10 Operation
10.3 During operation
10.3.3
Activating the reversing valve
Personnel qualification:
o
Trained personnel
1
Fig. 20: Hebel Umschaltventil
Fig. 21: Stellungen Umschaltventil
Notice
The reversing valve can be operated during operation.
1.
Turn the lever
1
to the left.
ð
The left-hand strainer and the left-hand pump are connected with the pipe system.
2.
Turn the lever
1
to the right.
ð
The right-hand strainer and the right-hand pump are connected with the pipe system.
3.
Turn the lever
1
into the middle position.
ð
Both strainers and both pumps are connected with the pipe system.
Notice
The reversing valve seals mechanically and therefore has a low amount of leakage.
10.3.4
Operating the two-way valve (optional)
The pump station can optionally be equipped with a two-way valve.
Personnel qualification:
o
Trained personnel
1
Fig. 22: Zweiwegeventil
Operating instructions
OID 02en-GB Edition 2019-11
35
