Installation manual 1312 Dry contact for thermostat
ENGLISH
Setting and using method
Setting of ‘OPER_SW’
n Using ‘OPER_SW’ , select the Option of control Function as
described below
Notes
• Information of ‘OPER_SW’ is sensed only initial step by Dry contact module therefore , once the
configuration changed , Reset of Dry contact module is required.
• After power input or unit’s reset , wait 25~30 seconds(Display LED 10 times blinking) for unit
stabilization then Dry contact module will operate normally.
OPER_SW
1) Enable CN_WIND signal – Amount of wind flow (Low, Middle, High) signal enable
2) Enable Thermo ON/OFF input signal
- Desired Temperature 18 ℃ in cooling mode
- Desired Temperature 30 ℃ in heating mode
- No function in FAN mode
3) Enable CN_MODE signal – Operation mode (Cool, Heat, Fan) signal enable
4) Enable Thermostat priority control mode – Indoor’s remote-controller signal will be disregarded
No.
WIND Signal
en/disable
Thermal
en/disable
Oper Mode
en/disable
Dry Contact Control
Priority
0 Disable Disable Disable Disable
1 Disable Disable Disable Enable
4)
2 Disable Disable Enable
3)
Disable
3 Disable Disable Enable Enable
4 Disable Enable
2)
Disable Disable
5 Disable Enable Disable Enable
6 Disable Enable Enable Disable
7 Disable Enable Enable Enable
8 Enable
1)
Disable Disable Disable
9 Enable Disable Disable Enable
A Enable Disable Enable Disable
B Enable Disable Enable Enable
C Enable Enable Disable Disable
D Enable Enable Disable Enable
E Enable Enable Enable Disable
F Enable Enable Enable Enable
<OPER_SW Function>
Setting and using method
Setting of Contact Signal Input
n For input contact closure only(No power input)
n For input contact voltage : DC 12 V, AC 24 V
COMM
Themal
Operation
COMM
FAN
HEAT
COOL
LOW
MIDDLE
HIGH
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)
Thermostat
LG does not
supply this section
(Field supply)
COMM
Themal
Operation
COMM
FAN
HEAT
COOL
LOW
MIDDLE
HIGH
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