Hypertherm HT200LHF-200 Volt HySpeed - Manual (Page 57)

OPERATION
4-4 HySpeed HT2000LHF
Instruction Manual
6
Timer/Counter
STARTS
LCD Counter (w/Reset)
Indicates the number of arc starts
ERRORS
LCD Counter (w/Reset)
Indicates the number of times that the arc cut
cycle ended before the programmed current
ramp-down time had elapsed. This reading
provides a direct correlation to the long-life
operation of the electrode; the higher the
reading, the shorter the electrode life.
Reset
ARC TIME
LCD Counter
Indicates the cumulative time
that the arc is on in hours.
Reset
Figure 4-6 Timer/Counter Front Panel Controls
System Checkout
The following procedure assumes the plasma system includes an IHS system, a Digital Remote (DR) Voltage &
Current Control Console, and the optional internal THC.
Set Switches and Check Torch
1. Ensure that the switches listed below are positioned as follows:
The main disconnect switch for the power supply is set to Off.
S2 toggle switch on the gas console is set to Run
.
2. Ensure that the proper consumables are installed in the torch. Refer to the
Cut Charts
to choose the correct
consumables for your cutting needs. See also
Changing Consumable Parts
at the end of this section.
3. Ensure that the torch is squared to the material. Refer to
Section 3
for the torch alignment procedure.
Turn Gases On
4. Set S1 toggle switch on the gas console to N
2
/Air or O
2
.
5. Turn the required supply gases On.
• When using oxygen, or nitrogen as the plasma gas, adjust supply regulator to read 120 psi +/- 10 psi
(8.3 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 the supply regulator for shield gas to read 90 psi +/- 10 psi (6.2 bar +/- 0.7 bar).