Pag. 38 di 69
4.13 SANITARY FLOW SWITCH
The DHW flow meter is positioned in front of e way valve.
When turned on sanitary mode, the flow of water passes through the flow switch (on/off), the float moves
upwards and through the magnet close the reed sensor contact and the PCB know that the tapping is in
progress.
A cold water inlet filter is built-in the sanitary flow meter to stop impurities from getting in.
There is also an anti-hammer device (through the PCB) that can be set by parameter 2 52 between 0.5 sec
and 20 sec (default 0.5 sec).
It is possible check if the contact is open or closed through the connector CN11.
Flow capacity on: 2 l/min
Flow capacity off: 1,4 l/min
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