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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.
o 0-10V Demand control
0-10V Demand control
- Demand control is use to reduce the current usage of heat pump unit by third party device.
Control start condition:
o Select “YES” at Demand control at installer menu.
o 0-10V input for this electrical current control is detected.
Control content:
o If start condition is fulfilled, indoor will receive the voltage signal from optional PCB. Indoor will send the rate
value to outdoor unit.
o Outdoor will change the current limit according to the percentage receive from indoor unit.
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