SPLIT-TYPE, HEAT PUMP AIR CONDITIONERS
TECHNICAL & SERVICE MANUAL
No. OC341
REVISED EDITION-F
INDOOR UNIT
CONTENTS
1. TECHNICAL CHANGES
.......................
2
2. FEATURES
...........................................
3
3. PART NAMES AND FUNCTIONS
........
3
4. SPECIFICATION
...................................
5
5. OUTLINES AND DIMENSIONS
............
9
6. WIRING DIAGRAM
.............................
10
7.
REFRIGERANT SYSTEM DIAGRAM
....
14
8. MICROPROCESSOR CONTROL
.......
15
9. TROUBLESHOOTING
........................
22
10. DISASSEMBLY PROCEDURE
...........
31
11. RoHS PARTS LIST
.............................
35
April 2012
R410A / R22
NOTE:
• This manual describes
only service data of the
indoor units.
• RoHS compliant products
have <G> mark on the
spec name plate.
• For servicing RoHS compli-
ant products, refer to the
RoHS PARTS LIST.
Revision:
• PMFY-P06/08/12/15NBMU-
ER5 have been added in
REVISED EDITION-F.
• Some descriptions have
been modified.
• Please void OC341
REVISED EDITION-E.
Indoor unit
[Model names] [Service Ref.]
PMFY-P06NBMU-E
PMFY-P08NBMU-E
PMFY-P12NBMU-E
PMFY-P15NBMU-E
PMFY-P06NBMU-E PMFY-P06NBMU-E
1
PMFY-P06NBMU-E#2 PMFY-P06NBMU-ER3
PMFY-P06NBMU-ER4 PMFY-P06NBMU-ER5
PMFY-P08NBMU-E PMFY-P08NBMU-E
1
PMFY-P08NBMU-E#2 PMFY-P08NBMU-ER3
PMFY-P08NBMU-ER4 PMFY-P08NBMU-ER5
PMFY-P12NBMU-E PMFY-P12NBMU-E
1
PMFY-P12NBMU-E#2 PMFY-P12NBMU-ER3
PMFY-P12NBMU-ER4 PMFY-P12NBMU-ER5
PMFY-P15NBMU-E PMFY-P15NBMU-E
1
PMFY-P15NBMU-E#2 PMFY-P15NBMU-ER3
PMFY-P15NBMU-ER4 PMFY-P15NBMU-ER5