Mitsubishi Electric MXZ-4F72VF User Manual

Models
MXZ-2F33VF
-
E1
,
ET1
MXZ-3F68VF
-
E1
,
ET1
,
E2
,
ET2
MXZ-2F33VF2
-
E1
,
ET1
MXZ-3F68VF2
-
E1
,
ET1
MXZ-2F33VF3
-
E1
,
ET1
MXZ-3F68VF3
-
E1
,
ET1
MXZ-2F42VF
-
E1
,
ET1
MXZ-4F72VF
-
E1
,
ET1
,
E2
,
ET2
MXZ-2F42VF2
-
E1
,
ET1
MXZ-4F72VF2
-
E1
,
ET1
MXZ-2F42VF3
-
E1
,
ET1
MXZ-4F72VF3
-
E1
,
ET1
MXZ-2F53VF
-
E1
,
ET1
MXZ-4F80VF2
-
E1
,
ET1
MXZ-2F53VF2
-
E1
,
ET1
MXZ-4F80VF3
-
E1
,
ET1
MXZ-2F53VF3
-
E1
,
ET1
MXZ-2F53VFH
-
E1
MXZ-2F53VFH2
-
E1
MXZ-2F53VFH3
-
E1
MXZ-3F54VF
-
E1
,
ET1
,
E2
,
ET2
MXZ-3F54VF2
-
E1
,
ET1
MXZ-3F54VF3
-
E1
,
ET1
HFC
utilized
R32
SERVICE MANUAL
No. OBH790
REVISED EDITION-D
OUTDOOR UNIT
PARTS CATALOG (OBB790)
Indoor unit service manual
MSZ-LN•VG Series (OBH766)
MSZ-LN•VG2 Series (OBH766)
MSZ-EF•VG Series (OBH589)
MSZ-AP•VF Series (OBH799)
MSZ-AP•VG Series (OBH788)
MSZ-BT•VG Series (OBH849)
MLZ-KP•VF Series (OBH801)
MFZ-KT•VG Series (OBH843)
SLZ-M•FA Series (OCH522)
SEZ-M•DA Series (HWE17040)
PCA-M•KA Series (OCH659)
PEAD-M•JA(L) Series (HWE16130)
CONTENTS
1. TECHNICAL CHANGES ··································· 4
2. SAFETY PRECAUTION ···································· 5
3. PART NAMES AND FUNCTIONS ··················· 16
4. SPECIFICATION ·············································· 17
5. NOISE CRITERIA CURVES ···························· 37
6. OUTLINES AND DIMENSIONS ······················ 39
7. WIRING DIAGRAM ·········································· 42
8. REFRIGERANT SYSTEM DIAGRAM ············· 60
9. PERFORMANCE CURVES ····························· 66
10. ACTUATOR CONTROL ··································· 91
11. SERVICE FUNCTIONS ···································· 92
12. TROUBLESHOOTING ····································· 97
13. DISASSEMBLY INSTRUCTIONS ·················· 124
MXZ-2F33VF MXZ-2F33VF2
MXZ-2F42VF MXZ-2F42VF2
MXZ-2F53VF MXZ-2F53VF2
MXZ-2F53VFH MXZ-2F53VFH2
MXZ-2F33VF3
MXZ-2F42VF3
MXZ-2F53VF3
MXZ-2F53VFH3
OBH790 REVISED EDITION-C is void.
Revision D:
• MXZ-2F33VF3-
E1
,
ET1
, MXZ-2F42VF3-
E1
,
ET1
, MXZ-2F53VF3-
E1
,
ET1
, MXZ-2F53VFH3-
E1
, MXZ-3F54VF3-
E1
,
ET1
, MXZ-3F68VF3-
E1
,
ET1
, MXZ-4F72VF3-
E1
,
ET1
and MXZ-
4F80VF3-
E1
,
ET1
have been added.

Mitsubishi Electric MXZ-4F72VF Specifications

General

Series	MXZ
Refrigerant	R410A
Number of Zones	4
Voltage (V)	208/230
Type	Heat Pump
Cooling Capacity	72000 BTU
Power Supply	1-phase, 60Hz

Summary

OUTDOOR UNIT SERVICE MANUAL

SAFETY PRECAUTION

Crucial safety guidelines and warnings for unit handling.

SPECIFICATION

Unit Specifications

Key technical data and parameters for outdoor units.

Electrical and Compressor Data

OUTLINES AND DIMENSIONS

Installation space requirements

Service space requirements

WIRING DIAGRAM

Outdoor unit circuit diagram

REFRIGERANT SYSTEM DIAGRAM

Maximum refrigerant piping length

Additional refrigerant charge

SERVICE FUNCTIONS

Automatic Line Correcting Function

TROUBLESHOOTING

CAUTIONS ON TROUBLESHOOTING

Precautions to take before starting troubleshooting procedures.

Failure Mode Recall Function

Procedure to retrieve stored error codes.

Troubleshooting Check Table

List of symptoms, indications, and remedies.

Test Point Diagram and Voltage

Electrical test points and voltage values for diagnosis.

DISASSEMBLY INSTRUCTIONS

Removing the cabinet and panels

Steps to access internal components of the unit.

Removing major components