Armstrong Garage Doors Inc. Greenback Tennessee

6467 US Hwy 411 S | Greenback, TN 37742
P: 865.856.8838 | F: 865.856.8837
email: info@armstronggaragedoors.net

Armstrong Garage Doors Home

Contact Armstrong Garage Doors, Inc.

FAQ's

LiftMaster® Fire Door Release Systems
SAFETY FEATURES
  Model A Model B Model B2 Model C Model C+ Model AFC
Two adjustable time delays * * * * * *
Test button * * * * * *
Downlimit detection   * * * * *
Form C dry contact relay output   * * * * *
Motor voltage sensing   * * * * *
72-hour internal battery backup (with charger)     * * * *
Two SPDT dry contact relay outputs     * * * *
Two smoke detector loops     * * * *
12 VDC alarm output     * * * *
On-board diagnostics     * * * *
Obstruction cycling       * * *
Emergency exit       * * *
Safety timer       * * *
Stop-on obstruction cycling         * *
Selectable DIP switches           *
Additional LED diagnostics           *
Simplified circuitry           *
2 and 4 wire smoke detector capability           *

 
INSTALLATION REQUIREMENTS
  Model A Model B Model B2 Model C Model C+ Model AFC
Non-Motorized Door * * *     *
Electro-Mechanical   * * * * *
Safety Edge System       * * *
Solid State Operator           *

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