Switching the LPS+ Linear Power Supply to work with 110V or 220V electricity is a simple process.
Look where the AC cord plugs in. You can see the voltage it is set to thru the window.
Carefully pry the little door open from above the red window.
Carefully pry the red fuse block out of the hole.
Turn red fuse block over and reinsert.
Close the door and it should say the proper voltage in the little red window.
Here are photos to help you.