WT02922X02 | Mitsubishi Electronics PUHY-YMC specs

This product is designed and intended for use in the residential,

commercial and light-industrial environment.

Please be sure to put the contact address/telephone number on

this manual before handing it to the customer.

HEAD OFFICE MITSUBISHI DENKI BLDG MARUNOUCHI TOKYO 100-8310 TELEX J24532 CABLE MELCO TOKYO

WT02922X02

Printed in Japan

Image 103

Mitsubishi Electronics PUHY-YMC installation manual WT02922X02

Contents

PUHY-YMC Contents Before installation and electric work Safety precautionsBefore getting installed Before starting the test run Before getting installed moved electrical work Confirmation of parts attached Combination with indoor units Variable capacity unit Constant capacity unit Outdoor unit configurationSelection of installation site Model Name Connecting pipe Elbow Shape Space required around unit Individual installationWhen inlet air enters from right and left sides of unit When there is an obstruction above the unit Collective installation and continu- ous installation Lifting method and weight of productBe very careful to carry product Location of anchor bolt Installation of unitInstallation Example of collective installation Noise level Connecting direction for refrigerant pipingDown piping and down wiring precautions 60/61 dB A-weighted PUHN-200/250YMC Snow and seasonal windCountermeasure to seasonal wind PUHY-400/500YMC Areas of caution Refrigerant piping installationNever perform a pump down. This will damage the compressor + α Refrigerant piping system Multiple line/header For variable capacity unit Precautions concerning piping connection and valve operation Figure shows valve fully open Gas side Liquid side Oil balance side 60 to 50 to 57.5 / 500 to75 to 750 to 100 to 1000 to Tightening angle standard Pipe diameter mm Oil balance pipe connection method Part could be damaged if not cooled sufficiently Distributor gas connection method Gram below How to install branch pipeJoint Restrictions on the posture for attaching joints Airtight test Airtight test and evacuationEvacuation Thermal insulation of refrigerant piping No heat insulation must be provided for electric wires Inner wall concealed Floor fireproofing Penetrations Electrical work Variable capacity unit Control box and connecting posi- tion of wiringConstant capacity unit Transmission booster optional For details, see item 11.3. Wiring transmission cablesPlate Hole Name, code and possible unit connections Wiring transmission cablesConnecting a transmission booster Wiring examples Within Address Unit Remote control operation Same as above Wiring method, address settingRemote control RC terminal block TB6 One remote control unit for each indoor unit For details, see wire connection example C Main remote controller Wiring LineSame group to the remote control RC terminal block TB6 Unit Range Setting method Extended length and the length to the most remote unit Booster RP WiringCapability Number of connected indoor units that can be Wiring of main power supply and equipment capacity Test run method Operation procedureTest run Checking before getting test run Abnormality How to cope with test run abnormality Flag 8 always lights 6603 Transmission error Transmission route Busy ErrorPower on Display at LED lighting blinking Remarks Flag Relay output Coping with remote controller abnormality Following phenomena do not represent abnormality emergency NMK Nkok Nknk Nkqk NKPK#$%&*+ #$%&*+#,%&- ./0123145&6789#$%&=?@. !# Sknk #$% +,-.Ü Skok Uknk 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= !# $%&*+ Vwt NNKQK= NOKOK= NOKNK= NOKPK= EptNF EibaF NOKQK= `ççäáåÖ EÉ~íáåÖ Nokrk NMK Nknk Nkqk #$%&!*+ 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