Model 3710 Plasma Control Console
Operator’s
Manual
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Issued: 03/11
Page
38
4.3
3710 Console Controls
A.
Main Power ON/OFF Button
Press the green portion of the two-segment MAIN POWER ON/OFF
button to energize the console controls. Console will not energize unless
the air purge cycle is complete and cabinet purge air pressure is at least 0.2
inches water column. Press the red segment to de-energize the console
(see B - Auxiliary Power ON/OFF Button).
Pressing the AUX button allows the operator to maintain power to the
purge system and the powder feeders, while de-energizing the console.
This allows faster start-up (no waiting for the purge cycle to complete) and
maintains the powder feeder heater blanket temperature between operating
cycles.
C.
Water Blowout Button
Momentarily pressing the WATER BLOWOUT button injects compressed
air into the cooling water circuit at the heat exchanger to remove any in-
line water from the system before disassembling the gun. Button
illuminates when blowback process is started.
D.
Cooling Water Button
Pressing the COOLING WATER button starts the heat exchanger,
circulating cooling water through the gun circuit.
E. Primary
Gas
Button
Press PRIMARY GAS button to start primary gas flow. Button illuminates
when gas pressure reaches 30 psi. (207 kPa) Pressing PRIMARY GAS
button again stops primary gas flow.
F.
Power Source ON/OFF Button
The POWER SOURCE button controls the power supply’s open circuit
voltage. Pressing POWER SOURCE button closes the contactor that
supplies open circuit voltage. Button illuminates when open circuit voltage
is supplied to the output terminals. Pressing POWER SOURCE button
again opens the contactor that supplies open circuit voltage.
G.
Arc Start Button
Momentarily pressing ARC START button lights the arc. Button
illuminates when arc is started.
AUX