Outdoor Unit; Main Pba - Samsung AC026NNNDKH Service Manual

5-2 Outdoor Unit

5-2-1 MAIN PBA

AC026MXADKH / AC035MXADKH
■
21
14
15
17
No. Function
1 MAIN POWER (N)
2 4Way Valve
3 FAN MOTOR connection
4 Indoor communication connection
5 EEV-B
6 EEV-A
7 Out/Discharge/Cond./OLP temp. sensor
DRED PBA connection
8 ( DRED : Demand Response Enabling
Device)
Sub display PCB connection
9
(Key, 7-segment signal)
Sub display PCB connection
10
(Key, solution communication signal)
11 EEPROM connection
5-4
16
18
13 9
No. Function
Sub display PCB connection
12
(DC5V,12V,com1,com2)
13 SMPS PCB connection (DC15V)
14 Download Main
15 SMPS PCB connection (DC5V,12V)
16 Compressor connection (U,V,W)
17 Reactor
18 SMPS PCB connection (AC220V)
19 EARTH
20 MAIN POWER (L)
21 Download INV
8
10
7
11
6
12
5
4
3
2
20
1
19
Samsung Electronics