KSB Magnochem-Bloc, Installation & Operating Manual

Page: 36 / 96

6 Commissioning/Start-up/Shutdown
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Magnochem-Bloc
6.1.6 Start-up
DANGER
Non-compliance with the permissible pressure limits and temperature limits if the
pump is operated with the suction line and 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 against a slightly open discharge-side shut-off
element.
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.
▷ Always operate the pump within the permissible operating range.
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.
CAUTION
Incorrect soft starter settings
Magnetic coupling dropping out of synchronisation during start-up!
Duty point not met!
▷ Monitor start-up when commissioning the pump set.
▷ If the magnetic coupling drops out of synchronisation, stop the pump set
immediately and extend the run-up time of the soft starter.
NOTE
If the inner and the outer rotor of soft-started pump sets drop out of
synchronisation, immediately switch off the pump set and repeat the start-up
process applying an extended run-up time.