The Fire Denyer®

What is The Fire Denyer®?

The Fire Denyer® is designated a ‘Hazard Activated Power Isolator’ (HAPI). Hard wired smoke detectors are connected to The Fire Denyer® Controller. When a smoke detector signals the Controller that smoke is detected, the Controller:

  • signals all the smoke detectors to sound their alarms
  • signals the contactor to switch off power to the designated circuits – primarily the cooking or stove circuit, but including all ‘at risk’ circuits.

Any individual circuits in the premises can be protected by The Fire Denyer®. Discuss your requirements with your installer. Changes can easily be made at any time; even after installation.

For installations that require a gas appliance to be shut off, it will be necessary to have a suitable valve installed by a registered gas fitter, and have that connected to an electrical circuit that is protected by The Fire Denyer®.

Standard Fit Components

  • The Fire Denyer® Controller – the heart of the system, controlling the system’s operation and providing Hush, Reset and Test functions. A backup battery maintains system operation for at least 72 hours in the event of a power failure.
  • Smoke Detectors – photo-electric hard wired, 12v DC, each with a built-in sounder. These are standard fit and recommended. See Installation page for approval of other smoke detectors.
  • Contactor – fitted to the house switchboard; a switch cutting power to selected circuits.

Optional Components

Additional components are available for special purpose installations.

  • Heat Detectors – can be fitted if required.
  • Flashing Alerters – usually fitted to homes where one or more of the occupants is hard of hearing. Red lights flash in addition to the smoke detector alarms sounding when a smoke alarm is activated. Blue or green lights flash when the Door ‘Bell’ is pressed.
  • Waking Vibrator – again, usually fitted to homes where one or more of the occupants is hard of hearing. A vibrating device designed to be placed under the pillow, mattress or couch of the hard of hearing person. The Waking Vibrator activates at the same time as the smoke detector sounders and the Flashing Alerters. The Waking Vibrator has two patterns of vibration; one when activated by smoke detectors, the other when activated by the door ‘bell’.
  • Door ‘Bell’ – designed for the hard of hearing, the door ‘bell’ sets the Flashing Alerters in operation with blue or green flashing lights. The door ‘bell’ also activates the Waking Vibrator. Note that there is no sound when the door ‘bell’ is pressed. A sounder can be fitted if required.
  • Call Point Switch – the system can be connected to an external call point. For example, if the common area fire alarm of your apartment complex is activated, your Fire Denyer® Controller, if connected, will activate your full system.
  • Security Interface Module – provides interfacing of The Fire Denyer® to any security alarm system.
  • Alarm Relay – provides external alarm (for example a siren), signaling to people outside that The Fire Denyer® has been activated. This can be used as a ‘panic button’ by pressing Test. In addition, the alarm relay can be connected to additional internal sounders.

What Happens?

When any one of the smoke detectors detects smoke from any source, all smoke alarms activate and the power is cut to the protected circuits. Flashing Alerters, if fitted, activate as does the Waking Vibrator. Power remains cut to the protected circuits until the system is re-set.

How it Works

How the Fire Denyer works.

False Alarm?

If the system has activated due to detecting smoke from burning toast for example, the Hush button silences the smoke detectors (and turns off the Flashing Alerters and Waking Vibrator if fitted). Power to protected circuits remains off until the Reset button is pressed.

Clear smoke from the area by opening windows or doors. If smoke is still present, the system will reactivate after a short time and will have to be hushed and reset again.

Controls
There are three simple control buttons on The Fire Denyer® Controller:

  • ‘Hush’. This silences the alarms and turns off the Flashing Alerters and Waking Vibrator.
  • ‘Reset’. This button resets the system, restoring power to protected circuits.
  • ‘Test’. This button allows the owner to check that the system is connected and operating correctly. It cuts power to the protected circuits, sounds alarms (and activates Flashing Alerters and Waking Vibrators if fitted). To restore power to the circuits, press the Reset button.

BENEFITS OF THE FIRE DENYER® SYSTEM

  • Proven to Stop Fires Starting

About 40% of household fires start from unattended cooking, for example, a pot of oil on the stove overheats, smokes and then ignites. When the source of heat is cut as soon as smoke is detected, a devastating fire can be prevented. The Fire Denyer® cuts off the source of heat within seconds. Tests show the time between smoke and ignition is about seven minutes.

The Fire Denyer® System has the following additional benefits:

  • Reliable
  • Best full household smoke detector alarm warning system
  • All smoke detectors are interconnected and sound simultaneously
  • Cost effective
  • No batteries to replace
  • One central controller
  • Simple to operate
  • Always ‘on’ – no need to remember to set when leaving the house
  • Easy and simple to test
  • Can be interfaced with security alarm and other fire alarm systems
  • Adaptable for special needs
  • Saves your life
  • Saves your family
  • Saves your home

In a Nutshell
The Fire Denyer® stops 40% of fires starting and gives you the best
possible warning of the other 60%

Sprinkler Systems

The Fire Denyer® System in conjunction with a sprinkler system gives the most complete protection available. The Fire Denyer® System is a highly effective first step which will prevent a significant number of sprinkler activations. A sprinkler system may assist on the rare occasions where the smoke alarm does not give enough time to deal with the source of the smoke before fire ignites.