Mitsubishi Electronics MXZ-32SV service manual

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HEAD OFFICE: MITSUBISHI DENKI BLDG., 2-2-3, MARUNOUCHI, CHIYODA-KU, TOKYO 100-8310, JAPAN

CCopyright 2000 MITSUBISHI ELECTRIC ENGINEERING CO.,LTD Distributed in Jan. 2003. No.OB254 REVISED EDITION-A 7 Reprinted in Feb. 2002 No.OB254 12

Reprinted in Dec. 2001 No.OB254 5 Reprinted in Dec. 2001 No.OB254 50 Reprinted in Feb. 2001 No.OB254 10 Distributed in May. 2000. No.OB254 523 Made in Japan

New publication, effective Jan. 2003 Specifications subject to change without notice.

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Contents Contents MXZ-32SV E1 MXZ-32SV E2Outdoor Unit Technical ChangesPart Names and Functions Indoor / Outdoor Correspondence Table Outdoor UnitIndoor Units Combination MXZ-32SV E1 , MXZ-32SV E209+09+12 15.05 13.80 9.0 07+09 10.35 09+09+12 14.04 12.87 Specification MXZ-32SV E1 , MXZ-32SV E2Test conditions Cooling DB35 WB24Heating DB 0dB =Outlines and Dimensions Unit mmWiring Diagram Models MXZ-32SV- E1Refrigerant System Diagram UnitmmCDB Capacity and the Input CurvesCWB Capacity and input correction by inverter output frequency Outdoor UNITMXZ-32SVOutdoor low pressure and outdoor unit current Heat operationCurrent 10 15 20 10 15 20 SSR61 Microprocessor ControlInverter Multi System Control LEV control Cool DRY Heat Operational frequency range DRY CoolHigh or low pressure protection Discharge temperature protection controlHeat defrosting control Relation between main sensor and actuator Refrigerant recovery control on heatingOutdoor fan control Troubleshooting Instruction of troubleshootingBefore troubleshooting, check the following Lead wiring Housing point Troubleshooting procedureTroubleshooting check table LEVCheck the contact of LEV board connec Trouble criterion of main parts Outdoor unit does not operate. LED display display OFF Outdoor unit does not operate. LED displayWhen heating operation does not work. Start When cooling operation does not work. StartCheck of LEV Check of thermistor Check of HPS Test Point Diagram and Voltage MXZ-32SV E1 , MXZ-32SV E2 Electronic control P.C.boardNoise filter P.C.board MXZ-32SV E1 Outdoor FAN 220V-240V AC Reversing Valve 220V-240V ACMXZ-32SV E2 Outdoor FAN 230V AC Reversing Valve 230V ACM P.C.board MXZ-32SV E1 MXZ-32SV E2 Relay P.C.board MXZ-32SV E1 MXZ-32SV E2Disassembly Instructions Outdoor Unit Operating Procedure PhotosMXZ-32SV Removing the compressor PhotoRemoving the linear expansion valve Photo Removing the fan motorRemoving the 4-way valve Photo Operating Procedure Photos Removing the reactorParts List Outdoor Unit Functional Parts MXZ-32SV E1Outdoor Unit Structural Parts MXZ-32SV E117 16 15 MXZ-32SV E2Accessory Parts MXZ-32SV E1 MXZ-32SV E2 Symbol Qty / unit Parts No Parts Name Wiring RemarksDifferent-diameter pipe Outlet guide