Device Storage; Connecting The Device; Device Description - Welbach IOTA 200 Manuel D'utilisation

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The voltage in the input capacitor must be checked
upon turning off the device and disconnecting it
from the power source. One must make sure that the
voltage value is equal to zero. Otherwise, the device
elements must not be touched.
3.5. GASES AND FUMES
PLEASE NOTE! GAS MAY BE LETHAL OR DANGEROUS
TO HUMAN HEALTH!
Always keep a certain distance from the gas outlet.
When welding, ensure good ventilation. Avoid
inhaling the gas.
Chemical substances (lubricants, solvents) must be
removed from the surfaces of welded objects as they
burn and emit toxic smokes under the influence of
high temperatures.
Welding galvanised objects is permitted only when
efficient ventilation is provided with filtration and
access to fresh air. Zinc fumes are very toxic, an
intoxication symptom is the socalled zinc fever.
4. OPERATION
4.1. GENERAL NOTES
The device must be applied according to its purpose,
with observance of OHS regulations and restrictions
resulting from data included in the rating plate (IP
level, operation cycle, supply voltage, etc.).
The machine must not be opened, as it will cause
warranty loss and, in addition, exploding, unshielded
elements can cause serious injuries.
The producer does not bear any responsibility for
technical changes in the device or material losses
caused by the introduction of the said changes.
In case of incorrect device operation, contact the
service centre.
Louvers must not be shielded – the welder must
be positioned at 30 cm distance from the objects
surrounding it.
The welder must not be kept under your arm or near
your body.
The machine must not be installed in rooms with
aggressive environments, high dustiness and near
devices with high electromagnetic field emission.

4.2. DEVICE STORAGE

The machine must be protected against water and
moisture.
The welder must not be positioned on heated
surfaces.
The device must be stored in a dry and clean room.

4.3. CONNECTING THE DEVICE

4.3.1 Connecting the power
Connecting the device must be performed by
a qualified person. In addition, a person with the
required qualifications should check if the earthing
or electrical installation with protection system is in
line with the safety regulations and if they operate
correctly.
The device must be placed near the work station.
Connection of excessively long conduits to the
machine must be avoided.
One-phase welders should be connected to the
socket fitted with an earthing prong.
10
Welders powered from a 3-Phase network are
delivered without a plug, the plug must be obtained
independently and installation should be assigned to
a qualified person.
PLEASE NOTE! THE DEVICE MAY ONLY BE USED UPON
CONNECTION TO AN INSTALLMENT WITH A PROPERLY
FUNCTIONING FUSE.
5. DEVICE USE

5.1. DEVICE DESCRIPTION

Front view:
Rear view:
1
6
2
5
3
4
1.
Control panel
2.
MMA Welding lead socket
3.
TIG Welding torch control socket
4.
TIG gas socket
5.
Return lead socket
6.
ON / OFF switch
7.
Gas coupling (input)
8.
Power supply
Control panel
2
1
4
3
5
7
6
Control panel buttons:
1.
Display.
2.
Overload / failure indicator = the lamp lights up in
case of occurrence of two situations:
a) if the machine has a failure and it cannot be
operated.
b) if the welder has exceeded the standard overload
time, it goes into safety mode and then it switches
off. It means that the device goes into rest mode
within the framework of the control of temperature
and overheating. During this process, the warning
lamp on the front panel lights up. In this situation,
it is not needed to pull the power supply plug from
the socket. In order to cool the device, the fan may
continue to function. If the red indicator lamp does
not light up, it means that the device has cooled
down to the operating temperature and it can be re-
used.
3.
Device operation indicator lamp.
4.
Welding mode selector button: DC TIG Pulse, DC TIG,
MMA.
5.
Welder configurable values selector knob.
6.
Burner button operating mode selector button
2T – press this button on the burner to start the
metal welding process, release this button to end
this process
4T – press this button on the burner to start the
metal welding process, releasing this button does
not end this process. Press and release this button
again to end the metal welding process.
SPOT – welding / spot welding
7.
Selection of welding parameters.
Welding machine control panel control lights:
7
5
4
8
3
1
2
11
13
12
1.
Hot Start – this function makes it easier to initiate an
electric arc, by momentarily increasing the welding
current the moment the electric arc is discharged.
Once discharged, the welding current returns to its
pre-set value,
2.
GAS PRE–FLOW – gas pre-flow time.
3.
STARTING AMP. – value of output current upon arc
striking.
4.
CURRENT UP SLOPE – time over which the value of
the output current increases from the initial current
value to the welding current value.
5.
WELDING CURRENT / PEAK AMP in PULS mode.
6.
BASE AMP. current sustaining the arch in the PULS
mode.
7.
CURRENT VALUE DECREASE – The time it takes for
the current value to decrease from the welding
current value to the final current value.
8.
CURRENT DOWN SLOPE – time over which the
output current value decreases from the welding
current value to the initial current value.
9.
GAS POST–FLOW – gas post-flow time Function
used in order to cool down the weld and to protect it
against oxidation.
10.
Arc Force – this function stabilises the electric arc
under length changes.
11.
PULSE FREQ – impulse frequency during PULS mode
welding.
12.
PULSE WIDTH – this is the relation of the impulse
duration to the impulse period. Parameter selected
in TIG PULSE mode.
13.
Work mode 2T/4T/SPOT
TIG torch:
A
B
C
D
E
5.2. PREPARING THE DEVICE FOR USE / DEVICE USE CABLE
CONNECTIONS:
MMA WELDING MODE
1.
Select MMA welding function.
2.
Connect the mass cable to the appropriate connector
marked in the figure by number 5.
3.
Then connect the welding cable to the connector
7
6
marked in the figure by number 2.
8
ATTENTION! The polarisation of the leads has to
10
be different! All polarisation information should be
9
shown on the packaging supplied by the electrode
manufacturer.!
4.
Once the machine is correctly assembled, connect
the power lead and switch it on.
TIG WELDING MODE
1.
Select TIG welding function.
2.
Connect the mass cable to the appropriate connector
marked in the figure by number 5.
3.
Then connect the TIG welding cable to the connector
marked in the figure by number 2.
The remaining cables should be properly connected
to the connector marked in the figure by number
3 – control socket of the TIG welding gun and to
the socket marked in the figure by number 4 – gas
connection socket.
4.
Then connect the gas source to the connector on the
back of the machine.
5.
Once the machine is correctly assembled, connect
the power lead and switch it on.
EN
A.
Back cap, long
B.
Collet
C.
Torch handle
D.
Collet inside
housing
E.
Ceramic nozzle
11

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