Mitsubishi Electric PUHZ-SW75VAA-SC Service Manual

AIR TO WATER HEAT PUMP UNITS
SERVICE MANUAL
[Model Name]
PUHZ-SHW80VAA
PUHZ-SHW112VAA
PUHZ-SHW80YAA
PUHZ-SHW112YAA
PUHZ-SW75VAA
PUHZ-SW100VAA
PUHZ-SW75YAA
PUHZ-SW100YAA
PUHZ-SW75VAA-SC
PUHZ-SW75YAA-SC
Salt proof model
PUHZ-SHW80VAA-BS
PUHZ-SHW112VAA-BS
PUHZ-SHW80YAA-BS
PUHZ-SHW112YAA-BS
PUHZ-SW75VAA-BS
PUHZ-SW100VAA-BS
PUHZ-SW75YAA-BS
PUHZ-SW100YAA-BS
[Service Ref.]
PUHZ-SHW80VAA.UK
PUHZ-SHW112VAA.UK
PUHZ-SHW80YAA.UK
PUHZ-SHW112YAA.UK
PUHZ-SW75VAA.UK
PUHZ-SW100VAA.UK
PUHZ-SW75YAA.UK
PUHZ-SW100YAA.UK
PUHZ-SW75VAA-SC.UK
PUHZ-SW75YAA-SC.UK
PUHZ-SHW80VAA-BS.UK
PUHZ-SHW112VAA-BS.UK
PUHZ-SHW80YAA-BS.UK
PUHZ-SHW112YAA-BS.UK
PUHZ-SW75VAA-BS.UK
PUHZ-SW100VAA-BS.UK
PUHZ-SW75YAA-BS.UK
PUHZ-SW100YAA-BS.UK
R410A
CONTENTS
1. REFERENCE MANUAL ································ 2
2. SAFETY PRECAUTION ······························· 3
3. SPECIFICATIONS ········································ 7
4. DATA ··························································· 10
5. OUTLINES AND DIMENSIONS·················· 12
6. WIRING DIAGRAM ····································· 13
7. WIRING SPECIFICATIONS ························ 17
8. REFRIGERANT SYSTEM DIAGRAM ········ 18
9. TROUBLESHOOTING ································ 21
10. MONITORING THE OPERATION DATA BY THE REMOTE CONTROLLER ···· 60
11. DISASSEMBLY PROCEDURE ··················· 66
PARTS CATALOG (OCB651)
August 2017
No. OCH651
REVISED EDITION-A
Revision:
• Added
PUHZ-SW75VAA-SC.UK and
PUHZ-SW75YAA-SC.UK
in REVISED EDITION-A.
• Some descriptions have
been modified.
• OCH651 is void.
Note:
• This manual describes
service data of the outdoor
units only.