Mitsubishi Electric PUZ-WM50VHA Service Manual

Mitsubishi Electric PUZ-WM50VHA Service Manual

Air to water heat pump units
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AIR TO WATER HEAT PUMP UNITS
SERVICE MANUAL
<Outdoor unit>
[Model Name]
PUZ-WM50VHA
PUZ-WM60VAA
PUZ-WM85VAA
PUZ-WM85YAA
PUZ-WM112VAA
PUZ-WM112YAA
Salt proof model
PUZ-WM50VHA-BS
PUZ-WM60VAA-BS
PUZ-WM85VAA-BS
PUZ-WM85YAA-BS
PUZ-WM112VAA-BS
PUZ-WM112YAA-BS
PUZ-WM50VHA.UK
[Service Ref.]
PUZ-WM50VHA.UK
PUZ-WM60VAA.UK
PUZ-WM85VAA.UK
PUZ-WM85YAA.UK
PUZ-WM112VAA.UK
PUZ-WM112YAA.UK
PUZ-WM50VHA-BS.UK
PUZ-WM60VAA-BS.UK
PUZ-WM85VAA-BS.UK
PUZ-WM85YAA-BS.UK
PUZ-WM112VAA-BS.UK
PUZ-WM112YAA-BS.UK
R32
CONTENTS
1. REFERENCE MANUAL ································ 2
2. SAFETY PRECAUTION ······························· 3
3. SPECIFICATIONS ······································ 10
4. DATA ··························································· 12
5. OUTLINES AND DIMENSIONS·················· 13
6. WIRING DIAGRAM ····································· 15
7. WIRING SPECIFICATIONS ························ 18
8. REFRIGERANT SYSTEM DIAGRAM ········ 19
9. TROUBLESHOOTING ································ 22
11. DISASSEMBLY PROCEDURE ··················· 66
PARTS CATALOG (OCB727)
March 2020
No. OCH727
Note:
• This manual describes
service data of the outdoor
units only.

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