Siemens REV 24RF connection to Vaillant Ecotec 837Combi

Henrycl · 14 Jun 2012

Hi All,
Can someone please advise me on how to fit a Siemens Rev 24RF wireless Programmer to a Vaillant Ecotec 837 Combi?
The Ecotec has a live, Neutral and Earth terminal connected to the main supply which powers the boiler, the boiler also has terminals 3, 4 and 5
The Wireless Programmer has a sender unit (RCR 10/868) which requires wiring to boiler, it has terminals on one side L1,LX AND L2, on the other Live and Neutral.
Could anyone please advise me on the correct method of connection.

Many Thanks, Henrycl. B

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Siemens REV 24RF connection to Vaillant Ecotec 837Combi

Henrycl

DIYnot Local

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