SERVICE MANUAL
Indoor unit
[Model Name] [Service Ref.]
PKA-A12LA1
PKA-A12LA1
PKA-A18LA1
PKA-A18LA1
PARTS CATALOG (TCB117)
INDOOR UNIT
SPLIT-SYSTEM HEAT PUMP
No. TCH117
March 2023
CONTENTS
1. REFERENCE MANUAL ······················2
2. SAFETY PRECAUTION ······················2
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 ··········· 30
13. REMOTE CONTROLLER ·················· 34
WIRED REMOTE CONTROLLER
(Option)
WIRELESS REMOTE
CONTROLLER
(Option)
MENU
ON
OFF
RETURN
SELECT
HOLD
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