NewArc Viper 2500S Operational Manual page 15

Instruction manual (16 pages)

Table of Contents

Note: To be able to initiate a welding arc Gas must be present. If a post gas sequence is not still in operation a pre gas stage will be initialised.

Basic operation of TIG2 mode (Slope up & slope down both set to minimum)

With the slope up control set to minimum the Viper will strike at the current set by the current control knob.

With the slope down control set to minimum the Viper will extinguish the arc immediately the torch button is released.

TIG4 mode

Torch button (pressed and held on) = Pre gas —> H.F. —>Arc initiated

TIG4 = Latch mode.

Torch button (released) = Arc extinguished.

NOTE! To be able to initiate a welding arc Gas must be present. If a post gas sequence is not still in operation

TIG2 slope up operation.

a pre gas stage will be initialised.

With the slope up control set to anything but minimum the Viper will strike at 30 Amp and then gradually increase the current up to the current setting set by th

current control knob, the time this takes is determined by the position of the slope up control knob.

Basic operation of TIG4 mode (Slope up & slope down both set to minimum)

The slope up procedure can be halted part way through by releasing the torch switch. This starts the slope down process or extinguishes the arc if the slope dow

In TIG4 mode when the torch switch is pressed and released the arc ignites. To extinguish the arc you must

knob is set to minimum.

press and release the torch switch a second time.

TIG2 slope down operation.

Torch button (pressed and held on) = Pre gas

With the slope down control set to anything but minimum and the torch switch is released the current will gradually decrease from the setting set by the current

control knob down to 5 Amp, were the arc will extinguish, the time this takes is determined by the position of the slope down control knob.

Torch button (released) = H.F. —> Arc initiated

Torch button (pressed and released 2nd time) = Arc extinguished.

The slope down procedure can be halted part way through by pressing the torch switch. This starts the slope up process or if the slope up knob is set to minimu

the current instantly rises to the set level set by the current control knob.

TIG4 slope up operation

TIG4 = Latch mode.

Torch button (pressed and held on) = Pre gas

Note: To be able to initiate a welding arc Gas must be present. If a post gas sequence is not still in operation a pre gas stage will be initialised.

Torch button (released) = H.F.—> Arc initiated

If the slope up control is set to anything but minimum the Viper will initiate an arc at 30 Amp and then

Basic operation of TIG4 mode (Slope up & slope down both set to minimum)

In TIG4 mode when the torch switch is pressed and released the arc ignites. To extinguish the arc you must press and release the torch switch a second time.

gradually increase the current up to the current setting set by the current control knob, the time this takes is

determined by the position of the slope up control knob. The slope up procedure can be halted part way by

Torch button (pressed and held on) = Pre gas

Torch button (released) = H.F. —> Arc initiated

pressing and then releasing the torch switch. This starts the slope down process or extinguishes the arc if the

Torch button (pressed and released 2

slope down knob is set to minimum.

TIG4 slope up operation.

Torch button (pressed and held on) = Pre gas

TIG4 slope down operation.

Torch button (released) = H.F.—> Arc initiated

If the slope up control is set to anything but minimum the Viper will initiate an arc at 30 Amp and then gradually increase the current up to the current setting s

If the slope down control is set to anything but minimum and the torch switch is pressed and released the

by the current control knob, the time this takes is determined by the position of the slope up control knob.

current will gradually decrease from the setting on the current control knob down to 5 Amp, were the arc will

The slope up procedure can be halted part way by pressing and then releasing the torch switch. This starts the slope down process or extinguishes the arc if the

extinguish, the time this takes is determined by the position of the slope down control knob. The slope down

slope down knob is set to minimum.

procedure can be halted or paused part way through by pressing the torch switch. If you press and hold the

TIG4 slope down operation.

torch switch down, the slope down procedure can be paused at the displayed current level. Releasing the

If the slope down control is set to anything but minimum and the torch switch is pressed and released the current will gradually decrease from the setting on the

torch switch button then starts the slope up process or if the slope up knob is set to minimum

current control knob down to 5 Amp, were the arc will extinguish, the time this takes is determined by the position of the slope down control knob.

the current instantly rises to the set level set by the current control knob.

The slope down procedure can be halted or paused part way through by pressing the torch switch. If you press and hold the torch switch down, the slope down

Torch button pressed and held on = stop the slope down operation at the present current displayed level and

procedure can be paused at the displayed current level. Releasing the torch switch button then starts the slope up process or if the slope up knob is set to minim

pause at this level until the button is released.

the current instantly rises to the set level set by the current control knob.

Torch button released = start the slope up process.

Torch button pressed and held on = stop the slope down operation at the present current displayed level and pause at this level until the button is released.

Torch button released = start the slope up process.

Current knob set current level

Torch button

pressed and

released to start

the slope down

process

This line shows

the normal slope

down level down

to zero.

time) = Arc extinguished.