6 Commissioning/Start-up/Shutdown
33 of 68
Calio
1157.821/04-EN
6.1.3 Start-up
DANGER
Non-compliance with the permissible pressure and temperature limits if the pump
is operated with the suction and discharge lines closed.
Hot 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 or completely open discharge-side
shut-off element.
DANGER
Excessive temperatures due to insufficient lubrication of the plain bearings
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.
WARNING
Hot surfaces (Pump and piping take on the temperature of the fluid handled.)
Risk of burns!
▷ Do not touch hot surfaces.
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 fitted) have been vented and primed with
the fluid to be handled.
ü The priming lines and venting lines have been closed.
1. Fully open the shut-off element in the suction head line/suction lift line.
2. Close or slightly open the shut-off element in the discharge line.
3. Start up the motor.
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