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15
Aug

How to TEST a Duct Smoke Detector

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Duct smoke detectors can be tested in a few different ways, and installers need to make sure to use the correct one for their specific application.

Testing a Duct Smoke Detector has never been easier. APC’s Test Port makes it easy and fast, using aerosol gas you can test your installation in just a few seconds. Test & Reset switches and Remote test stations are other features that make the Installer life so much easier. But not all testing methods are created equal: Please make sure to read the tips below to learn what is the best testing method for your need.

 

1) SMOKE TEST

This is the recommended way to test your detector's functionality
Test a Detector w/Gas

Testing a Duct Smoke Detector with smoke is the best way to assure that smoke is entering the sensing chamber and being detected.

For this test you can use APC’s recommended TEST GAS: Test Equipment

  1. Spray smoke through the APC’s convenient red test port (SL-2000 and RT-3000 models) or directly into the detector head (SM-501 and HS-100 models).
  2. Spray a short burst. Detector should alarm in 10 seconds.
  3. Reset detector with TEST/RESET button; occasionally leftover smoke may need to be released removing the detector cover.

2) TEST/RESET BUTTON & REMOTE TEST STATION

This tests will show correct wiring to power, terminals and that relays work properly

Testing a Duct Smoke Detector with TEST/RESET button OR Remote Stations will allow you to verify that the Duct Smoke Detector goes into alarm and that the relays activate to shut down RTU, dampers, louvers etc.

  1. Press TEST/RESET button for approximately 5 seconds until LED turns RED
    OR
  2. Turn KEY/Press switch in one of our remote stations.

Consult APC’s Remote Station Guide to select the best solution for your application.

 

2) MAGNET TEST

This test shows that the smoke sensor, when triggered, activates the duct detector relays

Most traditional Duct Smoke Detectors provide or recommend testing using a magnet. While this test can be necessary /acceptable for specific applications, APC’s team of expert engineers recommend testing with aerosol gas to be certain that detectors will actually detect smoke.

For this test place a magnet at the top of the unit. This should trigger the Duct Smoke Detector alarm status in approximately 5 seconds.

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