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 without overheating.
I2.
Welding current
U2.
secondary voltage with current I2
U1.
Rated supply voltage
1~50/60Hz 50- or 60-Hz single-phase power supply.
I1 max
max. absorbed current at the corresponding
current I2 and voltage U2.
I1 eff
This is the maximum value of the actual
current absorbed, considering the duty
cycle. This value usually corresponds to the
capacity of the fuse (delayed type) to be
used as a protection for the equipment.
Ip23s
protection rating for the housing.
grade 3 as the second digit means that this
equipment may be stored, but it is not
suitable for use outdoors in the rain, unless
it is protected.
S
suitable for use in high-risk environments.
NoTE: The welding machine has also been designed for
use in environments with a pollution rating of 3.
(see IEC 60664).
2.3 PROTECTIONS
2.3.1 Block protection
In the event of a malfunction, a flashing number may
appear on the display M, with the following meaning:
52 =
start button pressed during start-up.
53 =
start button pressed during thermostat reset.
56 =
Extended short-circuit between the welding elec-
trode and the material to be welded.
shut the machine off and turn it back on. If different num-
B
C
I
O
P
12
D
E
L
F
Q
R
Fig. 2
bers appear on the display, contact technical service.
2.3.2 Overload cut-out
This machine is protected by a thermostat, which pre-
vents the machine from operating if the allowable tem-
peratures are exceeded. In these conditions the fan con-
tinues to operate and the display M flashes the abbrevi-
ation "tH."
3 DESCRIPTION Of POWER SOURCE (Fig. 1)
A – Socket (-): this is where the earth cable is to be con-
nected.
B – Central adapter : Connect the welding torch.
C – Connector : For connecting remote controls and the
welding control cable Push–Pull Art. 2003.
f - Connector : Connector type dB9 (Rs232 serial line)
to use for updating the microprocessor programs.
L - ON/Off switch.
M – Power cable.
N – gas hose.
4 DESCRIPTION Of CONTROL PANEL (Fig. 2)
AE selection key.
Each brief pressure selects the size, adjustable via the AI
knob. The sizes which can be selected are shown by
LEds AA/AB/AC/AD.
LED AA PRg.
Indicates that the display AL shows the set program
number.
LED AB Thickness.
TheAL
display shows the recommended thickness
based on the set current and wire speed. Active only in
synergic mIg processes.
G
H
U
V
N
M
Z
Y
W