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7. Operating instructions
7.1 Domestic water circulation
The domestic water circulation system is used to provide a constant supply of hot water to the taps and to flush the domestic water
pipes ( g rowth of legionella). Please ensure you comply with the relevant technical regulations and guidelines.
A check valve is installed on the pressurised side of the circulation pump on the domestic water side in order to prevent unwanted circulation. The con-
troller can be used to control the domestic water circulation. The factory setting must be dependent on the object adapted.
DN32 backflow preventer
•
in the domestic water circulation
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with 2" seal
•
The illustration shows the installation position
and the flow direction of the return inhibitor
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