Mitsubishi Electric MXZ-4F80VF4-E1 User Manual

HFC
utilized
R32
SERVICE MANUAL
No. OBH790
REVISED EDITION-L
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)
MSZ-AY•VG Series (OBH930, 932)
MLZ-KP•VF Series (OBH801)
MFZ-KT•VG Series (OBH843)
MLZ-KY•VG Series (OBH921)
SLZ-M•FA Series (OCH522)
SEZ-M•DA Series (HWE17040)
CONTENTS
• INDOOR / OUTDOOR UNIT
COMPATIBILITY TABLE ·······················4
1. TECHNICAL CHANGES ······························7
2. SAFETY PRECAUTION ·······························9
3. PART NAMES AND FUNCTIONS ················19
4. SPECIFICATION ······································21
5. NOISE CRITERIA CURVES ························58
6. OUTLINES AND DIMENSIONS ··················· 62
7. WIRING DIAGRAM ··································· 70
8. REFRIGERANT SYSTEM DIAGRAM ··········111
9. PERFORMANCE CURVES ······················· 122
10. ACTUATOR CONTROL ··························· 171
11. SERVICE FUNCTIONS ···························· 172
12. TROUBLESHOOTING ····························· 179
13. DISASSEMBLY INSTRUCTIONS ··············· 214
MXZ-2F33VF2
MXZ-2F42VF2
MXZ-2F53VF2
MXZ-2F53VFH2
MXZ-2F33VF3
MXZ-2F42VF3
MXZ-2F53VF3
MXZ-2F53VFH3
MXZ-2F33VF4
MXZ-2F42VF4
MXZ-2F53VF4
MXZ-2F53VFH4
OBH790 REVISED EDITION-K is void.
MXZ-2F33VF
MXZ-2F42VF
MXZ-2F53VF
MXZ-2F53VFH
Models
MXZ-2F33VF -
E1
,
ET1
MXZ-3F68VF -
E1
,
ET1
,
E2
,
ET2
MXZ-2F33VF2 -
E1
,
ET1
MXZ-3F68VF2 -
E1
,
ET1
MXZ-2F33VF3 -
E1
,
ET1
,
ER1
,
E2
MXZ-3F68VF3 -
E1
,
ET1
,
ER1
MXZ-2F33VF4 -
E1
,
ET1
MXZ-3F68VF4 -
E1
,
ET1
MXZ-2F42VF -
E1
,
ET1
MXZ-4F72VF -
E1
,
ET1
,
E2
,
ET2
MXZ-2F42VF2 -
E1
,
ET1
MXZ-4F72VF2 -
E1
,
ET1
MXZ-2F42VF3 -
E1
,
ET1
,
ER1
,
E2
MXZ-4F72VF3 -
E1
,
ET1
,
ER1
MXZ-2F42VF4 -
E1
,
ET1
MXZ-4F72VF4 -
E1
,
ET1
MXZ-2F53VF -
E1
,
ET1
MXZ-4F80VF2 -
E1
,
ET1
MXZ-2F53VF2 -
E1
,
ET1
MXZ-4F80VF3 -
E1
,
ET1
MXZ-2F53VF3 -
E1
,
ET1
,
ER1
,
E2
MXZ-4F80VF4 -
E1
,
ET1
MXZ-2F53VF4 -
E1
,
ET1
MXZ-4F83VF -
E1
,
ET1
,
ER1
MXZ-2F53VFH -
E1
MXZ-4F83VF2 -
E1
,
ET1
MXZ-2F53VFH2 -
E1
MXZ-5F102VF -
E1
,
ET1
,
ER1
MXZ-2F53VFH3 -
E1
,
E2
MXZ-5F102VF2 -
E1
,
ET1
MXZ-2F53VFH4 -
E1
MXZ-6F120VF2 -
E1
,
ET1
MXZ-3F54VF -
E1
,
ET1
,
E2
,
ET2
MXZ-6F122VF -
E1
,
ET1
,
ER1
MXZ-3F54VF2 -
E1
,
ET1
MXZ-2F53VFHZ -
E1
,
ER1
MXZ-3F54VF3 -
E1
,
ET1
,
ER1
,
E2
,
ET2
,
ER2
MXZ-2F53VFHZ2 -
E1
MXZ-3F54VF4 -
E1
,
ET1
MXZ-4F83VFHZ -
E1
,
ER1
MXZ-4F83VFHZ2 -
E1
Revision L:
• MXZ-2F33/42/53VF4 -
E1
,
ET1
,
MXZ-2F53VFH4 -
E1
, MXZ-3F54/68VF4 -
E1
,
ET1
,
MXZ-4F72/80VF4 -
E1
,
ET1
, MXZ-4F83VF2 -
E1
,
ET1
,
MXZ-5F102VF2 -
E1
,
ET1
, MXZ-6F120VF2 -
E1
,
ET1
,
MXZ-2F53VFHZ2 -
E1
and MXZ-4F83VFHZ2 -
E1
have been added.
SFZ-M•VA Series (HWE19090)
PCA-M•KA Series (OCH659)
PEAD-M•JA(L) Series (HWE16130)
PEAD-M•JA(L)2 Series (HWE21070)

Mitsubishi Electric MXZ-4F80VF4-E1 Specifications

General

Type	Multi-split
Series	MXZ
Cooling Capacity	8.0 kW
Heating Capacity	9.0 kW
Power Supply	220-240 V, 50 Hz
Refrigerant	R410A
Operating Temperature (Heating)	-15°C to 24°C
Indoor Units Compatibility	Up to 4 indoor units
Sound Level (dB(A))	52 dB(A)

Summary

Safety Precautions

General Safety Precautions

General safety rules to follow before accessing terminals.

Cautions for R32 Refrigerant Units

Specific safety measures for units using R32 refrigerant.

Service Warnings and Cautions

Critical warnings and guidelines for service operations.

R32 Unit Safety Cautions

Detailed safety precautions for units using R32 refrigerant.

Technical Specifications

Outdoor Unit Installation Location and Area

Guidelines for selecting installation site and minimum space requirements.

Part Names and Functions

Identification of unit components and accessories.

MXZ-2F33VF Specifications

Detailed technical specifications for the MXZ-2F33VF model.

Outlines and Dimensions

External dimensions and installation space for various MXZ models.

System Diagrams and Performance Data

Refrigerant System Diagrams

Diagrams showing refrigerant flow and piping for various MXZ series.

Capacity and Input Correction Curves

Performance curves based on operating conditions for different MXZ models.

Outdoor Unit Pressure and Current Curves

Curves showing pressure and current vs. ambient conditions for MXZ models.

Fixed-Frequency Operation Test Run

Procedure for conducting a test run of fixed-frequency operation.

Capacity/Input Correction by Inverter Frequency

Curves showing capacity/input correction by frequency for MXZ models.

Unit Operations and Functions

Actuator Control via Sensors

Service Functions and Settings

Features like mode locking, low power, noise reduction, and line correction.

Lowering Outdoor Unit Operating Noise

Automatic Line Correcting Function

Troubleshooting Guide

Troubleshooting Cautions and Procedures

Failure Mode Recall Function

Outdoor Unit Failure Mode Recall Table

Troubleshooting Flowcharts

Disassembly Instructions

Removing the Cabinet and Panels

Removing Inverter Assembly and P.C. Board

Removing Outdoor Control/Power Boards and Reactor

Removing Fan Motor

Removing Expansion Valve

Removing Defrost Heater

Board/Reactor Removal (MXZ-2F53VFHZ Series)

Board/Reactor Removal (MXZ-6F120VF2 Series)

Removing the Fan Motor

Removing the Defrost Heater

Removing Compressor and 4-Way Valve

Removing the Expansion Valve