ESAB LHF 400 Instruction Manual
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LHF 400, LHF 630
LHF 800
Instruction manual
0349 301 080
070108
Valid for serial no. 318, 318, 329

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Summary of Contents for ESAB LHF 400

  • Page 1 LHF 400, LHF 630 LHF 800 Instruction manual 0349 301 080 070108 Valid for serial no. 318, 318, 329...
  • Page 2: Table Of Contents

    ENGLISH 1 DIRECTIVE ............2 SAFETY .
  • Page 3: Directive

    ESAB Welding Equipment AB, S--695 81 Laxå, Sweden, gives its unreserved guarantee that welding power source LHF 400 / LHF 630 / LHF 800 from serial number 318/318/329 complies with standard IEC/EN 60974--1, in accordance with the requirements of directive (73/23/EEC) and addendum (93/68/EEC) and with standard EN 60974--10 in accordance with the requirements of directive (89/336/EEC) and addendum (93/68/EEC).
  • Page 4 MALFUNCTION - - Call for expert assistance in the event of malfunction. READ AND UNDERSTAND THE INSTRUCTION MANUAL BEFORE INSTALLING OR OPERATING. PROTECT YOURSELF AND OTHERS! ESAB can provide you with all necessary welding protection and accessories. WARNING! Do not use the power source for thawing frozen pipes.
  • Page 5: Introduction

    INTRODUCTION LHF 400/630/800 are thyristor controlled welding rectifiers designed for welding with coated electrodes and TIG welding. The welding rectifiers can be used with the following remote control devices: PHA 1, PHA 2, PHA 5, PHB 1, PHB 2, och PHC 2.
  • Page 6: Installation

    The installation must be executed by a professional. Note! Connect the power source to the electricity mains with a network impedance of 0.256 (LHF 400), 0.127 (LHF 630) or lower. If the network impedance is higher, there is a risk of flicker in the illuminators.
  • Page 7: Operation

    OPERATION Set switch (1) to position ”I”. The white lamp (2) will light and the fan will start. Select the welding method using the toggle switch (3). Adjust the welding current using the knob (7) on the front, and set the toggle switch (8) to the position nearest the socket.
  • Page 8: Maintenance

    ORDERING OF SPARE PARTS LHF 400, LHF 630, LHF 800 is designed and tested in accordance with the international and European standards IEC/EN 60974- -1 and EN 60974- -10. It is the obligation of the service unit which has carried out the service or repair work to make sure that the pro- duct still conforms to the said standard.
  • Page 9: Assembly Instructions

    Assembly instructions bh10d002 - - 9 - - bh10a12a...
  • Page 10 LHF 400, LHF 630, LHF 800 Valid for serial no. 318, 318, 329- -XXX- -XXXX Ordering numbers 0319 783 882 LHF 400 400/415/500V 50Hz, 440/550V 60Hz 0319 783 886 LHF 400 Offshore 400/415/500V 50Hz, 440/550V 60Hz 0319 950 882 LHF 630...
  • Page 11 - - 11 - - document...
  • Page 12: Diagram

    Diagram Prim. 400 - - 12 - - bh10e12a...
  • Page 13 Sek. 400 - - 13 - - bh10e12a...
  • Page 14 Prim. 630/800 - - 14 - - bh10e12a...
  • Page 15 Sek. 630/800 - - 15 - - bh10e12a...
  • Page 16 ESAB subsidiaries and representative offices Europe Asia/Pacific Representative offices NORWAY AS ESAB AUSTRIA BULGARIA CHINA Larvik ESAB Ges.m.b.H ESAB Representative Office Shanghai ESAB A/P Tel: +47 33 12 10 00 Vienna- -Liesing Sofia Shanghai Fax: +47 33 11 52 03...

This manual is also suitable for:

Lhf 630Lhf 800

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