Mitsubishi Electronics service manual M P.C.board MXZ-32SV E1 MXZ-32SV E2

Page 36

I.P.M P.C.board

MXZ-32SV - E1

MXZ-32SV - E2

12V DC

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12V DC

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320V DC

Relay P.C.board

MXZ-32SV - E1

MXZ-32SV - E2

12V DC

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High pressure { switch

12V DC {

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Short

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Image 36

Contents Contents MXZ-32SV E1 MXZ-32SV E2Technical Changes Part Names and FunctionsOutdoor Unit 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 UnitmmCapacity and the Input Curves CWBCDB 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 Microprocessor Control Inverter Multi System ControlSSR61 LEV control Cool DRY Heat Operational frequency range DRY CoolDischarge temperature protection control Heat defrosting controlHigh or low pressure protection Refrigerant recovery control on heating Outdoor fan controlRelation between main sensor and actuator 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 fan motor Removing the 4-way valve PhotoRemoving the linear expansion 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