Primary States (Cascaded Discharge Air Setpoint Determination) - Johnson Controls - Metasys - LIT-12011147 - Software Application - Controller Configuration Tool - 13.1

Controller Tool Help

Brand
Johnson Controls
Metasys
Product name
Controller Configuration Tool
Document type
User Guide
Document number
LIT-12011147
Version
13.1
Revision date
2019-12-04
Language
English
  • Off: The Discharge Air Setpoint does not reset. It is held constant at Discharge Air Setpoint-Zone Satisfied.

  • Hold: Holds the outputs at their current value.

  • Htg DA-Tsp Reset: The Discharge Air Setpoint is reset between the min and max heating limits based on the control temperature and the Heating Setpoint.

  • Clg DA-Tsp Reset: The Discharge Air Setpoint is reset between the min and max cooling limits based on the control temperature and the Cooling Setpoint.

Table 1. Cascaded Discharge Air Setpoint Determination Command Hierarchy

Mode

PID Tuning Reset

State

Off

*

Off

Hold

Reset 1st PID

Heating DA-T Reset

Hold

Reset 2nd PID

Cooling DA-T Reset

Hold

*

Hold

Heating DA-T Reset

*

Heating DA-T Reset

Cooling DA-T Reset

*

Cooling DA-T Reset