modelGuideline36
Variable air volume flow system with single themal zone and ASHRAE Guideline 36 sequence control
Extends from Modelica.Icons.Example, Buildings.Air.Systems.SingleZone.VAV.Examples.BaseClasses.PartialOpenLoop.
Information
Implementation of Buildings.Air.Systems.SingleZone.VAV.Examples.BaseClasses.PartialOpenLoop with ASHRAE Guideline 36 control sequence.
Parameters
| Type | Name | Default | Description |
|---|---|---|---|
| Modelica.Units.SI.Temperature | TSupChi_nominal | 279.15 | Design value for chiller leaving water temperature |
Components
| Type | Name | Default | Description |
|---|---|---|---|
| Buildings.Controls.OBC.ASHRAE.G36.AHUs.SingleZone.VAV.Controller | con | VAV controller | |
| Buildings.Controls.OBC.CDL.Reals.Hysteresis | hysChiPla | Hysteresis with delay to switch on cooling | |
| Modelica.Blocks.Math.Feedback | errTRooCoo | Control error on room temperature for cooling | |
| Buildings.Controls.SetPoints.OccupancySchedule | occSch | Occupancy schedule | |
| Modelica.Blocks.Sources.BooleanConstant | uWin | Window opening signal | |
| Buildings.Controls.OBC.CDL.Integers.Sources.Constant | demLim | Cooling and heating demand imit level | |
| Buildings.Controls.OBC.CDL.Reals.Sources.Constant | cooWarTim | Cooldown and warm-up time | |
| Buildings.Controls.OBC.CDL.Reals.Sources.Constant | TOccHeaSet | Occupied heating setpoint | |
| Buildings.Controls.OBC.CDL.Reals.Sources.Constant | TOccCooSet | Occupied cooling setpoint | |
| Buildings.Controls.OBC.CDL.Reals.Sources.Constant | TUnoHeaSet | Unoccupied heating setpoint | |
| Buildings.Controls.OBC.CDL.Reals.Sources.Constant | TUnoCooSet | Unoccupied cooling setpoint | |
| Modelica.Blocks.Sources.BooleanConstant | freRes | Freeze protection reset |
Revisions
-
June 24, 2022, by Jianjun Hu:
Replaced the AHU controller with the one based official release version. -
July 27, 2020, by Kun Zhang:
Changed parameters of PID and design outdoor airflow and damper parameters.
This is for issue 1608. -
June 30, 2020, by Jianjun Hu:
Updated AHU controller which applies the sequence of specifying operating mode according to G36 official release.
This is for # 1893. -
June 22, 2020, by Michael Wetter:
Removed non-used occupant density. -
July 29, 2019, by David Blum:
First implementation.