Boiler is not modulated, thermostat not working properly.

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mirage-cze
Posts: 2
Joined: 22 Feb 2021, 17:04

Boiler is not modulated, thermostat not working properly.

Post by mirage-cze »

Hi Netatmo,

I just installed the smart modulating thermostat and I am confused... I have Boiler, which is on your compatibility list (Radiant R2K). The boiler is showing the OpenTherm icon and temperature control of heating and hot water is blocked. OK, but I have two issues:

1) In Home+ App is no Hot Water control

2) The heating is very strange. Before Netatmo, I controlled the Bolier with on/off a thermostat and I set the temperature of heating water manually (+- around 40 degrees of Celsius). The Bolier constantly keeps a set water temperature and modulates its power output. I expected, that Netatmo will manage this temperature by itself...yes it does... but the boiler is now heating on full power to 55 degrees, and then it stops heating for 180 seconds and then repeats this procedure (relay is switched on the whole time) This is not good for boiler lifetime (too many starts) and also is not economical.
Strange... any suggestions? Thank you very much...

Best regards. Mirek
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