5. Attach the swagelok nut on the line from the vent cutoff valve to the vent bulkhead on the
3000/3100 concentrator, refer to figure below.
6. Plug the Centurion Communication cable into the back of the Centurion, see Chapter 2 of
manual. Plug the 3000/3100 connection to the back of the 3000/3100, refer to picture
below. Plug the power cable to the Vent Cutoff valve, refer to picture above.