Everlast POWER MTS 221STi, Руководство оператора

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restart upslope before end current is reached.
Setting a long downslope helps improve heat
control in 4T as the torch switch is cycled be-
tween downslope and upslope before the arc is
terminated.
IMPORTANT: To use the foot pedal
mode select pedal mode and adjust TIG amps
to the maximum desired setting.
The pedal will
then control the amperage throughout the en-
tire range of amps up to the maximum selected
amperage, based off the pedal position.] The
foot pedal is for TIG use only. The 2T /4T modes
can be with TIG mode or MIG mode.
10. TIG Start Type Selector. The unit features the
capability to select from two start types when
welding in TIG mode. The default mode is High
Frequency Start (HF Start). This allows the arc
to be started while holding the tungsten just
above the metal, without having to make con-
tact. This results in smoother, contaminant free
arc starts. A HF pulse is generated which will
bridge the gap between the Tungsten and the
work piece. This establishes the arc. This is a
unique feature on the PowerMTS, but is an ex-
pected feature on any true TIG welder. The sec-
ond type of start is the Lift Start. This requires
the tungsten to be touched to the metal and
lifted up to start the arc. This is not as clean of a
start as HF and some tungsten and/or work
piece contamination may occur from time to
time. This is still a smoother start than a typical
scratch type start but not as smooth or easy as
an HF start. This is the same type start found on
many MIG/TIG/Stick welders. It is a less clean
start option, but does a good job when HF start
is not required or is restricted in HF sensitive
environments such as hospitals, near electronic
equipment.
11. Sequencer. The sequencer controls the arc cy-
cle and other related parameters to the selected
process
’ s function. These are controlled by the
selector buttons in #12. The sequencer controls
items such as pre flow, post flow, TIG/MIG
Upslope, TIG/MIG Down Slope, MIG Volts, MIG-
MIG Inductance, MIG Burn back, TIG Amps, TIG
Pulse Amps, TIG Pulse Frequency, TIG Pulse
Time On, AC Frequency and AC Balance.
12. Selector Buttons. The selector buttons are used
to highlight each function found in the sequenc-
er. Pressing the left button will move the high-
lighted LED to the next applicable function in the
sequencer chart. Pressing the right button will
move the highlighted LED to the next applicable
function in the sequencer chart. Depending
upon the process selected, some LED
’ s will be
skipped over as the button is pressed. Do not
let that confuse you as some features are not
related to the process or settings you have
chosen. As each function is selected, the value
may be represented in seconds, volts, amps,
percent or in Hertz. As the sequencer is cycled
left or right, the display to be read to deter-
mine the value of the highlighted sequencer
feature and the LED representing the unit of
measurement may change. If no adjustment is
made to the selected parameter, the unit will
default back to display the wire speed feed/
amps.
13. Adjustment Control. Any adjustable value,
including volts and amps is controlled through
this single knob. To adjust, highlight the de-
sired LED related to the function you wish to
adjust by using the Selector buttons (#12) for
MIG and TIG sequencer, or the Selector button
for related Stick functions (#10). Then turn
clockwise to increase the value of the feature,
or counter clockwise to decrease the value of
the feature. While turning, you will feel fine
“ clicks ” or stops in the movement of the knob.
This is normal and each click will increase or
decrease the value by the smallest unit of
measure the function is programmed to dis-
play. This may prove slow or tedious when
large amounts of change in value are required.
To adjust in greater increments (10x), push the
knob in slightly, until greater resistance is felt
and turn the knob at the same time. This will
expedite the adjustment process, when large
changes are required. Release the button and
it will automatically spring back and return to
adjusting in smaller increments.
14. AC Wave Form Control. This PowerMTS mod-
el features wave form control in AC mode. The
AC mode is a unique feature for this type of
multi
- process welder. It is designed to work in
conjunction with the TIG only. The wave form
selection allows the user to tailor the arc to the
look and feel that is desired. Each wave form
has distinct patterns which distinguish them
from one another. For the default wave form,
Advance Square Wave, the wave form produc-
es a strong, fast wetting arc and puddle. Along
with a very stable arc, It provides rapid welding
speeds and provides the most
“ heat ” in a weld.
The second wave form, the Triangular Wave, is
Setup Guide and Component Identification Section 2