– Welcome here on our
YouTube channel! My name is Sebastian and in the trainings I get the question like: "Can I switch my underfloor heating to Homematic IP?" In short: yes it works and now I have brought Holger in and we want to explain to you today how the whole thing works. – Exactly, the first question you have to ask yourself of course is: "What kind of underfloor heating do I have?" Is that an unregulated underfloor heating, where there are actually still manual control valves on the heating circuit distributor,
or is it already underfloor heating with individual room control? This has a single wall thermostat in each room. We are now simply
assuming that we have unregulated underfloor heating with classic thermostats that you have to turn by hand. We can
offer the following: We have our underfloor heating actuator, which
I have already installed in this distributor .
Control valves are then connected to this actuator . These come to the distributor where you would otherwise have installed your manual thermostats. This is available in two different
versions, namely a 6-channel and a 10-channel version.
– What about the operating voltages? – Exactly, you definitely have to pay attention, because these underfloor heating actuators are available in a 230 and a 24 volt version. Regardless of which variant you use, make sure that you also use the correct actuators, because these are also available in two different variants. So first we make the heating circuit distributor smart. In every room in which you want individual control , you need a wireless wall thermostat. This then tells your underfloor heating actuator when there is a corresponding heat requirement that, for example, heating circuits 1 and 2 in the living room should be opened.
– That sounds very simple. – It's actually very easy to set up and we'll just play it through together. I have already trained this wall thermostat and assigned it to the living room. Now
we just learn our underfloor heating actuator. I click on "Teach in device" … – We have the QR code on the front. – Exactly,
we now have to press the system button once, then – as we already know – I scan the QR code. Great, the device will be found in a moment. In the meantime, I would like to introduce you to an interesting feature: I can not only address individual heating circuits
, the whole thing is also equipped with a pump control.
If any heating circuit reports a heat requirement , the pump is automatically
activated. I've shown this up here
using an LED. When all heating circuits no longer need any heat, the pump is also switched off. Really practical! So now I say in which room
this actuator is located. I could say, for example, that the actuator was installed in my technical room . With "OK" I confirm the whole thing and in the next step we assign a name, as we already know it from other devices. Here it is now shown what is connected to which output of this underfloor heating actuator. If we have now, for example, connected our heating circuit in the living room to connection 2, then we simply select "Living room" here. If a living room has two heating circuits , which is quite common, you can choose to also select the living room at
connection or heating circuit 3 . Since a wall thermostat is also assigned to this room, the wall thermostat is automatically linked to channel 2 and channel 3 of this connection strip. As already mentioned, you can then connect your pump to heating circuit 1 of the actuator.
You can activate this in the app. If you want to do that, the heating circuit 1 must remain free for the time being, because the pump will be connected there later and not an actuator. We have now only connected two heating circuits here,
simply confirm the whole thing "Done" and the actuator is taught in. As soon as
I now here on the wall thermostat … – Is it already paired? Is it enough if the wall thermostat is also assigned in the living room? – Exactly, through the same room allocation, the wall thermostat is linked to the two outputs. If I now increase the temperature here, i.e. set it to 22 ° C, for example, then these actuators,
which are located on the heating circuit distributor, will open and let hot water
flow through the underfloor heating until the temperature is reached.
Then they are clocked so that the set temperature is maintained there.
We take a look in the 'Device overview' to see what else you can do with the actuator. We'll look for it from the list and see what else can be configured. The actuator is located in the 'technical room' and I had already mentioned that pumps can be activated via the point 'Local pump control'. Output 1 would now be switched on when there was a heat demand and output 1 would also be switched off again when the demand was no longer there.
Also very important for you: We can still specify the drive type here . There are
different types of actuators that differ not only in the power supply, but also in the same way … – N.O. and N.C. i.e. normally open or normally closed. – Right, that says whether the valves are open or closed when the power is off.
You have to pay attention to what is on your drive. Otherwise we have many other functions here, such as 'Emergency heating'. This is also very interesting: What happens if my wireless wall thermostat fails? When that happens , this underfloor heating actuator switches to emergency operation and controls the connected actuators at 25 percent. This is guaranteed. that always has a little warm water flowing through it. Here you still have an incredible number of setting options that can help with optimization, such as the heat demand control. That would now be the retrofitting of unregulated underfloor heating. However, if you already had wall thermostats for underfloor heating as individual room control, then I would recommend another wall thermostat. Namely our wall thermostat with switching output. This is a combination of a wall thermostat and a switch actuator.
This then simply replaces the old wall thermostat. The built-in actuator works with the same logic as our underfloor heating actuator. Your actuators can then be connected directly to the wall thermostat. So they can continue to be used. – Is that also available again for 230 and 24 volts? – Exactly, here too there are both variants. – That's easy! – Nice! So I hope that this answers your question. – Yes, I hope you were able to take this
information with you and now know how to intelligently control your underfloor heating
with Homematic IP! – We hope you enjoyed the video, please leave us a 'Like' and subscribe to our Kana! Until next time!
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