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TECHNICAL & SERVICE MANUAL
SPLIT-TYPE, HEAT PUMP AIR CONDITIONERS
Indoor unit
[Model names] [Service Ref.]
No. OC307
REVISED EDITION-E
INDOOR UNIT
CONTENTS
1. TECHNICAL CHANGES.....................2
2. SAFETY PRECAUTION .....................3
3. PART NAMES AND FUNCTIONS ......5
4. SPECIFICATIONS ............................12
5. OUTLINES AND DIMENSIONS .......16
6. WIRING DIAGRAM ...........................17
7. REFRIGERANT SYSTEM DIAGRAM .... 21
8. TROUBLE SHOOTING .....................22
9. DISASSEMBLY PROCEDURE .........32
10. RoHS PARTS LIST ...........................36
Ceiling Cassettes
Series PMFY
R410A
December 2012
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 com-
pliant products, refer to
the RoHS Parts List.
Revision:
•
PMFY-P20/25/32/40VBM-ER4
have been added in
REVISED EDITION-E.
•
Some descriptions have
been modified.
•
Please void OC307
REVISED EDITION-D.
PMFY-P20VBM-E
PMFY-P25VBM-E
PMFY-P32VBM-E
PMFY-P40VBM-E
PMFY-P20VBM-E
PMFY-P20VBM-E#2
PMFY-P20VBM-ER4
PMFY-P25VBM-E
PMFY-P25VBM-E#2
PMFY-P25VBM-ER4
PMFY-P32VBM-E
PMFY-P32VBM-E#2
PMFY-P32VBM-ER4
PMFY-P40VBM-E
PMFY-P40VBM-E#2
PMFY-P40VBM-ER4
PMFY-P20VBM-E
1
PMFY-P20VBM-ER3
PMFY-P25VBM-E
1
PMFY-P25VBM-ER3
PMFY-P32VBM-E
1
PMFY-P32VBM-ER3
PMFY-P40VBM-E
1
PMFY-P40VBM-ER3