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Controlling of electric underfloor heating


janton

Question

Hi.

Does anybody know how to control electric underfloor heating with HC2 ? What thermostat can be used to replace the old one etc. ? Now I am using Eberle thermostat...

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I found this

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But it seems like its only to be controlling hot water floor heating and not electrical.

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I found this

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But it seems like its only to be controlling hot water floor heating and not electrical.

Some of them like the SRT321 can control a FGS221 for example. I did such thing and to avoid FGS221 burning I have added a contactor that can handle 20A things (those things are used in France in general to switch on / off hot water heating when the electricity is cheap, see pic).

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  • Hi Wajder and Kiwi

    Thanks for your suggestions.

    Kiwi... So you have done this kind of connection with FGS221 and STR321 ?

    I have electric heating under floors and in living room I have under roof electric heating.

    I have yet automated switch on / off hot water heating when the electricity is cheap.

    Can you help a little bit more ... How did you connect FGS221 and STR321 ? So does the FGS221 go to "house fuse box" and the STR321 replaces the old wall thermostat ?

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    I have the Same problem, i'm trying to connect a SRT321 (horseman thermostat) with a fibaro 2x1,5kw

    How to simply do that in homecenter 2

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    you have to make associations between thermostat and relay.

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    How to do it in HC2

    I dont understand association panel...

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    You have to choose parameters of relay - there is association group 1, group2 and group3. You have to associate group1 relay to thermostat.

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    Hi you can use group 2 or do a direct association.

    Since direct association with 2x1,5Kw fibaro can be used only on S1 (I think), you should use Group 2, like on this pic :

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    Regards,

    Xavier

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    Could Somebody explain me how this groups are working , I don't really get it , or is there a manual somewhere arround ?

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