KSB Amarex N series, Installation And Operating Manual

Page: 37 / 84

6 Commissioning/Start-up/Shutdown
37 of 84
Amarex N
2563.84/08-EN
6 Commissioning/Start-up/Shutdown
6.1 Commissioning/Start-up
6.1.1 Prerequisites for commissioning/start-up
DANGER
Fluid level too low
Explosion hazard!
Damage to the pump set!
▷ Completely prime the pump set with the fluid to be handled to reliably prevent
the formation of a potentially explosive atmosphere.
▷ Always operate the pump set in such a way that air cannot ingress into the
pump casing.
▷ Never allow the fluid level to drop below the specified minimum (R3).
(
ð Section 6.2.4.2, Page 39)
▷ For continuous operation (S1) operate the pump in fully submerged condition.
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.
▪ The pump has been primed with the fluid to be handled. The pump has been
vented.
▪ The direction of rotation has been checked.
▪ 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 41)
6.1.2 Start-up
DANGER
Persons in the tank during pump operation
Electric shock!
Risk of injury!
Danger of death from drowning!
▷ Never start up the pump set when there are persons in the tank.
CAUTION
Re-starting while motor is still running down
Damage to the pump set!
▷ Do not re-start the pump set before it has come to a standstill.
▷
Never start up the pump set while the pump is running in reverse.
ü The fluid level is sufficiently high.