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Notice   NOT 020 

THERMAL ARC 155 SE 

Rev : 02 

Date : 25/10/06 

 

DESCRIPTION 

 

 

USER’S MANUAL 

Page 

14/22

 

 

 
 

For ambient temperature : 40°C 

 

THERMAL ARC 155 SE 

110 V 

230 V 

 
PRIMARY

 

Single phased power supply

 

V 110 

(+/- 13%)

 230 

(+/- 13%)

 

Frequency

 

Hz 50/60 

Maximum primary current

 

A 32 

23 

Maximum power consumption

 

kVA 3,7 

5,3 

Power factor (cos Ø)

 

 0,98 

 
SECONDARY 

Off load voltage 

50-60 

Welding current range 

3-120 

3-150 

Welding current at   35 % 

150 

Welding current at   60 % 

130 

Welding current at   100 % 

110 

110 

Protection factor 

 IP 

23 

Insulation class 

 H 

Approvals 

 

EN 60974-1 / EN 60974-10 

Weight kg 6,2 

Dimensions L x W x H 

mm 

327 x 152 x 243 

 
 
 
 

NOTE : 
When the machine is supplied in 110V, the welding current is limited to 120A 

 
 
 

Summary of Contents for 155 SE

Page 1: ...THERMAL ARC 155 SE USER S MANUAL...

Page 2: ...ars if you respect all the operating and maintenance instructions given in this manual We strongly suggest you read very carefully chapters concerning safety and individual protection before using thi...

Page 3: ...ding 8 1 2 2 5 Earthing of the workpiece 8 1 2 2 6 Screening and shielding 8 2 ELECTRIC SAFETY 8 2 1 CONNECTION OF THE WELDING POWER SOURCE TO THE NETWORK 8 2 2 WORKING AREA 9 2 3 INTERVENING 9 2 4 MA...

Page 4: ...6 CONNECTION TO THE MAIN SUPPLY 15 7 CONNECTION TO THE GROUND 15 8 PRELIMINARY PRECAUTIONS 15 USING 16 9 DESCRIPTION OF THE FRONT PANEL 16 10 DESCRIPTION OF THE BACK PANEL 16 11 WELDING 17 MAINTENANC...

Page 5: ...the manufacturer are not included in the guarantee Guarantee covers free of charge replacement of parts which have been admittedly defective transport included Every part replaced under guarantee will...

Page 6: ...object of this manual complies with the following European regulations Electromagnetic compatibility Rule 89 336 EEC of 3 05 89 modified by rules 92 31 EEC of 28 04 1992 and 93 68 EEC of 22 07 1993 Lo...

Page 7: ...es signalling and telephone cables above below and adjacent to the arc welding equipment b Radio and television transmitters and receivers c Computer and other control equipment d Safety critical equi...

Page 8: ...r connected to earth because of its size and position e g ships hull or building steelwork a connection bonding the workpiece to earth may reduce emissions in some but not all instances Care should be...

Page 9: ...d 14 12 1988 Art 4 2 3 INTERVENING Before carrying out any internal checking or repair work check that the power source has been separated from the electrical installation by locking and guard devices...

Page 10: ...he additional advantage to protect the operator against burns caused by hot pieces and spatter This protective equipment should be kept in good order and checked on a regular basis 3 1 2 FACE AND EYES...

Page 11: ...uring the welding process can be dangerous and hazardous to your health Arc welding works have to be carried out in suitable ventilated areas Ventilation must be adequate to remove gases and fumes dur...

Page 12: ...sed combustible gaseous mixtures These are very light gases In the case of leaks they collect under the ceiling Provide for ventilation at ceiling level These are also inflammable gases The flame of h...

Page 13: ...namic control of the welding current the specific protection of power components a high power in a small space at a very low power consumption THERMAL ARC 155 SE unit allows 2 possibilities of power s...

Page 14: ...rrent A 32 23 Maximum power consumption kVA 3 7 5 3 Power factor cos 0 98 SECONDARY Off load voltage V 50 60 Welding current range A 3 120 3 150 Welding current at 35 A 150 Welding current at 60 A 130...

Page 15: ...e operator s safety 7 CONNECTION TO THE GROUND For the operator s protection the power source must be correctly grounded according to the International Protections Norms It is absolutely necessary to...

Page 16: ...S MANUAL Page 16 22 9 DESCRIPTION OF THE FRONT PANEL REPERE DESIGNATION F1 Welding current knob F2 Power terminal F3 Warning indicator F4 Power ON indicator F5 Power terminal 10 DESCRIPTION OF THE BA...

Page 17: ...o the electrode polarity being used refer to the electrodes manufacturer s datasheets Start up the power source with the switch ON OFF B2 When you start the power source the orange indicator F3 illumi...

Page 18: ...m the mains Voltages are high and dangerous inside the machine In spite of their robustness THERMAL ARC power sources require some regular maintenance Once every 6 months more often in dusty surroundi...

Page 19: ...k back frame 2 V01002 Fan 12Vdc supply 3 B05025 ON OFF main switch 4 I05801 Chassis 5 I05812 Black front frame 6 E10207 TH Main PCB 7 T18107 Complete inductor 8 I05831 Cover 9 B00011 TH Front fascia 1...

Page 20: ...ont panel potentiometer corresponding to pin 1 2 and 3 of J6 connector 15 TROUBLE SHOOTING POSSIBLE CAUSES CHECKING REMEDY GREEN AND ORANGE INDICATORS OFF NO SUPPLY ON OFF main switch is OFF Put the s...

Page 21: ...16 WIRING DIAGRAM...

Page 22: ...ermadyne Industries Ltd Italia Milan Italy Tel 39 039 204 991 Fax 39 039 204 9922 PTA Plasmatechnik Germany Westerburg Germany Tel 49 2663 915666 Fax 49 2663 915667 THERMADYNE INDUSTRIES reserve the r...

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