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So the opentherm is supposed to be able to control both heating and hot water via the one pair connection.
I have a 3 core from boiler spur to wiring centre and 3 core to each stat. Brown on each valve to sw return from each stat. I understand the wiring of what's in place.
I'm trying to figure out best way to achieve 12v at wall stats and not kill the feed to the valves. I think this leaves me with 2 options. Adjust wiring at spur or install heat link in wiring centre cupboard and use 2 legs from the 3 core back to boiler for opentherm. The 2 valves are for both zone use and not domestic hot water
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yes it would normally be installed at wiring centre position so you have access to all the cables.Cheers
So the opentherm is supposed to be able to control both heating and hot water via the one pair connection.
I have a 3 core from boiler spur to wiring centre and 3 core to each stat. Brown on each valve to sw return from each stat. I understand the wiring of what's in place.
I'm trying to figure out best way to achieve 12v at wall stats and not kill the feed to the valves. I think this leaves me with 2 options. Adjust wiring at spur or install heat link in wiring centre cupboard and use 2 legs from the 3 core back to boiler for opentherm. The 2 valves are for both zone use and not domestic hot water
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