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TECHNICAL & SERVICE MANUAL
SPLIT-TYPE, HEAT PUMP AIR CONDITIONERS
CONTENTS
1. TECHNICAL CHANGES
...................................
3
2. SAFETY PRECAUTION
....................................
6
3. OVERVIEW OF UNITS
......................................
9
4. SPECIFICATIONS
...........................................
11
5. DATA
................................................................
13
6. OUTLINES AND DIMENSIONS
......................
18
7. WIRING DIAGRAM
.........................................
20
8.
NECESSARY CONDITIONS FOR SYSTEM CONSTRUCTION
.....
24
9. TROUBLESHOOTING
....................................
34
10. ELECTRICAL WIRING
....................................
81
11. REFRIGERANT PIPING TASKS
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84
12. DISASSEMBLY PROCEDURE
........................
88
13. PARTS LIST
.....................................................
93
14. RoHS PARTS LIST
..........................................
96
15. OPTIONAL PARTS
..........................................
99
OUTDOOR UNIT
No. OC366
REVISED EDITION-F
[Model name]
(Standard type)
PUMY-P36NHMU
PUMY-P48NHMU
(Salt proof type)
PUMY-P36NHMU-BS
PUMY-P48NHMU-BS
HFC
utilized
R410A
Model name
indication
December 2010
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 the spec
name plate.
[Service Ref.]
PUMY-P36NHMU
PUMY-P36NHMUR1
PUMY-P48NHMU
PUMY-P48NHMU1
PUMY-P48NHMU2
PUMY-P48NHMUR3
PUMY-P36NHMU-BS
PUMY-P36NHMUR1-BS
PUMY-P48NHMU-BS
PUMY-P48NHMU
1-BS
PUMY-P48NHMU2-BS
PUMY-P48NHMUR3-BS
Revision:
•
14. RoHS PARTS LIST has
been modified in REVISED
EDITION-F.
• Some descriptions have been
modified.
• Please void OC366
REVISED EDITION-E.