Auto Zero - 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

Use the Auto Zero feature to calibrate the sensor which is used to measure air flow

The controller performs the Auto Zero feature by overdriving the damper and valve actuators closed for the Auto Zero Duration (in minutes). During this time the Auto Zero Status value is On. When the dampers are fully closed, new values are calculated and stored into the AI offset table in the controller’s nonvolatile memory for Delta P sensors.