Mitsubishi Electric SUH-2VR - 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

Summary

TECHNICAL CHANGES

COMBINATION OF INDOOR OUTDOOR UNITS

PART NAMES AND FUNCTIONS

SPECIFICATIONS

DATA

NOISE CRITERION CURVES

Octave band sound pressure levels for various outdoor units.

OUTLINES AND DIMENSIONS

WIRING DIAGRAM

REFRIGERANT SYSTEM DIAGRAM

MAX. REFRIGERANT PIPING LENGTH & MAX. HEIGHT DIFFERENCE

ADDITIONAL REFRIGERANT CHARGE (R-22: g)

Guidance on additional refrigerant required for extended piping lengths.

EVACUATION PROCEDURES

TROUBLESHOOTING

Test point of P.C. board

Identifies key test points on the deicer P.C. board for troubleshooting.

Trouble criterion of main parts

Specifies normal/abnormal resistance values for key components.

DISASSEMBLY PROCEDURE

Removing the cabinet

Steps to remove the outer cabinet of the outdoor unit.

Removing the deicer P.C. board

Steps to remove the deicer P.C. board.

Removing the propeller fan and the outdoor fan motor

Steps to remove the fan assembly.

Removing the compressor

Steps for safe removal of the compressor.

PARTS LIST

OUTDOOR UNIT STRUCTURAL PARTS

Lists structural components of the outdoor unit with part numbers.

Mitsubishi Electric SUH-2VR Specifications