blockWaterLevel
Sequences to control water level in cooling tower
Information
Block that outputs yMakUp to control the cooling tower make-up water
valve. It is implemented according to ASHRAE Guideline 36-2021,
section 5.20.13, tower make-up water.
Make-up water valve shall cycle based on tower water fill level sensor. The
valve shall open when the water level watLev falls below the minimum
fill level watLevMin recommended by the tower manufacturer. It
shall close when the water level goes above the maximum level watLevMax.
Parameters
| Type | Name | Default | Description |
|---|---|---|---|
| Real | watLevMin | Minimum cooling tower water level recommended by manufacturer | |
| Real | watLevMax | Maximum cooling tower water level recommended by manufacturer |
Connectors
| Type | Name | Default | Description |
|---|---|---|---|
| Buildings.Controls.OBC.CDL.Interfaces.RealInput | watLev | Measured water level | |
| Buildings.Controls.OBC.CDL.Interfaces.BooleanOutput | yMakUp | Makeup water valve On-Off status |
Revisions
-
March 07, 2018, by Jianjun Hu:
First implementation.