EWM cool35 U31 - Adding Coolant; Cooling Unit Function Specification

Design and function
Cooling unit function specification
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099-008091-EW501
11.11.2011
5.5.3 Adding coolant
NOTE
After the initial filling, wait for at least one minute when the machine is switched on so
that the tube package is filled with coolant completely and without bubbles.
With frequent changes of torch and during the initial filling process, the cooling unit
tank should be topped up as necessary.
The unit is supplied ex works with a minimum level of coolant.
Figure 5-5
Item Symbol Description 0
1
Coolant tank cap
2
Coolant filter sieve
3
Coolant tank
4
"Min" mark
Minimum coolant level
• Unscrew and remove the coolant tank sealing cover.
• Check filter sieve insert for dirt, clean if necessary and reinsert into position.
• Top up coolant to the filter sieve insert, close sealing cover again.
NOTE
The level of coolant must never fall below the “min” mark.
5.6 Cooling unit function specification
The cooling modules (pump and fan) are controlled by the welding machine only.
The welding machine automatically detects and displays a lack of coolant
(see the welding machine operating instructions).