Attributes (Unoccupied Sequencing [AHU] v100) - 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 Unoccupied Sequencing (AHU) v100 modules:

Table 1. Unoccupied Sequencing (AHU) v100 Attributes

Name

Type 1

Description

Default Value

Application Mode

 

Indicates the current Application Mode.

Auto

Set Name: AHU Effective

App Mode

Cascaded Zone Control

 

Indicates whether the module is used to control a single zone using cascaded DA-T reset based on zone or return air is considered zone control. For AHU applications with constant discharge temperature control (or reset by OA-T), this value should be false.

True

UNOCC-DIFF (Differential)

 

Amount Zone Temperature must exceed Unoccupied Setpoint to stop unoccupied control.

2 °F

Occupancy

 

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

Occupied

Set Name: Occ Effective

Off During Unoccupied

 

Selects the unoccupancy scheme.

False

State

V

Indicates the current state of the hybrid activity.

Set Name: COM Unocc

Status State

Unocc Cooling Setpoint

 

Indicates the desired unoccupied cooling temperature setpoint.

28 °C, 82 °F

Unocc Heating Setpoint

 

Indicates the desired unoccupied heating temperature setpoint.

16 °C, 61 °F

UNOCC-SATTIME (Satisfied Timer Duration)

 

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

30 Seconds

UNOCC-STATE (Unocc Status)

G, V

Indicates the current Unoccupied Status.

Set Name: Unocc Status

WarmupCooldown

 

Indicates the current OST status.

Normal

Set Name: OST Warmup

Cooldown

Zone Temperature

 

Indicates the current Zone Temperature.

22 °C, 72 °F

1 C - Configuration Mode Only, G - Default Element (Generated State, if applicable), SC - Simulation and Commissioning Modes Only, V - Calculated Value (Outputs)