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How do I properly test a Mircom I56-3311 Intelligent Photoelectric Smoke Sensor?

1Answers
Dias
12/17/2025, 01:41:46 PM

To ensure your Mircom I56-3311 Intelligent Photoelectric Smoke Sensor is functioning correctly, follow these testing procedures. Always consult the instruction manual for detailed instructions. Here are the primary methods:

  1. Functional Test Using a Test Magnet:

    • Use a compatible test magnet (Mircom P/N M02-04-01 or M02-09-00) to simulate smoke.
    • Apply the magnet to the designated test area on the sensor.
    • The control panel should trigger an alarm, indicating the sensor's functionality.
  2. Smoke Entry Test with Aerosol Generator:

    • Employ a GEMINI model 501 aerosol generator, setting it to represent 4%-5% obscuration.
    • Apply the aerosol using the bowl-shaped applicator until the panel alarms.
    • Alternatively, approved canned aerosol simulated smoke products can be used for this purpose.
  3. Direct Heat Method (for Specific Models):

    • For models MIX-2251TAP and MIX-2251TMAP, use a hair dryer (1000-1500 watts) to test the thermistors.
    • Direct heat toward the thermistors from a safe distance, avoiding any damage.
    • The detector will reset after sufficient cooling time.

Important Considerations:

Carefully adhere to the testing procedures to ensure the sensor responds as expected. If the sensor fails any of the tests, first clean it according to the manual's instructions and retest. If failure persists after cleaning, the sensor may require replacement. After completing the tests, restore the system to its normal operating state and notify the relevant authorities that the system is back online.

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