Installation And Operator Instructions; General Description; Location And Environment - Lincoln Electric Saf-Fro PRESTOTIG 315 AC/DC Manuel D'utilisation

EQUIPMENT WEIGHT OVER 30kg: Move this equipment with care and with the help of another
person. Lifting ay be dangerous for your physical health.
CYLINDER MAY EXPLODE IF DAMAGED: Use only compressed gas cylinders containing the
correct shielding gas for the process used and properly operating regulators designed for the gas and
pressure used. Always keep cylinders in an upright position securely chained to a fixed support. Do
not move or transport gas cylinders with the protection cap removed. Do not allow the electrode,
electrode holder, work clamp or any other electrically live part to touch a gas cylinder. Gas cylinders
must be located away from areas where they may be subjected to physical damage or the welding
process including sparks and heat sources.
CAUTION: The high frequency used for contact-free ignition with TIG (GTAW) welding, can interfere
HF
with the operation of insufficiently shielded computer equipment, EDP centers and industrial robots,
even causing complete system breakdown. TIG (GTAW) welding may interfere with electronic
telephone networks and with radio and TV reception.
NOISE APPEARES DURING WELDING CAN BE HARMFUL: Welding arc can cause noise with high
level of 85dB for 8-hour week day. Welders operating welding machines are obligated to wear the
proper ear protectors. Employers are obligated to carry examinations and measurements of health
harmful factors.
The manufacturer reserves the right to make changes and/or improvements in design without upgrade at the same time
the operator's manual.

Installation and Operator Instructions

General description

PRESTOTIG 315 AC/DC machine is designated to
performe SMAW and GTAW welding process in DC and
AC current.
Unit is designed mainly to satisfy GTAW requestes in
both DC and AC mode: thanks an advance menu
options both beginners and experts welder can adjust
welding parameters to
performances.
Following paragraphs will show how to access to the
menu and the parameters tha can be set.
Read this entire section before installation or operation
of the machine.

Location and Environment

This machine will operate in harsh environments.
However, it is important that simple preventative
measures are followed to assure long life and reliable
operation.

Do not place or operate this machine on a surface
with an incline greater than 15° from horizontal.

Do not use this machine for pipe thawing.

This machine must be located where there is free
circulation of clean air without restrictions for air
movement to and from the air vents. Do not cover
the machine with paper, cloth or rags when switched
on.

Dirt and dust that can be drawn into the machine
should be kept to a minimum.

This machine has a protection rating of IP23. Keep it
dry when possible and do not place it on wet ground
or in puddles.

Locate the machine away from radio controlled
machinery. Normal operation may adversely affect
the operation of nearby radio controlled machinery,
which may result in injury or equipment damage.
Read the section on electromagnetic compatibility in
this manual.

Do not operate in areas with an ambient temperature
greater than 40°C.
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have the best welding
Input Supply Connection
Check the input voltage, phase, and frequency supplied
to this machine before turning it on. The allowable input
voltage is indicated in the technical specification section
of this manual and on the rating plate of the machine.
Be sure that the machine is grounded.
Make sure the amount of power available from the input
connection is adequate for normal operation of the
machine. The fuse rating and cable sizes are both
indicated in the "Technical Specification" section of this
manual.
The machines are designed to operate on engine driven
generators as long as the auxiliary can supply adequate
voltage, frequency and power as indicated in the
"Technical Specification" section of this manual. The
auxiliary supply of the generator must also meet the
following conditions:
400Vac 3 phases:

Vac peak voltage: below 670V

Vac frequency: in the range of 50 and 60Hz

RMS voltage of the AC waveform: 400Vac ± 15%
230Vac 3 phases:

Vac peak voltage: below 410V

Vac frequency: in the range of 50 and 60Hz

RMS voltage of the AC waveform: 230Vac ± 15%
It is important to check these conditions because many
engine driven generators produce high voltage spikes.
Operation of this machine on engine driven generators
not conforming to these conditions is not recommended
and may damage the machine.
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