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AIR TO WATER HEAT PUMP
SERVICE MANUAL
<Outdoor unit>
[Model Name]
PUZ-HWM140VHA
PUZ-HWM140YHA
Salt proof model
PUZ-HWM140VHA-BS
PUZ-HWM140YHA-BS
[Service Ref.]
PUZ-HWM140VHA
PUZ-HWM140YHA
PUZ-HWM140VHA-BS
PUZ-HWM140YHA-BS
R32
Notes:
• This manual describes service
CONTENTS
1. REFERENCE MANUAL ................................... 2
2. SAFETY PRECAUTION ................................... 3
3. SPECIFICATIONS .......................................... 10
4. DATA ............................................................. 13
5. OUTLINES AND DIMENSIONS ..................... 14
6. WIRING DIAGRAM ........................................ 15
7. WIRING SPECIFICATIONS ........................... 17
8. REFRIGERANT SYSTEM DIAGRAM ............... 18
9. TROUBLESHOOTING ................................... 19
10. DISASSEMBLY PROCEDURE ...................... 68
PARTS CATALOG (OCB748)
August 2020
No. OCH748
data of outdoor unit only.
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Table of Contents
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