Samsung AC026NNNDKH Service Manual page 85

 AC052MXADKH / AC060MXADKH / AC071MXADKH
11
10
15
13
16
21
No. Function
1 MAIN POWER (N)
2 4Way Valve
3 FAN MOTOR connection
4 Indoor communication connection
5 N/A
6 EEV control
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
Samsung Electronics
14
3 6
5
7 2
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 MAIN POWER (L)
20 EARTH
21 Download INV
1
20
12
19
9
8
18
17
4
5-5