6-10 HySpeed HT2000 Instruction Manual
OPERATION
24
• When using oxygen, nitrogen, or argon-hydrogen as the plasma gas,
adjust supply regulator to read 120 psi +/- 10 psi (8.2 bar +/- 0.7 bar).
When using air as the plasma gas, adjust supply regulator to read 90 psi
+/- 10 psi (6.2 bar +/- 0.7 bar).
• Adjust supply regulator for shield gas to read 90 psi +/- 10 psi (6.2 bar
+/- 0.7 bar).
Turn Power Supply On and Adjust Voltage/Current
7. Turn main disconnect switch ON. See Status Indicators Before Startup
earlier in this section.
8. Turn on the power supply by depressing the POWER ON (1) button
(PB1) on the HT2000 power supply. Ensure that the green POWER ON
indicator illuminates. Hold PB1 down until all of the status indicators
extinguish. If the POWER ON light fails to come on, see Section 4:
Installation for proper setup.
9. Set the VOLTAGE and CURRENT on the DR V/C module. Select the
arc current and arc voltage from the Cut Charts in this section for the
type and thickness of metal to be test cut.
Adjust Preflow Gases
10. Set S2 on the gas console to Test Preflow. Verify that the plasma gas
pressure gauges (PG1, PG2) on the gas console both read 120 psi
(8.2 bar).
11. Look at the oxygen (FM2) and/or nitrogen-air (FM1) flowmeters on the
gas console and set the Preflow plasma gas flow rate % by referring to
the Cut Charts and turning the oxygen (MV3) and/or nitrogen- air (MV2)
preflow flowmeter adjust knobs.
12. Look at the shield gas pressure gauge (PG3) on the gas console, and
set to the Cut Chart specifications by turning the shield gas adjust knob
(MV4).
Note: If you have changed consumable parts or if the power
supply has been off for more than one hour, purge gas
lines by leaving system in Test Preflow for one minute.
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