MN220-1 B 85
Portable Oxygen Concentrator
4.
When installing a new fan, be sure the arrow on the side of the fan is pointing outwards
toward the front cover. This arrow indicates the direction of the airflow of the fan. For the
FreeStyle, ensure the two wires coming from the fan are located on the upper left side. For
the FreeStyle 5, ensure the two wires coming from the fan are located on the upper right
side.
Figure 24.3: Replacing the Fan
5.
Insert the four screws through each of the four corners of the fan. Secure with nut.
DO NOT OVER
TIGHTEN.
6.
Connect the Molex connector from the fan to the circuit board.