Mitsubishi Electric OBH839 Service Manual

INDOOR UNIT
SERVICE MANUAL
Outdoor unit service manual
MUZ-AP∙VG Series (OBH839)
MXZ-D∙VA Series (OBH626)
MXZ-E∙VA Series (OBH723)
MXZ-F∙VF Series (OBH790)
PARTS CATALOG (OBB838)
MSZ-AP15VG
MSZ-AP20VG
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 ··········· 11
8. SERVICE FUNCTIONS ······························ 12
9. MICROPROCESSOR CONTROL ················ 14
10. TROUBLESHOOTING ·······························21
11. DISASSEMBLY INSTRUCTIONS ················· 35
No. OBH838
REVISED EDITION-C
OBH838 REVISED EDITION-B is void.
Revision C:
• MSZ-AP15/20VG -
E3
,
ET3
and
MSZ-AP15/20VGK -
E2
,
ET2
,
ER2
have
been added.
Models
MSZ-AP15VG
-
E1
,
ET1
,
ER1
,
E2
,
ET2
,
E3
,
ET3
MSZ-AP20VG
-
E1
,
ET1
,
ER1
,
E2
,
ET2
,
E3
,
ET3
MSZ-AP15VGK
-
E1
,
ET1
,
ER1
,
E2
,
ET2
,
ER2
MSZ-AP20VGK
-
E1
,
ET1
,
ER1
,
E2
,
ET2
,
ER2

Mitsubishi Electric OBH839 Specifications

General

Category	Air Conditioner
Cooling Capacity	2.5 kW
Heating Capacity	3.2 kW
Power Supply	220-240 V, 50 Hz
Refrigerant	R32