Mitsubishi Electronics service manual MXZ-32SV E1 MXZ-32SV E2, Contents

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SPLIT-TYPE, HEAT PUMP AIR CONDITIONER

Revision:

MXZ-32SV - E2

has been added.

• Please void OB254.

No. OB254

REVISED EDITION-A

SERVICE MANUAL

Inverter-controlled multi system

Model

MXZ-32SV - E1

MXZ-32SV - E2

CONTENTS

1.TECHNICAL CHANGES ·················

2.PART NAMES AND FUNCTIONS·············

3.INDOOR/OUTDOOR

CORRESPONDENCE TABLE ··············

4.INDOOR UNITS COMBINATION ·············

5.SPECIFICATION····················

6. NOISE CRITERIA CURVES ···············

7. OUTLINES AND DIMENSIONS ·············

Model indication 8. WIRING DIAGRAM··················· 9. REFRIGERANT SYSTEM DIAGRAM ···········

10. PERFORMANCE CURVES ···············

11.MICROPROCESSOR CONTROL·············

12.TROUBLESHOOTING··················

13.DISASSEMBLY INSTRUCTIONS·············

14.PARTS LIST······················

15.OPTIONAL PARTS···················

This manual describes technical data of outdoor unit.

For indoor unit refer to the service manuals No. OB229, OB227 REVISED EDITION-B, OB252, OB212, OB239 and OC165 of corresponding models.

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Contents MXZ-32SV E1 MXZ-32SV E2 ContentsPart Names and Functions Technical ChangesOutdoor Unit Outdoor Unit Indoor / Outdoor Correspondence TableMXZ-32SV E1 , MXZ-32SV E2 Indoor Units Combination09+09+12 15.05 13.80 9.0 07+09 10.35 09+09+12 14.04 12.87 MXZ-32SV E1 , MXZ-32SV E2 SpecificationCooling DB35 WB24 Test conditionsHeating DB 0dB =Unit mm Outlines and DimensionsModels MXZ-32SV- E1 Wiring DiagramUnitmm Refrigerant System DiagramCWB Capacity and the Input CurvesCDB Outdoor UNITMXZ-32SV Capacity and input correction by inverter output frequencyHeat operation Outdoor low pressure and outdoor unit currentCurrent 10 15 20 10 15 20 Inverter Multi System Control Microprocessor ControlSSR61 LEV control Cool DRY Heat DRY Cool Operational frequency rangeHeat defrosting control Discharge temperature protection controlHigh or low pressure protection Outdoor fan control Refrigerant recovery control on heatingRelation between main sensor and actuator Instruction of troubleshooting TroubleshootingBefore troubleshooting, check the following Lead wiring Housing point Troubleshooting procedureLEV Troubleshooting check tableCheck the contact of LEV board connec Trouble criterion of main parts Outdoor unit does not operate. LED display Outdoor unit does not operate. LED display display OFFWhen cooling operation does not work. Start When heating operation does not work. StartCheck of LEV Check of thermistor Check of HPS Electronic control P.C.board Test Point Diagram and Voltage MXZ-32SV E1 , MXZ-32SV E2Outdoor FAN 220V-240V AC Reversing Valve 220V-240V AC Noise filter P.C.board MXZ-32SV E1MXZ-32SV E2 Outdoor FAN 230V AC Reversing Valve 230V ACRelay P.C.board MXZ-32SV E1 MXZ-32SV E2 M P.C.board MXZ-32SV E1 MXZ-32SV E2Outdoor Unit Operating Procedure Photos Disassembly InstructionsMXZ-32SV Removing the compressor PhotoRemoving the 4-way valve Photo Removing the fan motorRemoving the linear expansion valve Photo Removing the reactor Operating Procedure PhotosOutdoor Unit Functional Parts MXZ-32SV E1 Parts ListMXZ-32SV E117 16 15 MXZ-32SV E2 Outdoor Unit Structural PartsSymbol Qty / unit Parts No Parts Name Wiring Remarks Accessory Parts MXZ-32SV E1 MXZ-32SV E2Outlet guide Different-diameter pipe