KSB Amarex User Manual

6 Commissioning/Start-up/Shutdown
37 of 82
Amarex
2573.820/02-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 enter the pump
casing.
▷ Never allow the fluid level to drop below the specified minimum (R3).
▷ For continuous duty (S1) operate the pump set in fully submerged condition.
For IE3 motors observe the minimum fluid levels R3 or R4
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)
(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.

KSB Amarex Specifications

General

Material	Cast iron, stainless steel
Operating mode	Continuous
Type	Submersible Pump
Application	Sewage
Explosion protection	Available with explosion protection
Frequency	50 Hz, 60 Hz
Impeller Type	Multi-vane