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