KSB KWP-Bloc - Start-Up

6 Commissioning/Start-up/Shutdown
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KWP-Bloc
6.1.5 Start-up
DANGER
Non-compliance with the permissible pressure and temperature limits if the pump
is operated with the suction and/or discharge line closed.
Explosion hazard!
Hot or toxic fluids escaping!
▷ Never operate the pump with the shut-off elements in the suction line and/or
discharge line closed.
▷ Only start up the pump set with the discharge-side shut-off element slightly or
fully open.
DANGER
Excessive temperatures due to dry running or excessive gas content in the fluid
handled
Explosion hazard!
Damage to the pump set!
▷ Never operate the pump set without liquid fill.
▷ Prime the pump as per operating instructions. (ðSection6.1.4,Page30)
▷ Always operate the pump within the permissible operating range.
WARNING
Unprotected rotating shaft
Risk of injury by rotating shaft!
▷ Always operate the pump set with a shaft guard in accordance with the
accident prevention regulations.
CAUTION
Abnormal noises, vibrations, temperatures or leakage
Damage to the pump!
▷ Switch off the pump (set) immediately.
▷ Eliminate the causes before returning the pump set to service.
ü The system piping has been cleaned.
ü Pump, suction line and inlet tank, if any, have been vented and primed with the
fluid to be pumped.
ü The lines for priming and venting have been closed.
CAUTION
Start-up against open discharge line
Motor overload!
▷ Make sure the motor has sufficient power reserves.
▷ Use a soft starter.
▷ Use speed control.
1. Fully open the shut-off element in the suction head/suction lift line.
2. Close or slightly open the shut-off element in the discharge line.