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Ecdon Third party Thermostat Issues

adam_colwell · 2023-08-06T08:46:29Z

Hi All, I'm hoping someone might be able to help. I'm currently having an issue where the heating is coming on downstairs even though the thermostats aren't calling for any heat. I'm running the system on weather compensation mode and have two zones (with two thermostats downstairs (Zone 2 for some reason) and one upstairs (Zone 1, im assuming). They are thrid party thermostats. How do i get the system to talk with the thermostats because it seems at the moment, it doesn't at all. The only way i can turn the heating off at the moment is to force it off on the main control panel.

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Thermostats, Volumisers, Buffer Tanks, TRVs, Pumps, Piping, Valves, Radiators & Controls

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adam_colwell

(@adam_colwell)

Active Member Member

Joined: 3 years ago

Posts: 21

Topic starter 06/08/2023 4:58 pm

@derek-m yeah its since the cooler weather has arrived, the controller is located in airing cupboard upstairs. The door is closed and there is no radiator in the cupboard.

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Kev M

(@kev-m)

Noble Member Member

Joined: 6 years ago

Posts: 1276

06/08/2023 8:50 pm

Posted by: @derek-m

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Posted by: @adam_colwell

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If the thermostat have been wired incorrectly, is a hard job to fix?

It is quite some time since I explored the delights of the Ecodan manual, but I think that Kev is correct that there may be DIP switch settings that need to be made or that equipment may need to be enabled. I would suggest that you have a look through the 'installer settings' to see if any changes need to be made.

@Derek-m, if you look at the dip switch settings in 5.4 of the FTC6 manual, it says how to set the logic for the 3rd party thermostats. If these were set wrong it could possibly cause issues like @adam_colwell is having. Another thing to look for is a 3 way valve stuck or not set up properly.

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