.Buildings.Controls.OBC.ASHRAE.G36.ZoneGroups.ZoneGroupSystem

Information

This sequence specifies the operation mode of a AHU system, which may serve multiple zone group. It is implemented according to Section 5.15.1 of ASHRAE Guideline G36, May 2020.

When zone group served by an air-handling system are in different modes, the following hierarchy applies (highest one sets AHU mode):

1. Occupied mode
2. Cooldown mode
3. Setup mode
4. Warm-up mode
5. Setback mode
6. Freeze protection setback mode
7. Unoccupied mode

See the operation mode enumeration in Buildings.Controls.OBC.ASHRAE.G36.Types.OperationModes for the detailed description.

Revisions

• August 22, 2022, by Jianjun Hu:
  First implementation.