D285 Series Photoelectric Smoke Detector Heads

Technical Service Note (Process Problem) [pdf]

Technical Service Note (Two-Wire Compatibility) [pdf]

Installation Guide [pdf]

Data Sheet [pdf]

Commercial Type No: D285TH

Photoelectric smoke detector head with heat sensor; requires base.

Commercial Type No: D285

Photoelectric smoke detector head; requires base.

The D285 and D285TH detector heads detect the large smoke particles which typically result from wood, paper, and fabric combustion. The D285TH smoke detector also has a +135

Chamber Check rapid-flash LED sends contaminated chamber reports

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Chamber Check rapid-flash LED sends contaminated chamber reports

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