Samsung AM160FNBDEH Installation Manual page 49

Connecting external contact
Connecting solar pump
Connect the signal wire for solar pump to number 13 and 14 of the terminal block located on the bottom side.
L
N
1 2 3
Solar pump
Solar pump
Power
Maximum allowable current of each terminal is below 10 mA.
Ports number 13 and 14 is for input port for detection and they do not supply power to a solar pump.
CAUTION
Specification table
Part
Terminal block (Input)
Connection type
48
4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20
Controller
Power
<DVM Hydro unit>
1 2 3 4 5
Controller
<DVM Hydro unit HT>
V2
V1
6 7 8 9 10
Specification
13, 14: No-voltage contact
Connect to solar pump controller (contact signal)