SERVICE MANUAL
CONTENTS
1. TECHNICAL CHANGES...................................... 2
2. REFERENCE MANUAL....................................... 2
3. SAFETY PRECAUTION....................................... 3
4. PART NAMES AND FUNCTIONS........................ 5
5. SPECIFICATIONS................................................ 9
6. NOISE CRITERION CURVES............................ 11
7. OUTLINES AND DIMENSIONS......................... 12
8. WIRING DIAGRAM............................................ 15
9. REFRIGERANT SYSTEM DIAGRAM........................ 19
10. TROUBLE SHOOTING....................................... 20
11. SPECIAL FUNCTION......................................... 35
12. DISASSEMBLY PROCEDURE........................... 38
13. PARTS LIST....................................................... 44
14. RoHS PARTS LIST............................................. 53
Indoor unit
[Model names]
PKA-A12GA
PKA-A18GA
PKA-A24FA
PKA-A30FA
PKA-A36FA
PKA-A12GAL
PKA-A18GAL
PKA-A24FAL
PKA-A30FAL
PKA-A36FAL
Indoor unit
No.OC369
REVISED EDITION-D
WIRELESS REMOTE
CONTROLLER
SPLIT-TYPE, HEAT PUMP AIR CONDITIONERS
SPLIT-TYPE, AIR CONDITIONERS
Model name indication
April 2009
ON/OFF
TEMP.
WIRED REMOTE
CONTROLLER
PKA-A12GA PKA-A18GA
PKA-A12GAL PKA-A18GAL
NOTE:
• This manual describes only
service data of the indoor
units.
• RoHS compliant products
have <G> mark on the spec
name plate.
• For servicing RoHS compli-
ant products, refer to the
RoHS PARTS LIST.
• Please void OC369
REVISED EDTION-C.
3 3 2 2 3
[Service Ref.]
PKA-A12GA PKA-A12GA
1
PKA-A12GA
2
PKA-A18GA PKA-A18GA
1
PKA-A18GA
2
PKA-A24FA PKA-A24FA
1
PKA-A24FA
2
PKA-A30FA PKA-A30FA
1
PKA-A30FA
2
PKA-A36FA PKA-A36FA
1
PKA-A36FA
2
PKA-A12GAL PKA-A12GAL
1
PKA-A12GAL
2
PKA-A18GAL PKA-A18GAL
1
PKA-A18GAL
2
PKA-A24FAL PKA-A24FAL
1
PKA-A24FAL
2
PKA-A30FAL PKA-A30FAL
1
PKA-A30FAL
2
PKA-A36FAL PKA-A36FAL
1
PKA-A36FAL
2
Revision:
• "14. RoHS PARTS LIST" has
been modified.