Waters Prep Series Installation And Maintenance Manual page 40

2. Remove the power cord from its connector at the rear panel, and pry the
power connector cover with a flat-blade screwdriver.
3. Remove the voltage selection barrel.
4. Select a suitable voltage setting.
5. Replace the voltage selection barrel so that the voltage you selected will
show through the window when you close the cover.
Changing the voltage setting
6. Waters ships all controllers with 4-A fuses for 110/120-VAC operation. If
you operate the unit with 220/240 VAC, change the fuse (see step 7). If
you do not need to change the fuse, proceed to step 8.
7. To change the fuse, pull each fuse holder out, as though opening a
drawer. (Spare fuses are included in the Startup Kit.)
8. Install the correct fuse in the holder, and slide it back in place. The
arrow on each fuse holder points upward when it is in the correct
position.
9. Close the power connector cover.
10. Plug the power cord into its connector at the rear panel.
2-6 Installing the System