Re: Macurco CO detectors

[nick markowitz <nmarkowitz@xxxxxxxxx>]

On Jun 14, 9:36=A0pm, cha...@xxxxxxxxx wrote:
> Yes, I noticed the package labeling. =A0I called the tech support number
> tonight, but they were on central time and closed; hence my post here.
>
> On Mon, 14 Jun 2010 20:36:08 -0400, "ABLE1"
>
> <royboynos...@xxxxxxxxxxxxx> wrote:
>
> ><cha...@xxxxxxxxx> wrote in message
> >news:26dd16ds5c3rotbfr644d4k31igb7dl0tj@xxxxxxxxxx
> >> Local distributor says Macurco no longer manufacturing CM-15A. =A0New
> >> unit is CM-E1. =A0I breezed through the manual at the distributor's
> >> counter looking for a reference to the snap-in battery on the PC
> >> board, found nothing about why it was there, its life span, voltage,
> >> or part number. Counter person was no help.
>
> >> What purpose does the battery serve, despite a reference to connecting
> >> it to a UL listed alarm panel, which would already have a battery
> >> backup?
>
> >> Does the battery get charged from the alarm panel's12-VDC?
>
> >> The unit is to be ceiling mounted or wall mounted according to the
> >> fine-print instructions, hence high up on the wall.
>
> >> I've always wall-mounted the CM-15A about 5' 10" above the floor, the
> >> height at which many of our noses are busy taking in air.
>
> >> In one house I used the 5' 10" height in hallways and other locations
> >> where there was "awake" activity, near all sleeping areas, and at a
> >> lower level INSIDE all the bedrooms adjacent to the bed, wall mounted
> >> between the bed and the bedroom door, in effect bringing the unit
> >> closer to their noses. =A0Though Massachusetts Building Code does not
> >> require the detectors to be placed within the bedrooms, this
> >> particular customer wanted one in each of six bedrooms.
>
> >> My understanding of CO is that when produced, it is from a hot source,
> >> thereby rising upwards, but as it cools it begins to drop, and mix
> >> further with the ambient air, and then can flow anywhere within the
> >> house predicated on the normal air flow patterns of the house. It
> >> therefore seems reasonable that the best height to mount is at the
> >> height of the air that we are about to breathe.
>
> >> To exaggerate, it would seem that the best place to mount a CO
> >> detector is on my nose, or as close as possible!
>
> >Macurco now owned by 3M in case you were wondering.

I stopped using there products 5 years ago when every unit I put in
was dead with in 2-3 years.
and i started getting dead units out of the box.