Helvi GLOBUS 199 Manual De Uso Y Manutención página 8

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  • ESPAÑOL, página 22
5.0 INVERTER FUNCTIONS AND
CONNECTIONS
4
2
6
5
8
1 Adjusting welding current potentiome-
ter
2 Stick / Tig Selector (only for the mo-
dels which have it)
3 Green Led indicating power ON
Led ON = Power ON
Led OFF = Power OFF
Overvoltage Protection Intervention (reset
the unit by switching it OFF, wait 20 seconds,
then switch the unit ON)
4 Yellow Led
Led ON
= indicating temperature limits are
exceeded.
Warning: Let unit to cool down. When ready,
the orange led will automatically shut off.
Led ON = indicating alarm condition due to
overcurrent. Turn unit off and then on. In the
case of protection intervention due to a cur-
8
rent peak the unit will revert to working, if not
so, please contact yr service centre.
5 dinse positive socket
6 dinse negative socket
7 Input Cable
3
8 ON/OFF Switch
1
6.0 STICk WELDING
7
- Connect the earth cable to the negative
pole of the Inverter and the earth clamp to the
workpiece.
- Connect the welding cable to the positive
pole of the Inverter.
- Select the welding current using the poten-
tiometer on the front panel. The welding cur-
rent should be chosen following the instruction
given by the electrodes manufacturer on the
electrode box, but the following indications
may be useful as general information:
- Switch the Inverter on. The two leds on
the front panel will be respectively the green
= lit and the yellow = off (for more details see
page before). Select the stick welding throu-
gh the switch placed on the front panel.
General information
The electric arc may be described as a
source of bright light and strong heat;
in fact, the flow of electric current in the
gas atmosphere which surrounds the
electrode and the workpiece determines
the radiation of electromagnetic waves
that can be perceived as light and/or
heat depending on their wave length. At
an unperceivable level, the arc also pro-
duces ultra-violet and infra-red light; io-
nizing rays have never been noted. The
heat produced by the arc is used in the
welding process to melt and join metal
parts. The necessary electric current is
supplied by special equipment common-
ly called welding machine.
L E
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5 2
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- A
5 6
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0 7
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1 -
0 0
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1
0 0
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1 -
0 4
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1
0 4
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1 -
0 6
A

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