INDOOR UNIT
SERVICE MANUAL
Models
MFZ-KJ09NA
-
U1
MFZ-KJ12NA
-
U1
MFZ-KJ15NA
-
U1
MFZ-KJ18NA
-
U1
NOTE:
• This service manual describes technical data of the indoor units.
• RoHS compliant products have <G> mark on the spec name plate.
For servicing of RoHS compliant products, refer to the RoHS Parts List.
No. OBH752
REVISED EDITION-A
PARTS CATALOG (OBB752)
Outdoor unit service manual
MUFZ-KJ•NAHZ Series (OBH753)
MXZ-C•NA, MXZ-C•NAHZ Series
(OBH702, OCH573)
CONTENTS
1. TECHNICAL CHANGES ··································· 3
2. PART NAMES AND FUNCTIONS ····················· 4
3. SPECIFICATION ················································ 5
4. OUTLINES AND DIMENSIONS ························ 7
5. WIRING DIAGRAM ············································ 8
6. REFRIGERANT SYSTEM DIAGRAM ··············· 9
7. SERVICE FUNCTIONS ··································· 10
8. MICROPROCESSOR CONTROL ··················· 12
9. TROUBLESHOOTING ····································· 21
10. DISASSEMBLY INSTRUCTIONS ···················· 36
Please void OBH752.
Revision A:
• 3. SPECIFICATION and 4. OUTLINES AND
DIMENSIONS have been modified.
INDOOR UNIT
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