ESAB LAW 420, LAW 520 Manuale utente

Marca: ESAB

Modello: LAW 420, LAW 520

Categoria: Sistema di saldatura

Tipo: Manuale utente

Questo manuale è adatto anche per

Valid for serial no. 912--xxx--xxxx0458 133 027 011109

LAW 420, LAW 520,

LAW 420W, LAW 520W

Instruction manual Èíñòðóêöèÿ ïî ýêñïëóàòàöèè

-- 2 --

Rights reserved to alter specifications without notice.

Îñòàâëÿåì çà ñîáîé ïðàâî èçìåíÿòü ñïåöèôèêàöèþ áåç ïðåäóïðåæäåíèÿ.

Ðóññêèé 3...............................................

ENGLISH 11..............................................

Ðóññêèé

TOCr

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1 ÒÅÕÍÈÊÀ ÁÅÇÎÏÀÑÍÎÑÒÈ 4........................................

2 ÂÂÅÄÅÍÈÅ 4.......................................................

3 ÒÅÕÍÈ×ÅÑÊÈÅ ÄÀÍÍÛÅ 5..........................................

4ÓÑÒÀÍÎÂÊÀ 6.......................................................

4.1 Ñáîðêà óñòàíîâêè 7........................................................

4.2 Ïîäêëþ÷åíèå óñòàíîâêè 8..................................................

4.3 Ïîäñîåäèíåíèå ê ýëåêòðè÷åñêîé ñåòè 9.....................................

5ÝÊÑÏËÓÀÒÀÖÈßÓÑÒÀÍÎÂÊÈ 9......................................

5.1 Óïðàâëåíèÿ è ðàçú¸ìû 9...................................................

6 ÎÁÑËÓÆÈÂÀÍÈÅ 10.................................................

6.1 Çàëèâêà îõëàæäàþùåé æèäêîñòè 10.........................................

7 ÇÀÊÀÇ ÇÀÏÀÑÍÛÕ ×ÀÑÒÅÉ 10.......................................

ÑÕÅÌÀ 18..............................................................

ÑÏÈÑÎÊ ÇÀÏÀÑÍÛÕ ×ÀÑÒÅÉ 23........................................

ÄÎÏÎËÍÈÒÅËÜÍÛÅ ÏÐÈÍÀÄËÅÆÍÎÑÒÈ 34...........................

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1 ÒÅÕÍÈÊÀ ÁÅÇÎÏÀÑÍÎÑÒÈ

Ïåðåä íà÷àëîì ìîíòàæà è ýêñïëóà òàöèè âíèìàòåëüíî èçó÷èòå ñîî òâåòñòâóþùèå èíñòðóêöèè.

ÇÀÙÈÒÈÒÅ ÑÅÁß È ÄÐÓÃÈÕ!

ÎÑ ÒÎÐÎÆÍÎ!

ÄÓÃÎ

Àß Ñ

ÀÐÊÀ È ÐÅÇÊÀ ÎÏÀÑÍÛ ÊÀÊ ÄËß ÈÑÏÎ ËÍÈÒÅËß ÐÀÁÎÒ, ÒÀÊ È ÄËß

ÏÎÑÒ ÎÐÎÍÍÈÕ ËÈÖ. ÒÐÅÁÓÉÒÅ ÑÎÁËÞÄÅÍÈÅ

ÑÅÕ ÏÐÀ

ÈË ÁÅÇÎÏÀÑÍÎÑÒÈ,

ÄÅÉÑÒ

ÓÞÙÈÕ ÍÀ ÎÁÚÅÊÒÅ, ÊÎÒÎÐÛÅ ÄÎËÆÍÛ Ó×ÈÒÛ

ÀÒÜ Ñ

ÅÄÅÍÈß ÎÁ ÎÏÀÑÍÎÑÒßÕ,

ÏÐÅÄÑÒÀ

ËÅÍÍÛÅ ÈÇÃÎÒÎ

ÈÒÅËÅÌ Ñ

ÀÐÎ×ÍÎÃÎ ÎÁÎÐÓÄÎ

ÀÍÈß.

ÎÏÀÑÍÎÑÒÜ ÑÌÅÐÒÅËÜÍÎÃÎ ÏÎÐÀÆÅÍÈß ÝËÅÊÒÐÈ×ÅÑÊÈÌ ÒÎÊÎÌ.

S Ñâàðî÷íûé àãðåãàò óñòàíàâëèâàåòñÿ è çàçåìëÿåòñÿ â ñîîòâåòñòâèè ñ äåéñòâóþùèìè íîðìàìè è

ïðàâèëàìè.

S Íå äîïóñêàéòå êîíòàêòà íàõîäÿùèõñÿ ïîä íàïðÿæåíèåì äåòàëåé è ýëåêòðîäîâ ñ íåçàùèùåííûìè

÷àñòÿìè òåëà, ìîêðûìè ðóêàâèöàìè è ìîêðîé îäåæäîé.

S Îáåñïå÷üòå ýëåêòðè÷åñêóþ èçîëÿöèþ îò çåìëè è ñâàðèâàåìûõ äåòàëåé.

S Îáåñïå÷üòå ñîáëþäåíèå áåçîïàñíûõ ðàáî÷èõ ðàññòîÿíèé.

ÄÛÌÛ È ÃÀÇÛ ìîãóò áûòü îïàñíû äëÿ ÷åëîâåêà

S Èñêëþ÷èòå âîçìîæíîñòü âîçäåéñòâèÿ äûìîâ.

S Äëÿ èñêëþ÷åíèÿ âäûõàíèÿ äûìîâ âî âðåìÿ ñâàðêè îðãàíèçóåòñÿ îáùàÿ âåíòèëÿöèÿ ïîìåùåíèÿ, à

òàêæå âûòÿæíàÿ âåíòèëÿöèÿ èç çîíû ñâàðêè.

ÈÇËÓ×ÅÍÈÅ ÄÓÃÈ âûçûâàåò ïîðàæåíèå ãëàç è îæîãè êîæè.

S Çàùèòèòå ãëàçà è êîæó. Äëÿ ýòîãî èñïîëüçóéòå çàùèòíûå ùèòêè, öâåòíûå ëèíçû è çàùèòíóþ

ñïåöîäåæäó.

S Äëÿ çàùèòû ïîñòîðîííèõ ëèö ïðèìåíÿþòñÿ çàùèòíûå ýêðàíû èëè çàíàâåñè.

ÏÎÆÀÐÎÎÏÀÑÍÎÑÒÜ

S Èñêðû (áðûçãè ìåòàëëà) ìîãóò âûçâàòü ïîæàð. Óáåäèòåñü â îòñóòñòâèè ãîðþ÷èõ ìàòåðèàëîâ

ïîáëèçîñòè îò ìåñòà ñâàðêè.

∅ÓÌ - ×ðåçìåðíûé øóì ìîæåò ïðèâåñòè ê ïîâðåæäåíèþ îðãàíîâ ñëóõà

S Ïðèìèòå ìåðû äëÿ çàùèòû ñëóõà. Èñïîëüçóéòå çàòû÷êè äëÿ óøåé èëè äðóãèå ñðåäñòâà çàùèòû

ñëóõà.

S Ïðåäóïðåäèòå ïîñòîðîííèõ ëèö îá îïàñíîñòè.

ÍÅÈÑÏÐÀ

ÍÎÑÒÈ - - Ïðè íåèñïðàâíîñòè îáðàòèòåñü ê ñïåöèàëèñòàì ïî ñâàðî÷íîì ó

îáîðóäîâàíèþ

2 ÂÂÅÄÅÍÈÅ

LAW 420, 420W, 520 è 520W ÿâëÿþòñÿ 6-òè èìïóëüñíûìè òèðèñò îðíûìè

âûïðÿìèòåëÿìè, ïðåäíàçíà÷åííûìè äëÿ ïîëóàâòîìàòè÷åñêîé ñâàðêè.

Îáà âûïðÿìèòåëÿ èìåþò âåíòèëÿòîð âîçäóøíîãî îõëàæäåíèÿ è îáîðóäîâàíû

òåïëîâîé çàùèòîé îò ïåðåãðóçêè.

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3 ÒÅÕÍÈ×ÅÑÊÈÅ ÄÀÍÍÛÅ

LAW 420/420W LAW 420/420W

Íàïðÿæåíèå 400-415V, 3~50Hz 230/400-415/500V, 3~50 Hz

230/440-460V, 3~60 Hz

Äîïóñòèìàÿ íàãðóçêà ïðè

ÏÂ 100%

280 A/28 V 280 A/28 V

ÏÂ 60% 350 A/32 V 350 A/32 V

ÏÂ 45% 400 A/34 V 400 A/34 V

Ïðåäåëû ðåãóëèðîâàíèÿ 60 A/17(12)V-400 A/34 V 60 A/17(12)V-400 A/34 V

Íàïðÿæåíèå õîëîñòîãî õîäà 53-58 V 53-58 V

Ìîùíîñòü õîë. õîäà 590/790 W 640/840 W

ÊÏÄ 0,74 0,76

Ôàêòîð ìîùíîñòè 0,86 0,84

Óïðàâëÿþùåå íàïðÿæåíèå 42 V, 50/60 Hz 42 V,50/60 Hz

Ê ëàññ çàùèòû IP 23 IP 23

Ìàññà, êã 200/214 201/215

Êëàññ ïðèìåíåíèÿ 800x640x835 800x640x835

Ãàáàðèòû ÄõjõÂ

LAW 520/520W LAW 520/520W

Íàïðÿæåíèå 400-415V, 3~50 Hz 230/400-415/500V, 3~50 Hz

230/440-460V, 3~60 Hz

Äîïóñòèìàÿ íàãðóçêà

ïðè ÏÂ 100%

400 A/34 V 390 A/33,5 V

ïðè ÏÂ 80% 450 A/37 V 435 A/36 V

ïðè ÏÂ 60% 500 A/39 V 500 A/39 V

Ïðåäåëû ðåãóëèðîâàíèÿ 60 A/17(12)V-500 A/39 V 60 A/17(12)V-500 A/39 V

Íàïðÿæåíèå õîëîñòîãî õîäà 53-60 V 53-60 V

Ìîùíîñòü õîë. õîäà

670/870 W 720/920 W

ÊÏÄ 0,78 0,78

Ôàêòîð ìîùíîñòè 0,90 0,90

Óïðàâëÿþùåå íàïðÿæåíèå 42 V, 50/60 Hz 42 V,50/60 Hz

Ê ëàññ çàùèòû IP 23 IP 23

Ìàññà, êã 225/239 227/241

Ãàáàðèòû ÄõjõÂ 800x640x835 800x640x835

Ãàáàðèòû ÄõjõÂ

Ýòè ñâàðî÷íûå èñòî÷íèêè îòâå÷àþò òðåáîâàíèÿì IEÑ 974-1

Ðàáî÷èé öèêë

Ðàáî÷èé öèêë ïðåäñòàâëÿåò ñîáîé äîëþ (â %%) äåñÿòèìèíóòíîãî èíòåðâàëà, â òå÷åíèå

êîòîðîé ìîæíî ïðîèçâîäèòü ñâàðêó ïðè îïðåäåëåííîé íàãðóçêå áåç ïåðåãðóçêè

èñòî÷íèêà ïèòàíèÿ ñâàðî÷íîãî àãðåãàòà.

Êëàññ êîæóõà

Íîðìû IP óêàçûâàþò êëàññ êîæóõà, ò.å., ñòåïåíü çàùèòû îò ïðîíèêíîâåíèÿ òâåðäûõ

îáúåêòîâ è âîäû. Îáîðóäîâàíèå ñ ìàðêèðîâêîé IP 23 ïðåäíàçíà÷åíî äëÿ íàðóæíîé è

âíóòðåííåé óñòàíîâêè.

Ê ëàññ çîíû óñòàíîâêè

Ýòîò ñèìâîë îçíà÷àåò, ÷òî èñòî÷íèê ïèòàíèÿ ïðåäíàçíà÷åí äëÿ èñïîëüçîâàíèÿ â çîíàõ

ñ ïîâûøåííîé îïàñíîñòüþ ïîðàæåíèÿ ýëåêòðîòîêîì.

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4ÓÑÒÀÍÎÂÊÀ

Ââîä â ýêñïëóàòàöèþ äîëæåí ïðîèçâîäèòüñÿ êâàëèôèöèðîâàííûì

ñïåöèàëèñòîì.

Ïðè ïîäúåìå èñòî÷íèê ïèòàíèå êðåïèòñÿ ñ

ïîìîùüþ ñïåöèàëüíîé ïîäúåìíîé ñêîáû. Ðó÷êà

ïðåäíàçíà÷åíà òîëüêî äëÿ ïåðåìåùåíèÿ ïî

ïîâåðõíîñòè.

Èíñòðóêöèÿ ïî âûïîëíåíèþ

ïîäúåìíî-òðàíñïîðòíûõ ðàáîò

ÂÍÈÌÀÍÈÅ!

Íàñòîÿùåå èçäåëèå ïðåäíàçíà÷åíî äëÿ ïðîìûøëåííîãî èñïîëüçîâàíèÿ. Ïðè

èñïîëüçîâàíèè â á ûòîâûõ óñëîâèÿõ îíî ìîæåò ñîçäàâàòü ðàäèî÷àñòîòíûå ïîìåõè.

Ïîëüçîâàòåëü îòâå÷àåò çà ïðèíÿòèå ñîîòâåòñòâóþùèõ ìåð ïðåäîñòîðîæíîñòè.

ÂÀÆÍÎ !

S Óáåäèòåñü, ÷òî ñâàðî÷íûé âûïðÿìèòåëü íå íàêðûò èëè óñòàíîâëåí â òàêîì

ìåñòå, â êîòîðîì íåò ïðåïÿòñòâèé íîðìàëüíîìó îõëàæäåíèþ.

S Óáåäèòåñü, ÷òî âûïðÿìèòåëü ïîäê ëþ÷åí ê ïðàâèëüíîìó í àïðÿæåíèþ ñåòè.

Çàçåìëèòå åãî ñîãëàñíî ñîîòâåòñòâóþùèì òðåáîâàíèÿì.

S Ïîäñîåäèíèòå êàáåëü ïèòàíèÿ àïïàðàòà, èñïîëüçóÿ ïðåäîõðàíèòåëè,

ñîîòâåòñòâóþùèå ìåñòíûì íîðìàì.

Ñåòåâîé êàáåëü ñîîòâåòñòâóåò øâåäñêèì íîðìàì.

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4.1

Ñáîðêà óñòàíîâêè

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4.2 Ïîäêëþ÷åíèå óñòàíîâêè

ba11d002

LAW420/420W 4x10mm2

LAW520/520W 4x16mm2

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4.3 Ïîäñîåäèíåíèå ê ýëåêòðè÷åñêîé ñåòè

LA W 420 3~50 Hz 3~50 Hz 3~50 Hz 3~60 Hz 3~60 Hz

Íàïðÿæåíèå Â 230 400--415 500 230 440--460

Òîê, A

100%

39 23 19 37 22

60% 47 28 22 45 27

45% 51 31 25 51 30

Ñå÷åíèå êàáåëÿ 4x10 4x4 4x4 4x10 4x4

Ïðåäîõðàíèòåëè A 35 25 20 35 20

LA W 520 3~50 Hz 3~50 Hz 3~50 Hz 3~60 Hz 3~60 Hz

Íàïðÿæåíèå Â 230 400--415 500 230 440--460

Òîê, A

100%

59 35 27 56 33

80% 63 39 29 61 37

60% 69 41 33 69 42

Ñå÷åíèå êàáåëÿ 4x16 4x6 4x6 4x16 4x6

Ïðåäîõðàíèòåëè A 63 35 35 50 25

5ÝÊÑÏËÓÀÒÀÖÈßÓÑÒÀÍÎÂÊÈ

Îáùèå ïðàâèëà òåõíèêè áåçîïàñíîñòè ïðè ðàáîòå ñ îáîðóäîâàíèåì

ïðèâîäÿòñÿ íà ñòð. 4. Ïðî÷òèòå èõ äî èñïîëüçîâàíèÿ îáîðóäîâàíèÿ!

5.1 Óïðàâëåíèÿ è ðàçú¸ìû

S À-Âûêëþ÷àòåëüñåòè

S Â - Âûêëþ÷àòåëü ñèñòåìû îõëàæäåíèÿ

(LA W 420W/520W)

S C - Èíäèêàòîðíàÿ ëàìïà ïèòàíèÿ

S D - Èíäèêàòîðíàÿ ëàìïà ïåðåãðóçêè.

Âêëþ÷àåòñÿ ïðè ïåðåãðåâå

S Å - Ñâàðî÷íûå ðàçúåìû, êëåììà “+“

S F - Êëåììà èíäóêòèâíîñòè, êëåììà “-“

S G - Êëåììà èíäóêòèâíîñòè, êëåììà “-“

S Í - Ìåñòî óñòàíîâêè öèôðîâûõ ïðèáîðîâ (äîïîëíèòåëüíîå îáîðóäîâàíèå)

S J - Ìåñòî óñòàíîâêè öèôðîâûõ ïðèáîðîâ (äîïîëíèòåëüíîå îáîðóäîâàíèå)

Ïðè èñïîëüçîâàíèè àãðåãàòà ïîäà÷è ïðîâîëîêè ñ ïðîòèâîâåñîì âîçíèêàåò îïàñíîñòü

îïðîêèäûâàíèÿ.

Çàêðåïèòå îáîðóäîâàíèå, îñîáåííî ïðè óñòàíîâêå íà íåðîâíîé èëè íàêëîííîé

ïîâåðõíîñòè.

Ñ ïîìîùüþ ïðèëàãàåìûõ ëåíò îãðàíè÷üòå óãîë ïîâîðîò à àãðåãàòà ïîäà÷è ïðîâîëîêè.

Çàïðåù àåòñÿ ïåðåìåùàòü îáîðóäîâàíèå, äåðæà åãî çà ãîðåëêó.

ÎÑÒÎÐÎÆÍÎ!

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6 ÎÁÑËÓÆ ÈÂÀÍÈÅ

Ïðèìå÷àíèå:

Âñå ãàðàíòèéíûå îáÿçàòåëüñòâà ïîñòàâùèêà òåðÿþò ñèëó â ñëó÷àå ïîïûòêè

ïîêóïàòåëÿ ñàìîñòîÿòåëüíî óñòðàíèòü êàêóþ-ëèáî íåèñïðàâíîñòü ìàøèíû â

òå÷åíèå ãàðàíòèéíîãî ïåðèîäà.

Âûïðÿìèòåëü íåîáõîäèìî ðåãóëÿðíî îáäóâàòü ñæàòûì âîçäóõîì ïîä

íåáîëüøèì äàâëåíèåì. Åñëè âûïðÿìèòåëü ýêñïëóàòèðóåòñÿ â ïûëüíîì

ïîìåùåíèè îáäóâêó ñæàòûì âîçäóõîì íåîáõîäèìî ï ðîâîäèòü ÷àùå.

Íåñîáëþäåíèå ýòèõ ðåêîìåíäàöèé ìîæåò ïðèâåñòè ê çàñîðåíèþ

âåíòèëÿöèîííûõ îòâåðñòèé è ê ïåðåãðåâó.

6.1 Çàëèâêà îõëàæäàþùåé æèäêîñòè

Ñìåñü: 50% âîäû 50% ãëèêîëÿ

7 ÇÀÊÀÇ ÇÀÏÀÑÍÛÕ ×ÀÑÒÅÉ

Çàïàñíûå ÷àñòè çàêàçûâàþòñÿ ÷åðåç áëèæàéøåå ïðåäñòàâèòåëüñòâî ESAB,

à äðåñ êîòîðîãî ìîæíî íàéòè íà ïîñëåäíåé ñòðàíèöå îáëîæêè.

Ïðè çàêàçå çàïàñíûõ ÷àñòåé óêàæèòå òèï ìàøèíû è åå íîìåð, à òàêæ å

íàèìåíîâàíèå äåòàëè è åå íîìåð èç ïåðå÷íÿ çàïàñíûõ ÷àñòåé. Ýòî óïðîñòèò

äîñòàâêó è îáåñïå÷èò ïîëó÷åíèå òðåáóåìûõ çàïàñíûõ ÷àñòåé.

ENGLISH

-- 11 --

TOCe

1 DIRECTIVE 12........................................................

2SAFETY 12...........................................................

3 INTRODUCTION 12...................................................

4 TECHNICAL DATA 13.................................................

5 INSTALLATION 14....................................................

5.1 Assembly of components 14..................................................

5.2 Electrical installation 15.......................................................

5.3 Mains supply 16..............................................................

6 OPERATION 16.......................................................

6.1 Controls and connections 16...................................................

7 MAINTENANCE 17....................................................

7.1 Topping up coolant 17.........................................................

8 ORDERING OF SPARE PARTS 17......................................

DIAGRAM 18............................................................

SPARE PARTS LIST 23...................................................

ACCESSORIES 34.......................................................

-- 1 2 --

ba32d12e

1 DIRECTIVE

DECLARATION OF CONFORMITY

ESAB Welding Equipment AB, S--695 81 Laxå, Sweden, gives its unreserved guarantee that welding

power source LA W 420/520 -- 420/520W from serial number 912 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 50199 in accordance with the requirements of directive (89/336/EEC) and add-

endum (93/68/EEC).

-- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- --------

Paul Karlsson

Managing Director

Esab Welding Equipment AB

695 81 LAXÅ

SWEDEN Tel: + 46 584 81000 Fax: + 46 584 12336

Laxå 1999--04--22

2SAFETY

WARNING

READ AND UNDERSTAND THE INSTRUCTION MANUAL BEFORE INSTALLING OR OPERATING.

ARC WELDING AND CUTTING CAN BE INJURIOUS TO YOURSELF AND OTHERS. TAKE PRECAU-

TIONS WHEN WELDING. ASK FOR YOUR EMPLOYER’S SAFETY PRACTICES WHICH SHOULD BE

BASED ON MANUFACTURERS’ HAZARD DATA.

ELECTRIC SHOCK -- Can kill

S Install and earth the welding unit in accordance with applicable standards.

S Do not touch live electrical parts or electrodes with bare skin, wet gloves or wet clothing.

S Insulate yourself from earth and the workpiece.

S Ensure your working stance is safe.

FUMES AND GASES -- Can be dangerous to health

S Keep your head out of the fumes.

S Use ventilation, extraction at the arc, or both, to take fumes and gases away from your breathing zone

and the general area.

ARC RAYS -- Can injure eyes and burn skin.

S Protect y our eyes and body. Use the correct welding screen and filter lens and wear 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 y our ears. Use earmuffs or other hearing protection.

S Warn bystanders of the risk.

MALFUNCTION -- Call for expert assistance in the event of malfunction.

PROTECT YOURSELF AND OTHERS!

3 INTRODUCTION

The LAW 420, 420W, 520 and 520W are 6--pulse thyristor rectifiers designed for

semi--automatic welding.

Both rectifiers are fan--cooled and equipped with thermal overload protection.

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4 TECHNICAL DATA

LA W 420/420W LA W 420/420W

Voltage 400--415V, 3∼50Hz

230/400--415/500V, 3∼50Hz

230/440--460V, 3∼60Hz

Permissible load at

100% duty cycle

280 A/28 V 280 A/28 V

60% duty cycle 350 A/32 V 350 A/32 V

45% duty cycle 400 A/34 V 400 A/34 V

Setting range (DC) 40 A/16 V--400 A/34 V 40 A/16 V--400 A/34 V

Open circuit voltage 53--58 V 53--58 V

Open circuit power 590/790W 640/840W

Efficiency 0,74 0,76

Power factor 0,86 0,84

Control voltage 42 V, 50/60 Hz 42 V,50/60 Hz

Enclosure class IP 23 IP 23

Weight kg 200/214 201/215

Dimensions lxbxh 800x640x835 800x640x835

Application classification

LAW 520/520W LAW 520/520W

Voltage 400--415V, 3∼50Hz

230/400--415/500V, 3∼50Hz

230/440--460V, 3∼60Hz

Permissible load at

100% duty cycle

400 A/34 V 390 A/33,5 V

80% duty cycle 450 A/37 V 435 A/36 V

60% duty cycle 500 A/39 V 500 A/39 V

Setting range (DC) 40 A/16 V--500 A/39 V 40 A/16 V--500 A/39 V

Open circuit voltage 53--60 V 53--60 V

Open circuit power 670/870 W 720/920 W

Efficiency 0,78 0,78

Power factor 0,90 0,90

Control voltage 42 V, 50/60 Hz 42 V,50/60 Hz

Enclosure class IP 23 IP 23

Weight kg 225/239 227/241

Dimensions lxbxh 800x640x835 800x640x835

Application classefication

These welding power sources conform to the requirements of IEC 974--1.

Duty cycle

The duty cycle refers to the time as a percentage of a ten--minute period that you can weld at a cer-

tain load without overloading the welding power source.

Enclosure class

The IP code indicates the enclosure class, i. e. the degree of protection against penetration by solid

objects or water. Equipment marked IP 23 is designed for indoor and outdoor use.

Application class

The symbol indicates that the power source is designed for use in areas with increased

electrical hazard.

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5 I NSTALLATION

The in stallatio n must b e executed by a professional.

The power supply should be lifted by means of its lifting

eye. The handle is only intended for pulling it along the

ground.

Lifting instructions

WARNING!

This product is intended for industrial use. In a domestic environment this product may cause radio

interference. It is the user’s responsibility to take adequate precautions.

IMPORTANT

S Place the welding power source in a suitable place and make sure the welding

rectifier is not covered or set--up so that cooling is prevented.

S Make sure the welding rectifier is connected to the correct mains voltage.

Earth according to applicable directives.

S Connect the power supply lead using the appropriate fuse in conformance with

local regulations.

Power supply lead complies to Swedish electrical regulations.

5.1 Assembly of components

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5.2 Electrical installation

ba11d002

LAW420/420W 4x10mm@

LAW520/520W 4x16mm@

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5.3 Mains supply

LA W 420 3∼50 Hz 3∼50 Hz 3∼50 Hz 3∼60Hz 3∼60Hz

Voltage V 230 400--415 500 230 440--460

Current A

100%

39 23 19 37 22

60% 47 28 22 45 27

45% 51 31 25 51 30

Mains lead rating 4x10 4x4 4x4 4x10 4x4

Fuse, slow A 35 25 20 35 20

LA W 520 3∼50 Hz 3∼50 Hz 3∼50 Hz 3∼60Hz 3∼60Hz

Voltage V 230 400--415 500 230 440--460

Current A

100%

59 35 27 56 33

80% 63 39 29 61 37

60% 69 41 33 69 42

Mains lead rating 4x16 4x6 4x6 4x16 4x6

Fuse, slow A 63 35 35 50 25

6 OPERATION

General safety regulations for the handling of the equipment can be found on

page 12. Read through before you start using the equipment!

6.1 Controls and connections

S A-- On/Off mains supply.

S B-- On/Off cooling unit ( LAW 420W/520W)

S C-- Mains indicator lamp

S D-- Thermal overload warning lamp,

lights up in case of overheating

S E-- Welding socket, + terminal

S F-- Inductance socket, -- terminal

S G-- Inductance socket, -- terminal

S H-- Space for digital meters (optional)

S J-- Automatic fuse 42 V AC--circuit

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There is a risk of tipping if the wire feed cabinet is fitted with a counterbalance arm. Secure the

equipment, especially if used on an uneven or sloping surface.

Limit the angle of rotation of the wire feed cabinet using the straps supplied.

When moving the equipment, do NOT pull on the torch.

WARNING!

7 MAINTENANCE

Note:

All warranty undertakings given b y the supplier cease to apply if the customer

attempts to rectify any faults on the machine during the warranty period.

The power source should be regularly blown clean using dry compressed air at

reduced pressure. More frequently in dirty environments.

Otherwise the air inlet/outlet may become blocked and cause overheating.

7.1 Topping up coolant

Mix: 50 % water 50 % glycol

8 ORDERING OF SPARE PAR TS

Spare parts are ordered through your nearest ESAB representative, see back cover.

When ordering spare parts, please state machine type and number as well as desig -

nation and spare part number as shown in the spare parts list.

This will simplify dispatch and ensure you get the right part.

Diagram Ñõåìà

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400--415V

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400--415 V

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230 -- 500V

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ESAB LAW 420, LAW 520 Manuale utente

Marca: ESAB

Modello: LAW 420, LAW 520

Categoria: Sistema di saldatura

Tipo: Manuale utente

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