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Special Controllers

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Special Controller +
  • Astro Switch
  • Fire Damper Controller
  • EDP

Astro Switch

Fire Damper Controller

EDP

Features

  • Works on Astronomical principles
  • Accepts longitude and latitude data to determine location of astro-switch on earth
  • PC connectivity through an adapter to program the data
  • Data retained in non-volatile memory
  • One time programming at the time of installation

Features

  • Monitors fire damper position
  • Monitors air temperature in ducts
  • Switches off AHU and closes fire damper in case of alarm from smoke detector/BMS
  • Connects to external fire alarm system
  • Continous monitoring of fire damper position

Features

  • Alarm-mute input
  • Manual reset to prevent automatic restart
  • Built-in time-delay to filter unwanted alarms
  • Accepts feed-back from flow-switch, NO contact, etc
  • Preventing dry-running of pumps