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SERVICE MANUAL
SPLIT-TYPE, HEAT PUMP AIR CONDITIONERS
SPLIT-TYPE, AIR CONDITIONERS
CONTENTS
1. REFERENCE MANUAL··································2
2. SAFETY PRECAUTION··································3
3. FEATURES ·····················································6
4. SPECIFICATIONS···········································7
5. DATA ·······························································9
6. OUTLINES AND DIMENSIONS····················13
7. WIRING DIAGRAM·······································16
8. WIRING SPECIFICATIONS ··························20
9.
REFRIGERANT SYSTEM DIAGRAM
·············25
10. TROUBLESHOOTING ··································28
11. EASY MAINTENANCE FUNCTION ··············85
12. FUNCTION SETTING····································88
13.
MONITORING THE OPERATION DATA BY THE REMOTE CONTROLLER
············96
14. DISASSEMBLY PROCEDURE ···················106
No.OCH429
R410A
November 2007
[model names]
PUZ-A18NHA2
PUZ-A24NHA2
PUZ-A30NHA2
PUZ-A36NHA2
PUZ-A42NHA2
PUZ-A18NHA2-BS
PUZ-A24NHA2-BS
PUZ-A30NHA2-BS
PUZ-A36NHA2-BS
PUZ-A42NHA2-BS
PUY-A12NHA2
PUY-A18NHA2
PUY-A24NHA2
PUY-A30NHA2
PUY-A36NHA2
PUY-A42NHA2
PUY-A12NHA2-BS
PUY-A18NHA2-BS
PUY-A24NHA2-BS
PUY-A30NHA2-BS
PUY-A36NHA2-BS
PUY-A42NHA2-BS
[Service Ref.]
PUZ-A18NHA2
PUZ-A24NHA2
PUZ-A30NHA2
PUZ-A36NHA2
PUZ-A42NHA2
PUZ-A18NHA2-BS
PUZ-A24NHA2-BS
PUZ-A30NHA2-BS
PUZ-A36NHA2-BS
PUZ-A42NHA2-BS
PUY-A12NHA2
PUY-A18NHA2
PUY-A24NHA2
PUY-A30NHA2
PUY-A36NHA2
PUY-A42NHA2
PUY-A12NHA2-BS
PUY-A18NHA2-BS
PUY-A24NHA2-BS
PUY-A30NHA2-BS
PUY-A36NHA2-BS
PUY-A42NHA2-BS
NOTE:
• This manual describes only
service data of the outdoor
units.
• RoHS compliant products
have <G> mark on the spec
name plate.
• For servicing RoHS compliant
products, refer to the RoHS
PARTS LIST.
PUZ-A24/30/36NHA2
PUY-A24/30/36NHA2
Outdoor unit
PARTS CATALOG (OCB429)
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