accessories: packpalletcontainsEach industrial following only, pallets full of quantities in ordered be can They pallet. one on together all shipped are but individually packed not are Compressors connection • 1screw for earth • 4additionalsleeves washers andsleeves • 4assembliesofselftappingUSthread bolts, • 4grommets Each box alsocontains following accessories: = 1. quantity quantity. ordering Minimum any in ordered be can They box. cardboard a in individually packed are Compressors table. 12 of below according multiples compressors, table. below according 9compressors of pallets full on boxes the ship will Danfoss as possible, far As Ordering codes Industrial pack Industrial ** These code are preliminary. * Feature 8isfor tandemmanifolding Single pack Compressor code numbers ** These code are preliminary. * Feature 8isfor tandemmanifolding Compressor Compressor DCJ091 DCJ106 DCJ121 DCJ091 DCJ106 DCJ121 model model

Variation Variation Model Model T T T T T T T T T T T T either industrial packsorinsinglepacks.either industrial Please Danfoss scroll compressors canbeordered DCJ in Compressor Compressor model DCJ091 DCJ106 DCJ121 model Connections Connections DCJ091 DCJ106 DCJ121 C C C C C C C C C C C C Nbr* 12 12 12 Length (mm) Feature 1170 1170 1170 Feature 8* 8* 8* 8* 8* 8* 6 6 6 6 6 6 Length (mm) 1170 1170 1170 200-220/3/50 208-230/3/60 200-220/3/50 208-230/3/60 Width 121L5045 121L5003 121L5029 121L5037 121L5019 121L5011 121L5044 121L5002 121L5036 121L5028 (mm) 121L5010 121L5018 815 815 815 2 Width 2 (mm) 815 815 815 ordering. use thecode numbersfrom below tablesfor 380-415/3/50 380-415/3/50 121L5009 121L5043 121L5001 121L5035 121L5027 121L5017 460/3/60 121L5000 121L5008 121L5034 121L5042 121L5026 121L5016 460/3/60 Height (mm) 775 775 775 Height (mm) 4 4 723 723 723 Code no. Code Code no. Code 121L5005 ** 121L5047 ** 121L5047 121L5039 ** 121L5039 121L5021 ** 121L5021 121L5031 ** 121L5031 121L5013 ** 121L5013 121L5046 ** 121L5004 ** 121L5004 121L5038 ** 121L5038 121L5030 ** 121L5030 121L5020 ** 121L5020 121L5012 ** 121L5012 575/3/50 575/3/50 weight Gross Gross (kg) 7 622 622 622 7 FRCC.PC.042.A2.02 weight Gross Gross (kg) 423 423 423 Static stacking stacking Static 121L5049 ** 121L5049 121L5007 ** 121L5007 121L5023 ** 121L5023 121L5033 ** 121L5033 121L5041 ** 121L5041 121L5015 ** 121L5015 121L5048 ** 121L5048 121L5040 ** 121L5006 ** 121L5006 121L5022 ** 121L5022 121L5032 ** 121L5032 121L5014 ** 121L5014 380/3/60 380/3/60 pallets 9 9 4 4 4 35

ORDERING INFORMATION INTEGRATION INTO SYSTEM SYSTEM DESIGN PRODUCT INFORMATION GENERAL INFORMATION 36 ORDERING INFORMATION INTEGRATION INTO SYSTEM SYSTEM DESIGN PRODUCT INFORMATION GENERAL INFORMATION Tandem code numbers Ordering codes FRCC.PC.042.A2.02 kit(120Z0636) washer intandem do notusethesuction 1)+DCJ121(Comp 2),allothercomfigeration Except theconfigeration DCJ091(Comp 2 compressors andthe Tandem code below kit To buildacomplete tandem,you mustorder the DCJ091 DCJ091 DCJ106 DCJ121 DCJ121 CP1 DCJ091 DCJ106 DCJ121 DCJ121 DC091 CP2 Comp1 Tandem model DCJ242 DCJ182 DCJ212 DCJ211 DCJ211 Washer in Comp 2 Comp in Washer Suction from No Need No Need No Need No Need Comp2 Kit code n° code Kit 120Z0636 120Z0636 120Z0636 120Z0636 120Z0636 to order Accessories Lubricant Crankcase heater Rotolock adapter sleeveSolder adapter set Mounting hardware Discharge temperature protection 120Z0364 120Z0367 120Z5064 120Z0060 120Z0129 120Z5034 120Z0059 120Z5031 120Z5014 120Z5013 120Z5017 120Z5012 120Z5011 7750009 7973008 Code n° Code Code n° Code Code n° Code n° Code n° Code n° Code Rotolock adaptor set (1-3/4" set adaptor ~1-1/8"),Rotolock (1-1/4" ~7/8") Adaptor (1Adaptor Adaptor (1"3/4Adaptor -1"1/8 Rotolock ODS) Mounting grommet Mounting (FVC68D) can) 320HV PVE(0.95 liter Discharge thermostat kit Discharge thermostat kit Mounting sleeve Mounting Belt type crankcase heater, 65 W, V, 230 CE crankcase mark UL, type Belt Belt type crankcase heater, 70 W, V, 230 crankcase CE mark UL, type Belt sleeves, 4 bolts, 4washers 4bolts, sleeves, 4 4grommets, including compressor 1scroll for kit Mounting 1washer 1sleeve, 1bolt, including kit, Mounting Belt type crankcase heater, 65 W, 400 V, heater, 65 W, CE mark 400 UL, crankcase type Belt Belt type crankcase heater, 70 V, W, CE mark 460 crankcase UL, type Belt Belt type crankcase heater, 70 W, 575 crankcase V, CE mark type UL, Belt " 1/4 -7/8» ODS) Rotolock Description Description Description Description Description Description Models with 1"1/8 with Models ODF Models with 7/8 with Models Application Application DCJ091-121 Application Application Application Application DCJ091-121 DCJ091-121 DCJ091-121 DCJ091-121 DCJ091-121 DCJ091-121 DCJ091-121 DCJ091-121 DCJ091-121 DCJ091-121 All models All models " ODF Industry pack Industry Single Pack Single Single Pack Single Single Pack Single Pack Single Packaging Packaging Packaging Packaging Packaging Packaging Multipack Multipack Multipack Multipack Multipack Multipack Multipack Multipack Multipack Multipack FRCC.PC.042.A2.02 Pack size Pack size Pack size Pack size Pack size Pack Pack size 10 10 50 10 6 1 1 1 6 6 1 1 6 6 6 37

ORDERING INFORMATION INTEGRATION INTO SYSTEM SYSTEM DESIGN PRODUCT INFORMATION GENERAL INFORMATION 38 ORDERING INFORMATION INTEGRATION INTO SYSTEM SYSTEM DESIGN PRODUCT INFORMATION GENERAL INFORMATION Tandem kits kit IP54 upgrade Acoustic hoods Terminal box Accessories FRCC.PC.042.A2.02 120Z0636 118U0057 120Z5085 120Z5018 Code n° Code Code n° Code n° Code n° Code washers,8 bolts,8 locked washers,1 bolts,8 washers,8 suction washer. 8flat spacers, 8rigid with 2compressors for kits Mounting Acoustic hood for scroll compressor IP54 upgrade kit (C &Qversion) box terminal Square Description Description Description Description DCJ 091,106.121DCJ C and Qversion C and Application Application Application Application DCJ091-121 DCJ091-121 Single pack Single Single pack Single Packaging Packaging Packaging Packaging Multipack Multipack Pack Pack Pack Pack Pack Pack size size size size 10 1 1 6

Danfoss Commercial Compressors is a worldwide manufacturer of compressors and condensing units for refrigeration and HVAC applications. With a wide range of high quality and innovative products we help your company to find the best possible energy efficient solution that respects the environment and reduces total life cycle costs.

We have 40 years of experience within the development of hermetic compressors which has brought us amongst the global leaders in our business, and positioned us as distinct variable speed technology specialists. Today we operate from engineering and manufacturing facilities spanning across three continents.

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