Table of Contents
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SPLIT-SYSTEM HEAT PUMP
SERVICE MANUAL
Indoor unit
[Model Name]
[Service Ref.]
PKA-A12HA6
PKA-A12HA6
PKA-A18HA6
PKA-A18HA6
INDOOR UNIT
TEMP.
ON/OFF
WIRED REMOTE
CONTROLLER
(Option)
IR WIRELESS REMOTE
CONTROLLER (Option)
CONTENTS
1. REFERENCE MANUAL ................................... 2
2. SAFETY PRECAUTION ................................... 3
3. PARTS NAMES AND FUNCTIONS ................. 4
4. SPECIFICATIONS ........................................... 10
5. NOISE CRITERION CURVES .........................11
6. OUTLINES AND DIMENSIONS ...................... 12
7. WIRING DIAGRAM .........................................13
8. REFRIGERANT SYSTEM DIAGRAM ............ 14
9. TROUBLESHOOTING .................................... 15
10. SPECIAL FUNCTION ..................................... 29
11. DISASSEMBLY PROCEDURE ....................... 32
PARTS CATALOG (OCB580)
December 2014
No. OCH580
Notes:
• This manual describes
service data of the indoor
units only.
• RoHS compliant products
have <G> mark on the
spec name plate.
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