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Re: multi-zone central heating




Does anyone know of a central heating programmer / controller with a
network interface?  Something I can stick on the LAN, then alter the
settings for via PC or another device?

TIA

Simon

christopher purves wrote:

> This one has a network interafce :)
>
> http://europe.hbc.honeywell.com/products/pdf/en0b0235-ge51r0802.pdf
>
> ----Original Message Follows----
> From: Kevin Hawkins <lists@xxxxxxx>
> Reply-To: ukha_d@xxxxxxx
> To: ukha_d@xxxxxxx
> Subject: Re: [ukha_d] multi-zone central heating
> Date: Fri, 21 Jan 2005 04:13:33 +0000
>
>
> Does anyone know of a reasonable cost 'proportional' valve in this
> format (attach to radiator)  - one where say 0-10V will provide linear
> control from closed to open ? Or failing that where a timed
application
> of a voltage will open a valve a certain degree and it will stay
there.
>
> Kevin
>
> Neil Ball wrote:
>
> >These type of actuators are commonly found on underfloor heating
> manifolds.
> >They do take a while to open & close which is not a problem
with UFH due
> to
> >it's relatively slow thermal response. Biggest benefit is ease of
wiring
> and
> >low cost compared to motor-based actuators. If you are thinking of
using
> >them on radiator TRV valve bodies just make sure you get the right
torque
> >rating as too high a closing force will damage the soft valve
seats very
> >quickly and stop the valve from shutting off.
> >
> >Neil B.
> >-----Original Message-----
> >From: William Sadler [mailto:ukhad@xxxxxxx]
> >Sent: Thursday, January 20, 2005 17:43
> >To: ukha_d@xxxxxxx
> >Subject: Re: [ukha_d] multi-zone central heating
> >
> >
> >
> >On the same theme, has any body used these: Thermo-Hydraulic
> >Actuators?
> >
> ><http://www.danfoss-randall.co.uk/Site/downloads/VDSAP112.pdf>
> >
> >Which from the online page can be used to replace thermostatic
> >radiator valve heads and controlled electrically with 230 or 24
> >volts.
> >
> >William.
> >
> >
> >
> >
> >
>
>
>
>
>
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