ESAB LHF 400 Instruction Manual Download Page 10 | Manualshive

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LHF 400, LHF 630, LHF 800

Edition 070108

-- 10 --

lhf_or

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

400/415/500V 50Hz, 440/550V 60Hz

0319 950 886 LHF 630 Offshore

400/415/500V 50Hz, 440/550V 60Hz

0319 951 884 LHF 800 Offshore

400/415/500V 50Hz, 440/550V 60Hz

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Summary of Contents for LHF 400

Page 1: ...Valid for serial no 318 318 329 0349 301 080 070108 LHF 400 LHF 630 LHF 800 Instruction manual ...

Page 2: ...ECTIVE 3 2 SAFETY 3 3 INTRODUCTION 5 4 TECHNICAL DATA 5 5 INSTALLATION 6 5 1 Connecting to mains 6 6 OPERATION 7 6 1 Controls and connections 7 7 MAINTENANCE 8 8 ORDERING OF SPARE PARTS 8 ASSEMBLY INSTRUCTIONS 9 DIAGRAM 12 ...

Page 3: ...nel well acquainted with the operation of the welding equipment Incorrect operation of the equipment may lead to hazardous situations which can result in injury to the operator and damage to the equipment 1 Anyone who uses the welding equipment must be familiar with S its operation S location of emergency stops S its function S relevant safety precautions S welding 2 The operator must ensure that ...

Page 4: ...protective clothing S Protect bystanders with suitable screens or curtains FIRE HAZARD S Sparks spatter can cause fire Make sure therefore that there are no inflammable materials nearby NOISE Excessive noise can damage hearing S Protect your ears Use earmuffs or other hearing protection S Warn bystanders of the risk MALFUNCTION Call for expert assistance in the event of malfunction PROTECT YOURSEL...

Page 5: ...6 1 2 minutes after welding has stopped to ensure adequate cooling of the rectifier 4 TECHNICAL DATA LHF 400 LHF 630 LHF 800 Maximum load 35 duty cycle 400 A 36 V 630 A 44 V 800 A 44 V 60 duty cycle 315 A 33 V 500 A 40 V 630 A 44 V 100 duty cycle 250 A 30 V 400 A 36 V 500 A 40 V Setting range 8A 20V 400A 36V 8A 20V 630A 44 49 V 8A 20V 800A 44 50 V Open circuit volt 80 87 V 65 72 V 65 72 V Open cir...

Page 6: ...e mains S See Connecting to mains for cable rating and fuse rating S Connect the mains cable to the rectifier according to the relevant regulations and install a suitable fuse in the main fuse box S Make sure the welding rectifier is not covered or positioned so that cooling is obstructed 5 1 Connecting to mains LHF 400 LHF 630 LHF 800 Frequency 50 Hz 50 Hz 50 Hz Voltage 400 415 500 V 400 415 500 ...

Page 7: ...turn cables and connect them to the terminals marked and on the front of the rectifier Connect the return cable to the work piece S The rectifier is now ready for welding 6 1 Controls and connections 1 On Off 2 White lamp power on 3 Method selector switch 4 Arc air gouging 5 MMA 6 TIG 7 Current setting 8 Remote switch 9 Remote socket 10 Yellow lamp thermal cut out The yellow lamp comes on when the...

Page 8: ...year If the power source is very dirty brushing and vacuuming are recommended S Disconnect the welding power source from the mains current supply S Remove the adapter from the socket Lock the socket to prevent unauthorised connection At fixed installations the safety switch should be set to the off position Lock the switch S Remove the power source s safety plates for best access After cleaning al...

Page 9: ...Assembly instructions 9 bh10a12a bh10d002 ...

Page 10: ... 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 630 400 415 500V 50Hz 440 550V 60Hz 0319 950 886 LHF 630 Offshore 400 415 500V 50Hz 440 550V 60Hz 0319 951 884 LHF 800 Offshore 400 415 500V 50Hz 440 550V 60Hz ...

Page 11: ... 11 document ...

Page 12: ...Diagram 12 bh10e12a Prim 400 ...

Page 13: ... 13 bh10e12a Sek 400 ...

Page 14: ... 14 bh10e12a Prim 630 800 ...

Page 15: ... 15 bh10e12a Sek 630 800 ...

Page 16: ... 92 22 ESAB international AB Gothenburg Tel 46 31 50 90 00 Fax 46 31 50 93 60 SWITZERLAND ESAB AG Dietikon Tel 41 1 741 25 25 Fax 41 1 740 30 55 North and South America ARGENTINA CONARCO Buenos Aires Tel 54 11 4 753 4039 Fax 54 11 4 753 6313 BRAZIL ESAB S A Contagem MG Tel 55 31 2191 4333 Fax 55 31 2191 4440 CANADA ESAB Group Canada Inc Missisauga Ontario Tel 1 905 670 02 20 Fax 1 905 670 48 79 ME...

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