Cleaning The Coolant Return Filter On The Outside Of The Unit - Fronius CU 800i Operating Instructions Manual

Every 2 months
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Every 6 months
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Every 6 months in 3-shift operation with ethanol-based coolant
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Every 12 months in single-shift operation with ethanol-based coolant
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Every 12 months in 3-shift operation with FCL 10/20 coolant
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Every 24 months in single-shift operation with FCL 10/20 coolant
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Cleaning the
coolant return fil-
ter on the outside
Danger from welding current and accidental ignition of an arc.
of the unit
This can result in serious injury and damage to property.
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If present: clean the coolant return filter on the outside of the unit and replace the
filter element if necessary
Gas purge the cooler
Gas purge the cooler
Change the coolant
Change the ethanol-based coolant
Change the coolant
CU1200i Pro /MC only: clean the coolant pre-filter in the interior of the unit and re-
place the filter insert if necessary
Change the coolant
WARNING!
Disconnect the ground earth connection between the welding system and the work-
piece.
Remove the wire electrode from the welding torch being used.
Depending on the system, remove the wirespool or the basket-type spool from the
power source or the wirefeeder.
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