12.27 Demand Control (Optional PCB)
Remote control setting:
When Optional PCB connection select 'YES", Demand Control function can select "YES" or "NO".
-
Purpose:
After the demand control select YES, below control will activated.
-
0-10V Demand control
o
0-10V Demand control
Demand control is use to reduce the current usage of heat pump unit by third party device.
-
Control start condition:
Select "YES" at Demand control at installer menu.
o
0-10V input for this electrical current control is detected.
o
Control content:
If start condition is fulfilled, indoor will receive the voltage signal from optional PCB. Indoor will send the rate
o
value to outdoor unit.
Outdoor will change the current limit according to the percentage receive from indoor unit.
o
141