6 Commissioning/Start-up/Shutdown
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UPA / UPA S
3400.86/17-EN
6 Commissioning/Start-up/Shutdown
6.1 Commissioning/Start-up
6.1.1 Start-up
DANGER
Start-up with defective earth conductor
Personal injury from electric shock!
▷
Never switch on a pump set without an earth conductor or with a defective
earth conductor.
CAUTION
Starting the pump set against an empty pipe
Noise!
Vibrations of the pump set and the connected piping!
▷
During start-up make sure that any air contained can escape to the atmosphere.
CAUTION
Starting up the pump set outside the fluid.
Pump damage and motor damage!
▷
Only start up the pump set when its motor is filled and the pump set is fully
submerged or flooded!
CAUTION
Operation with closed shut-off element
Damage to motor and bearings!
▷
Never let the pump set run against a closed shut-off element for more than five
minutes.
CAUTION
Continuous operation against a throttled shut-off element
Damage to pump and motor!
▷
In continuous operation against a throttled shut-off element, the flow rate
must not fall short of Q
min
(see name plate).