6 Commissioning/Start-up/Shutdown
35 of 92
ILN / ILNC / ILNR
5211.8/08-EN
Version with ejector (
Version without priming system:
Normal operation
▪
Disconnect the power supply of the motor.
▪
Close the shut-off elements in the suction line and discharge line.
▪
Remove the plug from the vent connection at the pump casing or the vent
connection of the discharge line upstream of the check valve.
▪
Slightly open the shut-off element in the suction line until the fluid handled
escapes through the vent connection.
▪
Close the vent connection.
▪
Fully open the shut-off element in the suction line.
▪
Check the direction of rotation of the pump.
▪
Fully open the shut-off element in the discharge line.
Suction lift operation
▪
Disconnect the power supply of the motor.
▪
Remove the plug from the vent connection at the pump casing or the vent
connection of the discharge line upstream of the check valve.
▪
Close the shut-off element in the discharge line.
▪
Fill in the fluid handled through the vent connection until it overflows.
▪
Close the vent connection.
▪
Check the direction of rotation of the pump.
▪
Fully open the shut-off element in the discharge line.
6.1.4.1 Priming the pump and venting it with an auxiliary pump
CAUTION
Pump not vented
Pump malfunction!
Damage to the mechanical seal!
▷
Do not close or cover the discharge nozzle of the auxiliary pump.
▷
Observe the maximum installation height.
CAUTION
Auxiliary pump running too long
Motor overheated!
▷
Section 4.6.1, Page 22) to a maximum of 5 seconds or to the
star-delta start-up time.
▷
The total runtime of the auxiliary pump must not exceed 15 seconds.
NOTE
Electric control devices for the auxiliary pump are not included in the scope of
supply unless explicitly agreed.
Summary of Contents for ILN
Page 1: ...In line Pump ILN ILNC ILNR Operating Manual ...
Page 89: ...Index 89 of 92 ILN ILNC ILNR 5211 8 08 EN W Warnings 8 Warranty claims 7 ...
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