LG Multi F A2UW14GFA0 Engineering Product Data Book page 294

4. BD Unit (Distributor Box)
4.4 Wiring Diagrams
Models : PMBD3620, PMBD3630, PMBD3640
CN_EEV_A
TROUBLE DIAGNOSIS
Notes;
1. 'PMBD3620' unit : "A, B" parts available.
2. 'PMBD3630' unit : "A, B, C" parts available.
3. 'PMBD3640' unit : "A, B, C, D" parts available.
4 _ Heat pump
50Hz/R410A
CN_JIG3 CN_JIG2
LED1
CN_JIG1
CN_EEV_B CN_EEV_C CN_EEV_D
EEV EEV EEV EEV
A B C D
LED
NORMAL
ABNORMALITY -->CHECK BRANCH DISTRIBUTOR UNIT
ABNORMALITY -->CHECK INDOOR OR OUTDOOR UNIT
LED2 LED3 LED4
PCB PARTS LAYOUT
FUSE_2 FUSE_3 FUSE_4 FUSE_5
CN_ROOM_A CN_ROOM_B CN_ROOM_C CN_ROOM_D
S N L S N L S N L S N
A B C
TO INDOOR UNIT
DIAGNOSIS
CHECK CONNECTING CABLE
FUSE_1
CN_PWR
L S N L
D
OUTDOOR
FROM OUTDOOR
UNIT
3854A22003A