OPERATION
HT4400 Instruction Manual 4-5
Power Supply
Rear Panel
UP Position (I)
In this position, AC is sent to the
control transformer, turning the power
supply control circuits on.
DOWN Position (O)
In this position, AC is cut off to the
power supply control circuits.
WARNING
The main contactor terminals remain energized in the DOWN position. If an EMI filter is installed,
it also remains energized in the DOWN position
Remote Current Control Console
AMPS Thumb-wheel
Adjusts the cutting arc current to 400 amps. Values
are chosen from the Cut Charts and depend on the
thickness and type of metal to cut.
CONTROL
POWER
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