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IMPORTANT
READ THIS MANUAL AND THE SAFETY RULES
MANUAL CAREFULLY BEFORE INSTALLING, USING,
OR SERVICING THE MACHINE, PAYING SPECIAL
ATTENTION TO SAFETY RULES. CONTACT YOUR
DISTRIBUTOR IF YOU DO NOT FULLY UNDERSTAND
THESE INSTRUCTIONS.
This machine must be used for cutting only.
It is also essential to pay special attention to the "SAFETY
RULES" Manual. The symbols next to certain paragraphs
indicate points requiring extra attention, practical advice or
simple information.
This MANUAL and the "SAFETY RULES" MANUAL must
be stored carefully in a pica familiar to everyone involved in
using the machine. They must be consulted whenever
doubts arise and be kept for the entire lifespan of the
machine; they will also be used for ordering replacement
parts.
1. INSTALLATION
1.1. TORCH ASSEMBLY
This machine is suitable to work only with a genuine
ELETTRO C.F. torch. We do not assume any
responsibility in case that a different kind of torch is
used.
Insert the torch onto the fitting I (see pict. 1) using the
special tool supplied, firmly tightening the ring-nut to avoid
air leaks that could damage or interfere with smooth
operation of the torch.
Do not dent the current pin or bend the pegs of the torch
fitting. A dented pin may not disconnect, while a bent peg
does not allow proper insertion onto the fixed fitting I (pict.
1), thereby preventing the machine from working.
1.2. DESCRIPTION OF DEVICES ON THE MACHINE
(Pict. 1)
A)
Mains power led.
B)
Block LED; lights when hazardous conditions arise
(See 5.1.1)
C)
Thermostat LED
D)
Low air pressure LED
E)
"SELF-RESTART PILOT" function LED
F)
Push-button to activate and deactivate the "SELF-
RESTART PILOT" function.
G)
Cutting current regulator knob
I)
Torch fitting
J)
Grounding clamp
K)
Pressure regulator knob
L)
Compressed air fitting (1/4" female gas thread)
M)
Pressure gauge
N)
Water trap
O)
Mains power switch
P)
Power cord
1.3. SAFETY DEVICES
This system comes equipped with the following safety
devices:
Overload cut-out:
To avoid overloads. It is evidenced by the LED C (see
pict.1) continuously on.
INSTRUCTIONS FOR PLASMA CUTTER
Pneumatic:
Located on the torch inlet to prevent low air pressure.
The LED D (see pict.1) lights when tripped.
It means that the pressure has temporarily gone below 3.2
÷ 3.5 bar.
Electrical:
Located on the torch body, to prevent hazardous voltages
from occurring on the torch when, swirl ring, electrode or
nozzle holder are replaced;
Do not remove or short-circuit the safety devices.
Use only original spare parts.
Always replace any damaged parts of the machine
with original materials.
Do not run the machine without its housings. This
would be dangerous to the operator and anyone else
in the work area, and would prevent the machine from
being cooled properly.
1.4. EXPLANATION OF TECHNICAL SPECIFICATIONS
IEC 60974-1 .... The equipment is built according to these
IEC 60974-10 standards.
IEC 60974-7
Cl. A ................. Machine for professional and industrial use.
Three-phase
frequency converter.
................. Down slope.
............ Suitable for plasma cutting.
TORCH TYPE . Type of torch that may be used with this
machine to form a safe system.
U0 .................... Secondary open-circuit voltage.
X ...................... Duty cycle percentage.
The duty cycle expresses the percentage of
10 minutes during which the welding
machine may run at a certain current I
voltage U
I
...................... Cutting current.
2
U
.................... Secondary
2
welding current I
on the distance between the contact tip and
the workpiece.
If this distance increases, the cutting
voltage also increases and the duty cycle
X% may decrease.
U
.................... Rated supply voltage.
1
8
static
transformer-rectifier
without overheating.
2
conventional
voltage
. This voltage depends
2
and
2
with
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