DAB EUROINOX 30/50 Instructions Pour L'installation Et La Maintenance page 25

4. If the incline of the discharge pipe is insufficient, install a lifting station in order to guarantee the discharge.
4.3. Mains water pipe connection
Proceed as follows:
1. Connect the mains water supply pipe to the 3/4" threaded outlet on the righthand side of the tank (see fig. 02
point 8).
2. Check that the float valve moves freely and that it is correctly positioned within the mains water tank (see fig
.04). The float should be able to move freely.
WARNING
Make sure that the level regulation float does not turn when tightening the pipe.
•
The float valve that regulates the discharge of mains water is designed to operate at a maximum
•
pressure of 4 bar / 0.4 MPa and a flow rate of over 10 l/min. If the mains pressure exceeds this value, fit
a pressure reducer upstream from the float valve ad a mesh filter to protect it against any impurities
that endanger its operation. Excessive pressure in the mains pipe could cause the float valve inside
the system to leak or break.
Ideally an on-off valve should be fitted before the float valve so that the mains water can be turned off
•
in the event of breakage or malfunction, and so that maintenance can be performed in total safety.
4.4. Collection water suction pipe connection
The suction pipe must have an internal diameter of at least DN25, and must always have an incline towards the
collection tank (see Table 1). Before connecting it to the system, make sure that there are no air locks and that it is
clean, if necessary clean it with clean water.
Install the system as close as possible to the rain water collection tank. Use the table below in order to ensure that
the distance is not excessive, a suction height of 6 meters should never be exceeded in order for the pump to
perform at its best (total between the effective suction distance and penalization of the suction based on the length of
the suction pipe).
The point of suction must always guarantee the suction of clean water, use a suction kit and install it as illustrated in
figure 05.
ENGLISH
Figure 05
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