Mitsubishi Electronics PUHY-YMC installation manual #$#%&* +,-./0123456

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Contents PUHY-YMC Contents Before getting installed Safety precautionsBefore installation and electric work Before starting the test run Before getting installed moved electrical workConfirmation of parts attached Combination with indoor unitsVariable capacity unit Constant capacity unit Outdoor unit configurationSelection of installation site Model Name Connecting pipe Elbow ShapeSpace required around unit Individual installationWhen inlet air enters from right and left sides of unit When there is an obstruction above the unitBe very careful to carry product Lifting method and weight of productCollective installation and continu- ous installation Location of anchor bolt Installation of unitInstallation Example of collective installationNoise level Connecting direction for refrigerant pipingDown piping and down wiring precautions 60/61 dB A-weightedPUHN-200/250YMC Snow and seasonal windCountermeasure to seasonal wind PUHY-400/500YMCNever perform a pump down. This will damage the compressor Refrigerant piping installationAreas of caution + α Refrigerant piping systemMultiple line/header For variable capacity unit Precautions concerning piping connection and valve operationFigure shows valve fully open Gas side Liquid side Oil balance side60 to 50 to 57.5 / 500 to75 to 750 to 100 to 1000 to Tightening angle standard Pipe diameter mmOil balance pipe connection method Part could be damaged if not cooled sufficiently Distributor gas connection methodGram below How to install branch pipeJoint Restrictions on the posture for attaching jointsEvacuation Airtight test and evacuationAirtight test Thermal insulation of refrigerant piping No heat insulation must be provided for electric wiresInner wall concealed Floor fireproofing PenetrationsElectrical work Constant capacity unit Control box and connecting posi- tion of wiringVariable capacity unit Transmission booster optional For details, see item 11.3. Wiring transmission cablesPlate HoleName, code and possible unit connections Wiring transmission cablesConnecting a transmission booster Wiring examplesWithin Address Unit Remote control operation Same as above Wiring method, address settingRemote control RC terminal block TB6 One remote control unit for each indoor unitFor details, see wire connection example C Main remote controller Wiring LineSame group to the remote control RC terminal block TB6 Unit Range Setting methodExtended length and the length to the most remote unit Capability Number of connected indoor units that can be WiringBooster RP Wiring of main power supply and equipment capacity Test run method Operation procedureTest run Checking before getting test runAbnormality How to cope with test run abnormalityFlag 8 always lights 6603 Transmission error Transmission route Busy ErrorPower on Display at LED lighting blinking Remarks Flag Relay outputCoping with remote controller abnormality Following phenomena do not represent abnormality emergency NMK Nkok NknkNkqk NKPK#$%&*+#$%&*+#,%&- ./0123145&6789#$%&=?@. !# Sknk #$% +,-.Ü SkokUknk TK=Ukok Ukpk Ukqk Vkok Nmknk = NMK=$%&*+,-./01 NMKOK=#$%&*+QMã NMKPK=L Ãã ! k·ãLâÖJÅã NMKQK=#$%&#*#%+, -. !*# NMKRK= NMKSK= #$%& *+& 012345678 .#$%&*+,-./0 1$%#234 NNKNK= NNK=NNKOK= Rsrv NNKPK=#$% +,-./012 NRO #$% +,-./0/12`kQN =EqRF= !# $%&*+ Vwt NNKQK=NOKOK= NOKNK=NOKPK= EptNF EibaF NOKQK= `ççäáåÖ EÉ~íáåÖ NokrkNMK Nknk Nkqk #$%&!*+ Sknk Skok TK= Ukok Ukpk Ukqk Vkok NMK= NMKOK= #$%&*+QMã NMKPK=L NMKQK= #$%&#*#%+, -. !*# NMKRK= NMKSK= #$%& *+& 012345678 .#$%&*+,-./0 1$%#234 NNK= NNKOK= NNKPK= #$% +,-./012 NRO #$#%&* +,-./0123456 =EqRF= !# $%&*+ NNKQK= NOK= NOKPK= EptNF EibaF NOKQK= Nokrk WT02922X02