Stealth 9012H, Operator'S Manual

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STEALTH DIGI-TIG 320 AC/DC PULSE
3.6 Assembling the Equipment (TIG)
• The workpiece is connected to the positive electrode of the welding machine,
and the welding torch is connected to the negative electrode – DC POSITIVE
CONNECTION, otherwise – DC NEGATIVE CONNECTION. Generally, it is operated
in DC POSITIVE CONNECTION in TIG welding mode.
• Control of the torch switch cable consists of 2 wires, pedal control of 3 wires and
the aero socket of 12 leads.
• Consumable parts for TIG torch, such as tungsten electrode / tip / gas nozzle /
electrode shield (short/long) – contact your supplier quoting the part numbers.
• When the DIGI-TIG 320 AC/DC PULSE welding machine is operated in HF Ignition
mode, the ignition spark can cause interferences in equipment near the welding
machine. Be sure to take appropriate safety precautions or shielding measures.
INSTALLATION AND ADJUSTMENT
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§3.4 Power supply input connection
TIG 320 400 AC/DC welding machines’ power supply connects to 380V.
When the power supply voltage is over the safe work voltage, there are over voltage and
under voltage protection inside the welder, the alarm light will on, at the same time, the current
output will be cut off.
If the power supply voltage continually goes beyond the safe work voltage range, it will
shorten the welder life-span. The below measures can be used:
l
Change the power supply input net. Such as, connect the welder with the stable power supply
voltage of distributor;
l
Induce the machines using power supply in the same time;
l
Set the voltage stabilization device in the front of power cable input.
§3.5 Polarity Connection
（
MMA
）
MMA (DC): Choosing the connection of DCEN or DCEP according to the different electrodes.
Please refer to the electrode manual.
MMA (AC): No requirements for polarity connection.
DC NEGATIVE CONNECTION DC POSITIVE CONNECTION
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INSTALLATION AND ADJUSTMENT
13
§3.6 Assembling the equipment (TIG)
l
Workpiece is connected to the positive electrode of welding machine, and welding torch is
connected to the negative electrode, which is called DC POSITIVE CONNECTION;
otherwise, that is called DC NEGATIVE CONNECTION. Generally, it is usually operated in
DC POSITIVE CONNECTION in TIG welding mode.
l
The control cable of torch switch consists of 2 wires, pedal control of 3 wires and the aero
socket has 14 leads.
l
Consumable parts for TIG torch, such as tungsten electrode
、
tip
、
gas nozzle
、
electrode
shield(short/long) , please enquire us by mail or phone according to the accessory codes.
l
When TIG 320 400 AC/DC welding machines are operated in HF ignition method, the
ignition spark can cause interferences in equipment near the welding machine. Be sure to
take specially safety precautions or shielding measures.
DC POSITIVE CONNECTION