Fronius FK 5000, Operating Instructions Manual

Page: 51 / 60

51
EN
NOTE!
The maintenance work is described over the following pages.
Gas purging the
cooler
CAUTION!
Risk from gas purging the cooler.
This may result in damage to electronic components.
► Always follow the instructions in the "Safety" section at the start of the "Care, mainte -
nance and disposal" chapter.
► Do not bring the air nozzle too close to electronic components.
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.
Every 2 months - If present: check the coolant filter for dirt and clean it/re -
place the filter element if necessary
Every 6 months - Gas purge the cooler
Every 6 months
for 3-shift opera -
tion with ethanol-
based coolant
- Gas purge the cooler
- Change the coolant
Every 12 months
for single-shift op -
eration with etha -
nol-based coolant
- Change the ethanol-based coolant
Every 12 months
in 3-shift opera -
tion with FCL 10/
20 coolant
- Change the coolant
Every 24 months
in single-shift op -
eration with FCL
10/20 coolant
- Change the coolant