ESAB THOR Bedienungsanleitung
THOR
Welding transformer
Operations instructions
Ref.: THOR (with fan) 0401183
0401182
THOR (without fan)
2
THOR
GENERAL INSTRUCTIONS
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These instructions refer to any equipment produced by ESAB S.A.adapting to individual characteristics of
each model.
Strictly follow the instructions in this manual and abide by the requisites and other aspects of the welding
process to be used.
Do not install, operate or repair this equipment without reading this manual before proceeding.
Before installing, read the instruction manual of accessories and other parts (gas regulators, pistols or
welding torches, horimeter, controls, meters, auxiliary relays, etc) which will be aggregated to the
equipment and make sure the accessory is compatible.
Make sure that all required material for welding was correctly specified and is duly installed as to meet all
specifications of the intended application.
When in use, make sure that:
auxiliary equipment (torches, cables, accessories, electrode holder, pipes, etc.)
are correctly and tightly plugged. Refer to respective manuals).
For further information, about this or any other ESAB product, do not hesitate to contact our Technical
Service Department or other ESAB authorised company.
ESAB S.A. shall not be liable or in any way responsible for any accident, damage or production break
caused by the non compliance with the instructions in this manual or with industrial safety rules.
Accidents, damages or production break caused by installation, operation or repair of this or any other
ESAB product performed by non-qualified staff are of entire responsibility of the owner or user of this
equipment.
Use of non-original parts and/or not approved by ESAB S.A. when repairing this or any other ESAB
product is entirely responsibility of the owner or user and implies total loss of warranty.
Warranty of any ESAB product will be automatically cancelled in case any of the instructions and
recommendations in theWarranty Certificate and/or in this manual are not followed.
shield gas is appropriate to the application process.
A T T E N T I O N !
This ESAB equipment was projected and manufactured in accordance to national and
international regulations, which establish safety operation criteria, and therefore, the
instructions in this present manual and especially the ones related to installation, operation
and maintenance should be rigorously followed, in order to avoid damage to the
performance of the equipment and also to comply with the guarantee given.
The materials used for packaging and the parts disposed to repair the equipment should
be taken to a specialized recycling company according to the material type.
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3
THOR
1) SAFETY
This manual has the purpose to guide experienced people about installation, operation and maintenance
forTHOR transformer.DO NOT allow non-qualified personnel to install, operate or repair this equipment.
You must read and understand all information in this manual.
Remember that:
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As with any machine or electric equipment must be unplugged from the energy source before any
preventive or corrective maintenance should be done. In order to carry out any internal measures or
interventions that require the equipment to be on make sure:
The equipment is correctly grounded;
The working area is dry:
All the internal and external electric connections are correctly tight.
On the other hand, the technician that measures or intervenes must be appropriately protected against
electric shock, and must use adequate devices and tools for work on electric circuits
Conditions 1, 2 and 3 above equally apply to the welding work. Besides these conditions make sure the
electrode-holder is in perfect conditions of isolation and that all-electrical contacts existing in the feed and
welding circuits are safely tight.The welder must always be appropriately protected against the effects of
electrical arc, electric shocks and welding spatters.
Electrical shock can kill
Welding smoke and gases can be harmful to your health
Electrical arcs burn the skin and hurt your sight
N
oise in high level can damage your hearing
S
park and metal particles and wire end can hurt your eyes
4
4
4) TECHNICAL DATA
4.1) THOR without Fan
TECHNICAL CHARACTERISTICS
Current range (A)
Open circuit voltage (V)
70 - 450 A
71 - 76 V
380A/35V @ 60%
450A/38V @ 35%
Input Rating 50Hz U1 230
400
144A
86A
170A
100A
Input Rating 60Hz U1 220
380
440
140A
82A
70A
164A
93A
82A
Insulation Class H
Enclosure Class IP23
Weight (Kg) 145
I1
I1
106A
62A
98A
57A
49A
Duty Cycle
U
I
2) TECHNICAL DESCRIPTION
THOR are a modern welding transformer for industry or shipyard. They have good welding
characteristics and a wide current range, 70 - 450 A at 35% duty cycle for THOR without Fan and 70 -
450 A at 60% duty cycle for THOR with Fan, which permits welding with a large number of different
types of electrode including basic, with diameters of 2.0 to 6.0 mm.
THOR without Fan is a convenction cooled and THOR with Fan is a fan cooled. They are single phase
transformers connected to a power socket between two phases.
The welding current is continuosly adjustable within the range by means of a hand crank on the cover plate.
An indicator on the front of the transformer shows the set welding current.
The transformers have a movable leakage core. By varying the magnetic field by means of this leakage
core, adjustment of welding current is stepless.
The transformers cases are made of galvanized enamelled sheet steel and are so designed that the
transformers can be used outdoors irrespective of the weather whitout extra protection.
For mobility in the workshop the transformers have two solid rubber wheels and handle.For transport with a
crane or travers there are two generously dimensioned lifting eyes on the top of the transformers.
3) DUTY CYCLE
Duty cycle is the ratio of the time that a welding machine can provide the maximum weldind current
(charge time) to a reference time; in according to international standards, reference time is 10 minutes.
Example:The nominal duty cycle of 60% means that a machine can repetedly provide its nominal welding
current during periods of 6 minutes (charge), followed bya4minuterest ( the machine does not provide
welding current ) (6+4= 10 min.). This process is repetedly done so that the temperature of its internal
components does not exceed the limits stated in the project.The same goes for any value of duty cycle.
The dudy cycle of 100% means that the machine can provide specified welding current non-stop, in other
words, with no need to rest.
In a welding machine, the allowed duty cycle increases up 100 % as the used welding current decrases;
inversely, the alowed duty cycle decreases as the welding current incrases up to its maximum range.
THOR
5
THOR
5) INSTALLATION
They are a single-phase welding transformer, to be connected across two input phases.The main cable is
connected to the circuit breaker. The primary terminal is reconnectable for different input voltages. The
electrical diagram shows the different voltage connections procedures. Remove the cover and change the
primary connections as show at the electrical diagram.
Recommended cable areas and fuses ratings are listed below.
Connected the transformer across two input phases and ground connection according to regulations.
31
160
220
3 x 50
140
Rating (kVA) for 60% duty cycle
Fuse, slow-blow (A) or Circuit-breaker (A)
Voltage V
Cable (mm )
2
Primary current (A) for 60% duty cycle
34,5
160
230
3 x 50
144
31
100
380
3 x 35
82
34,5
100
400
3 x 35
86
31
80
400
3 x 35
70
36
190
220
3 x 70
164
40
190
230
3 x 70
170
36
115
380
3 x 50
93
40
115
400
3 x 50
100
36
100
440
3 x 50
82
4.2) THOR with Fan
Current range (A)
Open circuit voltage (V)
70 - 450A
71 - 76 V
380A/35V @ 100%
450A/38V @ 60%
Input Rating 50Hz U1 230
400 I1 144A
86A
170A
100A
Input Rating 60Hz U1 I1
220
380
440
140A
82A
70A
164A
93A
82A
Insulation Class H
Enclosure Class IP23
Weight (Kg) 150
Duty Cycle
U
I
Rating (kVA) for 60% duty cycle
Fuse, slow-blow (A) or Circuit-breaker (A)
Voltage V
Cable (mm )
2
Primary current (A) for 60% duty cycle
MAINS CONNECTION THOR WITHOUT FAN
MAINS CONNECTION THOR WITH FAN
TECHNICAL CHARACTERISTICS
6.2) Electrical Diagram
6
7) MAINTENANCE AND SERVICE
The transformers require a minimum of maintenance. Under normal conditions, it is sufficient to blow the
transformer clean with dry compressed air with reduced pressure once a year. If used in a dusty and dirty
areas, it must be cleaned more often.
Spare parts for the transformers can be ordered from your local representative .
6) OPERATION
1) Connect the welding and return cable to the sockets at the bottom of the front panel.
2)Turn the circuit switch to“1”there by connecting the transformer to the mains the pilot lamp lights up.
3) Make sure that the air inlets are not blocked.
4) Adjust desired welding current setting with the crank on the top the transformer.
Only for THOR WITH FAN
THOR
7
THOR
8) SPARE PARTS
CRANK
0901542
HANDLE
0900899
COVER
0900700
REAR PANEL
0903960
CABLE INLET
0902339
RIGHT SIDE
0902831
CHASSI
0903166
WHEEL
0901521
SWITCH
0901512
PILOT
LAMP
0902919
LEFT SIDE
0902831
FRONT PANEL
CABLE CONNECTOR
0901884
0903185
8
SECONDARY
COIL
0900201 SECONDARY
COIL
0900868
PRIMARY COIL
0903930
TERMINAL
BLOCK
0901532
CORE YOKE WITH
SCREW, COMPLETE
0903184
GUIDE
0903932
YOKE (2x)
0903958
INDICATOR
0903923
LEAKAGE CORE
0900420
SPRING
0901535
YOKE (1x)
0902732 YOKE (2x)
0900687
THOR
9
THOR
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( ) THOR (WITH FAN)
Dear Customer,
We kindly ask you to fill in the above form and mail it to ESAB We want to know you better and thus service
and offer technical services to you with ESAB high quality standards.
Please mail to:
ESAB S.A.
Rua Zezé Camargos, 117 - Cidade Industrial
Contagem - Minas Gerais - Brasil
CEP:32.210-080
Fax:(31) 3369-4440
Att:Departamento de Controle de Qualidade
WARRANTY CERTIFICATE
Customer Information
Company: __________________________________________________________________________
Address: ________________________________________________________________________
Telephone: (___) ____________ Fax: (___) ____________ E-mail: _____________________
Observations: ______________________________________________________________________
__________________________________________________________________________________
Serial Number:
Model:
Serial Number:
Model:
Observations: __________________ Receipt Number: ____________________________
( ) THOR (WITHOUT FAN)
( ) THOR (WITH FAN)
( ) THOR (WITHOUT FAN)
THOR
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