Re: Ion vs Photo smoke detectors

["jewellfish" <jewellfish@xxxxxxxxx>]

No, you're correct.

Photosmokes would probably be the correct choice for a detector in a
classroom setting.

Depending on the model of panel and smoke, you may be able to adjust
the sensitivity setting of the detectors.

regards
Allan Waghalter wrote:
> I looked at a Notifier system installed recently by a major local fire alarm
> company today and found that they have installed Ion detectors in all of the
> classrooms of a school.  I would have spec'd these as photo detectors.  We
> had our first cold night last night and they had 3 smoke detectors in
> various class rooms go into alarm when the heat came on and burned the dust
> off the heat exchangers.  We only use heat here about two or three months a
> year (Houston Texas) so dust accumulates in the heat exchangers.  Am I wrong
> on the choice of smoke detectors?