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Mitsubishi Electric MXZ-4C36NAHZ User Manual

Mitsubishi Electric MXZ-4C36NAHZ
164 pages
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TECHNICAL & SERVICE MANUAL
CONTENTS
TECHNICAL CHANGES
.........................................
2
1. SAFETY PRECAUTION
....................................
3
2. OVERVIEW OF UNITS
......................................
6
3. SPECIFICATIONS
............................................
10
4. DATA
................................................................
14
5. OUTLINES AND DIMENSIONS
......................
36
6. WIRING DIAGRAM
.........................................
40
7.
NECESSARY CONDITIONS FOR SYSTEM CONSTRUCTION
....
47
8. TROUBLESHOOTING
....................................
52
9.
PRECAUTIONS AGAINST REFRIGERANT LEAKAGE
....
141
10. DISASSEMBLY PROCEDURE
......................
142
No. OCH573
REVISED EDITION-E
MXZ-4C36NAHZ MXZ-4C36NAHZ-U1
MXZ-5C42NAHZ MXZ-5C42NAHZ-U1
MXZ-8C48NAHZ MXZ-8C48NAHZ-U1
MXZ-8C48NA MXZ-8C48NA-U1
MXZ-8C60NA-U1
PAC-MKA50BC
PAC-MKA30BC
PAC-MKA51BC
PAC-MKA31BC
HFC
utilized
R410A
Februray 2018
Notes:
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[Model Name]
<Outdoor unit>
MXZ-4C36NAHZ
MXZ-5C42NAHZ
MXZ-8C48NAHZ
MXZ-8C48NA
MXZ-8C60NA
<Branch box>
PAC-MKA50BC
PAC-MKA30BC
PAC-MKA51BC
PAC-MKA31BC
PARTS CATALOG (OCB573)
[Service Ref.]
OUTDOOR UNIT: MXZ-4C36NAHZ
BRANCH BOX: PAC-MKA51BC
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Questions and Answers:

Mitsubishi Electric MXZ-4C36NAHZ Specifications

General IconGeneral
Cooling Capacity36, 000 BTU/h
Seasonal Energy Efficiency Ratio (SEER)18.0
RefrigerantR410A
Voltage208/230V
PhaseSingle
Maximum Number of Connectable Indoor Units4
SeriesMXZ
Compressor TypeInverter
Power Supply208/230V, 60Hz
Indoor Unit Noise Level19-44 dB
Indoor Unit Dimensions (HxWxD)Varies by model
Indoor Unit WeightVaries by model
TypeMulti-Zone

Summary

SAFETY PRECAUTION

R410A REFRIGERANT SAFETY CAUTIONS

Specific safety measures for using R410A refrigerant.

PRODUCT SPECIFICATIONS

BRANCH BOX TECHNICAL SPECIFICATIONS

SYSTEM DATA AND SELECTION

TEMPERATURE-BASED CAPACITY CORRECTION

EQUIVALENT PIPING LENGTH CALCULATION METHOD

HEATING CAPACITY CORRECTION FOR FROST/DEFROST

STANDARD CAPACITY DIAGRAMS

BRANCH BOX DIMENSIONAL DRAWINGS

ELECTRICAL WIRING DIAGRAMS

OUTDOOR UNIT WIRING DIAGRAMS

Wiring diagrams for outdoor units of various models.

BRANCH BOX WIRING ( MODELS PAC-MKA50BC/30BC)

BRANCH BOX WIRING ( MODELS PAC-MKA51BC/31BC)

REFRIGERANT FLOW AND SYSTEM DIAGRAMS

TYPICAL SYSTEM CONTROL LOGIC

SYSTEM TROUBLESHOOTING GUIDE

GENERAL TROUBLESHOOTING STEPS

General guidance for diagnosing and resolving unit issues.

SELF-DIAGNOSIS ERROR FLOWCHARTS

Flowcharts for diagnosing and resolving system errors via check codes.

COMPONENT CHECK PROCEDURES

THERMISTOR RESISTANCE CHARACTERISTICS

LINEAR EXPANSION VALVE TROUBLESHOOTING

INTERNAL SWITCH FUNCTIONALITY TABLE

REMOTE CONTROLLER FUNCTION SELECTION GUIDE

REFRIGERANT LEAKAGE PRECAUTIONS

GENERAL REFRIGERANT LEAKAGE PRECAUTIONS

General precautions to prevent and manage refrigerant leaks.

COMPONENT DISASSEMBLY PROCEDURES

OUTDOOR UNIT DISASSEMBLY STEPS

Step-by-step guide for disassembling the outdoor unit.

BRANCH BOX DISASSEMBLY STEPS

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