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The UKHA-ARCHIVE IS CEASING OPERATIONS 31 DEC 2024


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Re: Ultimate Central Heating Thermostat


  • To: ukha_d@xxxxxxx
  • Subject: Re: Ultimate Central Heating Thermostat
  • From: "Patrick Lidstone" <patrick@xxxxxxx>
  • Date: Fri, 27 Oct 2000 09:17:44 -0000
  • Delivered-to: rich@xxxxxxx
  • Delivered-to: mailing list ukha_d@xxxxxxx
  • Mailing-list: list ukha_d@xxxxxxx; contact ukha_d-owner@xxxxxxx
  • Reply-to: ukha_d@xxxxxxx

--- In ukha_d@xxxxxxx, "Graham Howe" <graham@s...> wrote:
> I imagine the flaw in your plan is the assumption that internal
temperature
> is predominantly affected by external factors. The presence of
cookers,
> fires, large amounts of computer equipment (I'm sitting in my home
office
> surrounded by 5 PC's, two printers and a large HiFi)

The setpoint offset would account for continously radiating heat
sources, but not for cookers.

>and even people have a
> significant effect.

Good point. Comes back to occupancy detection - and how difficult it
is to know how many individuals are in the premises and where they
are located.

>For me the question is more one of how to retro-fit a
> multi-zone system in my house, there are 11 rooms and three
significant
> landing/hall areas and I can imagine it being very expensive to
install a
> zoned system. I frequently have some rooms hot and others cold, but
I can't
> do much about it other than turn off radiators.

X-10 radiator taps anyone?

Patrick


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