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SECTION 2—INSTALLATION/SEQUENCE OF OPERATION

Perfecto

™

12 Part No 1148070

SECTION 2—INSTALLATION/

SEQUENCE OF OPERATION

Verification of Battery Free Power Loss Alarm

CheckthePerfecto2concentratorforproperoperatingconditions.

1. Iftheunithasbeeninbelow‐freezingtemperatures,allowittowarmuptoroom

temperaturebeforeoperating.

2. Theconcentratormayneedtobeturnedonforfourtofivesecondstochargethe

BatteryFreePowerLossAlarm.Connectpowercordtooutletandturnthe

concentratoron.Turnflowcontrolknobcounterclockwiseandflowwillbegin

IMMEDIATELY.SetflowratetofiveL/min.Lettheunitrunfor30minutes,thenturn

unitoff.

3. UnplugthepowercordandpressOn/Off( )switchtotheOn()position.An

intermittentaudiblealarmwillsound.ThisconfirmsproperoperationoftheBattery

FreePowerLossAlarm.TurnOn/OffswitchOff( ).

4. Connectpowercordtooutletandturnonconcentrator.Unitwillbeeponstart‐up.

5. Checktheoxygenconcentrationperspecificationsafter30‐40minutesrunningtime.

Sequence of Operation

TurningOn()thepowerswitchapplies120VACtothecompressormotor,hourmeter,

transformer,coolingfanandtheprintedcircuit(P.C.)board.

Roomairentersthecompressorviathecabinetfilterandthecompressorinletfilter.The

airiscompressedbythewobblepistonsinthecompressortoapressureof21p.s.i.(144.79

kPa).

Asincreasedpressurecreatesincreasedtemperature,aheatexchangerisusedtolower

thetemperaturebeforetheairentersthe4‐wayvalve.Itisthenchanneledtoasievebed

containingtheadsorptionmaterial.Restrictiondownstreamofthesievebedcauses

pressuretobuild

upinsidethesievebedwhichisnecessaryfortheadsorptionprocess.A 

smallamountofrelativelypureoxygenentersthetopofthesecondbedthrougha

restrictiveleakinthepressureequalization(P.E.)valvewiththebalanceenteringa

storagetank.Thenitrogenremovedisexhaustedbackfromthebedthroughthe4‐way

valveintoroomair.Amufflerislocatedattheexhaustendofthevalvetomufflethe

soundoftheexhaustasitexitstheconcentrator.

Theoxygennotbeingusedtoexhaustischanneledintothestoragetank.Thepressurized

oxygenisregulateddowntofivep.s.i.(34.4kPa),entersanaccurateflow‐measuring

device,flowsthroughOutletHEPAfilterandcheckvalve,thenouttothepatient.

I/O

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