Gas Purging The Cooler - Fronius CU 1100i Operating Instructions Manual

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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Gas purging the
cooler
Risk from gas purging the cooler.
This may result in damage to electronic components.
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For the sake of clarity, the cooling unit is shown in the following figures without the power
source. However, the power source can remain on the cooling unit when gas purging the
cooler.
Gas purge the cooler
Change the coolant
Change the ethanol-based coolant
Change the coolant
Change the coolant
CAUTION!
Always follow the instructions in the "Safety" section at the start of the "Care, main-
tenance and disposal" chapter.
Do not bring the air nozzle too close to electronic components.
1
- Remove the device side panels and
clean the cooler
If a large amount of dust has accumulated:
- remove device side panels and clean
inside of device with dry, reduced
compressed air.
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