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Invacare IRC5P Oxygen Equipment User Manual

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SECTION 25—SIEVE BED PRESSURE CHECK

Part No 1148070 87 Perfecto

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4. Checkeachconnectiontomakesureitistight.

5. TurntheconcentratorOn().

NOTE:AdjusttheconcentratortoMAXIMUMratedliterflowto5L/min.

NOTE:Waitapproximatelyfiveminutestoallowsystempressurestoachieveproperequilibrium

beforetesting.

6. Thepressureintheconcentratorshouldrisewithin20secondsto21p.s.i.g.±0.3and

shiftthe4‐wayvalvetotheoppositesievebed.

7. Afterthe4‐wayvalveshift,thepressureintheconcentratorwilldropto12p.s.i.g.±2

beforerisingwithin20secondsto21p.s.i.g.±0.3andshiftthe4‐wayvalvetothe

oppositesievebed.

8. Ifpressurereadingis21p.s.i.g.±0.3whenbothvalveshiftsaremade,proceedtoSTEP

10.

9. Ifpressureintheconcentratordoesnotfallintothespecificationslistedabove,refer

toTroubleshootingonpage 16.

10. Turntheconcentratoroff(O).

11. DisconnectpressuregaugefromtheHomeFillportandreinstallplug.

FIGURE 25.2 Pressure Testing

I/

Pressure

Gauge

Back of

Concentrator

Plug

¼ x 2-inch

Silicone Tubing

with Connector

HomeFill Port

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