Introduction | The Problems With Conventional Doors  

Tested and Approved Installation | Significant Advantages to Building Owners

 

Testing Difficulty/Improper Reset

Testing difficulties often stem from malfunctions with sash chains and fusible links. Additional malfunctions occur when spring tension is misapplied during installation or conventional resetting procedures.

The Solutions: Auto-Set® Fire Doors are always biased to the closed position. The spring tension is not adjusted and the door is automatically tested and reset. Sash chains are still possible problems with the Auto-Set® System if they are used. However, the Auto-Set® System allows you to connect multiple doors with fusible links without the need for sash chains. In addition, since the magnetic release is an integral part of the operator, the need to connect a remote magnetic release to the fire door with a sash chain is eliminated. Therefore during alarm activations, sash chains are never used.

 

Inadequate Maintenance

Often, as a result of improper maintenance, fusible links and gears malfunction due to rusting metal parts or paint build-up on gears and sash chains. Under no circumstances should fusible links be painted. Paint thermally insulates the lead in the fusible link and may prevent the link from functioning correctly.

The Auto-Set® Solution: The Auto-Set® System is a low maintenance product. The number of working parts has been radically reduced and incorporated into the Auto-Set® Operator. The mechanical parts which are prone to maintenance problems have been eliminated.

 

Damage

Damage to fire doors usually results from forklift impact or the improper stacking of heavy warehouse merchandise against the door.

THE AUTO-SET® SOLUTION: Fire doors should be designed to overlap the opening and should be designed in a manner which allows for easy testing and resetting to periodically check for damage, which may not be visible to the eye. The Auto-Set® System is designed for daily testing and resetting. A typical Auto-Set® door takes less than a minute to test and reset.