5. Commissioning - flushing and filling the system
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Flush the entire system carefully before filling.
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The leak tightness of the flat sealing connections of the fresh water unit must be checked and the connections tightened as required.
When tightening the connections, always hold them in place with a suitable tool!
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Remove air that has accumulated in the heating system by opening the vent screw.
Attention: To do so, note the system pressure and top up as required.
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