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Installation and electrical connection
18
WILO SE 2020-06
70
245
118
118
118
403
403
360
65
403
245
360
70
195
131
134
133
Fig. 4:
Inlet areas
Note the following when connecting the inlet:
ƒ
Connect the inlet within the marked areas. If the inlet is outside the marked areas,
the following problems can occur:
–
The connection will leak.
–
Backflow into the connected inlet pipe.
ƒ
Avoid an inlet surge and air intake into the collection reservoir. Lay the inlet properly.
CAUTION! Inlet surges or air intake into the collection reservoir can cause the
lifting unit to malfunction!
ƒ
Lay the inlet pipe with a slope to the lifting unit so that it can drain automatically.
ƒ
The minimum connection height is 180 mm (7 in).
ƒ
All connections must be completely tight!
ƒ
Install gate valve in the inlet!
10...20 mm
0.4...0.8 in
1
1
1
1
1
2
3
3
3
4
4
4
5
5
1
2
3
4
Fig. 5:
Connecting the inlet
1
Reservoir wall
2
Hole saw for drill
3
Inlet seal
4
Inlet pipe
5
Pipe clamp
‡
Lifting unit installed properly.
‡
Inlet pipe installed properly up to collection reservoir and according to consulting
documents.
‡
Assembly materials provided:
1x hole saw
