Danfoss Thermostate and external temperature sensor

Other Devices & Integrations Climate Control & Temperature Sensors
1

Hello all,

I have in my living room and bedroom danfoss living connect thermostates [url=http://downloads.ezhome.nl/en/DAN/DAN_LIVC_M30_in_en.pdf]http://downloads.ezhome.nl/en/DAN/DAN_LIVC_M30_in_en.pdf[/url] , and they work verry , I am quite happy with them.

Got 1 spare somewhere in a box, and want to use it for my floor heating in the bathroom,but the controller for the hot water is in the basement , Now there is a manual thermostate with a kind of copper wire going into the mixing device.

There should be no difficulty attaching the danfoss thermostate to the mixing device , but the internal temperature sensor , that is not working offcourse. ( I allready dismantled one , to see if I can extend the sensor by a wire , but unfortunately there are 2 sensors inside).

The other option I am just thinking of now is , use an external sensor (Zwave) and feed that signal to the thermostate somehow…

Anyone has an idea of that is possible?

I allready thought something like this:

Normall temperature in the heating room is between 21 and 24 degrees when the heating is on.
The manual thermostate I have now , I have to set between 30 and 37 degrees to have about 22 degrees in the bathroom. That would be about 9 to max 14 degrees difference.

When I make a scene with a trigger ( probably need some PLEG here )
-all temperature below 19 degrees >> Set temperature of danfoss to 37.
-all temperature above 22 degrees >> Set temperature of danfoss to 24.
-temperature = 20 >> danfoss to 35
-temperature = 21 >> danfoss to 33

The actual numbers has to be adjusted with experience offcourse.
Any feedback or better options?

Thanks,
Cor

2

I don’t know how to hook up the Danfoss to an external sensor, but isn’t there a valve or pump in your floor heating system? I’ve left the old thermostat on my floor heating mixer, hooked up a zwave switch to the pump instead, and associated it with a Horstmann room thermostat. This controls the temperature in my office quite well.

3

The valve is the thermosate and indeed there is a pump…

That s is not a bad idea , but that’s just pump on and off , no circulating anymore of the water, except when fresh hot water is being mixed into it… hmmmm, not sure yet if that is a good idea.

It Would mean :
when the temperature is good , switch pump off … but it will get hotter and hotter than , since the floor will keep on giving it heat.

4

A normal room thermostat will to some degree compensate for residual heat; it will switch off the pump before the desired temperature is reached, taking into account that the floor will continue to radiate heat for a while.

5

hmmm.

but there will be no circulation anymore… the system I have circulates the water continously , when the water cools down hot water is added. Not sure what effect it will have when the water is not circulated anymore.
Cor