Mitsubishi Electric MUZ-EF35VE User Manual

NOTE:
RoHS compliant products have <G> mark on the spec name plate.
OUTDOOR UNIT
No. OBH590
REVISED EDITION-G
HFC
utilized
R410A
SERVICE MANUAL
Indoor unit service manual
MSZ-EF•VE Series (OBH589)
PARTS CATALOG (OBB590)
MUZ-EF25VE MUZ-EF25VEH
MUZ-EF35VE MUZ-EF35VEH
MUZ-EF42VE
Please void OBH590 REVISED EDITION-F.
Models
MUZ-EF25VE
-
E1
,
E2
,
E3
,
E4
,
E5
,
ER3
,
ER4
,
ER5
,
ET3
,
ET4
,
ET5
MUZ-EF25VEH
-
E1
,
E2
,
E3
,
E4
,
ER2
,
ER3
,
ET2
,
ET3
MUZ-EF35VE
-
E1
,
E2
,
E3
,
E4
,
E5
,
ER3
,
ER4
,
ER5
,
ET3
,
ET4
,
ET5
MUZ-EF35VEH
-
E1
,
E2
,
E3
,
E4
,
ER2
,
ER3
,
ET2
,
ET3
MUZ-EF42VE
-
E1
,
E2
,
E3
,
E4
,
E5
,
ER3
,
ER4
,
ER5
,
ET3
,
ET4
,
ET5
MUZ-EF50VE
-
E1
,
E2
,
E3
,
ER2
,
ER3
,
ET2
,
ET3
Revision G:
• MUZ-EF25/35/42VE -
E5
,
ER5
,
ET5
, MUZ-EF50VE -
E3
,
ER3
,
ET3
and MUZ-EF25/35VEH -
E4
have been
added.
CONTENTS
1. TECHNICAL CHANGES ··································· 2
2. PART NAMES AND FUNCTIONS ····················· 5
3. SPECIFICATION ················································ 6
4. NOISE CRITERIA CURVES ······························ 8
5. OUTLINES AND DIMENSIONS ························ 9
6. WIRING DIAGRAM ·········································· 10
7. REFRIGERANT SYSTEM DIAGRAM ············· 15
8. PERFORMANCE CURVES ····························· 17
9. ACTUATOR CONTROL ··································· 31
10. SERVICE FUNCTIONS ···································· 32
11. TROUBLESHOOTING ····································· 32
12. DISASSEMBLY INSTRUCTIONS ···················· 51

Mitsubishi Electric MUZ-EF35VE Specifications

General

Brand	Mitsubishi Electric
Model	MUZ-EF35VE
Category	Air Conditioner
Language	English

Summary

Technical Changes

Part Names and Functions

Specification

Noise Criteria Curves

Outlines and Dimensions

Wiring Diagram

Refrigerant System Diagram

Performance Curves

8-1. Capacity and Input Curves

Charts showing cooling capacity and input based on operating conditions.

Actuator Control

9-1. Outdoor Fan Motor Control

Control logic for the outdoor fan motor, interlocking with compressor operation.

9-2. R.V. Coil Control

Control logic for the reversing valve (R.V.) coil in cooling and heating modes.

9-3. Relation Between Main Sensor and Actuator

Table mapping sensors to their purpose and the actuators they control.

Service Functions

10-1. Change in Defrost Setting

Procedure to modify the defrost finish temperature via jumper wire settings.

10-2. Pre-Heat Control Setting

Explanation and activation method for the pre-heat control to prevent issues in cold weather.

Troubleshooting

11-1. Cautions on Troubleshooting

Safety and procedural precautions before and during troubleshooting.

11-2. Failure Mode Recall Function

Procedure for recalling and interpreting stored failure codes from the unit.

11-3. Troubleshooting Check Table

A detailed table mapping LED indications to specific faults, conditions, and remedies.

11-4. Trouble Criterion of Main Parts

Criteria for checking the resistance and voltage of main components for troubleshooting.

11-5. Troubleshooting Flow

Diagnostic flowcharts for checking specific components like the compressor and inverter.

Disassembly Instructions

12-1. MUZ-EF25VE MUZ-EF25VEH MUZ-EF35VE MUZ-EF35VEH MUZ-EF42VE

Step-by-step instructions and photos for disassembling the outdoor unit for specific models.

12-2. MUZ-EF50VE

Step-by-step instructions and photos for disassembling the MUZ-EF50VE outdoor unit.