Stel TIG 303, Instruction Manual

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a
Water Cooler ;
b Dynamic Arc ;
c 1ph MAX Iout ;
d Restore Factory Default ;
e Home page;
f Modify;
g Return toTIG-START SETTING;
h Version number of firmware.
- WATER COOLER
There is the possibility of connecting a liquid
cooling Unit as an optional: The connection
specifications will be inside the Cooling Unit. From
the TIG-SETUP page press the MODIFY button
(ref.f) The following screen will then appear:
Using the button
SELECT (rif. a ) select the Water
Cooler : ON
– OFF.
Press button CHANGE (rif. b ) in order to select ON
or OFF.
Press button Check Symbol © to confirm
If the cooling unit has been enabled, the cooling
symbol will now appear on the main screen.
The cooling unit will be activated by the machine
only during welding.
- 1Ph MAX Iout
This function can be activated only in the "S"
version machines. It is used to limit the maximum
output current value to 300 A when we are in single
phase mode.
- RESTORE FACTORY DEFAULT
This function is used to return the machine setting
to the factory default values.
Follow the same procedure indicated previously for
activating the Water Cooler. Using the SELECT
button (ref.a) move the side arrow in the
RESTORE FACTORY DEFAULT menu.
At this point, press the CHANGE button (ref.b).
A screen will appear saying "DO YOU WANT TO
RESTORE FACTORY DEFAULT DATA?"
To restore the default data, press the Check Symbol
button (ref.c).
To NOT delete the data, press the X button (ref.d).
.
DUTY CYCLE AND
EXCESSES TEMPERATURE
The duty cycle is the percentage of use of the
welding machine within 10 minutes which the
operator must respect to avoid the machine
blocking output due to temperature being
exceeded.
If the machine goes in overtemperature you will
see the following message on the screen.