TAbLE of Contents

vi	TAbLE OF CONTENTS	vi
		Page
	Installation	Section A
	Technical Specifications	A-1
	Safety Precautions	A-2
	Suitable Location	A-2
	Stacking	A-2
	Tilting	A-2
	High Frequency Protection	A-2
	Input Connections	A-2
	Input Fuse and Supply Wire	A-2
	Input Supply Connections	A-2
	Power Input Connections	A-2
	Input Voltage Reconnect Procedure	A-3
	Output Connections	A-3
	Output Cables	A-3
	________________________________________________________________________________
	Operation	Section b
	Safety Precautions	B-1
	General Description	B-1
	Operational Features	B-1
	Welding Capability	B-1
	Limitations	B-1
	Controls and Settings	B-2,B-3
	Constant Current Processes	B-3
	Parallel Operation	B-3
	Overload Protection	B-4
	Thermal Protection	B-4
	Fan	B-4
	Power-Up Sequence	B-4
	________________________________________________________________________________
	Maintenance	Section D
	Input Filter Capacitor Discharge Procedure	D-1
	Routine Maintenance	D-2
	Filter Capacitor Conditioning	D-2
	Location of Maintenance Components	D-3
	________________________________________________________________________________
	Troubleshooting	Section E
	Safety Precautions	E-1
	PC Board Troubleshooting Procedures	E-2
	Troubleshooting Guide	E-3 thru E-7
	________________________________________________________________________________
	Wiring Diagrams and Dimension Print	Section F
	________________________________________________________________________________
	Parts Pages	P-477 Series
	________________________________________________________________________________