Outlet Pressure Test - CAIRE Companion 5 Technical Manual

5. Cut zip tie from the tubing attached to the regulator and
remove this tube.
• Sieve bed is now exposed. Recommend
Note:
plugging or capping the valve to avoid sieve
bed moisture contamination.
6. Disconnect both the 4-way solenoid and power cord electri-
cal wires from the main circuit board
7. Cut zip tie securing all wires together.
Oxygen Concentrator
8. The two cases should now separate completely for service to
the internal components.

Outlet Pressure Test

1. Turn the power switch to the "ON" position.
2. Set the flow meter to 5 LPM.
3. Allow the concentrator to run for a minimum of ten (10)
minutes.
4. Connect an external test pressure gauge to the outlet barb.
5. Verify that the flow meter ball drops to a reading of 0 LPM.
6. Observe the reading on the pressure gauge. Acceptable read-
ings should range between 4.3-4.9 psig.
If the outlet pressure reading is not between 4.3-
Note: 4.9 psig, refer to the Troubleshooting section of
this manual and the steps for Poor Outlet Pressure.
7. Turn the power switch in the "OFF" position.
8. Remove the pressure gauge from the outlet barb.
PN 14940837 B — 31