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TECHNICAL & SERVICE MANUAL
SPLIT-TYPE, HEAT PUMP AIR CONDITIONERS
CONTENTS
1. FEATURES ·······························································2
2. PART NAMES AND FUNCTIONS····························3
3. SPECIFICATIONS·····················································4
4. DATA ·········································································5
5. OUTLINES AND DIMENSIONS······························16
6. REFRIGERANT SYSTEM DIAGRAM ····················18
7. WIRING DIAGRAM·················································19
8. OPERATION FLOW-CHART··································20
9. MICROPROCESSOR CONTROL···························24
10. TROUBLESHOOTING ············································41
11. DISASSEMBLY PROCEDURE ·······························45
12. PARTS LIST····························································48
TM
PKH18FL
PKH24FL
PKH30FL
PKH36FL
No. OC276
REVISED EDITION-A
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Wall Mounted
Series PKH
[Models]
Indoor unit
Remote controller
MODEL
SELECT
NOT AVAILABLE
SWING
CHECK
FAN
TEST
RUN
˚F
˚C
AMPMSTOP
START
Revision:
●The wrong descriptions in REFRIGERANT
SYSTEM DIAGRAM have been modified.
(Page 18.)
●The wrong descriptions in WIRING DIAGRAM
have been modified.
(Page 19.)
●Restrictor valve and capillary tube have been
added to "Specifications" of heat exchanger.
(Page 48.)
●Please void OC276.
OC276-A-1.qxp 03.11.25 9:04 AM Page 1