HI-E Dry 195 DRY 195...Ducting the HI-E Dry 195 as mentioned in sections 2.1B-2.1E requires...

Installation, Operation and Maintenance Instructions

– Read and Save These Instructions –

This manual is provided to acquaint you with the dehumidifier so that installation, operation and maintenance can proceed successfully. Ultimate satisfaction depends on the quality of installation and a thorough understanding of this equipment. The dehumidifier is built around tested engineering principles and has passed a thorough inspection for quality of workmanship and function.

HI-E Dry 195

Installation, Operation and Maintenance Instructions

4201 Lien Rd Phone 608-237-8400Madison, WI 53704 Toll-Free 1-800-533-7533www.QuestProtect.com [email protected]

– Read and Save These Instructions –

Specifications subject to change without notice.TS- 622b

06/101

HI-E DRY 195

HI-E Dry 195:

• Controlledbyadehumidistatwithsettingsfrom20to80percentrelativehumidityandapositive“on”and“off”setting.

• Containsablowerswitchthatpermitscontinuousbloweroperationindependentofdehumidification.

• Portableandprovidedwithfourcasters.

• Containsaninternalcondensatepumpcapableofliftingcondensate17feetand20feetofcondensatehose.

• Wiringisthroughafactoryinstalledsixfootpowercord;115voltwithground.

Water Removal Rates (Pints/Day) 320 pints 90˚F, 90%

245 pints 80˚F, 80%

192 pints 80˚F, 60% (AHAM) 205 pints 70˚F, 80%

150 pints 70˚F, 60%

162 pints 60˚F, 80%

91 pints 60˚F, 60%

81 pints 50˚F, 80%

40 pints 50˚F, 60%

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HI-E DRY 195 Installation, Operation and Maintenance Instructions

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Table of Contents

SafetyPrecautions............................................................. 31. Specifications.................................................................... 42. Installation........................................................................ 4 2.1 Location.................................................................... 4 2.1AInhumidarea,noducting................................. 5 2.1BInhumidarea,ductinletand/oroutlet.............. 5 2.1CInremotearea,ductinlet&outlet..................... 5 2.1DInremotearea,ductoutletonly........................ 5 2.1EInremotearea,ductinletonly........................... 5 2.2 ElectricalRequirements............................................. 5 2.3 CondensateRemoval................................................ 6 2.4Ducting.................................................................... 6 2.4AOptionalDucting............................................ 6 2.4BDuctingforDehumidification............................ 6 2.4CDuctingforFreshAir......................................... 6 2.5 OptionalRemoteHumidityControl........................... 7 2.6 HardWiringTheHI-EDry195.................................. 73. Operation........................................................................ 7 3.1HumidityControlAdjustment.................................... 7 3.2 FanSwitch................................................................ 7 3.3DefrostControlAdjustment....................................... 8 3.4 LowPressureControl................................................. 84. Maintenance.................................................................... 8 4.1 AirFilter................................................................... 85. Service.............................................................................. 8 5.1Warranty.................................................................... 8 5.2 Technicaldescription................................................. 9 5.3 Troubleshooting.................................................... 9,10 5.4 RefrigerantCharging................................................ 11 5.5 BlowerReplacement.............................................. 11 5.6 Compressor/CapacitorReplacement........................ 11 5.6ACheckingCompressorMotorCircuits.............. 11 5.6BReplacingaBurnedOutCompressor............... 12 5.6CReplacingaCompressor-................................ 13 Non-BurnOut 5.7 Relay....................................................................... 13 5.8HumidityControl.................................................... 13 5.9DefrostThermostat&Timer..................................... 13 5.10CondensatePump................................................... 136. WiringSchematic............................................................ 147. ServicePartsList.............................................................. 158. Accessories..................................................................... 169. Warranty......................................................................... 17

SerialNo.__________________________

PurchaseDate______________________

Dealer’sName______________________


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Safety PrecautionsReadtheinstallation,operationandmaintenanceinstructionscarefullybeforeinstallingandusingthisunit.ProperadherencetotheseinstructionsisessentialtoobtainmaximumbenefitfromyourHI-EDry195dehumidifier.

READ AND SAVE THESE INSTRUCTIONS

• ItisdesignedtobeinstalledINDOORS ONLY.

• Ifusednearapoolorspa,becertainthereisNOchancetheunitcouldrollintothewaterorbesplashedandthatitispluggedintoaGROUND FAULT INTERRUPTER.

•DO NOTusetheHI-EDry195asabenchortable.

•Avoiddischargingtheairdirectlyatpeople,especiallyinpoolareas.



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1. SpecificationsPartNumber 4030060

Power 115VAC12amps

Kilowatts 1.25(80°60%)

Blower 540CFM

Capacity(24hrs.) 192pints(80°,60%)

Temp.Range 33°F–110°F

Warranty 5YearLimited

Dimensions

Unit Shipping

Width 36.6” 39.25”

Height 40” 48.75”

Depth 19” 30”

Weight 180Lb 214Lb

MinimumPerformanceatSetConditions

IntakeAir 70°60% 80°60%

Waterremoval/day 156Lbs 200Lbs

Pints/KWH 5.4 5.9

2 Installation

2.1 LocationTheHI-EDry195canbeinstalledinavarietyoflocationstomeettheowner’sneedsaslistedbelow.Inallcaseskeepthefollowingcautionsinmind:

• ItisdesignedtobeinstalledINDOORS ONLY.

• Ifusednearapoolorspa,becertainthereisNOchancetheunitcouldrollintothewaterorbesplashedandthatitispluggedintoaGROUND FAULT INTERRUPTER.

• DO NOTusetheHI-EDry19asabenchortable.

• Avoiddischargingtheairdirectlyatpeople,especiallyinpoolareas.


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2.1A In Humid Area, No Ducting

ThesimplestinstallationistoplacetheHI-EDry195inthehumidareawithnoducting.Theairinletontop&outletonthesidemustbeatleast1’fromwallsandotherobstructionstoairflow.

2.1B In Humid Area, Duct inlet and/or Outlet

Ifthehumidareaisverylargeorhashighceilings,dehumidificationcanbeimprovedbyaddinganinletand/oroutletducttocirculateanddestratifystagnantareas.Foralargearea,addinletoroutletductingtocreateflowacrossthearea’sgreatestlength.

Forareaswithceilingshigherthan12’,useaninletducttodrawwarm,moistairfromneartheceiling.Seesection2.4forattachingductcollars&ducting.

2.1C In Remote Area, Duct Inlet & Outlet

Itisoftendesirable,especiallyinpoolroomsandfinishedareas,toinstalltheHI-EDry195inanadjacentequipmentroomorunfinishedarea.Airistransferredbetweenthehumidroomandtheunitviaducting.

ThefactorymountedhumiditycontrolontheHI-EDry195cabinetmaynotsensethehumidityinthehumidroomaccuratelyenoughwiththisinstallationmethod.Ifso,anadditionalhumiditycontrolcanbemountedinthehumidroomandwiredtotheHI-EDry195.Localelectricalcodesmustbefollowedwhenwiringthecontrol.

2.1D In Remote Area, Duct Outlet Only

AsimplerremoteinstallationmethodthantheoneaboveusesductingonlybetweentheHI-EDry195dischargeandthehumidroom;theHI-EDry195inletdrawsairfromtheroominwhichit’slocated.Thisworkswellifthereisanadequateairflowpathbetweenthetworooms;e.g.,highdoorundercut,louvereddoororwallgrill.Thiseliminatestheneedtoremotemountthehumiditycontrol.Thereareseveralpotentialdisadvantagestousingthismethod.First,humidairisdrawnintotheroomwheretheHI-EDry195islocated.Second,toaccuratelysensehumidity,theblowerintheHI-EDry195mayneedtoruncontinuouslytodrawairfromthehumidroomintotheHI-EDry195room.Third,aslightnegativepressureiscreatedintheroomwiththeHI-EDry195whichcouldbackdraftopencombustiondeviceslocatedthere.Ifsuchdevicesarepresent,callthefactoryforspecificinstructionsbeforeusingthisinstallationmethodorconsidertheoptionbelow.

2.1E In Remote Area, Duct Inlet Only

WhentheHI-EDry195islocatedinaroomseparatefromthemainareatobedehumidified,itmaybedesirabletodehumidifyand/orslightlypressurizethatroom.Pressurizationassuresthatopencombustiondevicesdonotbackdraftaswouldbethecaseiftheroomwassufficientlyde-pressurized.ThiscanbeaccomplishedbyinstallingaductfromthehumidroomtotheHI-EDry195inletandbyallowingtheHI-EDry195todischargethedehumidifiedairintotheroominwhichit’slocated.Anadequateairflowpathmustexistbetweenthetworoomsforthismethodtoworkwell.AnadditionalhumiditycontrolmayneedtobemountedinthehumidareaandwiredtotheHI-EDry195toaccuratelymaintainthedesiredhumidity.Localelectricalcodesmustbefollowedwhenwiringthecontrol.

2.2 Electrical RequirementsTheHI-EDry195plugsintoacommongroundedoutletona15Ampcircuit.Itdrawsbetween6and7Ampsundernormaloperatingconditions.Ifusedinawetarea(pool,sparoom,orbasementpronetoflooding),agroundfaultinterrupterprotectedcircuitisrequired.

Ifanextensioncordisrequired,itmusthaveaminimumof16gaugeconductorsiflessthan25feetlongand14gaugeifgreaterthan25feet.



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2.3 Condensate Removal

TheHI-EDry195isequippedwithaninternalcondensatepumptoremovethewaterthatiscondensedduringdehumidification.Thisallowsthecondensatetobepumped20’withtheattachedhose.Ifthecondensatemustbepumpedmorethan20feetabovetheunit,asecondpumpmustbeaddedtorelaythecondensate.ThecondensatepumpismountedinsidetheHI-EDry195asapermanent,integralpartoftheunit.ItincludesasafetyswitchfeaturethatpreventsfloodingbyturningofftheHI-EDry195ifthepumpfails.

2.4 Ducting

2.4A Optional Ducting

Twotwelve-inchcollarsareavailableasakitfromthefactorythatwillallowductingtobeattachedtotheinletandoutletoftheHI-EDry195.Attachtheinletcollartothetopoftheunitbycuttingtheeighttabsthatsupportthe12”roundopeninginthetop.The12”collarwiththreetabscanbeattachedviatheholesprovidedinthefrontoftheunit,andtheother12”collarcanbeaffixedtothetopopening.

2.4B Ducting for Dehumidification

DuctingtheHI-EDry195asmentionedinsections2.1B-2.1Erequiresconsiderationofthefollowingpoints:

Duct Sizing:Fortotalductlengthsupto25’,useaminimum10”diameterroundorequivalentrectangular.Forlongerlengths,useaminimum12”diameterorequivalent.Grillsordiffusersontheductendsmustnotexcessivelyrestrictairflow.

Isolated Areas:Effectivedehumidificationmayrequirethatductingbebranchedtoisolated,stagnantareas.Use8”diameterbranchductingtoeachoftwoorthreeareas;use6”toeachoffourorfiveareas;use4”toeachofsixormoreareas.

2.4C Ducting for Fresh Air

FreshaircanbebroughtintothestructurecontinuouslybyconnectingaductfromoutsidetotheHI-EDry195inletandbyturningonthefanswitch.Advantagesofthisformofventilationinclude:

1. Outsideairisfilteredbeforeenteringthebuilding.

2. OutsideairwillbedehumidifiedbeforeenteringiftheHI-EDry195isrunning.

3. Drawingairfromoutsideandblowinginsideaidsinpressurizingthestructure.Thishelpspreventunfilteredandundehumidifiedairfromenteringelsewhere.Italsoreducesthepotentialforcarcinogenicradongastoenter.

4.Theneedforanalternateventilationdevicemaybeeliminated.

Aninsulated4”diameterductisgenerallysufficienttoprovideupto70CFMofoutsideair.A6”ductwithanadjustabledamperisrecommendedforhigherflows.LargequantitiesofoutsideairwillimpactHI-EDry195performancepositivelyornegatively,dependinguponthedifferencebetweeninsideandoutsideairconditions.Consultthefactorybycalling1-800-533-7533forrecommendationsregardingtheuseofhigherflowswithyourspecificapplication.

Theoutsideairductshouldbeconnectedintothemaininletductclosetotheunit.Ifnootherinletductisused,itmaybenecessarytoobstructtheinletoftheHI-EDry195toensureadequateventilation.


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2.5 Optional Remote Humidity ControlA120Vacremotehumiditycontrolisavailablefromthefactory.Thiscontrolcanbewiredinparallelwiththeinternalhumiditycontrol.Unplugtheunitandremovethecabinetfront.RemovethefourscrewssecuringthecontrolboxtotheblowerendoftheHI-EDry195.Pullthecontrolboxawayfromtheblowerendtoallowaccess.Conduitcanbeconnectedtotheknockoutintheblowerend.Wirethetwoleadsfromtheremotehumiditycontroltothetwoorangeleadsprovidedinsidethecontrolbox.

NowyoucancontroltheHI-EDry195withtheinternalorremotehumiditycontrol.Ifyouwishtouseonlytheremotehumiditycontrol,turntheinternalhumiditycontrolcounter-clockwiseuntilitstops.Thiswillturntheinternalhumiditycontroloff.

2.6 Hard Wiring the HI-E Dry 195

1. Removethecabinetfronttotheleftofthecordmount.

2. Cutthecordnearthestrainreliefbushingandremovethecordandthestrainreliefbushing.

3. Trimandstripthewireendsforwirenuts.

4. Usea1/2”connectortoattachthehardwiringtotheHI-EDry195.Useaminimumof#3-14wire.Complywithallstateandlocalcoderequirements.

5. Usewirenutstoattachtheappropriatewireleads.

3. Operation

3.1 Humidity Control AdjustmentThedehumidifierwillruncontinuouslyuntiltherelativehumidity(RH)isreducedtothehumiditycontroldialsetting.SettingthehumiditycontroltolowerRHlevelswillNOTincreasetheunit’sdehumidificationrate,itwillsimplyrunlongertoreducethearea’sRHtothesetting.TheHI-EDry195100unit(andrefrigerantbaseddehumidifiersingeneral)willreduceawarmspace’sRHtoalowerlevelthanthatofacoolspace.Itisthereforepointlesstosetthehumiditycontroltoexcessivelylowlevelsincoolrooms.Doingsowillresultinlongperiodsofineffectivedehumidifierruntime.

Aqualityhumiditymeterisrecommendedtoaccuratelymonitorhumiditylevels.Foraquoteonaqualityhumiditymeter,callthefactory.

3.2 Fan SwitchTurningthefanswitchONwillcausetheunit’sinternalblowertoruncontinuously,whethertheunitisdehumidifyingornot.Thisfunctionisdesirableiftheunitisusedforaircirculationorfreshairventilation.

Figure 1: Hard Wiring the HI-E Dry 195



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3.3 Defrost Control Adjustment

WhentheHI-EDry195isusedinacoolarea,frostwillformonthecoolingcoilasitdehumidifies.Whenenoughfrostforms,thedefrostthermostatwillinitiatethetimeddefrostcycle.Thecycleperiodicallyturnsoffthecompressorwhileallowingtheblowertorun.Theairthattheblowerdrawsthroughthecoolingcoilmeltsthefrost.

Thedefrostcycleisautomaticanddesignedforoptimumperformanceabove50°F.

3.4 Low Pressure ControlIfthelowsiderefrigerantpressuredropsto35PSIG,thelowpressurecontrolopensandshutsoffthecompressorandblower.Itisanautomaticallyresetcontrolthatwillclosewhenthepressurerisesto60PSIG.Itsprimaryfunctionistopreventdamagetothecompressorifaleakdevelopsintherefrigerationsystem.ItmayalsoopeniftheunitisA)usedinacoolarea(below50°F)andthedefrosttimerisnotadjusted(seeSec.3.3)orB)storedwhereitisbelow40°Fandthenstarted.Undertheseconditions,theunitwillrestartwithinseveralminutes.Untiltheunitwarmsup,itmaycycleseveraltimes.

4.Maintenance

4.1 Air FilterTheHI-EDry195isequippedwithtwo2”thick,MERV8pleatedfabricairfiltersthatmustbecheckedregularly.Operatingtheunitwithdirtyfilterswillreducethedehumidifier’scapacityandefficiencyandmaycausethecompressortocycleoffandonunnecessarilyonthedefrostcontrol.

Thefiltercangenerallybevacuumedcleanseveraltimesbeforeneedingreplacement.Replacementfilterscanbeorderedfromthefactoryorpurchasedlocallyifavailable.DONOToperatetheunitwithoutthefilterorwithalesseffectivefilterastheheatexchangecoilsinsidetheunitcouldbecomecloggedandrequiredisassemblytoclean.

5. Service

CAUTION: Servicing the HI-E Dry 195 with its high-pressure refrigerant system and high voltage circuitry presents a health hazard which could result in death, serious bodily injury, and/or property damage. Only qualified service people should service this unit.

Figure 2: Defrost Control Timer


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5.1 WarrantyAwarrantycertificatehasbeenenclosedwiththisunit.Readitbeforeanyrepairisinitiated.Ifawarrantyrepairisrequired,callthefactoryfirstat1-800-533-7533forwarrantyclaimauthorizationandtechnicalassistance.

5.2 Technical Description

RefertoFigure3.TheHI-EDry195usesarefrigerationsystemsimilartoanairconditioner’storemoveheatandmoisturefromincomingair,andaddheattotheairthatisdischarged.

Hot,high-pressurerefrigerantgasisroutedfromthecompressortothecondensercoil.Therefrigerantiscooledandcondensedbygivingupitsheattotheairthatisabouttobedischargedfromtheunit.Therefrigerantliquidthenpassesthroughtwocapillarytubes,whichcausetherefrigerantpressureandtemperaturetodrop.Itnextenterstheevaporatorcoilwhereitabsorbsheatfromtheincomingairandevaporates.

Theevaporatoroperatesinafloodedcondition,whichmeansthatitshouldalwaysbefullofliquidrefrigerantduringnormaloperation.Afloodedevaporatorshouldmaintainconstantpressureandtemperatureacrosstheentirecoil,frominlettooutlet.

Themixtureofgasandliquidrefrigerantentertheaccumulatorafterleavingtheevaporatorcoil.Theaccumulatorpreventsanyliquidrefrigerantfromreachingthecompressor.Thecompressorevacuatesthecoolrefrigerantgasfromtheaccumulatorandcompressesittoahighpressureandtemperaturetorepeattheprocess.

5.3 TroubleshootingNo dehumidification, neither blower nor compressor run with fan switch OFF.

1. Unitunpluggedornopowertooutlet.

2. Humiditycontrolsettoohighordefective(Sec.3.1&5.9)

3. Looseconnectionininternalwiring.

4. Openlowpressurecontrol(Sec.3.4&5.7)

Some dehumidification, blower runs continuously but compressor only runs sporadically with fan switch OFF.

1. Unitisindefrostcycle(Sec.3.3&5.10).

2. Defrostthermostatdefectiveorloose (Sec.3.3&5.10).

3. Looseconnectionincompressorcircuit(seeFig.4).

4. Defectivecompressoroverload(Sec.5.6A).

5. Defectivecompressor(Sec.5.6).

Figure 3: Refrigeration system of HI-E Dry 195



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6. Defectiverelay(Sec.5.8).

7. Defectivedefrosttimer(Sec.5.10).

No dehumidification. Blower runs but compressor does not with fan switch OFF.

1. Badconnectionincompressorcircuit(Fig.4).

2. Defectivecompressorcapacitor(Sec.5.6A).

3. Defectivecompressoroverload(Sec.5.6A).


5. Defectiverelay(Sec.5.8).

6. Defectivedefrosttimer(Sec.5.10).

7. Badconnectioninpumpcircuit(Fig.4).

8. Pumpfloatswitchorsafetyswitchopen(Sec.5.11).

9. Pumpmotordefective(Sec.5.11).

Blower does not run. Compressor runs briefly but cycles on & off.

1. Looseconnectioninblowercircuit(Fig.4).

2. Obstructionpreventsimpellerrotation.

3. Defectiveblower(Sec.5.5).

Unit removes some water but not as much as expected.

1. Airtemperatureand/orhumidityhavedropped.

2. Humiditymeterand/orthermometerusedareoutofcalibration.

3. Unithasentereddefrostcycle(Sec.3.3&5.10).

4. Airfilterdirty(Sec.4.1).

5. Defectivedefrostthermostat(Sec.5.10).

6. Lowrefrigerantcharge(Sec.5.4).

7. Airleaksuchasloosecover.


9. Restrictiveducting(Sec.2.4).

Pump does not pump water.

1. Hosekinkedorplugged.

2. Pumpcheckvalveplugged(Sec.5.11).

3. Badconnectioninpumpcircuit(Fig.4).

4. Hosedisconnectedinternally.

Evaporator coil frosted continuously, low dehumidifying capacity.

1. Defrostthermostatlooseordefective(Sec.3.3&5.10).

2. Lowrefrigerantcharge(Sec.5.4).

3. Dirtyairfiltersorairflowrestricted.(Sec.4.1).


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5.4 Refrigerant ChargingIftherefrigerantchargeislostduetoserviceoraleak,anewchargemustbeaccuratelyweighedin.Ifanyoftheoldchargeisleftinthesystem,itmustberemovedbeforeweighinginthenewcharge.Refertotheunitnameplateforthecorrectchargeweightandrefrigeranttype.Addtherefrigerantthroughthelowsideserviceport(SeeFig.5).

5.5 Blower ReplacementThecentrifugalblowerhasaPSCmotorandinternalthermaloverloadprotection.Ifdefective,thecompleteassemblymustbereplaced.

1. Unplugthepowercord.

2. Removethecabinetfront(6screws).

3. Ifanoutletductisconnectedtotheunit,removeit.

4. Disconnecttheblowerleads:whitefromthecompressorruncapacitor,andblackconnectedtothefanswitch.

5. Removethenuts&boltsholdingthebloweroutletflangetothecabinetendandremovetheblower.

6. Reassemblingwiththenewbloweristheaboveprocedurereversed.

5.6 Compressor/Capacitor ReplacementThiscompressorisequippedwithatwoterminalexternaloverload,runcapacitor,butnostartcapacitororrelay(seeFig.4).

CAUTION-ELECTRICAL SHOCK HAZARD: Electrical power must be present to perform some tests; these tests should be performed by a qualified service person.

5.6A Checking Compressor Motor Circuits

PerformthefollowingtestsiftheblowerrunsbutthecompressordoesnotwiththehumiditycontrolON.

1. TurnthehumiditycontrolOFFandunplugtheunit,removethecabinetfront(6screws).

2. PlugintheunitandturnthehumiditycontrolON.Useavoltmetertocheckfor110to120voltsbetween(a)therelayterminalthattheblackwirefromthecompressorconnectstoand(b)thecapacitorterminalwiththe(2)whitewires,(1)redwire&(1)brownwireconnected.Ifvoltageispresent,gotostep3.Ifnovoltage,thelowpressurecontrol,thedefrostthermostat,therelayorthecondensatepumpsafetyswitchareopenorthereisalooseconnectioninthecompressorcircuit.Testeachcomponentforcontinuity;seetheappropriatesectionifadefectissuspected

3. TurnthehumiditycontrolOFFandunplugtheunit,thendisconnecttheredandyellowwiresfromcompressorterminalsR&S.Usinganohmmetercheckcontinuitybetweenthepointslistedbelow.

4. CompressorterminalsCandS:Nocontinuityindicatesanopenstartwinding;thecompressormustbereplaced.

5. CompressorterminalsCandR:Nocontinuityindicatesanopenrunwinding;thecompressormustbereplaced.

6. CompressorterminalCandoverloadterminal1:Nocontinuityindicatesadefectiveoverloadlead.

7. Overloadterminals1and3:Ifthereisnocontinuity,theoverloadmaybetripped;wait10minutesandtryagain.Ifthereisstillnocontinuity,itisdefectiveandmustbereplaced.



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8. CompressorterminalCandcompressorcase:Continuityindicatesagroundedmotor;thecompressormustbereplaced.

9. Disconnectthewiresfromthecapacitor.SettheohmmetertotheRx1scale;thecapacitorisshortedandmustbereplacedifcontinuityexistsacrossitsterminals.IfthereisnoneedlemovementwiththemetersetontheRx100000scale,thecapacitorisopenandmustbereplaced.

10.Reconnectthewirestothecompressorandcapacitor;pluginandturnontheunit.Ifthecompressorfailstostart,replacetheruncapacitor.

11.Iftheunitstilldoesnotstart,addingahard-startkitwillprovidegreaterstartingtorque.Ifthisdoesnotwork,thecompressorhasaninternalmechanicaldefectandmustbereplaced.

5.6B Replacing a Burned Out Compressor

Therefrigerantandoilmixtureinacompressorischemicallyverystableundernormaloperatingconditions.However,whenanelectricalshortoccursinthecompressormotor,theresultinghightemperaturearccausesaportionoftherefrigerantoilmixturetobreakdownintocarbonaceoussludge,averycorrosiveacid,andwater.Thesecontaminantsmustbecarefullyremovedotherwiseevensmallresidueswillattackreplacementcompressormotorsandcausefailures.

Thefollowingprocedureiseffectiveonlyifthesystemismonitoredafterreplacingthecompressortoinsurethatthecleanupwascomplete.

1. Thisprocedureassumesthatthepreviouslylistedcompressormotorcircuittestsrevealedashortedoropenwinding.Ifso,cautiouslysmelltherefrigerantfromthecompressorserviceportfortheacidodorofaburnout.

WARNING: The gas could be toxic and highly acidic. If no acid odor is present, skip down to the section on changing a non-burn out compressor.

2. Removeandproperlydisposeofthesystemcharge.DONOTventtherefrigerantorallowittocontactyoureyesorskin.

3. Removetheburnedoutcompressor.Userubberglovesifthereisanypossibilityofcomingincontactwiththeoilorsludge.

4. Tofacilitatesubsequentsteps,determinethetypeofburnoutthatoccurred.Ifthedischargelineshowsnoevidenceofsludgeandthesuctionlineisalsocleanorperhapshassomelightcarbondeposits,theburnoutoccurredwhilethecompressorwasnotrotating.Contaminantsarethereforelargelyconfinedtothecompressorhousing.Asingleinstallationofliquidandsuctionlinefilter/drierswillprobablycleanupthesystem.

Ifsludgeisevidentinthedischargeline,itwilllikelybefoundinthesuctionline;thisindicatesthecompressorburnedoutwillrunning.Sludgeandacidhavebeenpumpedthroughoutthesystem.Severalchangesoftheliquidandsuctionfilter/drierswillprobablybenecessarytocleansethesystem.

5. Correctthesystemfaultthatcausedtheburnout.Consultthefactoryforadvice.

6. Installthereplacementcompressorwithanewcapacitorandanoversizedliquidlinefilter.

Inarunningburnout,installanoversizedsuctionlinefilter/drierbetweentheaccumulatorandcompressor.Thoroughlyflushtheaccumulatorwithrefrigeranttoremovealltrappedsludgeandtopreventtheoilholefrombecomingplugged.Astandingburnoutdoesnotrequireasuctionlinefilter/drier.

7. Evacuatethesystemwithagoodvacuumpumpandaccuratevacuumgauge.Leavethepumponthesystemforatleastanhour.

8. Operatethesystemforashortperiodoftime,monitoringthesuctionpressuretodeterminethatthe


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suctionfilterisnotbecomingplugged.Replacethesuctionfilter/drierifpressuredropoccurs.Ifasevererunningburnouthasoccurred,severalfilter/driersmayhavetobereplacedtoremovealloftheacidandmoisture.

NOTE: NEVER use the compressor to evacuate the system or any part of it.

5.6C Replacing a Compressor- Non-Burn Out

Removetherefrigerantfromthesystem.Replacethecompressorandliquidlinefilter/drier.Chargethesystemto50PSIGandcheckforleaks.Removethechargeandweighintherefrigerantquantitylistedonthenameplate.Operatethesystemtoverifyperformance.

5.7 Relay

Thecontactsofthesinglepole,singlethrowrelaycompletethepowercircuittothecompressor.Thecontactsareclosedwhenpowerisprovidedtotherelaycoilviathecontrolcircuit.Thecontrolcircuitincludesthehumiditycontrol,lowpressurecontrol,defrostthermostatandtimer.

5.8 Humidity ControlThehumiditycontrolisanadjustableswitchthatcloseswhentherelativehumidityoftheairinwhichitislocatedrisestothedialsetpoint.ItopenswhentheRHdrops4to6%belowthesetpoint.

5.9 Defrost Thermostat & TimerThedefrostthermostatisattachedtotherefrigerantsuctiontubebetweentheaccumulatorandcompressor.Ifthelowsiderefrigeranttemperaturedropsduetoexcessivefrostformationontheevaporatorcoil,thethermostatopens.Thecompressoristhencycledoffandonbythedefrosttimer.Theblowerwillcontinuetorun,causingairtoflowthroughtheevaporatorcoilandmelttheicewhenthecompressorisoff.Whentheairtemperatureand/orhumidityincrease,theevaporatortemperaturewillriseandthethermostatwillclosetoendthedefrostcycle.

Toimproveperformanceinlowtemperatures,seeSec.3.3fordefrosttimeradjustment.

5.10 Condensate PumpCondensateisautomaticallypumpedwhenthewaterlevelinthepump’sreservoirrisestoclosethefloatswitch.

Ifthepumpisunabletoemptyitsreservoirduetoapumpfailureorblockedcondensatehose,apumpsafetyfloatswitchistriggeredbeforethereservoiroverflows.Theswitchturnsoffthecompressorviaitsrelay.

Toreplacethecondensatepump:

1. Unplugtheunit&removethefrontcover.

2. Disconnectthe2hosesfromthepump.

3. Cutthepumpleadwiresneartheoldpump.

4. Removethe2nutsfromtheunitsidethatholdthepumptotheside.

5. Attachthenewpumpwith2nuts.

6. Connectthenewpumpwiring.

7. Connectthehosestothenewpump.Carefullyroutethehosessotheydonotcontactthecopperrefrigerantlinesorthecompressorshell.



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Figure 4: Electrical Schematic of HI-E Dry 195

RED

RELAY

DKBLU

GRY

RED

AUTO

AUTO

RELAY CONTACTSDEFROSTCONTROL

DEFROSTCONTROL

VIOON

ON

BLK

BLK

BLK

WHT

VIO

YEL

SWITCHMOTOR

BRN

WHT

COMPRESSOR

COMPRESSORCOMPRESSOR

OVERLOAD

PART NO. REV.

4023609 C

RUNCAPACITOR

RUNCAPACITOR

YEL

BRN

TIMER

TIMER SWITCH

WHT

WHT

WHT

PNK

MOTOR

WHT

BLK

BLK

BLK

BLK

GRN

115VAC,60HZ, 1PH

CONDENSATE PUMP

FLOATSWITCH

PUMP FLOATSWITCH

SAFETYSWITCH

C NO

1

4 6 1 CS

R

2 3 5

NC

BLK

ORG

ORG

ORG

BLOWERSWITCH

BLOWERSWITCH

BLOWERMOTOR

BLOWER MOTOR

PUMP MOTOR

TIMER MOTOR

RELAY COIL PUMP SAFETYSWITCH

HUMIDISTAT

HUMIDISTAT

4 6

0 1

3 5

C

S

R

Made in U.S.A.Therma-Stor LLC, Madison, WI

800-533-7533 or Local 608-222-5301www.thermastor.com

6. Wiring Diagram


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7. Service Parts: HI-E Dry 195 DehumidifierITEM PART NO. QTY. DESCRIPTION

1 4021083 1 BlowerwithCapacitor2 4028249 1 Capacitor,Run,50MFD,370v3 4011589 2 CapillaryTubes4 4023604 4 Caster,2”,Plastic,Swivel5 4028246 1 Coil,Condenser6 4028245 1 Coil,Evaporator7 4030131 1 Compressor 4030121 1 CompressorOverload8 4023649 1 CondensatePump9 4029508 1 Control,LowPressure10 4023495 1 Cord&WireHarness11 4021470 1 DefrostThermostat 4021648 1 DefrostThermostatMountingClip12 4021823 1 DefrostTimer(4021823)13 4023603 1 DuctCollarKit,Optional14 4021799 2 Filter,Air(2”X16”X16”),(GraingerP/N6B958)15 4025087 1 Filter/Drier16 4017152 1 Hose,Drain,.38”x20’long17 4021689 1 Hose,DrainPan,.56”IDx16”long(notshown)18 4021469 1 HumidityController,Internal 4021495 1 Knob19 4020175 HumidityController,Remote,Optional,(HoneywellH46C1000)20 1096010 6 MachineScrew,StainlessSteel,¼-20X1”(forFrontCover)21 1970010 1 Relay,SPDT(OmronG7L-1A-TUB-CB-AC100/120)22 4023549 6 Self-RetainingNut,¼-2023 4020988 1 ServiceValveAssemblyw/Core&Cap24 4025560 1 Switch,SPDT,On-Off,forFan25 4021818 1 Accumulator 4023609 1 WiringDiagram(notshown)

1

2

3

4

5

6

78

9

10

11

12

13

24

14

15

16

18

20

21

22

23

25

17 and 19 Not Shown



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8. ACCESSORIES: HI-E Dry 195 Dehumidifier

PART NO. DESCRIPTION

4023684 DuctCollarKit

4020175 HumidityController

4021799 Filter(2Required)

4024750 12”x25’FlexDuct


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HI-E Dry 195 Installation, Operation and Maintenance Instructions

HI-E Dry 195 Dehumidifier Limited Warranty Warrantor:

Therma-StorLLC4201LienRdMadison,WI53704Telephone:1-800-533-7533

Who Is Covered:Thiswarrantyextendsonlytotheoriginalend-useroftheHI-EDry195dehumidifier,andmaynotbeassignedortransferred.

Year One:Therma-Storwarrantsthat,forone(1)yeartheHI-EDry195dehumidifierwilloperatefreefromanydefectsinmaterialsandworkmanship,orTherma-Storwill,atitsoption,repairorreplacethedefectivepart(s),freeofanycharge.

Year(s) Two Through Five:Therma-Storfurtherwarrantsthatforaperiodoffive(5)years,thecondenser,evaporator,andcompressoroftheHI-EDry195dehumidifierwilloperatefreeofanydefectsinmaterialorworkmanship,orTherma-Stor,atitsoption,willrepairorreplacethedefectivepart(s),providedthatalllaborandtransportationchargesforthepart(s)shallbebornebytheend-user.

End-User Responsibilities:WarrantyservicemustbeperformedbyaServicerauthorizedbyTherma-Stor.Iftheend-userisunabletolocateorobtainwarrantyservicefromanauthorizedServicer,heshouldcallTherma-StorattheabovenumberandaskfortheTherma-StorServiceDepartment,whichwillthenarrangeforcoveredwarrantyservice.Warrantyservicewillbeperformedduringnormalworkinghours.

Theend-usermustpresentproofofpurchase(lease)uponrequest,byuseofthewarrantycardorotherreasonableandreliablemeans.Theend-userisresponsiblefornormalcare.Thiswarrantydoesnotcoveranydefect,malfunction,etc.resultingfrommisuse,abuse,lackofnormalcare,corrosion,freezing,tampering,modification,unauthorizedorimproperrepairorinstallation,accident,actsofnatureoranyothercausebeyondTherma-Stor’sreasonablecontrol.

Limitation and Exclusions:IfanyHI-EDry195Dehumidifierpartisrepairedorreplaced,thenewpartshallbewarrantedforonlytheremainderoftheoriginalwarrantyperiodapplicablethereto(butallwarrantyperiodswillbeextendedbytheperiodoftime,ifany,thattheHI-EDry195Dehumidifierisoutofservicewhileawaitingcoveredwarrantyservice).

UPONTHEEXPIRATIONOFTHEWRITTENWARRANTYAPPLICABLETOTHEHI-EDry195DEHUMIDIFIERORANYPARTTHEREOF,ALLOTHERWARRANTIESIMPLIEDBYLAW,INCLUDINGMERCHANTABILITYANDFITNESSFORAPARTICULARPURPOSE,SHALLALSOEXPIRE.ALLWARRANTIESMADEBYTHERMA-STORARESETFORTHHEREIN,ANDNOCLAIMMAYBEMADEAGAINSTTHERMA-STORBASEDONANYORALWARRANTY.INNOEVENTSHALLTHERMA-STOR,INCONNECTIONWITHTHESALE,INSTALLATION,USE,REPAIRORREPLACEMENTOFANYHI-EDry195DEHUMIDIFIERORPARTTHEREOFBELIABLEUNDERANYLEGALTHEORYFORANYSPECIAL,INDIRECTORCONSEQUENTIALDAMAGESINCLUDINGWITHOUTLIMITATIONWATERDAMAGE(THEEND-USERSHOULDTAKEPRECAUTIONSAGAINSTSAME),LOSTPROFITS,DELAY,ORLOSSOFUSEORDAMAGETOANYREALORPERSONALPROPERTY.

Somestatesdonotallowlimitationsonhowlonganimpliedwarrantylasts,andsomedonotallowtheexclusionorlimitationofincidentalorconsequentialdamages,sooneorbothoftheselimitationmaynotapplytoyou.

Legal Rights:Thiswarrantygivesyouspecificlegalrights,andyoumayalsohaveotherrightswhichvaryfromstatetostate.


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HI-E Dry 195 DRY 195...Ducting the HI-E Dry 195 as mentioned in sections 2.1B-2.1E requires...

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