Operation
6.2
Commissioning
6.2.1
Switching on
Pump set up and connected properly
Motor set up and connected properly
Align motor precisely to the pump
All connections stress-free and sealed
All safety equipment installed and tested for functionality
Pump prepared,
fi
lled and vented correctly
Auxiliary systems switched on if present.
DANGER
Risk of injury from running pump!
Do not touch the running pump.
Ensure that the coupling guard is attached.
Do not carry out any work on the running pump.
Allow the pump to cool down completely before starting any
work.
DANGER
Risk of injury and poisoning due to pumped liquid spray-
ing out!
Use personal protective equipment when carrying out any
work on the pump.
NOTE
Risk of cavitation if suction flow is restricted!
Open the suction-side
fi
tting and do not use to regulate the
fl
ow.
Do not open the pressure-side
fi
tting beyond the operating
point.
NOTE
Material damage due to overheating.
Do not operate the pump for long periods with the pressure-
side
fi
tting closed.
Observe minimum
fl
ow (
→
documents for the particular
order).
NOTE
Material damage as a result of dry running
Make sure the pump is
fi
lled properly.
1. Turn on auxiliary systems (if present).
2. Open the suction-side
fi
tting.
3. Close pressure-side
fi
tting
4. Switch on the motor and check it for smooth running.
5. Once the motor has reached its nominal speed, open
the pressure-side
fi
tting slowly until the operating point is
reached.
6. Make sure temperature change is smaller than 5 K/min for
pumps with hot
fl
uids.
7. After the initial stress due to the pressure and operating
temperature, check that the pump is not leaking.
6.2.2
Switching off
Pressure-side
fi
tting closed (recommended)
WARNING
Risk of injury due to hot pump parts!
Use personal protective equipment when carrying out any
work on the pump.
1. Switch off motor.
2. Check all connecting bolts and tighten if necessary (only
after initial commissioning).
6.3
Shutting down the pump
DANGER
Risk of injury from running pump!
Do not touch the running pump.
Do not carry out any work on the running pump.
Before all installation and maintenance work, discon-
nect the motor from the mains and secure against being
switched back on again.
DANGER
Risk of electrocution!
All electrical work must be carried out by quali
fi
ed electri-
cians only.
Before all work on the electrical system, disconnect the
motor from the mains and secure against being switched
back on again.
WARNING
Risk of injury and poisoning due to hazardous fluid!
Use protective equipment for any work on the pump.
Collect leaking liquid safely and dispose of
fi
tting in accor-
dance with local regulations.
20
SHB
BA-2015.12.16 EN
300 486
