38
Symbols for care
and maintenance
of the cooling unit
(1) Check coolant level
(2) Change the coolant
(3) Gas purge the cooler
(4) Read operating instructions
The relevant maintenance intervals and
work are described in detail in the following
pages.
Maintenance in-
tervals, mainte-
nance work
(1)
(2)
(3)
(4)
Maintenance in-
terval
Maintenance work
At every start-up
NOTE!
If water-cooled system components are operated without
coolant, this will normally result in the failure of the system
components.
Fronius shall not be liable for any damage resulting from such
action. In addition, no warranty claims will be entertained.
- Ensure that all the hosepacks, the welding torch and the
ground earth connection are undamaged
- Check that there is an all-round clearance of 0.5 m (1 ft.
7.69 in.) around the device to ensure that cooling air can
flow in and out freely
- Check the screw connections between all system compo-
nents for tightness
- Check all the coolant connections of the welding system for
tightness
- Monitor the coolant return flow in the coolant container
- If no coolant is returning to the container, identify and
remedy the cause
Every week - Check coolant level. If the coolant level is below the "min"
mark, top up with coolant
- Check the purity of the coolant. Change the coolant if nec-
essary
NOTE!
Use only original Fronius coolant (Cooling Liquid FCL 10/
20 or torch coolant) when filling the cooling unit.
Other coolants are not recommended for electrical conductivity
and material compatibility reasons.
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