TECHNICAL & SERVICE MANUAL
CONTENTS
1. PART NAMES AND FUNCTIONS
..........
2
2. SPECIFICATION
.....................................
4
3. OUTLINES AND DIMENSIONS
..............
6
4. WIRING DIAGRAM
.................................
7
5. REFRIGERANT SYSTEM DIAGRAM
..........
8
6. MICROPROCESSOR CONTROL
...........
9
7. TROUBLESHOOTING
..........................
14
8. DISASSEMBLY PROCEDURE
.............
21
Indoor unit
[Model names] [Service Ref.]
No. OCH462
REVISED EDITION-A
INDOOR UNIT
SPLIT-TYPE, HEAT PUMP AIR CONDITIONERS
R22R410A
Note:
• This manual describes only
service data of the indoor
units.
• RoHS compliant products
have <G> mark on the spec
name plate.
May 2011
PARTS CATALOG (OCB462)
PKFY-P24NKMU-E
PKFY-P24NKMU-E.TH
PKFY-P30NKMU-E
PKFY-P30NKMU-E.TH
Revision:
• 3. OUTLINES AND
DIMENSIONS has been modi-
fied in REVISED EDITION-A.
• Some descriptions have been
modified.
• Please void OCH462.