Description
The SL-2000 Series smoke detector is fitted with a mounting base that will accept an ionization smoke detector head model 55000-225APO or photoelectric smoke detector head model 55000-328APO. The duct unit supports two sets of form “C” alarm contacts, one form “A” alarm contact and one form “C” trouble contact. The trouble contact supervises the presence of the input power, removal of the detector cover and the removal of the smoke detector head.
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