SERVICE MANUAL
SPLIT-TYPE, HEAT PUMP AIR CONDITIONERS
SPLIT-TYPE, AIR CONDITIONERS
NOTE:
• This manual describes
only service data of the
indoor units.
• RoHS compliant products
have <G> mark on the
spec name plate.
CONTENTS
1. REFERENCE MANUAL................................... 2
2. SAFETY PRECAUTION................................... 3
3. PART NAMES AND FUNCTIONS................... 4
4. SPECIFICATIONS............................................ 7
5. NOISE CRITERION CURVES.......................... 8
6. OUTLINES AND DIMENSIONS....................... 9
7. WIRING DIAGRAM.........................................10
8. REFRIGERANT SYSTEM DIAGRAM............ 11
9. TROUBLESHOOTING.................................... 12
10. SPECIAL FUNCTION .....................................26
11. DISASSEMBLY PROCEDURE.......................29
Indoor unit
[Model names] [Service Ref.]
PARTS CATALOG (OCB483)
No. OCH483
November 2010
INDOOR UNIT
PKA-A12HA4
PKA-A12HA4
PKA-A18HA4
PKA-A18HA4
ON/OFF
TEMP.
COOL
DRY
AUTO
FAN
HEAT
WIRED REMOTE
CONTROLLER
(Option)
IR WIRELESS REMOTE
CONTROLLER (Option)
3 3 2 2 3
