Attributes (Unoccupied Sequencing [AHU Mixed Air ZN-T]) - Johnson Controls - Metasys - LIT-12011147 - Software Application - Controller Configuration Tool - 16.0

Controller Tool Help

Brand
Johnson Controls
Metasys
Product name
Controller Configuration Tool
Document type
User Guide
Document number
LIT-12011147
Version
16.0
Revision date
2023-10-02
Language
English

The following table describes the attributes used by the Zone Unoccupied Sequencing modules.

Table 1. Unoccupied Sequencing (AHU Mixed Air ZN-T) Attributes

Name

Description

Default Value

Cooling Setpoint

Contains the desired unoccupied cooling temperature setpoint.

28 °C, 82 °F

Damper Control Status

Indicates to this module that it can affect the damper output.

Overridden

Set Name: Control Status

Detailed State

Contains the detailed unocc state giving devices requested.

Set Name: AHU Zone Unocc Detailed

Fan Ready

Indicates when the Start Stop sequencer has finished its delay for the fans to start. This wait time allows time for the fans to start and the temperatures to stabilize before starting control.

False

Free Cooling Available

Indicates when the economizer is available.

False

Heating Setpoint

Contains the desired unoccupied heating temperature setpoint.

16 °C, 61 °F

Occupancy

Contains the current Occupancy mode as determined by the Occupancy Mode Determination.

Occupied

Set Name: Occ Effective

Off During Unoccupied

Selects the unoccupied scheme. True provides Off during Unoccupied and only enters unocc htg/clg states when WarmupCooldown is Warmup or Cooldown.

False

Preheat Control Status

Indicates to this module that it can affect the preheat output.

Overridden

Set Name: Control Status

State

Contains the current state of the hybrid activity.

Set Name: Unoccupied Status States

UNOCC-SATTIME (Satisfied Timer Duration)

Contains the time that the Zone Temperature must be within the limits before switching to Satisfied.

30 Seconds

UNOCC-STATE (Unocc Status)

Current unoccupied status.

Set Name: AHU Zone Unocc Status

See Primary States (Unoccupied Sequencing [AHU Mixed Air ZN-T]).

WarmupCooldown

Current WarmupCooldown State.

Normal

Set Name: OST Warmup Cooldown

Zone Temperature

Current Zone Temperature.

22 °C, 72 °F