Primary States (Zone Damper) - Johnson Controls - Metasys - LIT-12011147 - Software Application - Controller Configuration Tool - 16.0

Controller Tool Help
Product name
Controller Configuration Tool
Document type
User Guide
Document number
LIT-12011147
Version
16.0
Revision date
2023-10-02

  • Close (Heating): Damper Percent Cmd is set to 0% (maximum heating).

  • Open (Cooling): Damper Percent Cmd is set to 100% (maximum heating).

  • Hold Damper: Damper Percent Cmd is held at its last value.

  • Control: Damper Percent Cmd is modulated based on the PID output to control the Process Variable to the Effective Setpoint.

Table 1. Zone Damper Command Hierarchy

Mode

ZN-T Reliable

Shutdown Option

Unreliable Option

PID Tuning Reset

State

Shutdown

*

Open (Cooling)

*

*

Open (Cooling)

*

Close (Heating)

*

  

Close (Heating)

*

Hold Damper

*

  

Hold Damper

Hold

*

*

*

Reset 1st PID

Control

Hold

TRUE

*

*

*

Hold Damper

Not (Shutdown)

TRUE

*

*

  

Control

FALSE

Open (Cooling)

  

Open (Cooling)

 

Close (Heating)

  

Close (Heating)

 

Hold Damper

  

Hold Damper