SERVICE MANUAL
CONTENTS
1. FEATURES·························································3
2. PART NAMES AND FUNCTIONS······················4
3. SPECIFICATION·················································6
4. DATA···································································8
5. OUTLINES AND DIMENSIONS ·······················13
6. WIRING DIAGRAM ··········································15
7. REFRIGERANT SYSTEM DIAGRAM··············16
8. MICROPROCESSOR CONTROL ····················17
9. SERVICE FUNCTIONS ····································29
10. TROUBLESHOOTING······································31
11. DISASSEMBLY INSTRUCTIONS·····················44
12. PARTS LIST······················································48
13. OPTIONAL PARTS ······················BACK COVER
Wireless type
Models
MSH24WN (W) · MUH24WN
SPLIT-TYPE, HEAT PUMP AIR CONDITIONERS
The Slim Line.
From Mitsubishi Electric.
INDOOR UNIT
Indication of model name
MSH24WN
OUTDOOR UNIT
Indication of model name
MUH24WN
Remote
controller
TM
Revision:
● PARTS LIST have been partially modified.
● Please void OB310.
No. OB310
REVISED EDITION-A
OB310--1.qxp 04.1.13 9:47 AM Page 1