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RE: Automating a thermostat


  • To: <ukha_d@xxxxxxx>
  • Subject: RE: Automating a thermostat
  • From: "Justin" <justin@xxxxxxx>
  • Date: Sat, 12 Jan 2002 15:37:57 -0000
  • Delivered-to: mailing list ukha_d@xxxxxxx
  • Mailing-list: list ukha_d@xxxxxxx; contact ukha_d-owner@xxxxxxx
  • Reply-to: ukha_d@xxxxxxx

> Any of you guys removed an existing mechanical thermostat and replaced
it
> with one that is capable of x10 control?
This is something I have been working on for a while.

My thermostat was switched live 230V (like a light switch)
I purchased a relay kit from Quasar (part 3084) which allows me to switch
the 230V using a 12VDC input. My original ideas was to use an X10 DC
adapter
(http://www.letsautomate.com/10681.cfm?CFID=8471&CFTOKEN=4325835)
but that
didn't work.
Not being clued up on electronics I can only assume it is because that unit
is 100MA (does that sound feasible, anyone?)
Instead I am using a 500MA wall wart in a TM12U. The good thing about this
is the TM12U doesn't have current sensing, and it can be polled.

This setup isn't very pretty, which sounds like it might be a problem for
you. I'm not bothered as it's all in the garage.

I also use a Quasar temp board and eventually want to set the heating using
these (and HomeSeer). At the moment I still use the boilers built in timer
and just using the pronto to turn on the heating if it needs a bit of a
boost.

Justin.

> -----Original Message-----
> From: Dan Khan (Work) [mailto:dhk@xxxxxxx]
> Sent: 12 January 2002 3:23 PM
> To: ukha_d@xxxxxxx
> Subject: [ukha_d] Automating a thermostat
>
>
> Any of you guys removed an existing mechanical thermostat and replaced
it
> with one that is capable of x10 control?
>
> Ideally I want a thermostat with a read out of current temperature and
the
> ability to change it locally and remotely via pc/pronto (x10).  The
> thermostat is in the living room so the replacement must not look
> too out of
> place.
>
> Someone must have done this before - how easy is it to remove an old
> thermostat?  What new parts do I need?  Anyone got a decent tutorial
> webpage?
>
> Cheers,
> -Dan
>
>
>
> For more information: http://www.automatedhome.co.uk
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