TM
INDOOR UNIT
SERVICE MANUAL
INDOOR UNIT
Models
MFZ-KA09NA
MFZ-KA12NA
MFZ-KA18NA
No. OBH568
REVISED EDITION-A
Please void OBH568.
Revision A:
• OUTLINES AND DIMENSIONS has
been corrected.
• Some descriptions have been modified.
MFZ-KA09NA
MFZ-KA12NA
MFZ-KA18NA
Outdoor unit service manual
MXZ-B
NA Series (OBH560)
CONTENTS
1. TECHNICAL CHANGES
·······································
2
2. PART NAMES AND FUNCTIONS ····················· 2
3. SPECIFICATION ················································4
4. OUTLINES AND DIMENSIONS ························ 5
5. WIRING DIAGRAM ············································ 6
6. REFRIGERANT SYSTEM DIAGRAM ··············· 7
7. SERVICE FUNCTIONS ·····································8
8. MICROPROCESSOR CONTROL ···················10
9. TROUBLESHOOTING ·····································16
10. DISASSEMBLY INSTRUCTIONS ···················· 30
PARTS CATALOG (OBB568)
NOTE:
RoHS compliant products have <G> mark on
the spec name plate.
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