Mitsubishi Electric Mr.SLIM SUZ-M35VAR2.TH User Manual

TECHNICAL & SERVICE MANUAL
R32
[Model Name]
SUZ-M25VA
SUZ-M25VA-ET
SUZ-M25VA-ER
SUZ-M35VA
SUZ-M35VA-ET
SUZ-M35VA-ER
SUZ-M50VA
SUZ-M50VA-ET
SUZ-M50VA-ER
SUZ-M60VA
SUZ-M60VA-ET
SUZ-M60VA-ER
SUZ-M71VA
SUZ-M71VA-ET
SUZ-M71VA-ER
SUZ-M25VA.TH
SUZ-M35VA.TH
PARTS CATALOG (OCB684)
SPLIT-TYPE, HEAT PUMP AIR CONDITIONERS
[Service Ref.]
SUZ-M25VA.TH
SUZ-M25VAR1.TH
SUZ-M25VAR2.TH
SUZ-M25VA-ET.TH
SUZ-M25VA-ETR2.TH
SUZ-M25VA-ERR2.TH
SUZ-M35VA.TH
SUZ-M35VAR1.TH
SUZ-M35VAR2.TH
SUZ-M35VA-ET.TH
SUZ-M35VA-ETR2.TH
SUZ-M35VA-ERR2.TH
SUZ-M50VA.TH
SUZ-M50VAR1.TH
SUZ-M50VAR2.TH
SUZ-M50VA-ET.TH
SUZ-M50VA-ETR2.TH
SUZ-M50VA-ERR2.TH
SUZ-M60VA.TH
SUZ-M60VAR1.TH
SUZ-M60VAR2.TH
SUZ-M60VA-ET.TH
SUZ-M60VA-ETR2.TH
SUZ-M60VA-ERR2.TH
SUZ-M71VA.TH
SUZ-M71VAR1.TH
SUZ-M71VA-ET.TH
SUZ-M71VA-ETR1.TH
SUZ-M71VA-ERR1.TH
No. OCH684
REVISED EDITION-G
December 2022
Note:
•This service manual
describes service data of
the outdoor units only.
OCH684-F is void.
Revision:
• Connectable indoor units
have been added in
REVISED EDITION-G.
CONTENTS
TECHNICAL CHANGES ·························· 2
1. COMBINATION OF INDOOR AND
OUTDOOR UNITS ······························3
2. SAFETY PRECAUTION ·······················4
3. PARTS NAMES AND FUNCTIONS ······ 12
4. SPECIFICATION ······························ 13
5. NOISE CRITERIA CURVES ················ 15
6. OUTLINES AND DIMENSIONS ··········· 16
7. WIRING DIAGRAM ··························· 18
8. REFRIGERANT SYSTEM DIAGRAM ··· 22
9. ACTUATOR CONTROL ····················· 25
10. SERVICE FUNCTIONS ······················ 26
11. TROUBLESHOOTING ······················· 26
12. DISASSEMBLY PROCEDURE ············ 38
13. REMOTE CONTROLLER ··················· 49

Mitsubishi Electric Mr.SLIM SUZ-M35VAR2.TH Specifications

General

Model	SUZ-M35VAR2.TH
Brand	Mitsubishi Electric
Category	Air Conditioner
Type	Split System
Cooling Capacity	3.5 kW
Heating Capacity	4.0 kW
Coefficient of Performance (COP)	4.0
Power Supply	220-240 V, 50 Hz
Refrigerant	R32
Outdoor Unit Noise Level	49 dB(A)
Outdoor Unit Dimensions (WxHxD)	800 x 550 x 285 mm
Air Flow (Indoor Unit)	10.5 m³/min
Operating Temperature (Cooling)	-10 to 46°C
Operating Temperature (Heating)	-15 to 24°C

Summary

TECHNICAL CHANGES

2 SAFETY PRECAUTION

2-2. CAUTIONS RELATED TO NEW REFRIGERANT

Provides essential cautions for handling R32 refrigerant during preparation and service.

7 WIRING DIAGRAM

8 REFRIGERANT SYSTEM DIAGRAM

10 SERVICE FUNCTIONS

11 TROUBLESHOOTING

11-1. CAUTIONS ON TROUBLESHOOTING

11-2. TROUBLESHOOTING CHECK TABLE

Lists common symptoms, LED indications, conditions, and remedies for troubleshooting.

11-4. TROUBLE CRITERION OF MAIN PARTS

Describes methods to check the criteria for main parts like compressor, fan motor, and coils.

11-5. TROUBLESHOOTING FLOW

Provides step-by-step diagnostic flowcharts for checking inverter, compressor, and thermistors.

11-6. TEST POINT DIAGRAM AND VOLTAGE

13 REMOTE CONTROLLER

13-1. REMOTE CONTROLLER FUNCTIONS

13-2. ERROR INFORMATION

13-3. SERVICE MENU

13-4. TEST RUN

Explains how to perform test runs for cooling, heating, and vane operations using the remote.

13-5. FUNCTION SETTING

13-7. ERROR HISTORY

13-8. SELF-DIAGNOSIS

Outlines the procedure for performing self-diagnosis and checking error history via the remote.

13-9. REMOTE CONTROLLER CHECK