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Terminal strip TS2 located behind the hinged control
panel on the front of the power source supplies
110-115V AC. A 10 amp circuit breaker protects this
circuit. Note that this 110-115V AC is also available in
the 14-pin connector on the Domestic and Export
models.
To gain access to the terminal strips simply remote
the six #10 sheet metal screws from the perimeter of
the welder nameplate as shown below. Tilt panel for-
ward so it rests in a horizontal position. See Table
showing Front View of 14-Pin Connector Receptacle
for lead number functions.
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A Continental European receptacle is located on the
rear panel for supplying 230V AC to a water cooler. A
3.5 amps, (2 amps below code 11277) circuit breaker
which is also located on the rear panel protects this
circuit from excessive overloads or short circuits.
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The power source is thermostatically protected with
proximity thermostats against overload or insufficient
cooling. One thermostat is located on the nose of the
center bottom primary coil and a second thermostat is
attached to the lead connection the secondaries.
Both thermostats are connected in series with 2-4 cir-
cuit. If the machine is overloaded, the primary ther-
mostat will open, the output will be zero, and the
amber thermal protection light will be on.
The fan will continue to run. The secondary thermo-
stat will open either with an excessive overload or
insufficient cooling. The output will be zero and the
amber protection light will be off.
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