TECHNICAL & SERVICE MANUAL
Indoor unit
[Model Name] [Service Ref.]
INDOOR UNIT
Model name
indication
PARTS CATALOG (TCB122)
No. TCH122
July 2023
SPLIT-TYPE, HEAT PUMP AIR CONDITIONERS
PKFY-WL04NLMU-E
PKFY-WL06NLMU-E
PKFY-WL08NLMU-E
PKFY-WL12NLMU-E
PKFY-WL15NLMU-E
PKFY-WL04NLMU-E.TH
PKFY-WL06NLMU-E.TH
PKFY-WL08NLMU-E.TH
PKFY-WL12NLMU-E.TH
PKFY-WL15NLMU-E.TH
CONTENTS
1. SAFETY PRECAUTION ·······················2
2. PARTS NAMES AND FUNCTIONS ········3
3. SPECIFICATION ································4
4. NOISE CRITERION CURVES ···············6
5. OUTLINES AND DIMENSIONS ·············8
6. WIRING DIAGRAM ··························· 12
7. REFRIGERANT SYSTEM DIAGRAM ··· 13
8. MICROPROCESSOR CONTROL ········· 13
9. TROUBLESHOOTING ······················· 20
10. DISASSEMBLY PROCEDURE ············ 27
11. REMOTE CONTROLLER ··················· 31
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