No. OCH574
September 2014
SPLIT-TYPE, HEAT PUMP AIR CONDITIONERS
TECHNICAL & SERVICE MANUAL
CONTENTS
1. SAFETY PRECAUTION ······································· 2
2. OVERVIEW OF UNIT ··········································· 5
3. SPECIFICATIONS ················································ 8
4. OUTLINES AND DIMENSIONS ··························· 9
5. WIRING DIAGRAM ············································· 10
6
. NECESSARY CONDITIONS FOR SYSTEM CONSTRUCTION··············
11
7. TROUBLESHOOTING ········································ 15
8. DISASSEMBLY PROCEDURE ··························· 24
BRANCH BOX
HFC
utilized
R410A
Note:
•Thisservicemanual
describestechnicaldataof
branchbox.Asforindoor
unitsandoutdoorunit,
refertoitsservicemanual.
PARTS CATALOG (OCB574)
[Service Ref.]
PAC-MK50BC
PAC-MK30BC
[Model Name]
<Branch box>
PAC-MK50BC
PAC-MK30BC
(IndispensableoptionalpartsforPUMY-P112/125/140VKM1andPUMY-P112/125/140YKM1)
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