[nycbug-talk] OT: I need a new steam boiler

[gm]

FYI, "Homeowners with home heating oil tanks should be aware that their
tanks may have been
damaged or at risk of leaking as a result of Sandy, and may be eligible for
assistance with
clean-up from the New York State Department of Environmental Conservation.
For more information, contact:
NY State Department of Environmental Conservation at: (718) 482-7376."

On Mon, Jan 7, 2013 at 8:43 PM, Brett Wynkoop <nycbug at wynn.com> wrote:

> On Mon, 7 Jan 2013 19:07:33 -0500
> Andrew Stack <ajstack at gmail.com> wrote:
>
>
> > The 24VAC is run off the secondary of the 120VAC transformer.  Look
> > at the wiring diagram on your boiler/owners manual...Or just follow
> > your 120VAC line into the boiler where it terminates.  Perhaps you
> > could subvert the primary on the transformer, back feed the
> > secondary  with 24 volts....and all your controls should work (i.e.
> > the safety features.)  On the secondary side of the transformer...it
> > should all be 24 volt...I don't know if VDC will create more heat in
> > the circuit though......never tried it.
> >
>
> o  DO NOT PUT A BATTERY ACROSS YOUR 24 AC line!
>    Bad things will happen.....believe me I am a licensed professional
>    (yep I used to do something before computers)
>
> o  Here is a proper way to do the backup dc thing using simple off the
>    shelf components that you may already have around.
>
>     110 VAC ---> 200 watt UPS --> 110/24 volt furnace xfrmr
>
> Simple  and easy. The hardest part will be putting a plug on the
> primary of the transformer to plug it into the UPS.
>
> Your other alternative is something like this:
>
>     110 VAC --> charger -> battery -> inverter -> 24 volt ckt on furnace
>
> -Brett
>
> --
>
> wynkoop at wynn.com               http://prd4.wynn.com/wynkoop/pgp-keys.txt
> 917-642-6924
> 718-717-5435
>
> _______________________________________________
> talk mailing list
> talk at lists.nycbug.org
> http://lists.nycbug.org/mailman/listinfo/talk
>
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <https://lists.nycbug.org:8443/pipermail/talk/attachments/20130107/9c3a4ff3/attachment.htm>