Installation Note - Safety Valve; Installation Note - Safety Sieve - ELECTOR REFILL plus Manuel De L'utilisateur

3.5 Installation note - ATTENTION !!! Solenoid valve
Solenoid valves must always be installed upstream to the REFILL plus water filter system.
This applies in particular to solenoid valves from automatic top-up systems. These have to be
converted. When closing, solenoid valves cause water hammers with high pressures in the upstream
pipework installation, which may exceed the operating pressure of the REFILL plus water filter system
and can cause leaks.
However, other solenoid valves, such as those from measuring devices for capacity monitoring, must
always be installed in the flow direction in front of the water filter system.
If it is not possible to install the solenoid valve upstream to the REFILL water filter station, we
recommend installing a water hammer arrestor downstream to the REFILL water filter station, but
upstream to the solenoid valve.

3.6 Installation note - safety valve

In the scope of DIN EN 1717, a safety valve must be installed in front of the water filter system to
prevent the backflow of heating water into the tap water installation.
In systems without automatic pressure maintenance, the installation of a compact filling valve is
recommended, as this allows semi-automatic filling due to the adjustable pressure control valve.
In systems with automatic pressure maintenance and make-up water control, only a non-return valve
should be installed without an additional pressure reducer.

3.7 Installation note - safety sieve

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The safety sieve, included in the scope of delivery, prevents the
resins from breaking out of the ion exchanger cartridge in case of any
damage. Before installing the ball valve, place the safety strainer on
the 3/4 "screw connection at the outlet of the connection fitting.
Water filter system for deionization
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