Hypertherm H401 Power Supplies User Manual
Page 8

TABLE OF CONTENTS
iv
H401 & H601
Instruction Manual
5
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
Controls and Indicators .............................................................................................................................................4-2
Operation ..................................................................................................................................................................4-3
MAINTENANCE AND TROUBLESHOOTING
Routine Maintenance ................................................................................................................................................5-2
Power Supply Circuit Description .............................................................................................................................5-2
Troubleshooting ........................................................................................................................................................5-3
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
Power Supply ...................................................................................................................................................a-1
Equipment Grounding ......................................................................................................................................a-1
Work Table Grounding .....................................................................................................................................a-2