Mitsubishi Electronics PUHY-YMC installation manual #$%& +& 012345678 .#$%&+,-./0 1$%#234

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Contents PUHY-YMC Contents Safety precautions Before installation and electric workBefore getting installed Before starting the test run Before getting installed moved electrical workConfirmation of parts attached Combination with indoor unitsSelection of installation site Outdoor unit configurationModel Name Connecting pipe Elbow Shape Variable capacity unit Constant capacity unitWhen inlet air enters from right and left sides of unit Individual installationWhen there is an obstruction above the unit Space required around unitLifting method and weight of product Collective installation and continu- ous installationBe very careful to carry product Installation Installation of unitExample of collective installation Location of anchor boltDown piping and down wiring precautions Connecting direction for refrigerant piping60/61 dB A-weighted Noise levelCountermeasure to seasonal wind Snow and seasonal windPUHY-400/500YMC PUHN-200/250YMCRefrigerant piping installation Areas of cautionNever perform a pump down. This will damage the compressor + 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 side75 to 750 to 50 to 57.5 / 500 to100 to 1000 to Tightening angle standard Pipe diameter mm 60 toOil balance pipe connection method Part could be damaged if not cooled sufficiently Distributor gas connection methodJoint How to install branch pipeRestrictions on the posture for attaching joints Gram belowAirtight test and evacuation Airtight testEvacuation Thermal insulation of refrigerant piping No heat insulation must be provided for electric wiresInner wall concealed Floor fireproofing PenetrationsElectrical work Control box and connecting posi- tion of wiring Variable capacity unitConstant capacity unit Plate For details, see item 11.3. Wiring transmission cablesHole Transmission booster optionalConnecting a transmission booster Wiring transmission cablesWiring examples Name, code and possible unit connectionsRemote control RC terminal block TB6 Wiring method, address settingOne remote control unit for each indoor unit Within Address Unit Remote control operation Same as aboveFor details, see wire connection example C Same group to the remote control RC terminal block TB6 Wiring LineUnit Range Setting method Main remote controllerExtended length and the length to the most remote unit Wiring Booster RPCapability Number of connected indoor units that can be Wiring of main power supply and equipment capacity Test run Operation procedureChecking before getting test run Test run methodAbnormality How to cope with test run abnormalityPower on 6603 Transmission error Transmission route Busy ErrorDisplay at LED lighting blinking Remarks Flag Relay output Flag 8 always lightsCoping 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