Is anyone controlling individual radiators in their homes?
This came up briefly at Homecamp 4 and Ken suggested using an electric
expanding wax pellet. Any other custom solutions? I would love for it to
only use energy to turn on / off but not to keep the radiator on.
There seem to be quote a few wireless commercial solutions now, but all
quite expensive per radiator:
Homexpert Rondostat Electronic Radiator Controller
Honeywell HR80UK Radiator Controller
HouseHeat Wireless Radiator Valve Motor
Has anyone tried hacking any of these?
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I have a current project for controlling radiators.
The controllers I choose was Sauter AXT111 F202. It is a 24V
controller and fits most radiator valves. They are about 30 quid plus
I am lucky, as I have cat5 in every room. I use 1-Wire controllers
DS2406 to run relays and DS18S20 to check the radiator temperature. I
was also thinking of using small fans to boost the radiator's output
when it is hot.
Arduinos could be used, as an alternative controller.
On Nov 25, 9:55 am, "Nicholas J Humfrey" <n...@aelius.com> wrote:
> Is anyone controlling individual radiators in their homes?
> This came up briefly at Homecamp 4 and Ken suggested using an electric
> expanding wax pellet. Any other custom solutions? I would love for it to
> only use energy to turn on / off but not to keep the radiator on.
> There seem to be quote a few wireless commercial solutions now, but all
> quite expensive per radiator:
> The Electronic Thermostatic Radiator Valve (eTRV)
> Homexpert Rondostat Electronic Radiator Controller
> Honeywell HR80UK Radiator Controller
> HouseHeat Wireless Radiator Valve Motor
Where do you buy the Sauter controllers from?
"The actuator has an electrically heated, overrun-proof expansion element which transfers its stroke
direct to the valve."
I guess that means you have to keep it powered with 3W, to keep the radiator turned on? Do you run the 24v power over the same Cat5 as the 1-wire signalling?