Mitsubishi Electric SUH-1.6VR2 User Manual

TECHNICAL & SERVICE MANUAL
SPLIT-TYPE, HEAT PUMP AIR CONDITIONERS
SPLIT-TYPE, AIR CONDITIONERS
CONTENTS
1. TECHNICAL CHANGES ···········································2
2. COMBINATION OF INDOOR OUTDOOR UNITS·····2
3. PART NAMES AND FUNCTIONS·····························3
4. SPECIFICATIONS ·····················································4
5. DATA··········································································7
6. OUTLINES AND DIMENSIONS ······························10
7. WIRING DIAGRAM ·················································13
8. REFRIGERANT SYSTEM DIAGRAM ···························19
9. TROUBLESHOOTING ············································28
10. DISASSEMBLY PROCEDURE ·······························32
11. PARTS LIST ····························································48
No. OC282
REVISED EDITION-B
OUTDOOR UNIT
Outdoor unit
[Model names] [Service Ref.]
SUH-1VR SUH-1VR.TH
SUH-1.6VR SUH-1.6VR.TH
SUH-1.6VR2 SUH-1.6VR2.TH
SUH-2VR SUH-2VR.TH SUH-2VR
1
.TH SUH-2VR
2
.TH
SUH-2.5VR SUH-2.5VR.TH
SU-1.6NR SU-1.6NR.TH
SU-2NR SU-2NR.TH
SU-2.5NR SU-2.5NR.TH
SU-1VR SU-1VR.TH SU-1VR.TH-T
SU-1.6VR SU-1.6VR.TH SU-1.6VR.TH-T
SU-1.6VR2 SU-1.6VR2.TH SU-1.6VR2.TH-T
SU-2VR SU-2VR.TH SU-2VR.TH-T
SU-2VR
1
.TH SU-2VR
1
.TH-T
SU-2.5VR SU-2.5VR.TH SU-2.5VR.TH-T
• SU-1VR.TH-T, SU-1.6VR2.TH-T and SU-2VR1.TH-T
has been added.
• Instruction of troubleshooting has been added to
pege 29 ans 30.
• Please void OC282 REVISED EDITION-A.
OC282-A--1.qxp 03.1.28 4:29 PM Page 1

Mitsubishi Electric SUH-1.6VR2 Specifications

General

Brand	Mitsubishi Electric
Model	SUH-1.6VR2
Category	Air Conditioner
Language	English

Summary

1 TECHNICAL CHANGES

2 COMBINATION OF INDOOR OUTDOOR UNITS

3 PART NAMES AND FUNCTIONS

4 SPECIFICATIONS

5 DATA

Noise Criterion Curves - SUH Models

Presents octave band sound pressure levels for SUH models.

Noise Criterion Curves - SU/SUH Models

Presents octave band sound pressure levels for SU and SUH models.

Noise Criterion Curves - SU Models

Presents octave band sound pressure levels for SU models.

6 OUTLINES AND DIMENSIONS

7 WIRING DIAGRAM

Wiring Diagrams - SUH Models

Illustrates electrical connections for SUH outdoor units.

Wiring Diagrams - SU Models

Illustrates electrical connections for SU outdoor units.

8 REFRIGERANT SYSTEM DIAGRAM

Refrigerant Flow Diagrams - SUH Models

Diagrams showing refrigerant flow for SUH outdoor units.

Refrigerant Flow Diagrams - SU Models

Diagrams showing refrigerant flow for SU outdoor units.

MAX. REFRIGERANT PIPING LENGTH & MAX. HEIGHT DIFFERENCE

Refrigerant Piping Specs and Additional Charge

Details piping limits and extra refrigerant charge requirements.

EVACUATION PROCEDURES

9 TROUBLESHOOTING

P.C. Board Test Points & Defrost Thermistor

Guides for checking P.C. board test points and defrost thermistor.

Trouble Criteria for Main Parts

Provides resistance criteria for defrost thermistor, compressor, and fan motor.

10 DISASSEMBLY PROCEDURE: Cabinet and Electrical Parts

10 DISASSEMBLY PROCEDURE: Fan Motor and Compressor

10 DISASSEMBLY PROCEDURE: Heat Exchanger and Compressor

11 PARTS LIST