9 Connection
9.1 Dangers during connection work
Requirement:
ü
Pump station and pumped liquid cooled down to the ambient temperature
1.
Ensure that the pump station is deenergized and is secured against being switched back on.
2.
Ensure that the pump station is depressurized.
3.
Close the pressure-side and suction-side shut-off devices.
4.
Loosen the connecting screws of the suction connection and the pressure connection. Collect
any discharging pumped liquid.
5.
After the pumped liquid has been drained completely, dismantle the pressure-side and suction-
side connecting flange.
1
1
6.
Open the screw plugs
1
, collect any discharging pumped liquid.
7.
Remove the pump station.
9 Connection
9.1 Dangers during connection work
The following safety instructions must be observed:
o
Have all work on the pump station and pipe system only carried out by authorized qualified per-
sonnel.
o
Ensure that impurities cannot get into the pump station and pipe system.
o
Ensure that mechanical connections are mounted free of stress.
o
Observe the tightening torques.
o
Have all the work on the electrical equipment only carried out by electricians.
o
Before commissioning ensure correct earthing and equipotential bonding.
o
Before beginning work on the pump station ensure that the electrical power supply is deenergized
and is secured against being switched back on.
o
If the insulation of the electrical cables or wires is damaged, disconnect the power supply immedi-
ately.
9.2 Connecting the pump station to the pipe system
Personnel qualification:
o
Fitter
Personal protective equipment:
o
Work clothing
o
Protective gloves
o
Protective helmet
o
Safety boots
Aids:
o
Mobile crane, forklift, hoisting equipment
18
OID 06en-GB Edition 2019-11
Operating instructions