KSB Vitastage, Инструкция по установке и эксплуатации

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6 Commissioning/Start-up/Shutdown
23 of 44
Vitastage
6 Commissioning/Start-up/Shutdown
6.1 Commissioning/Start-up
6.1.1 Prerequisites for commissioning/start-up
▪ The pump set has been properly connected to the electric power supply and is
equipped with all protection devices.
▪
The pump has been primed with the fluid to be handled.
▪ The direction of rotation has been checked.
(
ð
Section 5.7, Page 22)
▪ After prolonged shutdown of the pump (set), the activities described in
(
ð
Section 6.4, Page 29)
have been carried out.
▪
The lockwashers, if any, have been removed from the shaft groove.
▪ The quality of the concrete foundation complies with the regulations.
▪
The pump set has been installed and aligned in accordance with the tolerances
specified.
▪
The pipelines have been connected without warping the pump nozzles.
6.1.2 Priming and venting the pump
CAUTION
Increased wear due to dry running
Damage to the pump set!
▷ Never operate the pump set without liquid fill.
▷
Never close the shut-off element in the suction line and/or supply line during
pump operation.
1.
Vent the pump and suction line and prime them with the fluid to be handled.
2.
Fully open the shut-off element in the suction line.
NOTE
For design-inherent reasons some unfilled volume in the hydraulic system cannot be
excluded after the pump has been primed for commissioning/start-up. However,
once the motor is started up the pumping effect will immediately fill this volume
with the fluid handled.
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.