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Hi,
I have recently installed a Drayton Wiser Kit 2 to replace an old Potterton EP2001 with an oil fired boiler (Grant Euroflame). I’ve wired the Wider with the same wiring setup as the Potterton, expect without the link wire from L to 5 (as someone helped me with on this forum). The HW is working fine, but when the systems calls for CH, the radiator valves open but the boiler doesn’t kick in. So, if the HW is on at the same time, the radiators heat up, but if it’s not, then the CH doesn’t heat.
I wonder whether I’ve got a loose connection somewhere, but have looked and it all seems to be wired ok. Any help much appreciated.
Thanks
Miguel
I have recently installed a Drayton Wiser Kit 2 to replace an old Potterton EP2001 with an oil fired boiler (Grant Euroflame). I’ve wired the Wider with the same wiring setup as the Potterton, expect without the link wire from L to 5 (as someone helped me with on this forum). The HW is working fine, but when the systems calls for CH, the radiator valves open but the boiler doesn’t kick in. So, if the HW is on at the same time, the radiators heat up, but if it’s not, then the CH doesn’t heat.
I wonder whether I’ve got a loose connection somewhere, but have looked and it all seems to be wired ok. Any help much appreciated.
Thanks
Miguel