Wilo CronoLine-IL-E Notice De Montage Et De Mise En Service page 141

12 Decommissioning
12.1 Switching off the pump and tem-
porary shutdown
12.2 Shutdown and storage
13 Maintenance/repair
Installation and operating instructions • Wilo-CronoLine-IL-E, Wilo-CronoTwin-DL-E, Wilo-CronoBloc-BL-E • Ed.01/2024-02
CAUTION
Risk of property damage due to overheating!
Hot fluids can damage the pump seals when the pump is at a standstill.
After deactivating the heat source:
• Allow the pump to run until the fluid temperature has dropped to an
appropriate level.
CAUTION
Risk of property damage due to frost!
If there is a danger of frost:
• Drain the pump completely to avoid damage.
• Close the shut-off device in the pressure pipe. If a non-return valve is installed in the
pressure pipe, and there is counter pressure, the shut-off device can remain open.
• Do not close the shut-off device in the suction line.
• Switch off the pump and allow it to drain completely. Ensure the coasting is smooth.
• If there is no danger of frost, make sure the fluid level is sufficient.
• Operate the pump every month for 5 minutes. Doing this prevents deposits from occur-
ring in the pump compartment.
WARNING
Risk of injury and damage to property!
• Dispose off the pump contents and rinsing fluid by taking the legal
regulations into account.
• Always wear protective clothing, safety gloves and safety glasses
when working.
• Clean the pump thoroughly prior to storage!
• Drain the pump completely and rinse thoroughly.
• The remaining fluid and rinsing fluid should be drained, collected and disposed off via
the drain plug. Observe local regulations along with the notes under "Disposal"!
• Seal suction and discharge connection with caps.
• After removal, store the pump in a dry, dust-free location.
• Maintenance work: The technician must be familiar with the use of operating fluids and
their disposal.
• Electrical work: a qualified electrician must carry out the electrical work.
• Installation/dismantling: The technician must be trained in the use of the necessary
tools and fixation materials.
It is recommended to have the pump serviced and checked by the Wilo customer service.
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