Kemppi MinarcTig 250MLP User Manual
MinarcTig
180, 180MLP, 250, 250MLP
Operating manual
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Manual de instrucciones
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Manuel d’utilisation
Gebruiksaanwijzing
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Инструкции по эксплуатации
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OPERATING MANUAL
English
CONTENTS
1. Preface .................................................................................... 5
1.1 General ...................................................................................... 5
1.2 Machine properties .................................................................. 5
1.3 About welding .......................................................................... 6
EN
2. Machine use
2.1 Before commissioning the machine ....................................... 7
2.2 General view of the machine ................................................... 8
2.3 Distribution network ................................................................ 8
2.4 Cable connections .................................................................... 9
2.5 Welding power selection and electrodes .............................11
2.6 Adjustments and indicators (180 and 250) ...........................12
2.6.1 Welding current regulation and remote control .....13
2.6.2 MMA welding settings ..............................................13
2.6.3 TIG welding function .................................................13
2.6.4 Additional features for MLP models .........................14
3. Setup features
4. Error codes
5. Maintenance
5.1 Daily maintenance .................................................................17
5.2 Disposal ...................................................................................17
6. Ordering numbers
7. Troubleshooting
8. Technical data
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MinarcTig 180, 180MLP, 250, 250 MLP
1. PREFACE
1.1 General
Congratulations on choosing the MinarcTig equipment. Used correctly,
Kemppi products can signicantly increase the productivity of your welding,
and provide years of economical service.
This operating manual contains important information on the use,
maintenance and safety of your Kemppi product. The technical
specications of the equipment can be found at the end of the manual.
Please read the manual carefully before using the equipment for the rst
time. For your own safety and that of your working environment, pay
particular attention to the safety instructions in the manual.
For more information on Kemppi products, contact Kemppi Oy, consult an
authorised Kemppi dealer, or visit the Kemppi web site at www.kemppi.com.
The specications presented in this manual are subject to change without
prior notice.
Important notes
Items in the manual that require particular attention in order to minimise
damage and personal harm are indicated with the ’NOTE!’ notation. Read
these sections carefully and follow their instructions.
Disclaimer
While every eort has been made to ensure that the information contained
in this guide is accurate and complete, no liability can be accepted for any
errors or omissions. Kemppi reserves the right to change the specication of
the product described at any time without prior notice. Do not copy, record,
reproduce or transmit the contents of this guide without prior permission
from Kemppi.
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1.2 Machine properties
MinarcTig machines are compact and robust direct current welding
machines suitable for MMA and TIG welding. Extremely light in weight for
their output power, the machines are easy to carry to the work place with
either the inbuilt moulded carry handle or the shoulder strap provided.
The 180 and 180 MLP models can be used in regular lighting circuits, i.e.,
in single-phase electric networks. The 250 and 250 MLP models require a
three-phase network.
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5© Kemppi Oy / 1339
EN
1.3 About welding
MinarcTig is a precise welding tool and will provide high quality results
time after time provided the correct operational procedures are followed.
Welding quality is not only inuenced by the machine itself. Personal
expertise, ancillary equipment and consumables also play an essential role,
as does the correct, fused supply power.
Welding is carried out when an electric arc is established between the
welding electrode and work piece. Welding is not possible unless the
equipment is correctly set-up, including the earthing cable attached to the
work piece. This cable creates the welding circuit that allows the welding
current to ow. Please check the earthing clamp is on the work piece to be
welded, and that the area of the clamps contact is clean and free from paint.
MMA welding
The MMA is a simple welding process. A coated MMA electrode is short
circuited to the work piece and the resulting electric arc creates a molten
pool into which the electrode wire melts. The coating around the electrode
burns to create a protective gaseous atmosphere and slag, which directly
protects the molten weld pool from atmospheric contamination. The slag
oats on the molten weld pool and solidies on the surface of the resulting
weld bead, protecting the cooling weld.
The electrode is moved slowly along the weld seam. The travel speed
is directly proportional to the size of the electrode and welding current
selected. The slag is nally removed with a chipping hammer to reveal the
weld (always use eye protection).
TIG welding
In TIG welding, the welding arc is formed between a non-consumable
tungsten electrode and the work piece. The resulting high temperature
arc melts the work piece to form a molten pool, into which ller wire of a
similar alloy composition is slowly melted. The molten weld pool and ller
wire are protected from the harmful eects of atmospheric contamination
by an inert shielding gas that ows out from the TIG welding torch’s ceramic
nozzle at a rate of approximately 8–15 litres per minute. (Gas regulator, ow
meter and pure argon shielding gas are not provided in this package.)
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6 MinarcTig 180, 180MLP, 250, 250 MLP
2. MACHINE USE
2.1 Before commissioning the machine
MinarcTig is packed in purpose made, recyclable packaging. However,
always ensure that the equipment has not been damaged in transportation.
Even so, make sure that all in-transport damage is reported to the machine
supplier. Do not unpack the machine under these circumstances. In addition,
before commissioning, check that you have received all of the items you
ordered along with their operating instructions.
Transportation
The machine should be transported in an upright position.
Environment
The machine is suitable for both indoor and outdoor use. In outdoor use,
protect it from heavy rain and sunshine. Store the machine in a dry and
clean environment and protect it from sand and dust during use and
storage. The recommended operating temperature range is –20 to +40
degrees centigrade.
Site the machine so that it does not come into contact with hot surfaces,
sparks and welding spatter. Make sure the airow to and from the machine
is unrestricted.
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7© Kemppi Oy / 1339
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2.2 General view of the machine
3.
5.
1. Welding torch
2. Earthing cable and earthing clamp
3. Main switch
4. Mains cable (MinarcTig 180 in the picture)
5. Shielding gas hose connector
2.3 Distribution network
All regular electrical devices without special circuits generate harmonic
currents into distribution network. High rates of harmonic current may cause
losses and disturbance to some equipment.
MinarcTig 180, 180MLP:
WARNING: This equipment does not comply with IEC 61000-3-12. If it is
connected to a public low voltage system, it is the responsibility of the
installer or user of the equipment to ensure, by consultation with the
distribution network operator if necessary, that the equipment may be
connected.
MinarcTig 250, 250MLP:
This equipment complies with IEC 61000-3-12 provided that the short-circuit
power Ssc is greater than or equal to 1.5 MVA at the interface point between
the user's supply and the public supply network. It is the responsibility of
the installer or user of the equipment to ensure, by consultation with the
distribution network operator if necessary, that the equipment is connected
only to a supply with a short-circuit power Ssc greater than or equal to
1.5 MVA.
1.2.
4.
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8 MinarcTig 180, 180MLP, 250, 250 MLP
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