Wilo Economy Notice De Montage Et De Mise En Service page 30

Fig. 8 Manifold pipe support using vibration damper
Fig. 9a Break tank (example)
23 Inlet with float valve (accessories)
24 Air supply/extraction with insect protection
25 Inspection opening
26 Overflow
Ensure adequate drainage. Protect siphon or valve
against ingress of insects. Do not connect directly
to sewer system
(free outlet according to EN 1717)
27 Draining
28 Extractor (connection for DEA)
29-2 Terminal box for low-water signal transmitter
30 Connection for flushing apparatus, inlet
31 Level display
Fig. 9b Low-water signal transmitter break tank (float
switch) with connection diagram
29-1 Low-water signal transmitter/float switch
A Tank filled, contact closed (water not low)
B Tank empty, contact open (water low)
Core colours
BN BROWN
BU BLUE
BK BLACK
Installation and operating instructions Wilo-DEA
Fig. 10 Drainage pipe for flushing
19-2 Drainage connection for system flushing (nominal
diameter = pump connection)
Nominal diameter = pump connection nominal
diameter or a nominal diameter smaller than the
pump connection nominal diameter
Note: If a diaphragm pressure vessel is arranged on the
end pressure side, arrange the drainage directly
downstream of the diaphragm pressure vessel.
English
29