6 Commissioning/Start-up/Shutdown
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UPAchrom
6.3 Shutdown
CAUTION
Work on the pump with the power cables connected
Risk of injury from unintentional start-up!
▷
Always make sure the electrical cables are disconnected before carrying out
work on the equipment.
CAUTION
Surge pressure caused by sudden stopping of the pump set
Damage to the machinery right through to the pump set falling down!
▷
Slowly
close the shut-off element on the discharge side.
CAUTION
Uncontrolled backflow of the fluid from the riser
Damage to the pump set!
▷
Prevent any
uncontrolled
backflow of the fluid handled with suitable means.
▷
Control
the fluid backflow, e.g. by throttling the gate valve in the discharge
line.
1.
Slowly close the shut-off element on the discharge side.
2.
Switch off the motor immediately after closing the shut-off element.
NOTE
To make sure that the pump is always ready for instant start-up, start up the pump
set approximately every 2 weeks for approx. 5 minutes during prolonged shutdown
periods.
