TECHNICAL & SERVICE MANUAL
SPLIT-TYPE, HEAT PUMP AIR CONDITIONERS
CONTENTS
1. TECHNICAL CHANGES
...................................
2
2. SAFETY PRECAUTION
....................................
2
3. OVERVIEW OF UNITS
......................................
5
4. SPECIFICATIONS
.............................................
7
5. DATA
.................................................................
8
6. OUTLINES AND DIMENSIONS
......................
18
7. WIRING DIAGRAM
.........................................
20
8.
NECESSARY CONDITIONS FOR SYSTEM CONSTRUCTION
.....
22
9. TROUBLESHOOTING
....................................
32
10. ELECTRICAL WIRING
....................................
74
11. REFRIGERANT PIPING TASKS
.....................
77
12. DISASSEMBLY PROCEDURE
.......................
81
13. PARTS LIST
.....................................................
87
14. RoHS PARTS LIST
..........................................
90
15. OPTIONAL PARTS
..........................................
93
OUTDOOR UNIT
No. OC355
REVISED EDITION-D
[Service Ref.]
PUMY-P100YHM
PUMY-P100YHM1
PUMY-P100YHMA
PUMY-P125YHM
PUMY-P125YHM1
PUMY-P125YHMA
PUMY-P140YHM
PUMY-P140YHM1
PUMY-P140YHMA
PUMY-P100YHMA-BS
PUMY-P125YHMA-BS
PUMY-P140YHMA-BS
HFC
utilized
R410A
June 2008
NOTE :
· This service manual describes technical data of outdoor unit.
As for indoor units, refer to its service manual.
· RoHS compliant products have <G> mark on spec name plate.
· For servicing of RoHS compliant products, refer to RoHS PARTS LIST.
[Model name]
<Outdoor unit>
PUMY-P100YHM
PUMY-P100YHMA
PUMY-P125YHM
PUMY-P125YHMA
PUMY-P140YHM
PUMY-P140YHMA
PUMY-P100YHMA-BS
PUMY-P125YHMA-BS
PUMY-P140YHMA-BS
• Please void OC355
REVISED EDITION-C.
Model name
indication
Revision:
• PUMY-P100/125/140YHMA-BS
are added in
REVISED EDITION-D.
• Some descriptions have
been modified.