Switching Frequency; Shutdown; Switching Off The Pump And Temporary Shutdown; Shutdown And Storage - Wilo -Atmos GIGA-N Einbau- Und Betriebsanleitung

en
7.5

Switching frequency

8

Shutdown

8.1 Switching off the pump and tem-
porary shutdown
8.2

Shutdown and storage

66
Shutdown
CAUTION
Risk of property damage!
The pump or motors may be damaged by incorrect switching.
• Only switch on the pump again when the motor is at a complete standstill.
A maximum of 6 connections per hour are permitted in accordance with IEC 60034-1. It
is recommended that repeated activations occur at regular intervals.
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 motor.
▪ 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, protective gloves and protective goggles 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"!
▪ Spray the interior of the pump with a preservative through the suction and discharge
ports.
▪ Close the suction and discharge ports with caps.
▪ Grease or oil the blank components. For this, use silicone-free grease or oil. Observe the
manufacturer's instructions for preservatives.
WILO SE 2019-04