Hypertherm H401 Power Supplies - Manual (Page 8)

TABLE OF CONTENTS
iv H401 & H601 Instruction Manual
5
Power Requirements ................................................................................................................................................3-3
Power Cables and Fuses .................................................................................................................................3-3
Connecting the Primary Power .................................................................................................................................3-4
Line Disconnect Switch ....................................................................................................................................3-5
Secondary Connections............................................................................................................................................3-6
PAC500 with H401 or H601 .............................................................................................................................3-6
PAC500 Control Cable with H401 or H601 ......................................................................................................3-7
Parallel Power Supply Connections .................................................................................................................3-8
PAC500 Water Muffler and Water Supply System Connections......................................................................3-9
Water supply connections ................................................................................................................................3-9
Current Control Potentiometer Connections ..................................................................................................3-10
HT4001 with H401 or H601............................................................................................................................3-10
Section 4 OPERATION
Controls and Indicators .............................................................................................................................................4-2
Operation ..................................................................................................................................................................4-3
H401 or H601 with HT4001..............................................................................................................................4-3
H401 or H601 with PAC500 .............................................................................................................................4-3
Output Current for Power Supply Dial Settings................................................................................................4-4
Section 5 MAINTENANCE AND TROUBLESHOOTING
Routine Maintenance ................................................................................................................................................5-2
Power Supply Circuit Description .............................................................................................................................5-2
Troubleshooting ........................................................................................................................................................5-3
Section 6 PARTS LIST – H401 AND H601
Front Panel Outside .........................................................................................................................................6-2
SCR and Shunt Detail ......................................................................................................................................6-3
Transformer and Inductor.................................................................................................................................6-4
Temperature Switches .....................................................................................................................................6-5
Upper Inside.....................................................................................................................................................6-6
Fans .................................................................................................................................................................6-7
PCB Assemblies ..............................................................................................................................................6-8
Section 7 WIRING DIAGRAMS ............................................................................................................................7-1
Appendix A SYSTEM GROUNDING....................................................................................................................a-1
System Grounding Requirements.............................................................................................................................a-1
Suggested Ground Cable Routing ............................................................................................................................a-1
Power Supply ...................................................................................................................................................a-1
Equipment Grounding ......................................................................................................................................a-1
Work Table Grounding .....................................................................................................................................a-2