Samsung AC026NNNDKH - Outdoor Unit; Main Pba

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