DO NOT operate a water-cooled torch unless water is
flowing. Water doesn’t flow until the solenoid is actu-
ated.
If using a water-cooled torch with a Magnum water
cooler, connect the cooler water outlet to the “Water
Valve In” fitting. Connect the TIG torch inlet to the
“Water Valve Out” fitting.
If using a water-cooled torch with a free-running water
supply, install a water line between the welder “Water
Inlet” and the supply. Include a strainer in the water
supply line to prevent dirt particles from obstructing
water flow in the valve and cooling chamber of the TIG
torch. Failure to do so could result in water valve mal-
function and overheating of the water-cooled torch.
Connect the torch water line to the welder “Water Out”
fitting. Use a nonmetallic drain line from the electrode
connection to the drain or water recirculating pump.
For other water coolers or torches, consult the manu-
facturer’s instructions for the water cooler or TIG torch
being used.
STICK ELECTRODE CABLE
CONNECTION
Turn the Power switch Off. Run the electrode and
work cables through the strain relief holes below the
welding output terminals and connect the cables to
the proper terminals. This strain relief prevents dam-
age to the welding output terminals if the cables are
pulled excessively. Select cable size according to
Table A.3
Do not connect a TIG torch and stick electrode cable
at the same time. They will both be electrically HOT
whenever the output terminals are energized.
INSTALLATION
A-8
A-8
SQUARE WAVE TIG 355
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WARNING
