ESAB Caddy® 250 Manuale utente
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Valid for Serial NO 747 XXX--XXXX0457 552 027 99.01.09
Caddy 250
LHN 250
104
Èíñòðóêöèÿ ïî ýêñïëóàòàöèè
Instruction manual
-- 2 --
Rights reserved to alter specifications without notice.
Îñòàâëÿåì çà ñîáîé ïðàâî èçìåí ÿòü ñïåöèôèêàöèþ áåç ïðåäóïðåæäåí è ÿ.
Ðóññêèé 3...............................................
ENGLISH 9..............................................
Ðóññêèé
TOCr
-- 3 --
1 ÒÅÕÍÈÊÀ ÁÅÇÎÏÀÑÍÎÑÒÈ 4........................................
2 ÂÂÅÄÅÍÈÅ 4.......................................................
2.1 Òåõíè÷åñê èå äàííûå 5......................................................
2.2 Ñîñòàâ îáîðóäîâàíèÿ 6....................................................
2.3 Îáëàñòü ïðèìåíåíèÿ 6.....................................................
3ÓÑÒÀÍÎÂÊÀ 6......................................................
ÂÍÈÌÀÍÈÅ 6....................................................................
3.1 Ðàáî÷åå ìåñòî 6..........................................................
3.2 Ïîäêëþ÷åíèå 6...........................................................
4 ÐÀÁÎÒÀ ÓÑÒÀÍÎÂÊÈ 7..............................................
4.1 Âê ëþ÷åíèå óñòàíîâêè 7....................................................
4.2 Çàùèòà îò ïåðåãðóçîê 7....................................................
5 Òåõíè÷åñêîå îáñëóæèâàíèå 7.......................................
5.1 ×èñòêà 7...................................................................
6 ÄÈÀÃÍÎÑÒÈÊÀ ÍÅÈÑÏÐÀÂÍÎ ÑÒÅÉ 8...............................
6.1 Âîçìîæíûå íåèñïðàâíîñòè è ìåðû ïî èõ óñòðàíåíèþ 8.....................
7 ÇÀÊÀÇ ÇÀÏÀÑÍÛÕ ×ÀÑÒÅÉ 8......................................
8 Äîïîëíèòå ëüíûå ïðèíàäëåæíîñòè 8................................
ÑÕÅÌÀ 15..............................................................
ÑÏÈÑÎÊ ÇÀÏÀÑÍÛÕ ×ÀÑÒÅÉ 16........................................
bh21d02r -- 4 --
1 ÒÅÕÍÈÊÀ ÁÅÇÎÏÀÑÍÎÑÒÈ
ÏÐÎ×ÒÈÒÅ È ÏÎÉÌÈÒÅ ÈÍÑÒÐÓÊÖÈÞ ÏÎ ÝÊÑÏËÓÀÒÀÖÈÈ ÏÅÐÅÄ ÒÅÌ, ÊÀÊ ÏÎÄÊËÞ×ÈÒÜ
ÎÁÎÐÓÄÎÂÀÍÈÅ È ÍÀ× ÀÒÜ ÐÀÁÎÒÓ
ÇÀÙÈÒÈÒÅ ÑÅÁß È ÎÊÐÓÆÀÞÙÈÕ !
ÏÐÅÄÓÏÐÅÆÄÅÍÈÅ !
ÄÓà ÎÂÀß ÑÂÀÐÊÀ È ÐÅÇÊÀ ÌÎÃÓÒ ÏÐÈ×ÈÍÈÒÜ ÂÐÅÄ ÂÀÌ È ÎÊÐÓÆÀÞÙÈÌ. ÏÐÈÌÈÒÅ
ÍÅÎÁÕÎ ÄÈÌÛÅ ÌÅÐÛ ÁÅÇÎÏÀÑÍÎÑÒÈ ÏÐÈ ÏÐÎÂÅÄÅÍÈÈ ÑÂÀÐÎ×ÍÛÕ ÐÀÁÎÒ.
ÎÇÍÀÊÎÌÜÒÅÑÜ Ñ ÒÅÕÍÈÊÎÉ ÁÅÇÎÏÀÑÍÎÑÒÈ, ÐÀÇÐÀÁÎ ÒÀÍÍÎÉ ÍÀ ÂÀjÅÌ ÏÐÅÄÏÐÈßÒÈÈ.
ÏÎÐÀÆÅÍÈÅ ÝËÅÊÒÐÈ×ÅÑÊÈÌ ÒÎÊÎÌ ÎÏÀÑÍÎ ÄËß ÆÈÇÍÈ !
S Óñòàíîâèòå è çàçåìëèòå ñâàðî÷íûé àïïàðàò â ñîîòâåòñòâèè ñ ïðèìåíÿåìûìè ñòàíäàðòàìè.
S Íå êàñàéòåñü îãîëåííûõ ýëåêòðè÷åñêèõ ÷àñòåé èëè ýëåêòðîäîâ ãîëûìè ðóêàìè, ìîêðûìè ïåð÷àòêàìè
èëèìîêðîéîäåæäîé.
S Èçîëèðóéòå ñåáÿ îò çåìëè è çàãîòîâêè.
S Îáåñ ïå÷üòå áåçîïàñíîñòü íà ñâîåì ðàáî÷åì ìåñò å.
ÑÂÀÐÎ×ÍÛÅ ÄÛÌÛ È ÀÝÐÎÇÎËÈ - ìîãóò áûòü îïàñíû äëÿ çäîðîâüÿ.
S Ñòàðàéòåñü, ÷òîáû âàøà ãîëîâà íàõîäèëàñü âíå çîíû äûìà..
S Èñïîëüçóéòå âåíòèëÿöèþ è äûìîîòñîñû äëÿ óäàëåíèÿ äûìîâ è àýðî çîëåé èç çîíû äûõàíèÿ è
îêðóæàþùåãî ïðîñòðàíñòâà
ÈÇËÓ×ÅÍÈÅ ÄÓÃÈ - ìî æåò íàíåñòè âðåä ãëàçàì è êîæå.
S Çàùèùàéòå âàøè ãëàçà è êîæó. Èñïîëüçóéòå ìàñêó ñ ïðàâèëüíî ïîäîáðàííûì çàùèòíûìñòåêëîì è
ñïåöîäåæäó
S Çàùèùàéòå îêðóæàþùèõ ïîñðåäñòâîì ñòåíîê è çàíàâåñîê.
ÏÎÆÀÐÎÎÏÀÑÍÎÑÒÜ
S Èñêðû ïðè ñâàðêå ìîãóò ñòàòü ïðè÷èíîé ïîæàðà. Îáåñïå÷üòå îòñóòñòâèå ïîæàðîîïàñ íûõ ìàòåðèàëîâ
â áëèçëåæàùåé çîíå.
ØÓÌ - Ïîâûøåííûé øóì ìîæåò ïîâðåäèòü ñëóõ
S Çàùèòèòå ñâîè óøè ñ ïîìîùüþ íàóøíèêîâ èëè áåðóøåé.
S Ïðåäóïðåäèòå î ðèñêå îêðóæàþùèõ.
ÑÁÎÉ Â ÐÀÁÎÒÅ - Ïðè ñáîÿõ â ðàáî ò å îáðà òèòåñü çà ïîìîùüþ ê ñïåöèàëèñòó.
2 ÂÂÅÄÅÍÈÅ
Âíèìàíèå !
Èçäåëèå ïðåäíàçíà ÷åíî òîëüêî äëÿ äóãîâîé ñâàðêè.
Âûïðÿìèòåëü LHN 250 - ÿâëÿåòñÿ òðàíçèñòîðíî-óïðàâëÿåìûì èñòî÷íèêîì
ïèòàíèÿ, ïðåäíàçíà÷åííûì äëÿ ðó÷íîé äóãîâîé ñâàðêè (ÌÌÀ), à òàêæå äëÿ
ñâàðêè íåïëàâÿùèìñÿ ýëåêòðîäîì â ñðåäå àðãîíà (TIG) ñ âîçáóæäåíèåì äóãè
ìåòîäîì êàñàíèÿ è î òðûâà.
Ïðèìåíåíèå ñîâðåìåííîé ýëåêòðîíèêè, â òîì ÷èñëå è èíâåðòîðíîé
òåõíîëîãèè, ïîçâîëèëî, íàðÿäó ñ äðóãèìè ïðåèìóùåñòâàìè, îáåñïå÷èòü
áûñòðóþ íàñòðîéêó ïðîöåññà è ï ðîâåäåíèå âûñîêîêà÷åñòâåííîé ñâàðêè, à
òàêæå ïîçâîëèëî óìåíüøèòü âåñ è ãàáàðèòû óñòàíîâêè. Ðåìåíü ñëóæèò äëÿ
óäîáñòâà ïåðåíîñà âûïðÿìèòåëÿ íà ïëå÷å ñâàðùèêà è â êà÷åñòâå ðó÷êè â
çàïðàâëåííîì âèäå.
bh21d02r -- 5 --
2.1 Òåõíè÷åñêèå äàííûå
ïðè ÏÂ 35%
ïðè ÏÂ 60%
ïðè ÏÂ 100%
250 A/30 V
180A/27V
140A/26V
Äèàïàçîí ðåãóëèðîâàíèÿ ñâàðî÷íîãî
òîêà (ïëàâíî ðåãóëèðóåòñÿ)
4-250 A
Íàïðÿæåíèå õîëîñòîãî õ îäà 50-80 V
Ïàðàìåòðû ñåòè
íàïðÿæåíèå
÷àñòîòà
ïðåäîõðàíèòåëü
ñå÷åíèå ñåòåâîãî êàáåëÿ
400 Â ïåðåì. òîê
50/60 Hz
16 A*
3x1,5 ìì
2
**
Êëàññ çàùèòû IP 23
Êëàññ ïðèìåíåíèÿ
Ãàáàðèòû L x W x H 472x142x256
Âåñ 11 ê ã
Ïðè ñâàðêå íà òîêàõ äî 100 A äîñòàòî÷íî ïðåäîõðàíèòåëÿ 10 A..
** Ñå÷åíèå ñåòåâîãî êàáåëÿ ñîãëàñíî øâåäñêèõ ñòàíäàðòîâ.
Ïðîäîëæèòåëüíîñòü Âêëþ÷åíèÿ (ÏÂ)
Ï îçíà÷àåò: âîçìîæíóþ ïðîäîëæèòåëüíîñòü ðàáîòû óñòàíîâêè áåç
ïåðåãðóçêè, âû÷èñëåííóþ â % îò 10-òè ìèíó òíîãî öèê ëà.
Êëàññ çàùèòû
Êîä IP õàðàêòåðèçóåò êëàññ èçîëÿöèè óñòàíîâêè îò ïîïà äàíèÿ ïûëè è âëàãè.
Îáîðóäîâàíèå ñ ìàðêèðîâêîé IP 23 ïðåäíàçíà÷åíî ä ëÿ íàðóæíûõ è
âíóòðåííèõ ðàáîò
Êëàññ ïðèìåíåíèÿ
Ñèìâîë îçíà÷àåò, ÷òî óñòàíîâêà ïðèãîäíà ê ïðèìåíåíèþ â óñëîâèÿõ ñ
ïîâûøåííîé ýëåêòðîîïàñíîñòüþ.
bh21d02r -- 6 --
2.2 Ñîñòàâ îáîðóäîâàíèÿ
Âûïðÿìèòåëü LHN 250 èìååò ðàçú¸ì äëÿ ïóëüòà äèñòàíöèîííîãî óïðàâëåíèÿ,
ðàáîòà êîòîðîãî àêòèâèðóåòñÿ àâòîìàòè÷åñêè ïðè åãî ïîäêëþ÷åíèè.
Âíèìàíèå! Äëÿ àâòîçàïóñêà äèñòàíöèîííîãî óïðàâëåíèÿ êîíòàêòû L è M áëîêà
ÄÓ äîëæíû áûòü ñîåäèíåíû.
 êîìïëåêò ïîñòàâêè LHN 250 âõîäèò: 3 ì ñåòåâîãî êàáåëÿ, ïî 5ì ñâàðî÷íîãî è
âîçâðàòíîãî êàáåëÿ ñ ðàçú¸ìàìè òèïà ÎÊÑ äëÿ áûñòðîé ñìåíû ïîëÿðíîñòè.
Çàâîäñêîé íîìåð èçã îòîâèòåëÿ óêàçàí íà ôèðìåííîé òàáëè÷êå.
2.3 Îáëàñòü ïðèìåíåíèÿ
LHN 250 ïðåäíàçíà÷åí äëÿ ñâàðêè íà ïîñòîÿííîì òîêå áîëüøèíñòâà
ìàëîóãëåðîäèñòûõ, ëåãèðîâàííûõ, íåðæàâåþùèõ ñòàëåé è ÷óãóíà.
LHN 250 ïîçâîëÿåò èñïîëüçîâàòü øòó÷íûå ýëåêòðîäû îò j1.6 äî j 5 ìì.
Ñâàðêà íåïëàâÿùèìñÿ ýëåêòðîäîì â ñðåäå àðãîíà (TIG)
TIG ñâàðêà îñîáåííî ýôôåêòèâíà ïðè âûñîêèõ òðåáîâàíèÿõ ê êà÷åñòâó
ñâàðíîãî øâà, à òàêæå ïðè ñâàðêå òîíêîëèñòîâûõ êîíñòðóêöèé. Äëÿ ñâàðêè
ìåòîäîì TIG óñòàíîâêó Caddy íåîáõîäèìî äîîñíàñòèòü: ãîðåëêîé TIG ñ
ãàçîâûì êëàïàíîì, áàëëîíîì Ar, ðåãóëÿòîðîì Ar, âîëüôðàìîâûì
íåïëàâÿùèìñÿ ýëåêòðîäîì è ïðè íåîáõîäèìîñòè ïðèñà äî÷íûìè ïðóòêàìè.
Äóãà âîçáóæäàåòñÿ çà ñ÷¸ò êàñàíèÿ è îòðûâà ýëåêòðîäà îò èçäåëèÿ.
3ÓÑÒÀÍÎÂÊÀ
ÏÐÅÄÓÏÐÅÆÄÅÍÈÅ !
Ýòî îáîðóäîâàíèå ïðåäíàçíà÷åíî äëÿ ïðîìûøëåííîãî èñïîëüçîâàíèÿ.
Ïðè ïðèìåíåíèè â äîìàøíèõ óñëîâèÿõ îíî ìîæåò âûçâàòü ðàäèîïîìåõè.
Îòâåòñòâåííîñòü íåñåò ïîëüçîâàòåëü îáîðóäîâàíèÿ.
3.1 Ðàáî÷åå ìåñòî
Óñòàíîâêà äîëæíà ðàñïîëàãàòüñÿ â óäîáíîì äëÿ ðàáîòû ìåñòå, íå
ïåðåêðûâàÿ äîñòóïà âîçäóõà â âåíòèëÿöèîííûå ñå÷åíèÿ.
3.2 Ïîäêëþ÷åíèå
Äëÿ ðàáîòû ñ ìàêñèìà ëüíîé íàãðóçêîé íåîáõîäèìî óñòàíîâèòü ïëàâêèå
ïðåäîõðàíèòåëè 16A.
LHN 250 ñíàáæåí óñòðîéñòâîì êîìïåíñàöèè êîëåáàíèé ïèòàþùåé ñåòè, ò.å.
ïðè êîëåáàíèÿõ íàïðÿæåíèÿ ñåòè +/_10 % êîëåáàíèå â ñâàðî÷íîé ñåòè íå
ïðåâûñÿò +/_0 ,2 %.
Ïàðàìåòðû ñåòè äëÿ LHN 250: 400V, 3 ôàçû, 50 Hz èëè 60 Hz.
bh21d02r -- 7 --
4 ÐÀÁÎÒÀ ÓÑÒÀÍÎÂÊÈ
4.1 Âêëþ÷åíèå óñòàíîâêè
Âêëþ÷åíèå óñòàíîâêè ïðîèçâîäèòñÿ âûêëþ÷à òåëåì íà çàäíåé ñòåíêå LHN 250.
Ïðè ýòîì çàãîðàåòñÿ áåëàÿ êîíòðîëüíàÿ ëàìïà íà ïåðåäíåé ïàíåëè.
1. Ƹëòàÿ ëàìïà ï åðåãðóçêè
2. Ðó÷êà ïëàâíîé ðåãó ëèðîâêè ñâàðî÷íîãî òîêà â ïðåäåëàõ 4-250 A
3. Áåëàÿ êîíòðîëüíàÿ ëàìïà
4. Ðàçú¸ì ïóëüòà äèñòàíöèîííîãî óïðàâëåíèÿ
Âíèìàíèå!
Íåîáõîäèìî èñïîëüçîâàòü òîëüêî ðåêîìåíäóåìûå ñå÷åíèÿ ñâàðî÷íîãî è
âîçâðà òíîãî êàáåëÿ (íå ìåíåå 35 ìì
2
)
(Ñì. Ñïèñîê çàïàñíûõ ÷àñòåé).
4.2 Çàùèòà îò ïåðåãðóçîê
Äëÿ çàùèòû îò ïåðåãðåâà âûïðÿìèòåëè LHN 250 èìååò âñòðîåííîå
òåðìîðåëå, ñðàáàòûâàþùåå ïðè ïðåâûøåíèè òåìïåðàòóðû âûøå äîïóñòèìîé
âåëè÷èíû. Ïðè ýòîì îáåñòî÷èâàþòñÿ ñâàðî÷íûå êàáåëè è çàãîðàåòñÿ
îðàíæåâàÿ êîíòðîëüíàÿ ëàìïà. Ïðè ïîíèæåíèè ò åìïåðàòóðû òåðìîðåëå
àâòîìàòè÷åñêè âêëþ÷àåò âûïðÿìèòåëü.
5 Òåõíè÷åñêîå îáñëóæèâàíèå
5.1 ×èñòêà
LHN 250 íå òðåáóåò ñïåöèàëüíîãî îáñëóæèâàíèÿ. Îáû÷íî äîñòàòî÷íî
ïðîäóâàòü óñòàíîâêó ÷èñòûì ñæàòûì âîçäóõîì è î÷èùàòü âîçäóøíûé ôèëüòð.
Åñëè óñòàíîâêà ýêñïëóàòèðóåòñÿ â î÷åíü çàãðÿçíåííûõ óñëîâèÿõ ôèëüòð íà äî
î÷èùàòü êàê ìîæíî ÷àùå.
bh11d001
bh21d02r -- 8 --
6 ÄÈÀÃÍÎÑÒÈÊÀ ÍÅÈÑÏÐÀÂÍÎÑÒÅÉ
6.1 Âîçìîæíûå íåèñïðàâíîñòè è ìåðû ïî èõ óñòðàíåíèþ
Âèä íåèñïðàâíîñòè Ìåðû ïî èõ óñòðàíå íèþ
Íå âîçáóæäàå òñÿ äóãà îò ñâàðî÷íîã î
èñòî÷íèêà ïèòàíèÿ
S Óáåäèòåñü, ÷òî ñåòåâîé âûêëþ÷àòåëü
âê ëþ÷åí.
S Ïðîâåðüòå ïðàâèëüíîñòü ñîåäèíåíèÿ
ñâàðî÷íûõ êàáåëåé.
S Óáåäèòåñü, ÷òî âåëè÷èíà ñâàðî÷íîãî
òîêà óñòàíîâëåíà ïðàâèëüíî.
 ïðîöåññå ñâàðêè ïðîèçîøëî îòêëþ÷åíèå
èñòî÷íèêà ïèòàíèÿ.
S Ïðîâåðüòåíåðàáîòàëîëèòåðìîðåëå
(çàãîðåëàñü îðàíæåâàÿ ëàìïà íà
ïåðåäíåé ïàíåëè).
S Ïðîâåðüòå ïðåäîõðàíèòåëü.
Òåðìîðåëå ñðàáàòûâàåò î÷åíü ÷àñòî. S Ïðîâåðüòåíåçàáèòëèâîçäóøíûé
ôèëüòð.
S Óáåäèòåñü, ÷òî ñâàðê à íå âåëàñü íà
çàâûøåííûõ ðåæèìàõ. (ïåðåãðóçêà
èñòî÷íèê à ïèòàíèÿ).
Íèçêîå êà÷åñòâî ñâàðêè. S Ïðîâåðüòå ïðàâèëüíîñòü ïîäêëþ÷åíèÿ
ñâàðî÷íûõ êàáåëåé.
S Óáåäèòåñü, ÷òî âåëè÷èíà ñâàðî÷íîãî
òîêà óñòàíîâëåíà ïðàâèëüíî.
S Ïðîâåðüòå ñîñòîÿíèå øòó÷íûõ
ýëåêòðîäîâ.
7 ÇÀÊÀÇ ÇÀÏÀÑÍÛÕ ×ÀÑÒÅÉ
Ïðè çàêàçå çàïàñíûõ ÷àñòåé, ïîæàëóéñòà, óêàæèòå òèï óñòàíîâêè, ñåðèéíûé
íîìåð, íàçâàíèå è àðòèêóëüíûé íîìåð çàïàñíîé äåòà ëè. Ýòî ïîìîæåò
óïðîñòèòü çàêàç è óñêîðèòü îòãðóçêó.
8 Äîïîëíèòåëüíûå ïðèíàäëåæíîñòè
Ïóëüò äèñòàíöèîííîãî óïðàâëåíèÿ PHA1 25 ì 0367 657 880
Ïóëüò äèñòàíöèîííîãî óïðàâëåíèÿ PHA1 10 ì 0367 657 881
Ïóëüò äèñòàíöèîííîãî óïðàâëåíèÿ PHA2 Hotstart 0367 601 880
Ïóëüò äèñòàíöèîííîãî óïðàâëåíèÿ PHB1 0367 317 880
Ïóëüò äèñòàíöèîííîãî óïðàâëåíèÿ PHB2 0367 318 880
Ïóëüò äèñòàíöèîííîãî óïðàâëåíèÿ PHC2 0367 620 880
Ïóëüò äèñòàíöèîííîãî óïðàâëåíèÿ PHA5 0367 970 880
ÊàáåëüäëÿïóëüòàÄÓ 5 ì 036 7 144 881
ÊàáåëüäëÿïóëüòàÄÓ 10 ì 0367 144 882
ÊàáåëüäëÿïóëüòàÄÓ 1,5 ì 0367 144 883
ENGLISH
TOCe
-- 9 --
1SAFETY 10...........................................................
2 INTRODUCTION 10...................................................
2.1 Technical data 11............................................................
2.2 Equipment 12................................................................
2.3 Field of application 12.........................................................
3 INSTALLATION 12....................................................
3.1 Placing 12...................................................................
3.2 Connection 12...............................................................
4 OPERATION 13.......................................................
4.1 Start--up 13..................................................................
4.2 Overload protection 13........................................................
5 MAINTENANCE 13....................................................
5.1 Cleaning 13.................................................................
6 FAULT TRACING 14...................................................
6.1 Possible faults and measures to take 14.........................................
7 ORDERING OF SPARE PARTS 14......................................
8 EXTRA ACCESSORIES 14.............................................
DIAGRAM 15............................................................
SPARE PARTS LIST 16...................................................
-- 1 0 --
bh21d02e
1SAFETY
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 keep fumes and gases from your breathing zone and
the general area.
ARC RAYS -- Can injure eyes and burn skin.
S Protect your 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 your ears. Use ear defenders or other hearing protection.
S Warn bystanders of the risk.
MALFUNCTION -- Call for expert assistance in the event of malfunction.
PROTECT YOURSELF AND OTHERS!
2 INTRODUCTION
Note!
This product is solely intended for arc welding.
The LHN 250 are one transistor controlled welding power source designed for
welding with coated electrodes and for TIG welding ( touch start).
The advanced electronics provide rapid control response, low power demand and
excellent welding characteristics. Inverter technology contributes to low weight and
compact dimensions of the units.
The rounded slimline shape of the unit makes it comfortable to carry. The strap can
be folded to serve as a carrying handle, or fully extended to serve as a shoulder
strap.
-- 1 1 --bh21d02e
2.1 Technical data
Performance:
at 35% duty cycle
at 60% duty cycle
at 100% duty cycle
250 A/30 V
180 A/27 V
140 A/26 V
Setting range continuously variable 4--250 A
Open circuit voltage 50--80 V
Mains supply:
voltage
frequency
fuse
mains cable, area
400 V AC
50/60 Hz
16 A*
3x1,5 mm
2
**
Enclosure class IP 23
Application class
Dimensions L x W x H 472x142x256
Weight 11 kg
*When welding below 100 A a 10 A slow fuse is adequate..
**Power cable ratings complies with Swedish regulations..
Duty cycle
The duty cycle refers to the tim e in per cent of a ten--minute period that you can weld
at a certain 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 sym bol indicates that the power source is designed for use in areas where
there is an increased electrical hazard.
-- 1 2 --
bh21d02e
2.2 Equipment
LHN 250 is equipped with a remote control socket which activates automatically
when a remote control device is connected. NOTE! T he contact pins L and M must
be strapped in the remote device’s connection cable for automatic activation to
function.Theinverterissuppliedwitha3meterlongmainscable.
LHN 250 is delivered with 5 m eter long welding and return cables. These are
attached to cable connectors allowing quick change of polarity.
The manufacturer’s serial number is stamped on the rating plate.
2.3 Field of application
LHN 250 supply direct current, which allows you to weld most alloyed and
non--alloyed steels, stainless steels and cast iron.
With the LHN 250 you can use coated electrodes from 1.6 to 5 mm.
Tig--welding
TIG welding is particularly useful when high quality standards are r equired and when
welding thin sheet.
Before using the LHN 250 for T IG welding it m ust be equipped with a T IG torch and
gas valve, a cylinder of argon, an argon regulator, tungsten electrodes and, if
necessary, suitable filler metal.
The best method to use is the touch start, where you gently stroke the tungsten
electrode against the workpiece to establish the arc.
3 I NSTALLATION
WARNING
This product is intended for repair and maintenance welding
In domestic or office environment this product may cause r adio interference.
It is the responsibility of the user to take adequate precautions.
3.1 Placing
Place the machine so that there is nothing to prevent the cooling air from passing
through it.
3.2 Connection
To get maximum performance from the LHN 250 it must be fitted with a 16A slow
fuse.
The LHN 250 have mains voltage compensation, which means that ¦10%
fluctuation in the supply voltage produces only ¦0.2% variation in the welding
voltage.
LHN 250 is intended for 400V, 3 phase supplies. It can be used with 50 Hz or
60 Hz supplies.
-- 1 3 --bh21d02e
4OPERATION
4.1 Start--up
The power switch is at the r ear of the LHN 250. The white lamp on the fr ont will glow
when the power is on.
1. Yellow lamp
2. Welding current control 4--250 A
3. White lamp
4. Remote control socket
The current is adjusted using the knob on the front.
Important!
Only use the accompanying welding cab le and return cable, with a
cross--section al area of 35 mm@.
(See list of spare parts for order number).
4.2 Overload protection
To save you worrying about overloading the LHN 250 it has a thermal cut--out that
will trip before the tempera ture becomes too high. You can tell when the rectifier has
been overloaded because the yellow light comes on and it will no longer be possible
to weld.
5 MAINTENANCE
5.1 Cleaning
Normally it is sufficient to blow the welding power source clean regularly using dry
compressed air (reduced pressure), and to clean the filter in the front regularly.
In dusty and dirty environment the welding power source should be cleaned at
shorter intervals.
bh11d001
-- 1 4 --
bh21d02e
6 FAULT TRACING
6.1 Possible faults and measures to take
Type of fault Measure
No arc is generated by the welding power
source.
S Make sure the mains switch is on.
S Check that the welding and return cables
are properly connected.
S Make sure the welding current set is correct.
The welding current is interrupted in the course
of welding.
S Check if the thermal cut--out has tripped (the
orange indicating lamp on the front panel is
on).
S Check the mains fuse.
The thermal cut--out trips frequently. S Check that the filter is not packed with dust.
S Check that the ratings of the welding power
source have not been exceeded (overload
of the power source).
Poor welding result. S Check that the welding and return cables
are properly connected.
S Make sure the welding current set is correct.
S Check that there is nothing wrong with the
electrodes.
7 ORDERING OF SPARE PARTS
When ordering a spare part, please state the type and serial number of the m achine
as well as number of the spare part, according to the spare parts list.
This will simplify dispatch and ensure you get the right part.
8 EXTRA ACCESSORIES
Remote control device PHA1 25 m 0367 657 880
Remote control device PHA1 10 m 0367 657 881
Remote control device PHA2 Hotstart 0367 601 880
Remote control device PHB1 0367 317 880
Remote control device PHB2 0367 318 880
Remote control device PHC2 0367 620 880
Remote control device PHA5 0367 970 880
Connecting cable 5 m 0367 144 881
Connecting cable 10 m 0367 144 882
Connecting cable 1.5 m 0367 144 883
Diagram Ñõåìà
-- 1 5 --bh21e02a
Spare parts list Ñïèñîê çàïàñíûõ ÷àñòå é
-- 1 6 --bh21s02a
Edition
98.02.01
cmha2
p
00
Ordering numbers LHN 250
0457 516 880 LHN 250 , Caddy 250
c=component designation in the circuit diagram
Item Qty Ordering no. Denomation Notes C
101 1 0366 296 003 Knob
102 1 0366 295 002 Switch 3--way QF1
103 1 0193 307 104 Cable clamp
104 1 0456 193 881 Mains cable
105
106 1 0468 208 001 Strap
107 1 0468 497 001 Clamp
108 1 0321 475 881 Knob
109 1 0366 285 001 Cover
110 2 0467 796 001 Grating
111 1 0468 462 001 Filter
112 1 0468 214 001 Cover
113 1 0369 857 886 W elding cable Complete
114 1 0369 857 887 Return cable Complete
101
102
103
104
106
107
108
109
110
111
112
113
114
-- 1 7 --bh21s02a
-- 1 8 --bh21s02a
c=component designation in the circuit diagram
Item Qty Ordering no. Denomation Notes C
201 1 0468 461 001 Gable
202 1 Busbar Included in sets item 500
203 4 0366 588 001 Nut
204 1 0457 392 001 Front
205 2 0366 306 881 Connector OKC XS12
206 1 0457 558 001 Current bar
207 1 0457 559 001 Current bar
208 5
5
0193 260 001
0193 260 180
Connector XS02,04
,07
209 1 0193 260 062 Connector XS09
210 1 0191 870 616 Potentiometer 10 kW 2W RP01
211 1
1
0193 759 001
0193 759 002
Indicator lamp 28V, white
Yellow
HL01
V05
212 1 0368 544 003 Burndy socket 12--way XS11
220 1 0468 029 001 Control transformer TC01
225 2 0192 903 506 Capacitor 1000 mF C02,03
227 1 Busbar Included in sets item 500
228 1 Busbar Included in sets item 500
229 1 0193 260 154 Connector 6--way 0.75mm@ XS01
1 0193 260 184 Cap 6--way
230 1 0193 260 150 Connector 2--way 0.75mm@ XS02
1 0193 260 180 Cap 2--way
231 1 0193 260 153 Connector 5--way 0.75mm@ XS10
1 0193 260 183 Cap 5--way
232 1 0193 260 006 Connector 7--way 0.35mm@ XS03
1 0193 260 185 Cap 7--way
234 1 Busbar Included in sets item 500
235 1 Busbar Included in sets item 500
236 1 0467 802 001 Guide
237 1 0481 870 884 Circuit board AP01
240 1 0455 661 029 Rivet
241 1 0486 328 880 Circuit board AP05
7 0194 034 001 Ferrite ring core L08,L09,
L10
-- 1 9 --bh21s02a
240
241
220
234
227
220
201
202
229
208
230
231
232
235
225
237
236
228
209
210
211
212
205
207
206
203
204
-- 2 0 --bh21s02a
c=component designation in the circuit diagram
Item
Qty
Ordering no. Denomation Notes c
301 1 0467 801 001 Fan 24 VDC EV01
302 1 Circuit board Included in sets item 504 AP02
303
304
1
2
0192 883 150
0193 316 208
Capacitor
Rectifier bridge
0.1 ⊃F 1000 VDC C01
V01,02
305 1 0467 800 001 Insulation
308 2 0467 797 001 Guide
309 2 0467 793 180 Heat sink
310 1 Circuit board Included in sets item 504 AP03
311 21 Spring Included in sets item 504
312 1 0468 016 881 Inductor Secondary L01
313
314
315
1
2
1
0192 716 004
0193 529 017
0468 496 001
Diode
Capacitor
Holder
4.7 ⊃F
V06
C05
316
317
318
319
320
1
1
1
2
2
0468 215 880 Inductor
Winding
Bobbin
Core
Clip
Complete
Included in item 316
Included in item 316
Included in item 316
Included in item 316
L02
321 1 0457 304 880 Shunt 120 mV at 140 A RS01
322
323
1
1
0320 805 886
0394 516 035
Capacitor
Spacer
0.1⊃F 400 VDC C04
324 1 Busbar Included in sets item 505
325 1 0320 655 009 Thermal cutout Opens at 130˚C,
Included in item 312
ST01
326 1 0457 308 880 Transformer coil TC02
327
328
1
4
0467 799 001
0193 312 101
Clip
Ferrite core
329 1 0193 669 002 Connector 2--way XS08
329a 0193 590 302 Sleeve 2 per connector
330 1 0455 646 883 Rectifier unit Complete
331 1 0457 557 880 Resistor Complete 8,2 k″ 5W R02
332 3 0193 948 001 Diode module V03,04
333 1 0455 650 005 Busbar Included in sets item 505
334 1 0455 650 004 Busbar Included in sets item 505
335 2 0467 648 884 Capacitor Complete C06
336 1 0455 650 006 Busbar Included in sets item 505
337 2 0191 745 011 Spacer sleeve
338 2 0455 569 002 Ferrite ring core L06,07
339 1 0455 569 003 Ferrite ring core L05
340 1 0468 538 002 Current bar Included in sets item 505
341 2 0457 695 001 Washer
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ESAB Caddy® 250 Manuale utente
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