Mitsubishi Electric MFZ-KJ15NA Service Manual

INDOOR UNIT
Models
MFZ-KJ25VE
-
E1
MFZ-KJ25VE
-
E2
,
ER2
MFZ-KJ25VE2
-
E1
,
ER1
MFZ-KJ35VE
-
E1
MFZ-KJ35VE
-
E2
,
ER2
MFZ-KJ35VE2
-
E1
,
ER1
MFZ-KJ50VE
-
E1
,
ER1
MFZ-KJ50VE2
-
E1
,
ER1
SERVICE MANUAL
PARTS CATALOG (OBB666)
CONTENTS
1. TECHNICAL CHANGES ···································3
2. PART NAMES AND FUNCTIONS ·····················4
3. SPECIFICATION ················································5
4. NOISE CRITERIA CURVES ······························6
5. OUTLINES AND DIMENSIONS ························7
6. WIRING DIAGRAM ············································8
7. REFRIGERANT SYSTEM DIAGRAM ···············9
8. SERVICE FUNCTIONS ···································10
9. MICROPROCESSOR CONTROL ···················12
10. TROUBLESHOOTING ·····································20
11. DISASSEMBLY INSTRUCTIONS ····················35
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. OBH666
REVISED EDITION-C
Outdoor unit service manual
MUFZ-KJ•VE Series (OBH667)
MUFZ-KJ•VEHZ Series (OBH668)
Please void OBH666 REVISED EDITION-B.
Revision C:
• MFZ-KJ25VE2-
E1
,
ER1
, MFZ-KJ35VE2-
E1
,
ER1
and MFZ-KJ50VE2-
E1
,
ER1
have been
added.

Mitsubishi Electric MFZ-KJ15NA Specifications

General

Energy Efficiency Ratio (EER)	3.5
Operating Temperature (Cooling)	18°C to 46°C
Operating Temperature (Heating)	-15°C to 24°C
Noise Level (Indoor)	19 dB
Noise Level (Outdoor)	49 dB(A)