SERVICE MANUAL
INDOOR UNIT
CONTENTS
1. REFERENCE MANUAL................................... 2
2. SAFETY PRECAUTION................................... 3
3. PARTS NAMES AND FUNCTIONS................. 8
4. SPECIFICATIONS.......................................... 13
5. NOISE CRITERION CURVES ....................... 17
6. OUTLINES AND DIMENSIONS..................... 19
7. WIRING DIAGRAM............................................. 23
8. REFRIGERANT SYSTEM DIAGRAM............. 24
9. TROUBLESHOOTING................................... 25
10. FUNCTION SETTING..................................... 41
11. SPECIAL FUNCTION..................................... 42
12. DISASSEMBLY PROCEDURE....................... 46
PARTS CATALOG (OCB659)
Model name
indication
[Service Ref.]
PCA-M35KA
PCA-M35KA-ER
PCA-M50KA
PCA-M50KA-ER
PCA-M60KA
PCA-M60KA-ER
PCA-M71KA
PCA-M71KA-ER
PCA-M100KA
PCA-M100KA-ER
PCA-M125KA
PCA-M125KA-ER
PCA-M140KA
PCA-M140KA-ER
Indoor unit
[Model Name]
PCA-M35KA
PCA-M35KA-ER
PCA-M50KA
PCA-M50KA-ER
PCA-M60KA
PCA-M60KA-ER
PCA-M71KA
PCA-M71KA-ER
PCA-M100KA
PCA-M100KA-ER
PCA-M125KA
PCA-M125KA-ER
PCA-M140KA
PCA-M140KA-ER
SPLIT-TYPE, HEAT PUMP AIR CONDITIONERS
SPLIT-TYPE, AIR CONDITIONERS
No. OCH659
REVISED EDITION-A
November 2018
R32/R410A
OCH659 is void.
Notes:
• Added
PCA-M35KA-ER,
PCA-M50KA-ER,
PCA-M60KA-ER,
PCA-M71KA-ER,
PCA-M100KA-ER,
PCA-M125KA-ER, and
PCA-M140KA-ER
in REVISED EDITION-A.