LG PVDSMN000 Installation & Owner's Manual page 16

SETTING AND USING METHOD
16
Using
Demand control
Using Demand control function with 3-Non Voltage contact.
! 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
DC 0~10V
input
GND
Direct Digital
Controller
! 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.
Input_LNO Input_3
Input_2 Input_1
Reserved Reserved
LG does not sup-
ply this section
(Field supply)
LG does not sup-
ply this section
(Field supply)
With this function comp capacity of outdoor
unit can be controlled.
Ex) Demand control by 3-contact signal
SW_
Input_1Input_2Input_3
STEP
0 0
1 0
0
0 1
0 0
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.
Comp ca-
Type
pacity
of
Of outdoor
input
unit(%)
0 No control
Con-
0 70
tact
0 40
signal
1 Comp off