KSB Vitachrom, Installation & Operating Manual

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6 Commissioning/Start-up/Shutdown
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Vitachrom
6 Commissioning/Start-up/Shutdown
6.1 Commissioning/Start-up
6.1.1 Prerequisites for commissioning/start-up
Before commissioning/starting up the pump set, make sure that the following
conditions are met:
▪ The pump set has been properly connected to the power supply and is equipped
with all protection devices. (
ð Section 5.5, Page 27)
▪ The pump has been primed with the fluid to be handled. The pump has been
vented. (
ð Section 6.1.2, Page 30)
▪ The direction of rotation has been checked.
▪ All auxiliary connections required are connected and operational.
▪
The lubricants have been checked.
▪ After prolonged shutdown of the pump (set), the activities required for returning
the equipment to service have been carried out. (
ð Section 6.4, Page 37)
▪ The lock washers, if any, have been removed from the shaft groove.
6.1.2 Priming and venting the pump
DANGER
Risk of potentially explosive atmosphere by mixing of incompatible fluids in the
auxiliary piping
Risk of burns!
Explosion hazard!
▷
Make sure that the barrier fluid or quench liquid are compatible with the fluid
handled.
DANGER
Risk of potentially explosive atmosphere inside the pump
Explosion hazard!
▷
The pump internals in contact with the fluid to be handled, including the seal
chamber and auxiliary systems must be filled with the fluid to be handled at all
times.
▷ Provide sufficient inlet pressure.
▷ Provide an appropriate monitoring system.
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 both with the fluid to be handled.
2. Fully open the shut-off element in the suction line.
3. Fully open all auxiliary feed lines (barrier fluid, flushing liquid, etc.), if any.