10 Operation
10.2 Commissioning
WARNING
Risk of injury through emitted pumped liquid.
Pumped liquids can be hot, poisonous, combustible and caustic.
► Wear personal protective clothing during all the work. Ensure face protection.
► Collect any discharging pumped liquid safely and dispose of it in an environmentally compatible
manner in accordance with the applicable local regulations.
2
1
3
Requirement:
ü
Shut-off devices of the suction line and pressure line closed
ü
Lever of the reversing valve to middle position
1.
Open the screw plug of the vent hole
3
by a max. of two rotations so that air can escape during
the filling process.
2.
Remove the cap nuts
1
and remove the strainer cover
2
.
3.
Fill the pump through the strainer chamber up to the upper edge, in the process turn the fan im-
peller of the motor.
4.
Place on the strainer cover and cap nuts.
5.
Tighten the screw plug of the vent hole with torque,
6.
Repeat the filling procedure for the second pump.
10.2.3
Checking the direction of rotation
The direction of rotation of the pumps is indicated by an arrow on the pump. The direction of rotation of
the motor specifies the direction of rotation of the pump. The fan impeller of the motor must rotate in
the same direction in which the arrow for the direction of rotation on the pump points.
Notice
Standard direction of rotation: clockwise (viewed from the motor)
Personnel qualification:
o
Fitter
1.
Switch on the power supply and then turn it off again immediately.
1
2.
Compare the direction of rotation of the fan impeller with the arrow indicating the direction of rota-
tion
1
.
3.
If the directions do not match, swap the two electrical connection phases. Repeat Steps 1 and 2.
4.
Repeat Steps 1 to 3 for the second pump.
Operating instructions
OID 06en-GB Edition 2019-11
21
