Mitsubishi Electric PKA-A12LA Service Manual

SPLIT-TYPE, HEAT PUMP AIR CONDITIONERS
SPLIT-TYPE, AIR CONDITIONERS
SERVICE MANUAL
Indoor unit
[Model Name]
PKA-A12LA
PKA-A18LA
INDOOR UNIT
[Service Ref.]
PKA-A12LA.TH
PKA-A18LA.TH
REVISED EDITION-A
Revision:
• Outlines and dimensions
have been modified
in REVISED EDITION-A.
OCH761 is void.
CONTENTS
1. REFERENCE MANUAL ······················ 2
2. SAFETY PRECAUTION ······················ 3
3. PARTS NAMES AND FUNCTIONS ······· 5
4. SPECIFICATIONS ······························ 6
5. NOISE CRITERION CURVES ··············· 7
6. OUTLINES AND DIMENSIONS ············ 8
7. WIRING DIAGRAM ···························· 9
8. REFRIGERANT SYSTEM DIAGRAM··· 10
9. TROUBLESHOOTING ······················ 11
10. FUNCTION SETTING ······················· 26
11. SPECIAL FUNCTION ······················· 27
12. DISASSEMBLY PROCEDURE ··········· 29
13. REMOTE CONTROLLER ·················· 33
PARTS CATALOG (OCB761)
May 2021
No. OCH761