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, ensure that the following conditions
are met:
▪
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 pumped.
▪
The direction of rotation has been checked.
▪
The lubricant has been checked.
▪
If the pump (set) has been shut down for a prolonged period of time, the
measures described in (
Section 6.4 Page 35) have been carried out.
6.1.2 Commissioning/start-up
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.
✓
The fluid level is sufficiently high.
CAUTION
Pump start-up against a closed shut-off element
Increased vibrations!
Damage to mechanical seals and bearings!
▷
Never operate the pump set against a closed shut-off element.
1. Fully open the discharge line shut-off element, if any.
2. Start up the pump set.
6.2
Operating limits
DANGER
Non-compliance with operating limits
Damage to the pump set!
▷
Comply with the operating data indicated in the data sheet.
▷
Avoid operation against a closed shut-off element.
▷
Never operate an explosion-proof pump set at ambient and fluid temperatures
exceeding those specified in the data sheet or on the name plate.
▷
Never operate the pump set outside the limits specified below.
6.2.1 Temperature of the fluid handled
The pump set is designed for transporting liquids. The pump set is not operational
under freezing conditions.
6 Commissioning/Start-up/Shutdown
32 of 74
Amarex KRT
Goodnal STP ST041 Sewage Delivery (Amarex KRT Submersible Motor Pump) Vendor Manual
Q-Pulse Id VM362
Active 29/10/2013
Page 34 of 96