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 ··············· 9
7. SERVICE FUNCTIONS ··································· 10
8. MICROPROCESSOR CONTROL ··················· 12
9. TROUBLESHOOTING ····································· 22
10. DISASSEMBLY INSTRUCTIONS ···················· 36
MSZ-FE09NA
MSZ-FE12NA
MSZ-FE18NA
SPLIT-TYPE AIR CONDITIONERS
INDOOR UNIT
Outdoor unit service manual
MUZ-FE•NA Series (OBH543)
MXZ-A·NA Series (OB444)
MXZ-B·NA Series (OB560)
NOTE:
RoHS compliant products have <G> mark on the spec name plate.
PARTS CATALOG (OBB542)
Models
MSZ-FE09NA
MSZ-FE12NA
No. OBH542
REVISED EDITION-B
MSZ-FE09NA -
8
MSZ-FE12NA -
8
Revision B:
• MSZ-FE09NA -
8
and MSZ-FE12NA -
8
have
been added.
Please void OBH542 REVISED EDITION-A.
MITSUBISHI
ELECTRIC
Changes
for
the
Better
D
CJ
CJ
D