GENTEX 8000 Series Photoelectric Type Open Area System Detectors Instruction manual

Gentex 8000 Series smoke detectors offer reliable early warning against fire. Using photoelectric light scatter technology, they detect smoke particles and trigger a pre-alarm, followed by a full alarm after confirmation. Models are available for 24VDC and 120VAC systems, with options for built-in piezo horn and thermal sensors. Installation is straightforward using a provided mounting bracket and wiring harness. Regular testing and maintenance are recommended for optimal performance.

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Gentex 8000 Series Smoke Detector Manual | Manualzz

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Key features

  • Photoelectric smoke detection
  • Pre-alarm and alarm modes
  • 24VDC & 120VAC models
  • Built-in piezo horn option
  • Thermal sensor option
  • Form A/Form C relay contacts

Frequently asked questions

It uses the photoelectric light scatter principle. An infrared LED pulses, and smoke particles scatter the light onto a photodiode sensor, triggering the alarm.

The 8000 Series includes models for 24VDC (8240/8243) and 120VAC (8100/8103) systems.

The 'H' option indicates an isolated 135°F thermal sensor, which is not wired into the detection circuit but for remote connection to an auxiliary annunciation circuit.

Rotate the test knob to TEST 1 (counterclockwise) to simulate smoke. The alarm should sound within 20 seconds. TEST 2 (clockwise) tests high sensitivity.

Regular cleaning is recommended to prevent nuisance alarms due to dust buildup. Use only Ivory dishwashing liquid and follow the provided instructions carefully.
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