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NOTE: This is an unformatted excerpt from our online fire protection training library.

Remote Station and Protected Premises Fire Alarm Systems

There is a fine line between what is a "combination" system and something that is merely interfaced with a fire alarm system.  Any system in combination with the fire alarm system will typically have the ability to operate as a "stand-alone" system if disconnected from the fire alarm system.  For example, a carbon monoxide detection "system" will still operate and process and send signals if the fire alarm system was removed. 

This is often confused with an interfaced system.  Interfaces typically rely on the fire alarm system to operate, or have components that are fire alarm system components used to initiate the action of the interfaced system.  An example of this may be a computer room suppression system. The detectors in the room may well be the fire alarm system detectors, programmed to release the suppression system.  Without these detectors, the suppression system loses its automatic capability.

Further, don't confuse simple monitoring of a non-fire alarm system or component with combination systems.  For example, many facilities will use fire pumps to increase the water supply system pressure.  The fire pump system has its own controller, and it is not interfaced or combined with the fire alarm control unit.  The fire alarm system is only going to receive status signals from the controller, as a means for management to monitor the readiness of the pump assembly.  These inputs are simply initiating devices, and are part of the fire alarm system itself.
NOTE: This is an unformatted excerpt from our online fire protection training library.

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