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Technical data
The general technical data of the system are summarized in
table 1.
Model
Three-phase power supply
50/60 Hz
Adjustment field
Installation power
Secondary idle voltage
100% usable current
60% usable current
35% usable current
Insulation class
Protection class
Dimensions
Weight
Usage limits (IEC 60974-1)
The use of a welder is typically discontinuous, in that it is made
up of effective work periods (welding) and rest periods (for the
positioning of parts, the replacement of wire and underflushing
operations etc. This welder is dimensioned to supply a I
nominal current in complete safety for a period of work of 35%
of the total usage time. The regulations in force establish the
total usage time to be 10 minutes. The work cycle is consid-
ered to be 35% of this period of time. If the permitted work
cycle time is exceeded, an overheat cut-off occurs to protect
the components around the welder from dangerous overheat-
ing. Activation of thermal protection is signaled by "t° C" flash-
ing on control panel display. After several minutes the overheat
cut-off rearms automatically and the welder is ready for use
again. This generator is constructed in compliance with the
IP23 protection level.
How to lift up the machine
Strap the hoisting belts around the machine and lift it up care-
fully and safely, slinging it from the bottom up.
The weld machine has a strong handle all in one with the
frame, used for transporting the machine manually only.
NOTE: These hoisting and transportation devices conform to
European standards. Do not use other hoisting and transporta-
tion systems.
Open the packaging
The system essentially consists of:
• MATRIX 250 AC/DC weld unit;
• Welding TIG torches (optional);
• Coolant unit for welding torch (HR26) (optional);
• CT20 trolley for transportation (optional).
Upon receiving the system:
• Remove the welding generator and all relevant accessories-
components from their packaging;
• Check that the weld machine is in good condition, if not
report any problems immediately to the seller-distributor;
• Make sure all ventilation grilles are open and that no foreign
bodies are blocking the air circulation.
Table 1
MATRIX 250 AC/DC
TIG
ELECTRODE
V
400
A
5 ÷ 250
kVA
7
V
95
A
170
160
A
200
200
A
250
250
H
IP 23
mm
560-425-220
kg
33
max
2
Installation
The installation site for the system must be carefully chosen in
order to ensure its satisfactory and safe use.
The user is responsible for the installation and use of the sys-
tem in accordance with the producer's instructions contained
in this manual.
Before installing the system the user must take into considera-
tion the potential electromagnetic problems in the work area.
In particular, we suggest that you should avoid installing the
system close to:
• signalling, control and telephone cables
• radio and television transmitters and receivers
• computers and control and measurement instruments
• security and protection instruments
Persons fitted with pace-makers, hearing aids and similar
equipment must consult their doctor before going near a
machine in operation. The equipment's installation environ-
ment must comply to the protection level of the frame i.e. IP 23
(IEC 60529 publication). This system is cooled by means of the
forced circulation of air, and must therefore be placed in such a
way that the air may be easily sucked in and expelled through
the apertures made in the frame.
Connection to the electrical supply
Before connecting the welder to the electrical supply,
check that the machine's plate rating corresponds to the
supply voltage and frequency and that the line switch of
the welder is in the "O" position. Connect up the welder to
industrial mains only and not to the electricity supply for
general public.
Use the welder's own plug to connect it up to the main power
supply. Proceed as follows if you have to replace the plug:
• 3 conducting wires are needed for connecting the machine
to the supply
• the fourth, which is YELLOW GREEN in colour is used for
making the "EARTH" connection.
Connect a suitable load of normalised plug (3p+t) to the
power cable and provide for an electrical socket complete
with fuses or an automatic switch. The earth terminal must
be connected to the earth conducting wire (YELLOW-
GREEN) of the supply.
Table 2 shows the recommended load values for retardant
supply fuses chosen according to the maximum nominal cur-
rent supplied to the welder and the nominal supply voltage.
Model
I
Max nominal 35% (*)
2
Installation power
Nominal voltage delayed fuses
Supply connection cable
Length
Section
Earth cable
(*) Service factor
NOTE: Any extensions to the power cable must be of a suita-
ble diameter, and absolutely not of a smaller diameter than the
special cable supplied with the machine.
17
Table 2
MATRIX 250 AC/DC
A
250
kVA
7
A
10
m
3
2
1,5
mm
2
35
mm
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