Re: ballasts
- From: "James Sweet" <jamessweet@xxxxxxxxxxx>
- Date: Thu, 20 Sep 2007 04:49:55 GMT
The measurements on the orginal ballast are off. I may have a bad new
ballast
I am looking at the orginal ballast and another single lamp with RR BBuWG
On the later I measure HV when the lamp in inserted, but there is
no HV open, and the lamp is a perfectly working model. I'm not sure I
understand the no HV concept. Its not present on the orginal non
working model 2 lamp ballast.
I ordered another ballast, slightly different. The second ballast didn't
seem
to have enough oomph. I did read a open starting voltge almost 200 volts.
It just got loaded down with the tube even though its for a bigger tube ??
I had wonderd if a UV lamp has slightly different requirments, as I found
an old separate listing for Advance UV ballasts. Don't know.
Did you even read what I posted? There's a capacitor between the yellow
wires and either the red or blue wires to help ignite the first lamp in the
series chain, you'll measure a voltage between the other colors and the
yellows because of this, but it'll load down with a lamp connected. It
sounds to me like the ballast is behaving precisely as it should, you're
just not connecting it right. It's not designed to operate a single lamp, it
connects both lamps in series, if one is not there, the other will not
light.
.
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