6 Commissioning/Start-up/Shutdown
38 of 92
ILN / ILNC / ILNR
5211.8/08-EN
6.1.6 Shutdown
CAUTION
Heat build-up inside the pump
Damage to the shaft seal!
▷
Depending on the type of installation, the pump set requires sufficient after-
run time – with the heat source switched off – until the fluid handled has
cooled down.
ü
The shut-off element in the suction line is and remains open.
1. Close the shut-off element in the discharge line.
2. Switch off the motor and make sure the pump set runs down smoothly to a
standstill.
NOTE
If the discharge line is equipped with a check valve, the shut-off element in the
discharge line may remain open, provided the site's requirements and regulations
are taken into account and observed.
For prolonged shutdown periods:
1. Close the shut-off element in the suction line.
2. Close the auxiliary connections.
CAUTION
Risk of freezing during prolonged pump shutdown periods
Damage to the pump!
▷
Drain the pump and the cooling/heating chambers (if any) or otherwise protect
them against freezing.
6.2 Operating limits
DANGER
Non-compliance with operating limits for pressure, temperature, fluid handled and
speed
Hot fluids escaping!
▷
Comply with the operating data indicated in the data sheet.
▷
Avoid prolonged operation against a closed shut-off element.
▷
Never operate the pump at product temperatures exceeding those specified in
the data sheet or on the name plate.
6.2.1 Ambient temperature
CAUTION
Operation outside the permissible ambient temperature
Damage to the pump (set)!
▷
Observe the specified limits for permissible ambient temperatures.
Observe the following parameters and values during operation:
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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