Mitsubishi Electric MXZ-3F68VF4 -ET1 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-3F68VF4 -ET1 Specifications

General

Category	Air Conditioner
Brand	Mitsubishi Electric
Model	MXZ-3F68VF4 -ET1
Type	Multi-Split
Cooling Capacity	6.8 kW
Number of Connectable Indoor Units	3
Power Supply	220-240 V, 50 Hz
Refrigerant	R32
Energy Efficiency Ratio (Heating)	4.0
Noise Level (Indoor)	19 dB
Dimensions (Indoor Unit)	Varies by model
Weight (Indoor Unit)	Varies by model

Summary

Outdoor Unit Service Manual

1. Technical Changes

Details modifications and additions in various revisions of the service manual, including new models and component updates.

2. Safety Precautions

Essential safety guidelines and warnings for handling refrigerants and performing service on the air conditioning units.

3. Part Names and Functions

Identifies and describes the various components and their functions within the outdoor unit assembly.

4. Specification

Lists the technical specifications of the outdoor units, including electrical data, capacity, and dimensions.

5. Noise Criteria Curves

Provides graphical data on sound pressure levels across different frequencies for various outdoor unit models.

6. Outlines and Dimensions

Shows the physical dimensions and installation space requirements for the outdoor units.

7. Wiring Diagram

Illustrates the electrical connections and component layout for troubleshooting and maintenance.

8. Refrigerant System Diagram

Details the refrigerant flow and piping configurations for different model combinations.

9. Performance Curves

Presents graphical data on capacity and input correction factors based on operating conditions.

10. Actuator Control

Explains how sensors interact with actuators for unit operation and protection.

11. Service Functions

Describes special functions and settings for service technicians, including mode locking and noise reduction.

12. Troubleshooting

Provides a systematic approach to diagnosing and resolving common unit issues.

13. Disassembly Instructions

Step-by-step guides for safely disassembling outdoor unit components for maintenance or repair.