Tweco 200 Ultra-Cut - Manual (Page 73)

Manual No. 0-5056 Ultra-Cut 200 4-7 OPERATION
4.04 First Time Operation Matching Gas Control to Lead Length
For initial operation of GCM2010 with software version 2.1 or later.
1. Before applying AC power set the Power Supply switch on the gas control module to
.
2. Set Gas Selection switch to the correct position for cutting process being used.
3. Turn on AC power and set Power Supply switch to . After a short delay to
establish communications, the gas control will start the Purge and priming sequence. (If torch and coolant
leads were not already full of coolant you may be required to repeat this power on cycle and add coolant
until the priming is complete).
4. Once the purge sequence is finished set the Mofe Switch between Run and Set Precharge. Display says
“SET HOSE LENGTH” on the first line and LENGTH xxx FEET on the second. The xxx is most likely the
factory default of 175’ which is the system maximum.
5. Press in and hold the Current Control knob. Display changes to SELECT HOSE LENGTH and second line
steps downwards from 175’ to 50’ in 25’ increments. As soon as the correct length is displayed, release the
knob.
6. Set the Mode Switch back to Run.
7. The initial/first time set up is complete and does not have to be done again unless the Gas Control or it’s
main PC Board is replaced.
4.05 Sequence Of Operation
For first time operation see previous steps, “First Time Operation...”
1. Set the Plasma Power Supply switch to .
Always shut off input power to the system before changing or inspecting torch parts.
a. Change the torch parts if necessary.
b. Set the Plasma Power Supply switch (on the Gas Control Module) to . The
Module performs purges of 15 seconds, 11 seconds, and another 11 seconds. This removes water from
the torch parts.
2. Select the desired plasma and shield gas by setting the Gas Selection switch to the desired position. 2
seconds after gas selection, the module purges the new gas(es) through the leads.
3. Set the preflow gas pressure.
a. Set the MODE switch to SET PREFLOW.
b. Use the PREFLOW control knob to set preflow gas pressure. Refer to the torch manual for pressure
settings.
c . Use the AMPERAGE SET-UP control knob to set the desired pre-charge pressure set point.
Press the control knob for 2 seconds without rotating. Then rotate the knob to adjust pressure.