Connecting The Cooling System Hoses; Transport; Symbols Used - Lincoln Electric Cool Arc 22 Operator's Manual

COOL ARC ® 22
WARNING
After priming the pump and/or bleeding the cooling system,
be sure the reservoir's cap is tightened. Operating the
cooler without the cap tightened can cause poor cooling
efficiency, evaporation loss of coolant, and low product life.
• The welding set is ready to work.

CONNECTING THE COOLING SYSTEM HOSES

• Turn Power Source off.
• Connect the "inlet" hose of torch/gun (colored or tagged red
on most hoses) to the inlet quick connect coupling [Item 4
fig.2] located on the front panel of the cooler.
• Connect the "outlet" hose of torch/gun (colored or tagged
blue on most hoses) to the outlet quick connect coupling
[Item 5 fig.2] located on the front panel of the cooler.
FIGURE 6
Warning: The water-cooler hoses are connected into the quick
connect coupling type, which automatically close when hoses are
disconnected.
Before installing the hoses to the cooler, verify that the hose
connectors match the quick connect couplings located on the
front panel of the cooler.
WARNING
Avoid kinking or putting sharp bends in any lines.
Keep all lines clean and free of any blockage.
Keep the reservoir full especially after changing lines.
cool outlet
hot inlet

TRANSPORT

To avoid freeze damage and water leakage during transport, the
coolant must be removed from the cooler's reservoir.

SYMBOLS USED

Direct Current
Cooling Power
Power On
Flow Sensor ON
Flow Sensor OFF
Cooled Coolant Out
Warm Coolant In
B-4
OPERATION