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Posted by y_p_w on March 5, 2007, 1:20 pm
> >The closest outlet is on the garage ceiling,
> >and I'm not looking forward to rigging wire all the way across the
> >ceiling. I think I could plug in the transformer on the ceiling, but
> >the weight seems a bit much, and I don't want it dropping on a car.
>
> Put some sort of strap around it, or make a short extension cord so
> that the transformer can rest on the opener, and only a plug and some
> wire will be stuck in the outlet.
I thought of that already. I was thinking of maybe wrapping a light
duty extension cord around the door opener mount, and attaching the
transformer to the top with mounting putty or adhesive backed foam.
The instructions don't recommend placing the receiver on the opener,
but I never had a problem with the Chamberlain receiver falling off.
Securing it with adhesives should help.
> >The opener says 27V on the side although I'm not sure if it's AC or DC.
>
> I hate when they do that. And various companies do it a lot. If it
> were DC, it should say which contact is negative, so that means it
> wants AC.... but again, sometimes they don't do even indicate
> polarity. I guess they are trying to teach people they have to use
> the transformer made by the company, but of course sometimes that is
> lost.
>
> Have you checked with Genie? But since their kit puts out AC, it
> seems likely that the opener also wanted AC.
I guess they included the transformer because not all openers have a
suitable supply built in. I'll find out when I get there. The
instructions actually have one of the AC transformer terminals wired
to what looks to be ground. The same receiver terminal is wired to
the switch connection and the transformer.
I've already played around with it at home and got the remotes to
work. I didn't have it hooked up to an opener, but I heard a
noticeable clicking of the relay. I also played around with all
various settings, including clearing the receiver of all transmitter
programming (should be useful for the next tenant). I got a three
button keychain remote that operates up to three different openers.
It seems that if I reprogram another button for the same opener, other
buttons previously programmed to a receiver cease to work on that
receiver.
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