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The FDX-008WKI is a Fan Damper Control Module with Key Switch Input designed for compatible Mircom FleX-Net™ fire alarm control and annunciation systems. It provides a dedicated interface for operating and monitoring fan and damper functions associated with building fire safety systems.

The module features 7 three-position switches, allowing operators to select the required operating mode for configured fan or damper functions. Each switch is supported by 4 status LEDs, providing visual feedback for the associated equipment and helping operators identify operating conditions.

The FDX-008WKI also includes a key switch input for supported control configurations. It connects to the main fire alarm control panel or to the RAX-LCD Remote Annunciator when installed remotely.

For equipment control, the module uses the MIX-M500CH intelligent control relay module to operate fans or dampers. Two MIX-M501A monitor modules are used to provide the required status monitoring. These control and monitor modules should be ordered separately.

Switch Configuration:

  • 7 three-position switches

  • 4 status LEDs per switch

  • Integrated key switch input

Compatible Control and Monitoring Modules:

  • MIX-M500CH — fan or damper control

  • 2 × MIX-M501A — equipment status monitoring

Connection Options:

  • Main fire alarm control panel

  • RAX-LCD when mounted remotely

Mounting Options:

  • With the Main Control Unit

  • In BB-1000 Series enclosures with a Remote Shared Display

  • In BB-5000 Series enclosures with a Remote Shared Display

The FDX-008WKI is suitable for fire alarm installations requiring centralized fan and damper operation, equipment status indication, and key-switch functionality within a compatible Mircom system.

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