Mitsubishi Electric MUZ-HJ VA Series Service Manual

CONTENTS
1. TECHNICAL CHANGES ······························3
2. PART NAMES AND FUNCTIONS ··················4
3. SPECIFICATION ········································5
4. NOISE CRITERIA CURVES ··························7
5. OUTLINES AND DIMENSIONS ·····················9
6. WIRING DIAGRAM ··································· 10
7. REFRIGERANT SYSTEM DIAGRAM ··········· 12
8. SERVICE FUNCTIONS ······························ 14
9. MICROPROCESSOR CONTROL ················ 16
10. TROUBLESHOOTING ······························· 20
11. DISASSEMBLY INSTRUCTIONS ················· 34
MSZ-HJ25VA
-
E1
,
E2
,
ER1
,
ER2
MSZ-HJ35VA
-
E1
,
E2
,
ER1
,
ER2
MSZ-HJ50VA
-
E1
,
E2
,
ER1
,
ER2
MSZ-HJ60VA
-
E1
,
E2
,
ER1
MSZ-HJ71VA
-
E1
,
E2
,
ER1
Outdoor unit service manual
MUZ-HJ·VA Series (OBH648)
MXZ-HJ•VA Series (OBH709)
SERVICE MANUAL
No. OBH647
REVISED EDITION-D
PARTS CATALOG (OBB647)
NOTE:
RoHS compliant products have <G> mark on the spec name plate.
Models
Revision D:
• MSZ-HJ25/35/50/60/71VA-
E2
and MSZ-
HJ25/35/50VA-
ER2
have been added.
Please void OBH647 REVISED EDITION-C.
MSZ-HJ25VA
MSZ-HJ35VA
MSZ-HJ50VA
INDOOR UNIT

Mitsubishi Electric MUZ-HJ VA Series Specifications

General

Series	MUZ-HJ VA Series
Type	Air Conditioner
Cooling Capacity	Varies by model
Heating Capacity	Varies by model (e.g., MUZ-HJ25VA: 3.2 kW)
Energy Efficiency Ratio (EER)	Varies by model
Seasonal Energy Efficiency Ratio (SEER)	Varies by model
Coefficient of Performance (COP)	Varies by model
Indoor Unit Noise Level	Varies by model
Outdoor Unit Noise Level	Varies by model
Indoor Unit Dimensions (HxWxD)	Varies by model
Outdoor Unit Dimensions (HxWxD)	Varies by model
Indoor Unit Weight	Varies by model
Outdoor Unit Weight	Varies by model
Air Flow (Indoor Unit)	Varies by model
Operating Temperature (Cooling)	Varies by model
Operating Temperature (Heating)	-15°C to 24°C
Power Supply	220-240 V, 50 Hz