16
SETTING AND USING METHOD
ENGLISH
Demand control
Using Demand control function with 3-Non Voltage contact.
With this function comp capacity of outdoor
unit can be controlled.
Ex) Demand control by 3-contact signal
Input_LNO
Input_3
Input_2
Input_1
Reserved
Reserved
SW_
STEP
Input_1Input_2Input_3
Comp ca-
pacity
Of outdoor
unit(%)
Type
of
input
0
0
0
0
No control
Con-
tact
signal
1
0
0
70
0
1
0
40
0
0
1
Comp off
CAUTION
• This input can accept only non voltage contact.
Do not input external power source. Otherwise it will cause a serious damage.
• If the contact point is attached, capacity control is applied preferentially by TMS system.
• If the NLO contact point is attached, System is operated preferentially than outdoor unit
setting.
!
Using Demand control function with 0~10V DC voltage signal
With this function comp capacity of outdoor
unit can be controlled by BMS.
Ex) Demand control by Analog input signal
Refer to Detail of the control step for ana-
log input signal.
DC 0~10V
input
Direct Digital
Controller
GND
CAUTION
• This function is very sensitive to voltage level.
So when using analog input, make a signal cable as short as possible.
• Do not change a command too quickly.
Keep the command 30 seconds at least, otherwise it will cause a damage to outdoor unit.
!
LG does not sup-
ply this section
(Field supply)
LG does not sup-
ply this section
(Field supply)
Using
