Mitsubishi Electric MSZ-BT20VG-E1 User manual

INDOOR UNIT
Outdoor unit service manual
MUZ-BT∙VG Series (OBH850)
MXZ-F∙VF Series (OBH890)
PARTS CATALOG (OBB849)
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 ··········· 12
8. SERVICE FUNCTIONS······························ 13
9. MICROPROCESSOR CONTROL················· 16
10. TROUBLESHOOTING ······························· 20
11. DISASSEMBLY INSTRUCTIONS ················· 34
SERVICE MANUAL
MSZ-BT25VG/VGK
Models
MSZ-BT20VG -E1 , ER1 , ET1 , E2 , ER2 , ET2 MSZ-BT20VGK -E1 , ET1 , E2 , ET2 , ER1
MSZ-BT25VG -E1 , ER1 , ET1 , E2 , ER2 , ET2 MSZ-BT25VGK -E1 , ET1 , E2 , ET2 , ER1
MSZ-BT35VG -E1 , ER1 , ET1 , E2 , ER2 , ET2 MSZ-BT35VGK -E1 , ET1 , E2 , ET2 , ER1
MSZ-BT50VG -E1 , ER1 , ET1 , E2 , ER2 , ET2 MSZ-BT50VGK -E1 , ET1 , E2 , ET2 , ER1
OBH849 REVISED EDITION-D is void.
Revision E:
• MSZ-BT20/25/35/50VGK - ER1 have been
added.
No. OBH849
REVISED EDITION-E