Re: Re: Underfloor heating and HA control?

[Lehane Kellett <lehane@xxxxxxxxxxxxxxxxxxx>]

No, just the standard JG install with manual mixer.

The overshoot isn't really a problem since the setpoint is effectively
just a degree lower.

Lehane


Jim Noble wrote:
>
> Lehane Kellett wrote:
> > Just to add to Ziggy's comments.
> > The overshoot on the UFH is about 1 degree on our the slab, it
would be
> > less for a wooden floor I'd guess. So currently boiler demand
cuts off
> > at 24C slab temperature (house occupied, 'day') but runs the UFH
> > circulation pump for another 10 minutes and reaches about 25.25C.
It
> > calls for demand again at 22.5C
> > It is (right now about 13C outside/21C room) cooling at 0.6C per
hour.
> >
>
> Is there any control of the temperature of the water circulating in
the
> slab? eg can you lower the temperature of the UFH water towards the
room
> temperature set point as it approaches? Would that help reduce the
> overshoot?
>
> > Probably way too much detail!
> >
>
> Too ... much ... detail ... Nope, sorry, don't understand :-)
>
> Jim
>
>
>
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