blockFanOnOffWithDP
Controller for fan on/off and to provide prescribed dP
Information
This model outputs ON/OFF signal to control fan operation.
When the system is in mode like unoccupiedOff, safety, it outputs
false so that fan should be OFF and provide 0 pressure rise;
When the system is in mode like unoccupiedNightSetBack,occupied,unoccupiedWarmUp,
unoccupiedPreCool, it outputs true so that fan should be
ON and provide preRis pressure rise.
Parameters
| Type | Name | Default | Description |
|---|---|---|---|
| Modelica.Units.SI.PressureDifference | preRis | 850 | Prescribed pressure difference |
Connectors
| Type | Name | Default | Description |
|---|---|---|---|
| Modelica.Blocks.Interfaces.RealOutput | y | Supply fan requested pressure rise, or zero if fan should be off | |
| Buildings.Examples.VAVReheat.BaseClasses.Controls.ControlBus | controlBus |
Components
| Type | Name | Default | Description |
|---|---|---|---|
| Modelica.Blocks.Routing.Extractor | extractor | Extractor for control signal | |
| Modelica.Blocks.Sources.Constant | off | Off signal | |
| Modelica.Blocks.Sources.Constant | on | On signal |
Revisions
-
June 16, 2017, by Jianjun Hu:
First implementation.