Primary States (Fan Relief Variable Capacity BSP Control) - Johnson Controls - Metasys - LIT-12011147 - Software Application - Controller Configuration Tool - 15.0

Controller Tool Help
Product
Controls > Control Tools > Controller Configuration Tool
Document type
User Guide
Document number
LIT-12011147
Version
15.0
Revision date
2022-11-18

  • Off: The fan is off when the module is in this mode of operation.

  • Max: The relief fan turns at its maximum speed. The Relief Fan Percent Cmd output is set to 100%.

  • Min: The analog fan output (Relief Fan Percent Cmd) is zero, and the fan control output (Relief Fan OnOff) is on when the module is in this mode of operation.

  • Hold: Hold the outputs at their current position.

  • BS-P Control: The relief fan controls the building static pressure when the module receives this command. The module operates in the BS-P Control mode if the building static pressure is reliable.

Table 1. Fan Relief Variable Capacity BSP Control Command Hierarchy

Mode

BSP Is Reliable

State

Off

*

Off

Off

*

Off

Min

*

Min

Max

*

Max

BS-P Control

TRUE

BS-P Control

FALSE

Off