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Mitsubishi Electric MXZ-6F122VF-ER1 User Manual

Mitsubishi Electric MXZ-6F122VF-ER1
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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)
Question and Answer IconNeed help?

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Mitsubishi Electric MXZ-6F122VF-ER1 Specifications

General IconGeneral
TypeMulti-Split Air Conditioner
Cooling Capacity (kW)12.2
Cooling Capacity (BTU/h)41600
Seasonal Energy Efficiency Ratio (SEER)6.1
Heating Seasonal Performance Factor (HSPF)4.0
Energy Efficiency Class (Heating)A++
RefrigerantR32
Power Supply220-240V, 50Hz
Maximum Number of Connectable Indoor Units6
Operating Temperature Range (Heating)-15°C to 24°C
Indoor Unit Dimensions (HxWxD)Varies by model
Indoor Unit WeightVaries by model
Energy Efficiency Class (Cooling)A
Operating Temperature Range (Cooling)-10°C to 46°C
Indoor Unit CompatibilityCompatible with Mitsubishi Electric indoor units

Summary

Outdoor Unit Service Manual

Use Specified Refrigerant

Preparation Before Repair Service

Steps to prepare for air conditioner repair, including tools, ventilation, and power disconnection.

Precautions During Repair Service

Safety measures to follow while working on the air conditioner, such as avoiding wet hands and touching live parts.

General Safety Precautions

Observe Safety During Service

Essential safety steps to follow before accessing any electrical supply or terminal.

Cautions for New Refrigerant (R32)

Specific safety guidelines for handling R32 refrigerant during servicing, including preparation and precautions.

Service Warnings and Procedures

Service Cautions

Specific cautions for service operations, such as refrigerant recovery, charging, and filter drier replacement.

Additional Refrigerant Charging

Guidelines for adding refrigerant, including procedures for liquid and gas charging and potential compressor issues.

R32 Refrigerant Unit Cautions

Reusing Refrigerant Pipes (R22/R410a)

Cautions for Refrigerant Piping Work

Guidelines on refrigerant piping work, including pipe thickness, flare cutting, and tool requirements for R32.

Refrigerant Charging Method

Pumping Down Procedure

Troubleshooting Guide

Cautions for Troubleshooting

General precautions and checks before performing troubleshooting, including power supply and wiring verification.

Troubleshooting Instructions

Troubleshooting Check Table

Troubleshooting Flowcharts

Outdoor Unit Does Not Operate Troubleshooting

Flowchart for diagnosing issues when the outdoor unit does not operate.

How to Check Miswiring and Serial Signal Error

Step-by-step guide to diagnose miswiring or serial signal errors affecting outdoor unit operation.

Inverter/Compressor Check

Disassembly Instructions

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