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Honeywell long range detectors


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Hi All

 

I've come across an issue at a site where its been fine for over a year and now im getting spurious alarm signals between 12am and 3 am from various long rang detectors. It started with just one detector so it was changed but now its multiple including the changed one.

 

Its a large builders merchant with a large warehouse, there isn't any sign of animal life. The only thing is the warehouse is rather hot and I wondered whether the cooling of the building would effect these particular detectors. The thing is now isn't as hot as it was so i'm a little stumped.

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On 04/08/2018 at 19:08, scrimshanker said:

they are all mounted on the inside of the exterior metal cladding.

 

On 04/08/2018 at 17:35, The Arab said:

Are they mounted on a solid base or outer cladding ?

 

Likely the cladding is moving with heat expansion.

Microwave can only help minimise false alarms if device is fixed to a solid surface.

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