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Hi DP, Thank you for your help today. Its greatly appriciated. All im after is someone to advise where i connect the volt free LS and LR switch cable on the Ideal boiler. This is to simply call for heat when the control centre asks... Can anyone exprienced please help? Kind regards Rick

Hi Flameport, Yes the control centre has all the therms, valve, pump and power source already wired into it. There also needs to be a wire switch connection to the boiler which calls for heat. Everythint is in the diagram attached in the original post.

Hi, We have a cyclinder which the boiler connets to and this heats up the water for taps etc Please see attached images of both the boiler diagram and Control Centre.

I attached the UFH diagram in the original post

Terminal 4 on the boiker is PL pump live. Surely i dont connect to this? I onky have two zone UFH control centre. No radiators. The Heat Enable connection on the control centre Volt Free connects to terminals 2 and 3 on the boiler right?

Hi DP Thank you for reply. I suspect the same but not 100% sure. We do have UFH in thr existing proprety, the grey and black wire suggests its from the control centre. The new UFH installed recently has a control centre which calls for heat. I suspect most setups are similar. Its the Volt...

Hi, Please could someone help me resolve which connection should be made from my Under Floor Heating control centre which calls for heat using a volt free switch. I have an ideal boiler which has opentherm which has been currently looped, also it has L and L2 connections please see attached...