TECHNICAL & SERVICE MANUAL
CONTENTS
1. SAFETY PRECAUTION
....................................
2
2. OVERVIEW OF UNITS
......................................
5
3. SPECIFICATIONS
.............................................
9
4. DATA
................................................................
12
5. OUTLINES AND DIMENSIONS
......................
23
6. WIRING DIAGRAM
.........................................
25
7.
NECESSARY CONDITIONS FOR SYSTEM CONSTRUCTION
....
28
8. TROUBLESHOOTING
....................................
32
9.
PRECAUTIONS AGAINST REFRIGERANT LEAKAGE
....
132
10. DISASSEMBLY PROCEDURE
......................
133
No. OCH573
MXZ-4C36NAHZ
MXZ-5C42NAHZ
MXZ-8C48NAHZ
MXZ-8C48NA
PAC-MKA50BC
PAC-MKA30BC
HFC
utilized
R410A
August 2014
Notes:
• This service manual
describes technical data of
outdoor unit and branch box.
As for indoor units, refer to
its service manual.
• RoHS compliant products
have <G> mark on the spec
name plate.
[Model Name]
<Outdoor unit>
MXZ-4C36NAHZ
MXZ-5C42NAHZ
MXZ-8C48NAHZ
MXZ-8C48NA
<Branch box>
PAC-MKA50BC
PAC-MKA30BC
(Indispensable optional parts for MXZ-4C36/5C42/8C48NAHZ and MXZ-8C48NA)
PARTS CATALOG (OCB573)
[Service Ref.]
OUTDOOR UNIT: MXZ-4C36NAHZ
BRANCH BOX: PAC-MKA50BC
Model name
indication
SPLIT-TYPE, HEAT PUMP AIR CONDITIONERS
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