Symbols For Care And Maintenance Of The Cooling Unit; Maintenance Intervals, Maintenance Work - Fronius CU 1100i Operating Instructions Manual

Symbols for care
and maintenance
of the cooling
unit
Maintenance
At every start-up
intervals, main-
tenance work
Risk due to start-up without coolant.
This can result in serious damage to property.
▶
-
-
-
-
-
Once a week
-
-
Risk from non-permitted coolant.
This can result in serious damage to property.
▶
▶
Every 2 months
-
Every 6 months
-
56
(1) (2)
(3)
CAUTION!
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.) to ensure that cool-
ing air can flow in and out freely
Check the screw connections between all system components 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
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 necessary
CAUTION!
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 compat-
ibility reasons.
If present: Check the coolant filter for dirt and clean if necessary
Gas purge the cooler
(1) Changing the coolant
(2) Gas purging the cooler
(3) Read operating instructions
The relevant maintenance intervals and
maintenance work are described in detail
over the following pages.