HP (Hewlett-Packard) 6631B Power Supply User Manual


 
D - Line Voltage Conversion
70
Install the Correct Line Fuse
Unscrew the line fuse cap from the rear panel and install the correct fuse.
For 100/120 Vac operation: 4 A; HP part number 2110-0055
For 220/230 Vac operation: 2 A; HP part number 2110-0002
Mark the voltage setting that the unit has been set to on the rear panel label.
Close the Unit
Replace the outer cover.
Reconnect the power cord and turn on the unit.