Recent content by imms78

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    Nest Learning Thermostat 3rd Gen paired with Glowworm Ultracom2 18sxi - Hot water issue

    Thanks for the response. I remember the HW working correctly when using the HORSTMANN CentaurPlus C27 programmer. But just to confirm it, I today again disconnected the NEST thermostat and connected back the HORSTMANN CentaurPlus C27 programmer. When I tested by programing a time to start and...
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    Nest Learning Thermostat 3rd Gen paired with Glowworm Ultracom2 18sxi - Hot water issue

    Thank you very much for the suggestion. As suggested I connected the wire from terminal 6 (of nest thermostat) to the L terminal of nest thermostat and then switched OFF both the CH and HW in the NEST thermostat. I also increased the temperature of the HW cylinder thermostat. When I do that...
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    Nest Learning Thermostat 3rd Gen paired with Glowworm Ultracom2 18sxi - Hot water issue

    Thanks for the quick reponse. Both the ground floor & 1st floor valves are linked in the junction box and so when I switch ON the "Heating" in the NEST thermostat, both the ground floor and 1st floor radiators work (i.e. central heating is working well in the house). The only issue I have is...
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    Nest Learning Thermostat 3rd Gen paired with Glowworm Ultracom2 18sxi - Hot water issue

    Thanks for the quick response ERICMARK. I am using the 230V and I think in my house its a S plan (can you please confirm my assumption is correct) as seen from the 2 pictures below (1st picture shows the hot water tank & valves and 2nd picture shows the valves & pipes). Also in the Nest...
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    Nest Learning Thermostat 3rd Gen paired with Glowworm Ultracom2 18sxi - Hot water issue

    Hello every one, I recently got a Nest Learning Thermostat 3rd Gen on sale as I wanted the ability to switch on and off the Central Heating & Hot Water remotely. I have a Glowworm Ultracom2 18sxi boiler (I believe its a system boiler?) with a seperate hot water tank to store hot water as well...
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