Samsung AM160FNBDEH Installation Manual page 39

Connecting external contact
Refer to the below table for the terminal numbers that needs on the site for connecting external contact.
Terminal No. External contact
B1, B2 Operation check
B3, B4 Alarm
B5, B6 Water pump
B7, B8 Booster heater
B9~B11 3Way valve 1
B12~B14 3Way valve 2
B15~B17 2Way valve
B19, B20 AC230, Thermostat 1
B21, B22 AC230, Thermostat 2
B23, B24 AC24, Thermostat 1
B25, B26 AC24, Thermostat 2
Indoor temperature
1, 2 (1, 2)
sensor
Temperature sensor for
7, 8 (3, 4)
water tank
13, 14 (5, 6) Solar pump
16, 17 (7, 8) External control
19, 20 (9, 10) Smart grid
❋ ( ) : Hydro unit HT
38
Operation status / inspection checklist
Check on/off status for operation lamp of the control panel on
the site
Check on/off status for alert lamp of the panel on the site
Check the status of the pump operation signal and on/off status
of operation at the control panel on the site
Check the status of the heater operation signal output at the
control panel on the site
Check the status of signal output and on/off status of valve
operation (Direction switch of the indoor hot water tank)
Check the status of signal output and on/off status of valve
operation (interlocked with solar pump signal)
Check the status of signal output or operation status of the valve
Check the connection status of the thermostat and operation
status of the product (cooling)
Check the connection status of the thermostat and operation
status of the product (heating)
Check the connection status of the thermostat and operation
status of the product (cooling)
Check the connection status of the thermostat and operation
status of the product (heating)
Check the temperature display on the wired remote controller
after separately installing the indoor temperature sensor (Refer to
option setting of the wired remote controller)
Check the temperature display on the wired remote controller
after installing the 4~20mA temperature sensor
Check the solar pump contact signal input and status of the
operation
Check the contact signal input and status of the operation
Check the Smart Grid contact input and the signal
Remarks
Optional
Optional
Mandatory
Optional
Optional
Optional
Optional
Optional
Optional
Optional
Optional
Optional
Mandatory
(hot water supply
operation)
Optional
Optional
Optional