Mma Welding - Telwin SUPERIOR 630 CE VRD Manual De Instrucciones

9- Push-button for selecting the parameters to be seen.
The parameter to be shown on the display (10) can only be selected when the
LED (7b) is lit. The selectable parameters are the output current (I
voltage (V ).
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9a Red LED, indication of the unit of measurement.
10- Alphanumeric display.
11- ALARM signalling LED (the machine has blocked).
Reset is automatic when the reason for alarm activation stops.
Alarm messages shown on the display (10):
- "A. 1" : the primary circuit thermostatic safeguard has cut in.
- "A. 2" : thermostatic safeguard of the secondary circuit has cut in.
- "A. 3" : power supply line safeguard against overvoltage has cut in.
- "A. 4" : power supply line safeguard against undervoltage has cut in.
- "A. 5" : magnetic component overheating safeguard has cut in.
- "A. 6" : safeguard against power line phase fault has cut in.
- "A. 7" : too much dust inside the welding machine, reset by:
- cleaning the machine internally;
- pressing the display key on the control panel;
- "A. 8" : Auxiliary voltage out of range.
When the welding machine is switched off, the signal "OFF" may appear for a few
seconds.
N.B.: ALARM SAVING AND DISPLAY
The machine settings are saved with each alarm. The last 10 alarms can be
recalled as follows:
Press the "REMOTE CONTROL" push-button (5) for a few seconds.
The phrase "AY.X" appears on the screen, where "Y" indicates the alarm number
(A0 the most recent, A9 the oldest) and "X" indicates the type of alarm recorded
(from 1 to 8 see AY.1...) AY.8).
12- Green LED, power on.
5. INSTALLATION
WARNING! CARRY OUT ALL INSTALLATION OPERATIONS AND
ELECTRICAL CONNECTIONS WITH THE WELDING MACHINE COMPLETELY
SWITCHED OFF AND DISCONNECTED FROM THE POWER SUPPLY OUTLET.
THE ELECTRICAL CONNECTIONS MUST BE MADE ONLY AND EXCLUSIVELY
BY AUTHORISED OR QUALIFIED PERSONNEL.
5.1 PREPARATION
Unpack the welding machine, assemble the separate parts contained in the package.
5.1.1 Assembling the return cable-clamp (FIG. E)
5.1.2 Assembling the welding cable-electrode holder clamp (FIG. E)
5.2 POSITION OF THE WELDING MACHINE
Choose the place to install the welding machine so that the cooling air inlets and
outlets are not obstructed (forced circulation by fan, if present); at the same time make
sure that conductive dusts, corrosive vapours, humidity etc. will not be sucked into
the machine.
Leave at least 250mm free space around the welding machine.
WARNING! Position the welding machine on a flat surface with
sufficient carrying capacity for its weight, to prevent it from tipping or moving
hazardously.
5.3 CONNECTION TO THE MAIN POWER SUPPLY
- Before making any electrical connection, make sure the rating data of the welding
machine correspond to the mains voltage and frequency available at the place of
installation.
- The welding machine should only be connected to a power supply system with the
neutral conductor connected to earth.
- To ensure protection against indirect contact use residual current devices of the
following types:
- Type A ( ) for single phase machines;
- Type B ( ) for 3-phase machines.
- To comply with the requirements of the EN 61000-3-11 (Flicker) standard we
recommend connecting the welding machine to interface points of the power supply
that have an impedance of less than Zmax = 0.228ohm (1~), Zmax = 0.283ohm (3~).
- The welding machine falls within the requisites of IEC/EN 61000-3-12 standard.
5.3.1 Plug and outlet
Connect a normalised plug (3P + P.E) (3~) - having sufficient capacity- to the power
cable and prepare a mains outlet fitted with fuses or an automatic circuit-breaker; the
special earth terminal should be connected to the earth conductor (yellow-green) of
the power supply line. Table (TAB.1) shows the recommended delayed fuse sizes in
amps, chosen according to the max. nominal current supplied by the welding machine,
and the nominal voltage of the main power supply.
WARNING! Failure to observe the above rules will make the (Class 1)
safety system installed by the manufacturer ineffective with consequent serious
risks to persons (e.g. electric shock) and objects (e.g. fire).
5.4 CONNECTION OF THE WELDING CABLES
WARNING! BEFORE MAKING THE FOLLOWING CONNECTIONS MAKE
SURE THE WELDING MACHINE IS SWITCHED OFF AND DISCONNECTED FROM
THE POWER SUPPLY OUTLET.
Table (TAB. 1) gives the recommended values for the welding cables (in mm
depending on the maximum current supplied by the welding machine.

5.4.1 MMA welding

Almost all the coated electrodes are connected to the positive pole (+) of the generator,
with an exception for acid coated electrodes, which must be connected to the negative
pole (-).
Welding wire clamp-electrode holder connection
Takes a special clamp for tightening the uncovered part of the electrode to the terminal.
Connect this cable to the clamp with the symbol (+).
Connecting the welding current return cable
Connect the cable to the piece to be welded or the metal bench on which the workpiece
is placed, as close as possible to the joint being worked.
Connect this cable to the clamp with the symbol (-).
Recommendations:
- Fully rotate the welding cable connectors in the quick couplings (if present), to
guarantee perfect electric contact; if this is not the case the connectors will overheat,
) or the output resulting in deterioration and loss of efficiency.
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- Use the shortest welding cables possible.
- Do not use metal structures that are not part of the workpiece to replace the welding
current return cable; this can endanger safety and give unsatisfactory welding
results.
5.4.2 TIG welding
Connecting the torch
- Insert the current cable into the relative fast clamp (-).
Connecting the welding current return cable
- Connect it to the piece to be welded or the metal bench on which the workpiece is
placed, as close as possible to the joint being worked.
Connect this cable to the clamp with the symbol (+).
Connecting the gas bottle
- Screw the pressure reducer onto the gas bottle valve, placing the relative pressure-
reducing valve supplied as an accessory (when using Argon gas).
- Connect the gas input hose to the reducer and tighten the supplied clip, then
connect the other end of the hose to the relative coupler on the TIG torch with
independent gas supply.
- Loosen the adjustment ring nut of the pressure-reducing valve before opening the
gas bottle valve.
- Open the bottle and adjust the quantity of gas (l/min) according to the suggested
data for use, see table 3. The gas flow can be adjusted while welding, always using
the ring nut of the pressure reducer. Check the seal of the hoses and connections.
ATTENTION! Always close the gas bottle valve when you have finished
working.
5.4.3 GOUGING
Connecting the torch
- The gouging torch is similar to an MMA electrode holding clamp. The clamp at the
end of the torch holds one end of the electrode.
- Connect this cable to the clamp with the symbol (+) on the machine.
Connecting the welding current return cable
- Connect it to the piece to be welded or the metal bench on which the workpiece is
placed, as close as possible to the joint being worked.
Connecting the compressed air system
- Make sure the valve that controls the air flow in the torch is closed.
- Connect the air input hose to a compressed air system and tighten the supplied
strips.
- Adjust the air pressure according to the electrode used.
5.4.4 MIG-MAG wire welding
Connecting the gas bottle
- Screw the pressure reducer onto the gas bottle valve, placing the relative pressure
reducing valve supplied as an accessory when using Argon gas or an Ar/CO
- Connect the gas input hose to the reducer and tighten the supplied clip, then
connect the other end of the hose to the relative coupler at the back of the wire
feeder and tighten with the supplied tie.
- Loosen the adjustment ring nut of the pressure reducing valve before opening the
gas bottle valve.
Connecting the Torch
- Insert the torch into the dedicated connector, fully tightening the locking ring nut
manually.
- Prepare the torch to receive the wire for the first time, removing the nozzle and the
contact pipe, to make exiting easier.
- Welding current cable to the quick coupling (+).
- Control cable to the relative connector.
- Water piping for the R.A. version (water-cooled torch) to the fast connections.
- Make sure the connectors are well tightened to avoid overheating and loss of
efficiency.
- Connect the gas input hose to the reducer and tighten the supplied hose tie, then
connect the other end of the hose to the relative coupler at the back of the wire
feeder and tighten with the supplied tie.
Connecting the welding current return cable
- Connect the cable to the piece to be welded or the metal bench on which the
workpiece is placed, as close as possible to the joint being worked.
- Connect the cable to the fast coupling with the symbol (-).
6. WELDING: DESCRIPTION OF THE PROCEDURE
6.1 MMA WELDING
- It is most important that the user refers to the maker's instructions indicated on the
stick electrode packaging. This will indicate the correct polarity of the stick electrode
and the most suitable current.
- The welding current must be regulated according to the diameter of the electrode in
use and the type of the joint to be carried out: see below the currents corresponding
to various electrode diameters:
Ø Electrode (mm)
1.6
2
2.5
3.2
4
5
6
8
)
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- The user must consider that, according to the electrode diameter, higher current
values must be used for flat welding, whereas for vertical or overhead welds lower
current values are necessary.
- As well as being determined by the chosen current intensity, the mechanical
characteristics of the welded join are also determined by the other welding
parameters i.e. arc length, working rate and position, electrode diameter and
quality (to store the electrodes correctly, keep them in a dry place protected by their
packaging or containers).
- The properties of the weld also depend on the ARC-FORCE value (dynamic
behaviour) of the welding machine. The setting for this parameter can be made
either on the panel or using the remote control with 2 potentiometers.
- It should be noted that high ARC-FORCE values achieve better penetration and
allow welding in any position typically with basic electrodes, low ARC-FORCE
values give a softer, spray-free arc typically with rutile electrodes.
- 7 -
Welding current (A)
Min. Max.
25 50
40 80
60 110
80 160
120 200
150 280
200 350
340 420
mix.
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