17
the symbol
P01
stops flashing and a sound will signal
that data have been stored.
If a different program must be selected, hold down but-
ton
AQ
until the number of the selected program is dis-
played on display
U
.
3.6.2. Saving from a free program
The operator can change and save the selected program
using the following procedure:
Hold down button
AQ
shortly and select
the number of the selected program.
Do not touch live parts and output terminals while
the machine is powered.
Hold down button
AT
and select the welding process and
by means of the button
E
select the mode.
Turn knob
AA
and set the welding current.
If TIG process is selected, activate led
X
(post gas) by means of button
P
and set by means of
knob
AA
the selected value.
After these settings
that are required for saving
, if you
wish to set the “slope” times or other times, follow the
procedure given in the corresponding paragraph.
To save the previously selected program hold down but-
ton
AQ
for more than 3 seconds, until the program num-
ber stops flashing.
3.6.3 Saving from a saved program.
Beginning with a previously saved program
, the op-
erator may modify the data in memory to update the
program itself, or to find new parameters to be saved in
another program.
3.6.3.1 Up-dating
Once the machine is started, select the parameters
to be modified and modify them: the abbreviation of the
selected program will then change from steady to flash
-
ing.
Hold down for more than 3 seconds button
AQ
, display
O
will show abbreviation
Sto
.
Hold down button
AQ
for more than 3 seconds, until the
program abbreviation P01 stops flashing and a sound
signals that data have been stored
.
3.6.3.2 Saving from a new program.
Once the machine is started, select the parameters
to be modified and modify them.
Press shortly button
AQ
until the selected program is dis-
played.
Hold down button
AQ
for more than 3 seconds until the
saving is confirmed (program abbreviation changes from
flashing to steady).
3.6.4 Deleting a saved program
Select the program (memory) to be deleted, hold down
for more than 3 seconds button
AQ
and display
O
will
show abbreviation
Sto
, turn knob
AA
until abbreviation
dEL
is displayed, hold down button
AQ
for more than 3
seconds and the program abbreviation will start flashing
4 SERVICE FUNCTIONS MENU
To enter this submenu press the button and, while hold-
ing it down, press shortly button
AQ
To exit repeat the procedure described above.
The service functions selection is obtained by holding
down shortly button
AQ
.
Changing the functions selected with button
AQ
is ob-
tained by means of knob
AA
.
Functions visible in TIG Process only.
4.1.COOLING UNIT MANAGEMENT
Display
U
shows abbreviation H20 and display
O
shows
abbreviation OFF (default).
Turn knob
AA
to select the type of operation:
- OFF = off.
- ON = always on
- On A = automatic start-up .
In automatic operation, at the machine start-up the cool-
ing unit goes on for 30 seconds and then shuts off.
When the torch trigger is pressed the cooling unit starts
operating and shuts off 3 minutes after the torch trigger
is released. If the coolant pressure is too low, the power
source delivers no current and display
U
will flash the
message H2O.
4.2 SP SPOT- AND STITCH WELDING
Is activated in two stages welding (led
G
)or 4 stages (led
H.
) when the high frequency start-up is selected(led
L
).
Select abbreviation
SP
(spot) on display
U
by means of
button
AQ
, display
O
shows abbreviation
OFF
, by means
of knob
AA
set ON to activate the function.
Press shortly button
AQ
to select abbreviation
tSP
.
4.2.1 tSP ( Spot time)
Display
U
shows the abbreviation SP, display
O
shows
1 sec. time, by means of knob
AA
set the desired time
, range from 0.1 to 25 seconds.
If you want to set
jog
(welding with automatic interval)
press shortly button
AQ
and select abbreviation tin.
4.2.2 tin (interval time)
Display
O
will show abbreviation
OFF
.
Turn knob
AA
to select the interval time (range from 0,1
to 25 sec.).
4.3 PDU-
(DUTY CYCLE PULSED active in pulsed mode
only).
This is the duration of the highest selected current in
pulsed mode.
It is expressed as a percentage of the time against the
Fdp frequency (default 50%)
Range: minimum 10% maximum 90%.
Summary of Contents for INVERTER TIG
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