Mitsubishi Electric Mr.Slim MU-A30ND-S2 User Manual

CONTENTS
1. TECHNICAL CHANGES ····································2
2. PART NAMES AND FUNCTIONS······················3
3. SPECIFICATION·················································3
4. OUTLINES AND DIMENSIONS ·························4
5. WIRING DIAGRAM ············································6
6. REFRIGERANT SYSTEM DIAGRAM ················8
7. PERFORMANCE CURVES······························10
8. TROUBLESHOOTING······································12
9. DISASSEMBLY INSTRUCTIONS ····················21
10. PARTS LIST······················································27
11. RoHS PARTS LIST···········································30
SPLIT-TYPE AIR CONDITIONERS
TM
MU-A18ND
MU-A18ND-
MU-A18ND-
MU-A24ND-
MU-A24ND-
MU-A30ND-
MU-A30ND-
S2
S1
S2
S1
S2
S1
Indoor unit service manual
MS-A• ND Series (OB404)
No. OB405
REVISED EDITION-E
SERVICE MANUAL
Models
OUTDOOR UNIT
NOTE:
• This service manual describes technical data of the outdoor units.
• RoHS compliant products have <G> mark on the spec name plate.
For servicing of RoHS compliant products, refer to the RoHS Parts List.
Please void OB405 REVISED EDITION-D.
Revision E:
• SPECIFICATION has been modified.
OB405E.qxp 09.10.14 9:16 AM Page 1

Mitsubishi Electric Mr.Slim MU-A30ND-S2 Specifications

General

Brand	Mitsubishi Electric
Model	Mr.Slim MU-A30ND-S2
Category	Air Conditioner
Language	English

Summary

Technical Changes

Part Names and Functions

Specifications

Outlines and Dimensions

Wiring Diagram

Refrigerant System Diagram

Performance Curves

Troubleshooting

Troubleshooting Precautions

Essential safety and preparation steps before starting troubleshooting procedures.

Troubleshooting Flowcharts

Diagnostic flowcharts to identify and resolve common operational issues.

Component Troubleshooting Criteria

Resistance and operational criteria for diagnosing key components.

Compressor and Fan Motor Troubleshooting

Step-by-step guide for diagnosing compressor and outdoor fan motor failures.

Deicer PC Board Test Points and Voltage

Diagrams and voltage specifications for testing the outdoor deicer PC board.

Disassembly Instructions

MU-A18ND Outdoor Unit Disassembly

Procedure for disassembling the MU-A18ND outdoor unit, including cabinet and parts.

MU-A24ND Outdoor Unit Disassembly

Procedure for disassembling the MU-A24ND outdoor unit, including cabinet and parts.

MU-A30ND Outdoor Unit Disassembly

Procedure for disassembling the MU-A30ND outdoor unit, including cabinet and deicer PC board.

Parts List (Non-RoHS Compliant)

RoHS Parts List (RoHS Compliant)