A Model for Dry Sodium Bicarbonate Duct Injection Flue Gas Desulfurization
HI-E Dry 195 DRY 195...Ducting the HI-E Dry 195 as mentioned in sections 2.1B-2.1E requires...
Transcript of 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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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%
questquest
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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).
4. Defectivecompressor(Sec.5.6).
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.
8. Defectivecompressor(Sec.5.6).
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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HI-E DRY 195 Installation, Operation and Maintenance Instructions
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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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HI-E DRY 195 Installation, Operation and Maintenance Instructions
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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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HI-E DRY 195 Installation, Operation and Maintenance Instructions
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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
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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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