Samsung AM160FNBDEH Installation Manual page 46

AC 230V or AC 24V thermostat
Connect the indoor thermostat to B19~B26 of the PBA terminal block.
Connect a thermostat to the designated terminal as stated in the rated table.
Only 1 type of thermostat can be connected. (B19~B22 or B23~B26)
Product will not operate when signal for cooling and heating mode is inputted at the same time.
L
N
Maximum allowable current of each terminal is below 10mA
CAUTION
Specification table
Part
Terminal block (AC 230V)
Terminal block (AC 24V)
Connection type
Input (B19~B22)
Input (B23~B26)
Condition for operation
AC 230 V Thermostat
When B20 or B24 is detected -> cooing mode
When B22 or B26 is detected -> heating mode
V2
V1
AC 24 V Thermostat
Specification
B19: Output power L (for cooling mode)
B20: Input power N (for cooling mode)
B21: Output power L (for heating mode)
B22: Input power N (for heating mode)
B23: Output power L (for cooling mode)
B24: Input power N (for cooling mode)
B25: Output power L (for heating mode)
B26: Input power N (for heating mode)
Connect to indoor power controller
AC 230 V (Maximum 10 mA)
AC 24 V (Maximum 10 mA)
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