SERVICE MANUAL
SPLIT-TYPE AIR CONDITIONERS
CONTENTS
1. FEATURES·························································3
2. TECHNICAL CHANGES ····································4
3. PART NAMES AND FUNCTIONS······················4
4. SPECIFICATIONS ··············································6
5. DATA···································································9
6. OUTLINES AND DIMENSIONS ·······················17
7. WIRING DIAGRAM ··········································19
8. REFRIGERANT SYSTEM DIAGRAM··············21
9. MICROPROCESSOR CONTROL ····················22
10. SERVICE FUNCTIONS·····································30
11. TROUBLESHOOTING······································31
12. DISASSEMBLY INSTRUCTIONS·····················39
13. PARTS LIST······················································47
14. OPTIONAL PARTS···········································55
Wireless type
Models
MS09NW
(WH)
· MU09NW
MS12NN
(WH)
· MU12NN
MS15NN
(WH)
· MU15NN
MS17NN
(WH)
· MU17NN
No. OB192
The Slim Line.
From Mitsubishi Electric.
MS12NN
MS15NN
MS17NN
INDOOR UNIT
MU12NN
MU15NN
MU17NN
OUTDOOR UNIT
Remote
controller
Refer to our Service Manual OB202 when the indoor unit is used in the multi-system operation.
Applied models are MS09NW and MS15NN.
OB192--1.qxp 23/6/97 11:44 PM Page 1
