This model validates the hydronics and built-in control logic of Buildings.Fluid.HeatPumps.ModularReversible.TableData2DLoadDepSHC.
The model represents a three-module system where the HW and CHW
isolation valves are modeled using an equivalent actuator. The
actuator model represents the parallel network of the modules'
condenser or evaporator barrels in series with the HW or CHW
isolation valves. It is parameterized with the flow characteristics
calculated by the heat pump model, and controlled by the output
variables provided by this model. The heat pump operating mode
switches between simultaneous heating and cooling, heating only,
and cooling only. The on/off command starts as true
and is switched to false at the end.
While the heat pump component is subjected to the design HW and CHW differential pressures and return temperatures, the supply temperature setpoints vary, creating a varying load. The validation then consists in verifying that the modules are effectively staged in various modes to adapt to the load. Additionally, it confirms that the isolation valve parameterization and controls result in HW and CHW flow rates that vary linearly with the number of enabled modules on each side.
| Name | Description |
|---|---|
|
|
HW or CHW medium |