Lincoln Electric IM10117 COOL ARC 55 WATER COOLER - Manual (Page 13)

B-2 OPERATION B-2
The coolant FLOW INDICATOR is accessed by removal of
the fill cap. Actual return flow is directly visible, via the fill
opening.
When first starting the unit, check all of the coolant hoses to
insure that no water leaks are present. Water leakage caus-
es poor welding performance, poor cooling performance,
low welding component life and potential electrical safety
hazards.
• The cooler should be turned "OFF" when welding is not
taking place for long periods of time.
• Be certain that the cooler is "ON" (power switch in the " l "
position) before beginning to weld.
• Never operate the cooler with the reservoir fill cap
removed. Unless checking coolant flow.
• Avoid kinking or putting sharp bends in any water lines.
• Keep all water lines clean and free of any blockage.
• Do not operate cooler without coolant in reservoir. Never
run pump dry.
COOLING EFFICIENCY
The high cooling efficiency of the COOL ARC ® 55 offers a
cooler, more comfortable weld than conventional air-cooled
procedures as well as leading competitors water cooled sys-
tems.
The COOL ARC ® 55 effectively removes the heat of the arc
away from the gun or torch handle and places it into the
exiting air flow at the sides of the cooler. Ambient air tem-
perature affects the coolant temperature of the COOL ARC
®
55.
For example:
Unlike other water coolers that depend on a bulky reservoir
size, the high efficiency components of the COOL ARC
® 55
allows the reservoir size to be small. The result is a light-
weight, portable unit.
COOL ARC ® 55
COOL ARC 55
RESERVOIR
PUMP
HEAT
EXCHANGER
FAN
WELDING
GUN OR
TORCH
HEAT IN
HEAT
OUT
COOLANT IN COOLANT OUT
CO
OL
AN
T
CO
OL
ANT
ROOM AIR IN
HOT
AIR
OUT
HOT
AIR
OUT
PUMP
HEAT
EXCHANGER
FAN
RESERVOIR
FIGURE B.1
Coolant Circulation Diagram
FIGURE B.2