SERVICE MANUAL
CONTENTS
1. TECHNICAL CHANGES ····································2
2. PART NAMES AND FUNCTIONS······················3
3. SPECIFICATION·················································5
4. OUTLINES AND DIMENSIONS ·························6
5. WIRING DIAGRAM ············································7
6. REFRIGERANT SYSTEM DIAGRAM················7
7. SERVICE FUNCTIONS ······································8
8. TROUBLESHOOTING········································9
9. DISASSEMBLY INSTRUCTIONS ····················21
10. PARTS LIST······················································24
10-1. PARTS LIST··············································24
10-2. RoHS PARTS LIST···································27
11. MICROPROCESSOR CONTROL·····················30
Wireless type
Models
MS-A09WA
MS-A09WA -
MS-A12WA
MS-A12WA -
1
1
SPLIT-TYPE AIR CONDITIONERS
NOTE:
RoHS compliant products have <G> mark on the spec name plate.
For servicing of RoHS compliant products, refer to the RoHS PARTS
LIST (RoHS compliant).
INDOOR UNIT
Outdoor unit service manual
MU-A•WA Series (OB449)
Revision A:
• MS-A•WA- have been added.
1
Please void OB448.
No. OB448
REVISED EDITION-A
OB448A-1.qxp 07.5.14 4:20 PM Page 1
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