ESAB ESP-400C Installation, Operation And Maintenance Manual page 59

SECTION 6
Schematic Diagram - Drawing 1 – Part2
1b
2b
3b 4b
5b
6b
7b
8b
9b
2 C18 Capacitor .033uf 630v
2 R4,6,8,9 Resistor 10ohm 50w
2 D1,3,5,6 Module diode dual 100A 600V
2 D21,22,24 Module dual diode rectifier 630V
2 R14,15 Resistor 8ohm 300w
2 L1,2 Inductor Assy
2 D25,26 Resistor 10ohm 300w
2 C37,38 Capacitor .01uf 125vdc
2 R30 Resistor 1k 100w
2 R16,17 Resistor 8ohm 300w
2 S1 Switch toggle 3pst 2 pos
2 R41-43 Resistor 10k 8w
2 C27,28,29 Capacitor 2900uf 450w
2 C41-43,44 Capacitor .01uf 125vdc
2 D29,30 Rectifier silicone reverse 85A
2 D31,32 Rectifier silicone forward 85A
2 F3 Fuse slo-blo 15A 600v
2 F6 Fuse n-t delay 15A
2 R23 Resistor 1 ohm 300w
2 R24 Resistor 8 ohm 300w
2 FN1,FN2 Filter PC board
3 PCB4 PC board digital meter
3 SH1 Shunt 100mV 800A
3 R31 Resistor 1k 100w
3 R18,19,20 Resistor 4 ohm 300w
3 R38 Resistor 220k 1w
ESP 400C and 600C Plasma Power Sources
Troubleshooting
3 R44 Resistor 10k 8w
3 C30 Capacitor 60uf 370v
3 C39,40 Capacitor .01uf 125vdc
3 D27,28 Diode rect reverse 800v 300A
3 D33,35 Rectifier silicone reverse 85A
3 D34 Rectifier silicone forward 85A
3 R25,26 Resistor 10 ohm
3 R39,40 Resistor 10k 8w
3 R34,35,36 Resistor 220k 1w
3 R29 Resistor 1k 100w
3 R21,22 Resistor 10ohm 300w
3 R27 Resistor 10ohm 300w
6-21