Re: Heatmiser Central Heating Thermostat

["Chris Purves" <CHRIS_PURVES@xxxxxxx>]

This is a great tool for logging serial exchanges and it has a free trial.

http://www.hhdsoftware.com/sermon.html



Chris
--- In ukha_d@xxxxxxx, Simon Ryley <simon.ryley@o...> wrote:
>
> Have you had a go at reverse engineering the protocol for the stats? 
I=20
> would imagine its based on a standard protocol such as RS232, RS
485,=20
> LIN etc and so wouldn't be too hard to understand?  If someone can=20
> gather the data I am happy to have a look at it.
>=20
>=20
> markttay wrote:
>=20
> > I have got 13 of these stats connected to 4 of their UH1
controllers
> > for my underfloor heating system. I have used their sofware to
> > programme the stats and set date and time etc. something that
would
> > be very labourious manually. Everything works ok, but it is very
> > slow to update the stats and the sofware is rudimentary and not
> > entirely stable. It is however the best networked setup I have
seen
> > on the market (within the bounds of what mere mortals can afford
-
> > unlike SmartKontrols) and the room stats are attractive and well
> > made. Doesnt cost the earth either - from memory, stats were
=A330ish
> > each and UH1 controllers =A380.
> >
> > This system is crying out to be opened up to allow integration
with
> > outh HA systems, it baffles me why the Heatmiser folks wont do
this.
> >
> >
> > --- In ukha_d@xxxxxxx, Kevin Hawkins <lists@u...> wrote:
> > >
> > >
> > > It's such a shame that HeatMiser won't release the serial
protocol
> > for
> > > their networked stats, as they would make great HA zone
devices.
> > It's
> > > possible it could be be reverse engineered though.  Despite
many
> > > conversations with them they still believe that automation
of
> > heating
> > > beyond their simple software isn't sensible or desirable. 
They
> > look
> > > great (and well priced) products.
> > >
> > > Kevin
> > >
> > > Quinten Uijldert wrote:
> > > >> I presume these are easy to install? I have an old
mechanical
> > type one
> > > >> that needs replacing but not having done it before
I don't know
> > what
> > > >> to expect.
> > > >>=20=20=20=20
> > > >
> > > > First you need to establish what current connections
you have on
> > the old
> > > > mechanical thermostat.  Then have a good read of the
documents
> > on the
> > > > Heatmiser website explaining which ones are suitable to
replace
> > it.  I had
> > > > no idea which one to use either, but with a bit of help
from the
> > guys in
> > > > #ukha on irc I ended up with the right model.
> > > >
> > > > Q.
> > > >
> > > >
> > >
> >
> >
> >
> >
> >
> >
> >
> >
> >
> >
> >
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