Re: Alternatives to Randall TP5 room thermostats

["Philip Smith" <philip.smith@xxxxxxx>]

Also have a look at http:\\www.autostat.co.uk

"mark mccall" <mar-@xxxxxxx> wrote:
original article:http://www.egroups.com/group/ukha_d/?start=109
> Have a look here Chris...
> http://www.cocoonz.com/sp-omni-RC80.htm
>
> "...127 thermostats up to 10,000 feet apart to be connected to
one
RS-232
> port..."
>
> Mark
>
> > I am in the process of building a new house and intend to install
> > an underfloor heating system provided by Nu-Heat Ltd.  In their
> > suggested design they have recommended using Randall TP5 room
> > thermostat/programmers to provide independent control over the 7
heating
> > zones in the building.  Each programmer is connected, via a
central
wiring
> > cupboard, to one or more motorised valves on the heating manifold
and
> > works, as far as I can tell, by simply switching mains voltage to
the
> > motorised valve on or off.
> >
> > What I'd like to do is separate the programmer function to a PC
whilst
> > leaving the thermostat function in the individual heating zones.
Ideally
> > each room/zone should have a wall-mounted thermostat with an LCD
> > temperature display and simple set-point controls.  A centrally
located PC
> > should provide the 24-hour, 7-day programming function for each
of
the
> > zones, by switching in series with the thermostat. I shall
probably
put 7
> > override switches in wiring cupboard to allow operation of the
heating if
> > the computer should fail.  I hate those VCR-style programmers and
the
> > thought of having to re-program 7 of them from time to time fills
me with
> > dread.  A Windows-based front-end which I can re-program from the
comfort
> > of my study is much more what I have in mind.
> >
> > I'm happy to write the software myself but does anyone have any
> > recommendations or thoughts on suitable room thermostats and PC
interface
> > hardware?
> >
> > Regards,
> >
> > Chris.
> >
> > --
> > Chris Davenport
> > chris@xxxxxxx
> >
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>
> ---------------------------------------------------
> Mark@xxxxxxx
> Visit The UK Home Automation Site at...
> http://www.ukha.demon.co.uk/
> ---------------------------------------------------


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