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INSTRUCTION MANUAL FOR PLASMA CUTTER
Read this manual carefully before using the machi-
ne. Failure to respect the rules described herein
shall exempt the manufacturer from any liability.
The machine has been designed, built and protected for
the functions described below. Any other use not explic-
itly included shall be considered FORBIDDEN.
The machine must be used in sufficiently ventilated
rooms, in the absence of dust and moisture; in any case,
where there is no risk of fire, explosion, or flooding.
The machine must be started, used and serviced by qual-
ified personnel. Always follow current safety regulations.
The manufacturer shall not be held responsible for any
damage caused by incorrect use of the machine.
1 INTRODUCTION
THIS DEVICE must be used exclusively for cutting on any
electrically conductive material (metals and alloys).
In this machine, the arc ignition is obtained by the contact
and the subsequent separation of the electrode from the
nozzle.
PLASMA cutting takes place due to the high temperature
generated by a concentrated electric arc, and thus highly
dangerous situations may arise; it is therefore essential to
pay the utmost attention to the chapter entitled SAFETY
PRECAUTIONS.
The symbols next to certain paragraphs indicate points
requiring extra attention, practical advice or simple infor-
mation.
This manual must be kept carefully in a place familiar to
everyone involved in using the machine. It must be con-
sulted whenever doubts arise and be kept for the entire
life-span of the machine; it will also be used for ordering
replacement parts.
2 SAFETY DEVICES
This unit is provided with the following safety devices:
Thermal:
located on the power transformer windings
to avoid overloads and signalled by indicator light G on
(see picture 1 ).
Pneumatic: located on the torch feed line to avoid insuf-
ficient air pressure and signalled by indicator light L (see
picture 1).
Electric: located on torch body to avoid dangerous
voltages while replacing nozzle, diffuser, electrode or
nozzle holder.
The machine is also equipped with an error detection sys-
tem. Each malfunction is signaled by a different flashing
mode by the lamp G:
A) One flash followed by a 1-second pause means that
a short-circuit is present on the torch (for example
between the electrode and the nozzle).
In this case shut off the machine and remove the
problem.
B) Two flashes followed by a one-second pause means
that the start button was
machine was turned on.
Release the button.
In this case, shut off the machine and call technical
service to replace the reed.
• Do not remove or short-circuit the unit safety devices.
pressed when the
• Only use original spare parts and consumables.
• Always replace any damaged part of the unit or torch
with original material.
• Do not use any torches other than the original one.
• Do not use the unit without covers. This would be
dangerous for operator and for those who are surround-
ing the work area and would prevent the unit from cool-
ing efficiently.
3 DESCRIPTION OF TECHNICAL SPECIFICATIONS
N°.
Machine Serial Number which must appear
on requests or inquiries concerning the
machine.
Type of torch that may by used with this
TORCH TYPE
device.
U0.
Secondary no-load voltage.
X.
Duty-Cycle Percentage
The duty-cycle is the number of minutes, ex
pressed as a percentage, the machine can
operate (arc on) within a ten minute period
without overheating. The duty cycle varies
according to the output current.
I2.
Output cutting current
U2.
Secondary voltage with cutting current I2
U1.
Rated supply voltage.
1~60Hz
Single-phase input supply at 60 Hz
I1.
Input Amps absorbed corresponding to
different output levels (I2).
IP21.
Machine case protection class.
The 1 in the second digit place means that
this unit is not fit to work outdoors in the
rain.
4 DESCRIPTION OF UNIT DEVICES (see picture 1)
A)
Power cord
B)
Compressed air fitting (1/4" female gas thread)
C)
Mains switch
E)
Air pressure regulator
F)
Gauge
G)
Light signalling thermostat is open
H)
Work clamp
3
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