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Mitsubishi Electric MXZ-32SV User Manual

Mitsubishi Electric MXZ-32SV
44 pages
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SERVICE MANUAL
CONTENTS
1. TECHNICAL CHANGES ····································2
2. PART NAMES AND FUNCTIONS······················2
3. INDOOR/OUTDOOR
CORRESPONDENCE TABLE ···························3
4. INDOOR UNITS COMBINATION ·······················4
5. SPECIFICATION·················································8
6. NOISE CRITERIA CURVES······························ 9
7. OUTLINES AND DIMENSIONS ······················ 10
8. WIRING DIAGRAM···········································11
9. REFRIGERANT SYSTEM DIAGRAM··············12
10. PERFORMANCE CURVES······························13
11. MICROPROCESSOR CONTROL·····················19
12. TROUBLESHOOTING······································25
13. DISASSEMBLY INSTRUCTIONS·····················37
14. PARTS LIST······················································40
15. OPTIONAL PARTS···········································43
Inverter-controlled multi system
Model
MXZ-32SV -
MXZ-32SV -
E2
E1
No. OB254
REVISED EDITION-A
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.
Model indication
Revision:
MXZ-32SV - has been added.
• Please void OB254.
E2
SPLIT-TYPE, HEAT PUMP AIR CONDITIONER
OB254-1.qxp 03.1.16 4:33 PM Page 1
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Mitsubishi Electric MXZ-32SV Specifications

General IconGeneral
BrandMitsubishi Electric
ModelMXZ-32SV
CategoryAir Conditioner
LanguageEnglish

Summary

TECHNICAL CHANGES

PART NAMES AND FUNCTIONS

INDOOR / OUTDOOR CORRESPONDENCE TABLE

INDOOR UNITS COMBINATION

SPECIFICATION

NOISE CRITERIA CURVES

OUTLINES AND DIMENSIONS

WIRING DIAGRAM

REFRIGERANT SYSTEM DIAGRAM

PERFORMANCE CURVES

Capacity and input correction by inverter output frequency

Outdoor low pressure and outdoor unit current

09-class unit in single operation

12-class unit in single operation

18-class unit in single operation

MICROPROCESSOR CONTROL

LEV control

Operational frequency range

Heat defrosting control

High or low pressure protection

Discharge temperature protection control

Refrigerant recovery control on heating

Outdoor fan control

Relation between main sensor and actuator

TROUBLESHOOTING

Cautions on troubleshooting

Important safety and procedural guidelines before starting troubleshooting.

Instruction of troubleshooting

Flowchart and steps for diagnosing outdoor unit issues based on indicator status.

Troubleshooting check table

Trouble criterion of main parts

Check of power supply

Check of serial signal

Check of R. V. coil

Check of LEV

Check of inverter/ compressor

Check of thermistor

Check of fan motor

Check of HPS

The other cases

TEST POINT DIAGRAM AND VOLTAGE

Noise filter P.C.board

I.P.M P.C.board

Relay P.C.board

DISASSEMBLY INSTRUCTIONS

OUTDOOR UNIT OPERATING PROCEDURE

Step-by-step instructions for disassembling the outdoor unit.

PARTS LIST

OUTDOOR UNIT FUNCTIONAL PARTS

List of functional components for the outdoor unit.

OUTDOOR UNIT STRUCTURAL PARTS

ACCESSORY PARTS

OPTIONAL PARTS

Different-diameter pipe

Details on pipes with varying diameters for installation.

Outlet guide

Accessory for changing the air discharge direction.

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