Setting Of Contact Signal Input; Setting Of 'Oper_Sw - LG Dry Contact Installation Manual

Setting and using method

Setting of Contact Signal Input

n For input contact closure only(No power input)
Notes
Do not input the voltage signal in
"NON VOLT" setting mode otherwise
it will cause serious damage
n For input contact voltage : DC 12 V, AC 24 V
Connect separate
External voltage of
DC 12 V, AC 24 V
12 Dry contact for thermostat

Setting of 'OPER_SW'

n Using 'OPER_SW' , select the Option of control Function as
described below
Thermostat
LG does not
supply this section
(Field supply)
<OPER_SW Function>
No.
0
1
2
3
4
5
6
7
8
9
A
B
Thermostat
C
LG does not
D
supply this section
E
(Field supply)
F
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
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.
WIND Signal Thermal Oper Mode
en/disable en/disable
Disable Disable
Disable Disable
Disable Disable
Disable Disable
Disable Enable 2)
Disable Enable
Disable Enable
Disable Enable
Enable 1) Disable
Enable Disable
Enable Disable
Enable Disable
Enable Enable
Enable Enable
Enable Enable
Enable Enable
Setting and using method
OPER_SW
Dry Contact Control
en/disable Priority
Disable Disable
Disable Enable 4)
Enable 3) Disable
Enable Enable
Disable Disable
Disable Enable
Enable Disable
Enable Enable
Disable Disable
Disable Enable
Enable Disable
Enable Enable
Disable Disable
Disable Enable
Enable Disable
Enable Enable
Installation manual 13