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Castolin Eutectic DERBY 426 Manuel D'instructions page 36

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In STICK/MMA Welding (SMAW), for the connection
of the ground cable connector check for correct
polarity for the electrode you are going to use, refer
to the information on its box.
Most of the electrodes requires to connect the ground
cable on the negative (minus) connector -
connect the electrode holder on the positive (plus) -
MMA MODE - WIRE FEEDER
Enable the MMA mode (L11 LED) through the T2 key.
D1 displays the welding current that is adjustable
through the E1 knob.
HOT-START
In MMA mode (L11 ON), D2 displays the adju-
sted HOT-Start value.
Adjust the value through E2. (Value from 0 to
50). DEFAULT value 0.
ARC-FORCE
In MMA mode (L11 ON), press T3 to display
the ARC-FORCE value on D2.
Change the value through E2 and confirm
with T2 (Value from 0 to 20). DEFAULT value
0.
VRD
In MMA mode (L11 ON), press T3 to enable
or disable the VRD function.
Change the value through E2 and confirm
with T2.
It is possible to enable or disable the VRD function
even from BASIC SETUP . See Basic SETUP section
Connect the earth cable to the Positive output
terminal (plus) -
- on the front of the unit and the
B
earth clamp to the workpiece.
Connect the Tig torch to the negative output terminal
(minus) -
- on the front of the unit.
C
TIG MODE - WIRE FEEDER
Enable the TIG mode (L12 LED) through the T2 key.
D1 displays the welding current that is adjustable
through the E1 knob.
RAPID SET UP MENU – TIG (VCut)
In TIG mode (L12 ON) hold T3 for 5s at least
to change the parameter VCut displayed on
D2.
Change the value through E2 and confirm
with T2.
It is possible to change the VCut value even from
BASIC SETUP . See Basic SETUP section
For the wire feeder, the same values displayed on D1
and D2 are also respectively displayed on D3 and
D4 of the generator, but setting is always possible
only through E1 and E2 on the wire feeder.
MMA WELDING
on:
oFF: not lowered no-load voltage. DEFAULT value
For the wire feeder, the same values displayed on D1
and D2 are also respectively displayed on D3 and
D4 of the generator, but setting is always possible
- and to
only through E1 and E2 on the wire feeder.
C
-.
B
MMA MODE - GENERATOR
With the wire feeder disconnected from the generator,
enable the MMA mode (L20 ON) by holding T5 for
3s.. D3 displays the welding current that is adjustable
through E3.
HOT-START
ARC-FORCE
VRD
By entering the BASIC SETUP menu it is possible to
adjust the VRD parameter. See Basic SETUP section.
on:
oFF:
TIG WELDING
TIG MODE - GENERATOR
With the wire feeder disconnected from the generator,
enable the TIG mode (L20 blinking) by holding T5
for 3s.. D3 displays the welding current that is adju-
stable through E3.
TIG (VCut)
By entering the BASIC SETUP menu it is possible to
adjust the VCut parameter. See Basic SETUP section.
The VCut parameter varies the TIG lift arc extingui-
shing voltage to avoid defects on the welded piece.
Aut (Automatic):
set current (DEFAULT value)
15 V - 40 V: a fixed arc extinguishing length can be set
oFF: extinguishing voltage is the same as the no-load
voltage of the generator
EN-14
no-load voltage lowered to 12 V.
In MMA mode (L20 ON), press T5 to select
the HOT-START function (L21 ON)
Adjust the value through E3. D4 displays the
value. (Value from 0 to 50). DEFAULT value 0.
In MMA mode (L20 ON), press T5 to select
the ARC-FORCE function (L22 ON).
Adjust the value through E3. D4 displays the
value. (Value from 0 to 20). DEFAULT value 0
(0÷20 def: 0)
no-load voltage lowered to 12 V.
not lowered no-load voltage. DEFAULT value
t he extinguishing voltage varies with the

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