RE: Underfloor heating and HA control?

["Paul Gale" <groups@xxxxxxxxxxxxxxxx>]

Thanks all :)

A couple of questions:

I presume with a UFH system that the boiler will be running more often???
Or is this incorrect?

Is it true that as you add more control to each room, that efficiency
increases and running costs decrease???

Are there any particular types of boiler that are more suited to this kind
of system?

Thanks,

Paul.



> -----Original Message-----
> From: ukha_d@xxxxxxx [mailto:ukha_d@xxxxxxx] On Behalf Of
> Neil Ball
> Sent: 19 October 2006 10:38
> To: ukha_d@xxxxxxx
> Subject: RE: [ukha_d] Underfloor heating and HA control?
>
>
>
> Using floor sensors can be very useful for bathrooms as you can
maintain a
> minimum floor temperature regardless of air temperature which is
fantastic
> in winter for keeping your toes warm!
>
> Make sure that you ask you UFH installer for some offcuts of tube to
use
> as
> ducting for the sensor and run the tube back to a standard back box
for
> cable terminations. The tube will allow you to withdraw ad replace the
> sensor should it ever develop a fault. Just remember to fit a stop end
or
> use some duct tape to block of the end of the tube in the floor
especially
> if you are screeding.
>
> Neil B.
>
>
> -----Original Message-----
> From: ukha_d@xxxxxxx [mailto:ukha_d@xxxxxxx] On Behalf Of
> Lehane Kellett
> Sent: 19 October 2006 09:42
> To: ukha_d@xxxxxxx
> Subject: Re: [ukha_d] Underfloor heating and HA control?
>
> Whilst we have UFH in concrete, it should be the same.
>
> I embedded some Dallas sensors in the screed to give the floor
readings
> and have room sensors in addition. These are all linked to TOM 10/xAP
> and use scripts in xAP Floorplan which also display the temperatures
> around the house on the plans.
>
> As a backup, there is a single Heatmiser UFH stat which at the flick
of
> a switch(well 3) overrides the HA. Sometime maybe I'll add an RS485
link
> to the stat.
>
> The UFH is John Guest with an 8 port manifold. Each port has an on/off
> 24V JG actuator. These and the pump are all driven from an xAP Netiom,
> via relays, controlled by the scripts. A further xAP Netiom drives the
> boiler control, which is a Mitsubishi industrial logic controller.
>
> The degree of control can be simple timed on/off through to full
weather
> compensation, optimum starts, individual zone/time control, etc.,
etc...
> as I get more time!
>
> Lehane
>
>
>
>
>
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