Alfain aXe 250 PULSE Smart (AL)GAS User manual

ALFA IN a.s. © www.alfain.eu aXe 250-320 PULSE smart (AL manual EN 04
WELDING MACHINES
aXe 250 PULSE Smart (AL)
GAS
aXe 320 PULSE Smart (AL)
GAS / H2O
aXe 250 Smart GAS
aXe 320 Smart GAS / H2O
INSTRUCTION MANUAL

2/31
ALFA IN a.s. © www.alfain.eu
CONTENT
1. INTRODUCTION ...................................................................................................3
2. SAFETY PRECAUTIONS .........................................................................................4
3. OPERATING CONDITIONS .....................................................................................5
4. TECHNICAL DATA .................................................................................................6
5. ACCESSORIES .......................................................................................................8
6. DESCRIPTION OF THE APPLIANCE .........................................................................9
7. BASIC SETTINGS ................................................................................................. 17
8. MIG/MAG ELDING SYNERGY .......................................................................... 24
9. PULSED MODE ................................................................................................... 25
10. MIG/MAG ELDING MANUAL ........................................................................... 26
11. MMA ELDING (COATED ELECTRODE- ELE) ....................................................... 27
12. ROUTINE MAINTENANCE & INSPECTION ............................................................ 28
13. DISPOSAL ........................................................................................................... 31

3/31
ALFA IN a.s. © www.alfain.eu
1. INTRODUCTION
Dear Consumers!
Company ALFA IN a.s. thanks you for buying our product and believe that you
will be satisfied with our machine.
Welding machines aXe 250 PULSE smart (AL GAS and aXe 320 PULSE
smart (AL GAS/H
2
O are IGBT invertors. They are designed for welding
method MMA, MIG (Metal Inert gas and MAG (Metal Active Gas . This is
welding in protective atmosphere (methods MIG, MAG . We are using inert
(impassive and active gases during welding. These methods are very
productive and particularly suitable for the connections of structural steels.
With welding machines aXe 250 PULSE smart (AL GAS and aXe 320 PULSE
smart (AL GAS/H
2
O it is possible to weld different types of connections (blunt,
single-sided, double-sided, fillet, lap etc. using wire diameter from 0,6 – 0,8
mm, or 1,0 – 1,2 mm of different metals and alloys (carbon and alloy steels,
aluminum alloys etc. .
Welding machines aXe 250 smart GAS and aXe 320 smart GAS/H
2
O haven’t
pulsed mode. But it is possible to extend these machines about pulsed mode.
S
The machines can be used for welding in areas with increased
danger of electric shock. Machines comply with the relevant requirements for
CE marking.
We reserve the law of adjustments and changes in case of printing errors,
change of technical paramaters, accessories etc. without previous notice.
These changes may not be reflected in the manuals for use in paper or
electronic form.

4/31
ALFA IN a.s. © www.alfain.eu
2. SAFET PRECAUTIONS
PERSONAL PROTECTION
1. For safety reasons, it is necessary to use welding gloves during welding.
These gloves will protect you before intervention of electric current
(open circuit voltage . It protects you against thermal radiation and
splashing drops of hot metal too. Wear sturdy isolated shoes. Do not
wear open shoes, because drops of hot metal can cause burns.
2. Do not look into the welding arc without eye and face protection. Always
use good quality welding helmet with intact protective filter.
3. The persons appearing in the vicinity of the welding must be informed of
the danger and must be equipped with protective equipment.
4. During welding, especially in small spaces, it is necessary to ensure an
adequate supply of fresh air, because during welding, harmful fumes
arise.
5. In tanks of gas, oil, fuel, etc., (even empty ones do not make welding,
because there is a chance of explosion.
6. In areas with chance of explosion special provisions are applied.
7. Welding machines that are subjected to great exertion must comply with
specific security requirements. These include the rail pressure of the
vessel etc. These connections may only be carried out by competently
trained welders with the necessary permissions.
SAFET REGULATIONS
1. Before starting work with welding machine it is necessary to get familiar
with the provisions of the ČSN 050601 and norm ČSN 050630.
2. With a bottle of CO2 or mixed gases should be handled according to the
regulations for working with pressure vessels contained in ČSN 07 83 05
and norm ČSN 07 85 09.
3. The welder must use protective equipment.
4. Before working on the electrical part, removing the cover or cleaning it is
necessary to disconnect the device from the network.

5/31
ALFA IN a.s. © www.alfain.eu
3. OPERATING CONDITIONS
1. Putting the machine into operation can be performed only by trained
personnel and only within the technical provisions. The manufacturer is
not liable for damages resulting from improper use or handling. For
maintenance and repair, use only original spare parts from ALFA IN.
2. Device complies with IEC 61000-3-12 with following conditions:
Short-circuit power S
sc
of network in place at an interface between the
user's supply and the public network (PCC must be least 4106 kW.
User is obliged to consult with the electricity supplier if the impedance of
the network at this point is that required short-circuit capacity Z
max
= 36
mΩ and whether the device can be connected with a public low-voltage
network.
On the nameplate are the following symbols: .
3. The welding machine is tested according to the degree of protection IP
23S, which provides protection against the intrusion of solid bodies with a
diameter greater than 12 mm and protection against ingress of water,
falling on the machine in a vertical direction or max degree of 60°.
4. The machine must be positioned so that cooling air can enter and leave
through cooling vents with no problem. It is necessary to ensure that
there are no mechanical equipment, especially metal particles (e.g.
during grinding drawn into the machine.
5. Handling handle is intended for movement, it is not designed to lifting the
machine.
6. In case of overheating of the machine welding is automatically stopped
and this condition is signalized by pilot light.
7. All interventions in the el. equipment as well as repair (removal of the
plug, fuse replacement should be performed by an authorized person.
8. With competent mains voltage and input must match the plug.
9. Do not use the machine for other purposes, such as defrosting pipes,
starter source, etc.
10. It is necessary for welding machine to undergo a periodic
inspection every 6/12 months by an authorized officer according to ČSN
331500 and ČSN 050630 – see Maintenance and service tests.
11. The welding machine is designed especially for industrial areas. In
case of using it in other areas there may exist special measures (see EN
60974-10 .
12. It is necessary to protect the machine against:
a. Moisture and rain
b. Mechanical damage
c. Draft and possibly ventilation of neighboring machines
d. Excessive overloading – exceeding tech. parameters
e. Rough treatment
f. Chemically aggressive environments

6/31
ALFA IN a.s. © www.alfain.eu
ELECTROMAGNETIC COMPATIBILIT
The welding device is in terms of interference designed primarily for industrial
areas. It meets the requirements of EN 60974-10 class A and it isn’t designed
for using in residential areas, where the electrical energy is supplied by public
low-voltage power supply network. It can be here potential problems with
ensuring of electromagnetic compatibility in this areas, due to interference
caused by power lines as well as the radiated interference.
During operation, the device may be the source of interference.
 Caution 
We warn users, that they are responsible for possible interference from
welding.
4. TECHNICAL DATA
Model aXe 250 PULSE smart (AL) GAS
Method MIG/MAG MMA
Mains voltage V/Hz 3x400/50-60
Welding current range A 20 - 250 10 - 250
Open-circuit voltage U
20
V 63,1
Mains protection A 16 @
Max. effective current I
1eff
A 12,9 13,0
Welding current (DZ=100% I
2
A 210 190
Welding current (DZ=60% I
2
A 250 230
Welding current (DZ=x% I
2
A 60%=250 50%=250
Protection IP 23S
Standards EN 60974-1, EN 60974-10 cl. A
Dimensions (w x l x h generator mm 474 x 911 x 670
Weight - generator /compact kg 47,6
Wire speed m/min 1,0 - 20,0 ---
Spool diameter mm 300 ---
Spool weight kg 18 ---

7/31
ALFA IN a.s. © www.alfain.eu
Model
aXe 320 PULSE
smart
(AL)
H
2
O
aXe 320 PULSE
smart
(AL)
GAS
Method MIG/MAG
MMA MIG/MAG
MMA
Mains voltage V/Hz
3 x 400/50-60 3 x 400/50-60
Welding current range A 20 - 315 10 - 300 20 - 315 10 - 300
Open-circuit voltage U
20
V 63,1 63,1
Mains protection A 16 @ 16 @
Max. effective current I
1eff
A 13,3 12,8 12,9 12,8
Welding current (DZ=100% I
2
A 210 190 210 190
Welding current (DZ=60% I
2
A 250 230 250 230
Welding current (DZ=x% I
2
A 25%=315 20%=300
25%=315 20%=300
Protection IP 23S
Standards EN 60974-1; EN 60974-10 cl. A
Dimensions (w x l x h generator
mm 474 x 902 x 884 474 x 911 x 670
Weight - generator /compact kg 72,5 47,6
Wire speed m/min
1,0 - 20,0 --- 1,0 - 20,0 ---
Spool diameter mm 300 --- 300 ---
Spool weight kg 18 --- 18 ---
Cooling power (Q=1l/min kW 0,74 --- --- ---
Total liquid content l 4,0 --- --- ---
Max. pressure Bar 3,5 --- --- ---
Max. flow l/min 8,0 --- --- ---
S
The machine marked with this symbol can be used for welding in areas with
an increased risk of electric shock.
The machine structure is designed so that, in any case, even if the failure
rectifier does not exceed the permitted peak value of the open circuit voltage
according to EN 60974-1, i.e., 113 V direct current or 68 V alternating.

8/31
ALFA IN a.s. © www.alfain.eu
5. ACCESSORIES
PART OF DELIVER
1. Roll (rolls for wire with diameters 0,8 – 1,0 mm
2. Instruction manual
3. Reducing for the spool wire 5 kg and 15 kg
4. Earthing cable 3 m with clamp
5. Hose for gas connection
ACCESSORIES ON REQUEST
1. Pressure regulator
2. Spare parts for torch
3. Rolls 0,6-0,8 and 1,0-1,2 with different grooves
4. Torch PARKER SGA-LW305A Ultralight 3 m – 5 m
5. Torch PARKER DIGIMIG 305 aXe IN UD Ultralight 3 m – 5 m
6. Torch PARKER SGB 240W délka 3 m – 5 m
7. Torch PARKER DIGIMIG 240W aXe IN UD 3 m – 5 m
8. Set for aluminium welding
9. Wire cleaner
NOTICE If you decide to use a different torch than the above, it is
necessary to choose one, according to your current range and load time of the
torch. ALFA IN a.s. is not liable for damage caused by overload welding
torches.

9/31
ALFA IN a.s. © www.alfain.eu
6. DESCRIPTION OF THE APPLIANCE
MAIN PARTS
Fig. 1 – Main parts of the machine

10/31
ALFA IN a.s. © www.alfain.eu
Fig. 2 – Main parts of the machine with
cooling unit