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Posted by ren on December 14, 2006, 8:40 pm
gofish@gonefishin.net wrote:
>
> >Hello - I'd appreciate any help that you are willing to give. I have a
> >natural gas heater. I am replacing an old thermosat with a new
> >programmable unit. When I removed the old unit, I flagged my leads and
> >taped them to the wall (2-wires only)... Somehow they came untaped and
> >slipped into the wall. In the process of recovering them, The flags
> >came loose and now I don't know which is which. I tried metering, but
> >there is no voltage present (I'm not sure if there should be...)
> >Upstream is an ITT general controls 860 gas valve. The 2 screws that
> >the old wiring are attached to both say TH (for thermostat, I'm
> >guessing), The opposite screws (going to the gas, I'm guessing) are
> >both labelled PG. If there's any question of doing damage, I'll call
> >in a professional. But it seems a bit of a shame for 2 screws....
> >Thank you (And there's no need to tell me that I'm an idiot. I already
> >know. Thanks)
> >-- Ren.
>
>
> you're making it a lot harder than it really is. your t-stat is
> opening and closing a circuit. twist both wires together and the gas
> heater operates. did it matter which direction you twisted the wires?
>
> If your new digital t-stat doesnt have batteries, buy a digital one
> that does. then hook either of the two wires to Rh and the other to
> W1
Thank you for your freely-given help
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