Setting and using method
Installation manual
23
22
Dry contact for thermostat
ENGLISH
Setting and using method
Function table for the input signal (For AWHP Indoor unit)
Notes
Do not input the voltage signal in
"NON VOLT" setting mode otherwise
it will cause serious damage
Connect separate
External voltage of
DC 12 V, AC 24 V
Thermostat
LG does not
supply this section
(Field supply)
No power input
DC 12 V, AC 24 V
COMM
Themal
Operation
COMM
AUT
O
HEA
T
COOL
DHW
NIGHT
SILENT
EMERGENCY
MODE
DHW
NIGHT
SILENT
EMERGENCY
MODE
COMM
Themal
Operation
COMM
AUT
O
HEA
T
COOL
※
If
Operation
input was 0(Operation stop), Thermal input and CN_MODE input don't work.
※
If Thermal input was 0(Thermal Off), CN_MODE input doesn't work.
※
If both Operation input and DHW input were 0(Stop, Off), Night silent input and Emergency mode input
don't work.
CN_OPER
CN_MODE
Function
Operation
Thermal
AUTO
HEAT
COOL
1
1
0
0
0
NA
1
1
0
0
1
COOL
1
1
0
1
0
HEAT
1
1
0
1
1
NA
1
1
1
0
0
AUTO
1
1
1
0
1
NA
1
1
1
1
0
NA
1
1
1
1
1
NA
CN_WIND
Function
DHW
On
Off
NIGHT SILENT
On
Off
EMERGENCY MODE
On
Off
