Recent content by dgungadoo

Ok, I got it all working like a charm by not touching the Honeywell ST7100 programable timer, but by retrofitting the wall Thermostat instead. I set the programmable timer to "Always On", then wired the "Nest Heat Link" in place of the thermostat.

I am trying to connect my new Nest Thermostat to: Potterton Suprima 60 HE - Condensing Central Heating Boiler (Manual: http://www.potterton.co.uk/docs/101209_Potterton_Suprima_HE_Range_installer_guide.pdf, see page 30 for wiring) Honeywell ST7100 Control Unit...

I'm trying to install a Nest Thermostat + Heat Link to: Potterton Suprima 60 HE - Condensing Central Heating Boiler (Manual: http://www.potterton.co.uk/docs/101209_Potterton_Suprima_HE_Range_installer_guide.pdf, see page 30 for wiring) Honeywell ST7100 Control Unit...