Page 1: ...ADING THIS MANUAL AND PLEASE ALWAYS THINK BEFORE YOU ACT www worldwel com MODEL UNIT 250LD2 300LD2 INPUT VOLTAGE V 220 Single phase FREQUENCY Hz 50 60 INPUT CAPACITY KVA 9 11 NO LOAD VOLTAGE V 80 82 C...
Page 2: ...of contact with the work or ground and watch for fire Turn off input power using the disconnect switch at the fuse box before working on the equipment Frequently inspect input power cord for damage o...
Page 3: ...N The welding machine shall be installed at a place free from the inflammables less humidity dirt and dust protecting from influence of direct sunlight wind and rain not generated oil vapor and corros...
Page 4: ...CONNECTION FRONT CONTROL PANEL POWER LAMP WARNING LAMP VOLTAGE REDUCING DEVICE LAMP VOLTAGE REDUCING DEVICE SWITCH AMMETER DIGITAL DISPLAY OUTPUT CURRENT CONTROL...
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Page 7: ...4 Control Transformer 5725 1 5 Temp Switch N85 1 6 IGBT 600V 100A 2 7 IGBT Drive PCB WGE 01 2 8 Input Bridge Diode PCB SDH100B 16 1 9 Output Diode PCB WDO 10 1 10 Output Terminal MJ 133 2 11 Choke Tra...
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Page 10: ...4 Control Transformer 5725 1 5 Temp Switch N85 1 6 IGBT 600V 150A 2 7 IGBT Drive PCB WGE 01 2 8 Input Bridge Diode PCB SDH100B 16 1 9 Output Diode PCB WDO 06 2 10 Output Terminal MJ 133 2 11 Choke Tr...
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Page 13: ...er 7630 1 5 Temp Switch N85 1 6 IGBT LUH150G602Z 2 7 IGBT Drive PCB WGE 01 2 8 Input Bridge Diode PCB DF75LA80 1 9 Output Diode PCB WDO 06 2 10 Output Terminal MJ 133 2 11 Choke Transformer 300LD2 1 1...
Page 14: ...you use Whenever you request replacement parts or information on this machine always supply the information you have recorded above The date number is especially important when identifying the correc...