Mitsubishi Electric MUZ-RW50VGHZ-SC1 User Manual

MUZ-RW25VGHZ
-
E1
,
SC1
MUZ-RW35VGHZ
-
E1
,
SC1
MUZ-RW50VGHZ
-
E1
,
SC1
SERVICE MANUAL
Models
OUTDOOR UNIT
Indoor unit service manual
MSZ-RW•VG Series (OBH902)
PARTS CATALOG (OBB903)
CONTENTS
1. TECHNICAL CHANGES ······························ 2
2. SERVICING PRECAUTIONS FOR UNITS
USING REFRIGERANT R32 ························· 3
3. PART NAMES AND FUNCTIONS ··················5
4. SPECIFICATION ········································· 6
5. NOISE CRITERIA CURVES ·························· 8
6. OUTLINES AND DIMENSIONS ····················· 9
7. WIRING DIAGRAM ··································· 11
8. REFRIGERANT SYSTEM DIAGRAM ··········· 12
9. PERFORMANCE CURVES ························· 14
10. ACTUATOR CONTROL ····························· 25
11. SERVICE FUNCTIONS ······························ 26
12. TROUBLESHOOTING ······························· 27
13. DISASSEMBLY INSTRUCTIONS ················· 48
MUZ-RW25VGHZ
MUZ-RW35VGHZ
No. OBH903
HFC
utilized
R32

Mitsubishi Electric MUZ-RW50VGHZ-SC1 Specifications

General

Cooling Capacity	5.0 kW
Power Supply	220-240V, 50Hz
Refrigerant	R32
Outdoor Unit Dimensions (WxHxD)	800 x 550 x 285 mm
Type	Split System
Noise Level (Outdoor)	50 dB(A)

Summary

Servicing Precautions for Refrigerant R32 Units

Unit Specifications

Outlines and Dimensions

Wiring Diagram

Refrigerant System Diagram

Performance Curves

Actuator Control

Outdoor Fan Motor Control

R.V. Coil Control Logic

Sensor to Actuator Relationship

Service Functions

Troubleshooting

Troubleshooting Cautions

Important safety warnings and precautions before starting troubleshooting.

Failure Mode Recall Function

How to recall and identify past abnormal conditions and failures.

Troubleshooting Check Table

Troubleshooting Criterion of Main Parts

Troubleshooting Flow

Step-by-step diagnostic flowcharts for various fault conditions.