SERVICE MANUAL
CONTENTS
1. FEATURES·························································3
2. PART NAMES AND FUNCTIONS······················4
3. SPECIFICATION·················································6
4. DATA···································································8
5. OUTLINES AND DIMENSIONS ·······················12
6. WIRING DIAGRAM ··········································14
7. REFRIGERANT SYSTEM DIAGRAM··············15
8. MICROPROCESSOR CONTROL ····················16
9. SERVICE FUNCTIONS ····································25
10. TROUBLESHOOTING······································27
11. DISASSEMBLY INSTRUCTIONS·····················40
12. PARTS LIST······················································44
13. OPTIONAL PARTS ······················BACK COVER
Wireless type
Models
MS24WN (W) · MU24WN
The Slim Line.
From Mitsubishi Electric.
Remote
controller
TM
SPLIT-TYPE, AIR CONDITIONERS
INDOOR UNIT
Indication of model name
MS24WN
OUTDOOR UNIT
Indication of model name
MU24WN
Revision:
● PARTS LIST have been partially modified.
● Please void OB311.
No. OB311
REVISED EDITION-A
OB311--1.qxp 04.1.13 9:53 AM Page 1
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