CONTENTS
1. TECHNICAL CHANGES ··································· 2
2. PART NAMES AND FUNCTIONS ····················· 3
3. SPECIFICATION ················································ 5
4. NOISE CRITERIA CURVES ······························ 7
5. OUTLINES AND DIMENSIONS ························ 8
6. WIRING DIAGRAM ············································ 9
7. REFRIGERANT SYSTEM DIAGRAM ············· 10
8. PERFORMANCE CURVES ····························· 10
9. SERVICE FUNCTIONS ··································· 21
10. TROUBLESHOOTING ····································· 23
11. DISASSEMBLY INSTRUCTIONS ···················· 37
12. PARTS LIST ····················································· 41
13. RoHS PARTS LIST ·········································· 45
14. OPTIONAL PARTS ·········································· 49
MFZ-KA25VA -
E1
MFZ-KA50VA -
E1
MFZ-KA25VA -
E2
MFZ-KA50VA -
E2
MFZ-KA25VA -
E3
MFZ-KA50VA -
E3
MFZ-KA25VA -
E4
MFZ-KA50VA -
E4
MFZ-KA35VA -
E1
MFZ-KA35VA -
E2
MFZ-KA35VA -
E3
MFZ-KA35VA -
E4
SPLIT-TYPE AIR CONDITIONERS
MFZ-KA25VA
MFZ-KA35VA
MFZ-KA50VA
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.
SERVICE MANUAL
Models
No. OB409
REVISED EDITION-D
INDOOR UNIT
Revision D:
MFZ-KA25VA-
E4
, MFZ-KA35VA-
E4
and
MFZ-KA50VA-
E4
have been added.
Outdoor unit service manual
SUZ-KA•VA(H) Series (OC322)
MXZ-A•VA Series (OB377, OC316)
Please void OB409 REVISED EDITION-C.
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