Saunier Duval THEMAPLUS F25E Manuel utilisateur

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Saunier Duval Thema C/F : Notice utilisation AI | Fixfr
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User questions

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Michael A.

How to check and adjust the boiler heating water pressure?

The heating system pressure should be between 1 and 2 bars, with 1.5 bar recommended. To increase the pressure, open the filling valve located directly under the boiler (identified by a blue extension handle) until 1.5 bar is displayed, then close the valve. The control panel +/- buttons adjust water temperature, not pressure.

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Michael A.

What to check if the boiler pressure does not rise after opening the filling valve?

Ensure that the cold water isolation valve under the boiler is open, check that the blue extension handle properly turns the valve mechanism, and verify that the main household water supply is turned on.

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