Programming hints
Whether you do not need one of the macro inputs, connect them to the value specified in the next table.
Inputs |
Default values unused inputs |
SupplyAirTemp |
|
RoomRetAirTemp |
|
RoomAirTempSp |
|
ContrPtAdj |
0 |
FilteredOATemp |
15 |
CO2_Sensor |
0 |
FanEnable |
1 |
EnRecSeqSwitch |
0 |
MinSAT_SpShift |
0 |
PlantMode |
4 |
HumidityMode |
0 |
Fan speed
Connect the "FanSpeedComand" output of the strategy to the "FanSpeed" input of the fans.
The fan speed can also be changed via
Sometimes, the air quality device is an active controller with its own proportional band and setpoint, providing an output signal from 0...1 Volt or 0...10 Volt between a certain span, e.g. between 800...1000 ppm. This signal has to be converted into a 0...100 % signal in order to connect it to the input CO2_Sensor. When the device measures an air quality, equal to the minimum value, input signal will be 0%. If air quality goes bad, up to the maximum value, the signal will raise up to 100%.
Important: To disable the internal CO2 the user can