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28 WILO SE 04/2013
Fig.13a Break tank (accessory - example)
41 Inlet (with float valve (accessory))
42 Air supply/vent with insect protection
43 Inspection opening
44 Overflow
Ensure adequate drainage. Protect siphon or
valve against ingress of insects. No direct con-
nection to the sewer system (free drainage
according to EN1717)
45 Drainage
46 Extraction (connection for pressure boosting
system)
47 Terminal box for low-water signal transmitter
48 Connection for flushing apparatus intake
49 Level display
Fig.13b Low-water signal transmitter (float switch)
with connection diagram
50 Low-water signal transmitter/float switch
A Tank full, contact closed (water not low)
B Tank empty, contact open (water low)
Core colours:
BN BROWN
BU BLUE
BK BLACK
Fig.14 Required space for the access to the
controller
2 Controller
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