Quest Engineering HI-E Dry 100 Manual

HI-E Dry100
HI-E Dry 100
Installation, Operation and Maintenance Instructions
– Read and Save These Instructions –
This manual is provided to acquaint you with
the humidity control device 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 humidity
control device is built around tested engineering
principles and has passed a thorough inspection
for quality of workmanship and function.
Installation, Operation and Maintenance Instructions
4201 Lien Rd.
Madison, WI 53704 Toll-Free 1-800-533-7533
www.QuestProtect.com [e-mail]
– Read and Save These Instructions –
Specications subject to change without notice.
TS-598
04/14
1
HI-E Dry 100:
• Controlledbyadehumidistatwithsettings
from20to80percentrelativehumidityanda
positive“on”and“off”setting.
• Containsablowerswitchthatpermits
continuousbloweroperationindependentof
dehumidication.
• Portableandprovidedwithfourcasters.
• Containsaninternalcondensatepumpcapable
ofliftingcondensate17feetand20feetof
condensatehose.
• Wiringisthroughafactoryinstalledsixfoot
powercord;115voltwithground.
• EnvironmentallyfriendlyR410Arefrigerant.
Water Removal Rates (Pints/Day)
172 pints 90˚F, 90%
129 pints 80˚F, 80%
110 pints 80˚F, 60% (AHAM)
113 pints 70˚F, 80%
83 pints 70˚F, 60%
94 pints 60˚F, 80%
64 pints 60˚F, 60%
67 pints 50˚F, 80%
25 pints 50˚F, 60%
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HI-E DRY 100 Installation, Operation and Maintenance Instructions
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Table of Contents
1. Specications................................................................4
2. Installation....................................................................4
 2.1Location.................................................................4
  2.1AInhumidarea,noducting..............................5
  2.1BInhumidarea,ductinletand/oroutlet...........5
  2.1CInremotearea,ductinlet&outlet.................5
  2.1DInremotearea,ductoutletonly.....................5
  2.1EInremotearea,ductinletonly........................5
 2.2ElectricalRequirements..........................................5
 2.3CondensateRemoval............................................6
 2.4Ducting.................................................................6
  2.4AOptionalDucting.........................................6
  2.4BDuctingforDehumidication........................6
  2.4CDuctingforFreshAir......................................6
3. Operation.....................................................................6
 3.1HumidityControlAdjustment................................6
 3.2FanSwitch............................................................7
 3.3DefrostControlAdjustment....................................7
4. Maintenance................................................................7
 4.1AirFilter................................................................7
5. Service..........................................................................7
 5.1Warranty................................................................7
 5.2Technicaldescription.............................................7
 5.3Troubleshooting.....................................................8
 5.4RefrigerantCharging..............................................9
 5.5BlowerReplacement.............................................9
 5.6Compressor/CapacitorReplacement.....................10
  5.6ACheckingCompressorMotorCircuits...........10
  5.6BReplacingaBurnedOutCompressor...........10
  5.6CReplacingaCompressor-............................11
  Non-BurnOut
 5.7Relay....................................................................11
 5.8HumidityControl.................................................12
 5.9DefrostThermostat...............................................12
 5.10CondensatePump...............................................12
6. WiringDiagram..........................................................13
7. ServicePartsList..........................................................14
8. FilterInstallationInstructions.......................................15
 Warranty.....................................................................16
SerialNo.__________________________
PurchaseDate______________________
Dealer’sName______________________

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Safety Precautions
Readtheinstallation,operationandmaintenanceinstructionscarefullybeforeinstallingandusingthis
unit.ProperadherencetotheseinstructionsisessentialtoobtainmaximumbenetfromyourHI-EDry100
humiditycontroldevice.
READ AND SAVE THESE INSTRUCTIONS
•ItisdesignedtobeinstalledINDOORS ONLY.
•DO NOTusetheHI-EDry100asabenchortable.
•Avoiddischargingtheairdirectlyatpeople.

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HI-E DRY 100 Installation, Operation and Maintenance Instructions
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1. Specications
PartNumber 4029730
Power 110-120VAC6.4amps
Kilowatts 0.70(80°60%)
Blower 275CFM
Capacity(24hrs.) 110pints(80°,60%)
Temp.Range 33°F–110°F
Warranty 5YearLimited
Dimensions
 Unit Shipping
Width 20” 25”
Height 36” 41”
Depth 17” 24”
Weight 110Lb 125Lb
MinimumPerformanceatSetConditions
IntakeAir 70°60% 80°60%
Waterremoval/day 86Lbs 114Lbs
Pints/KWH 6.0 6.3
2 Installation
2.1 Location
TheHI-EDrycanbeinstalledinavarietyoflocationstomeettheowner’sneedsaslistedbelow.Inallcases
keepthefollowingcautionsinmind:
•ItisdesignedtobeinstalledINDOORS ONLY.
•Ifusednearapoolorspa,becertainthereisNOchancetheunitcouldrollintothewaterorbesplashed
andthatitispluggedintoaGROUND FAULT INTERRUPTER.
•DO NOTusetheHI-EDryasabenchortable.
•Avoiddischargingtheairdirectlyatpeople,especiallyinpoolareas.

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2.1A In Humid Area, No Ducting
ThesimplestinstallationistoplacetheHI-EDry100inthehumidareawithnoducting.Theairinletontop
&outletonthesidemustbeatleast1’fromwallsandotherobstructionstoairow.
2.1B In Humid Area, Duct inlet and/or Outlet
Ifthehumidareaisverylargeorhashighceilings,dehumidicationcanbeimprovedbyaddinganinlet
and/oroutletducttocirculateanddestratifystagnantareas.Foralargearea,addinletoroutletductingto
createowacrossthearea’sgreatestlength.
Forareaswithceilingshigherthan12’,useaninletducttodrawwarm,moistairfromneartheceiling.See
section2.4forattachingductcollars&ducting.
2.1C In Remote Area, Duct Inlet & Outlet
Itisoftendesirable,especiallyinnishedareas,toinstalltheHI-EDry100inanadjacentequipmentroom
orunnishedarea.Airistransferredbetweenthehumidroomandtheunitviaducting.
ThefactorymountedhumiditycontrolontheHI-EDry100cabinetmaynotsensethehumidityinthehumid
roomaccuratelyenoughwiththisinstallationmethod.Ifso,anadditionalhumiditycontrolcanbemounted
inthehumidroomandwiredtotheHI-EDry100.Localelectricalcodesmustbefollowedwhenwiringthe
control.
2.1D In Remote Area, Duct Outlet Only
AsimplerremoteinstallationmethodthantheoneaboveusesductingonlybetweentheHI-EDry100
dischargeandthehumidroom;theHI-EDry100inletdrawsairfromtheroominwhichit’slocated.This
workswellifthereisanadequateairowpathbetweenthetworooms;e.g.,highdoorundercut,louvered
doororwallgrill.Thiseliminatestheneedtoremotemountthehumiditycontrol.Thereareseveralpotential
disadvantagestousingthismethod.First,humidairisdrawnintotheroomwheretheHI-EDry100is
located.Second,toaccuratelysensehumidity,theblowerintheHI-EDry100mayneedtoruncontinuously
todrawairfromthehumidroomintotheHI-EDry100room.Third,aslightnegativepressureiscreated
intheroomwiththeHI-EDry100whichcouldbackdraftopencombustiondeviceslocatedthere.Ifsuch
devicesarepresent,callthefactoryforspecicinstructionsbeforeusingthisinstallationmethodorconsider
theoptionbelow.
2.1E In Remote Area, Duct Inlet Only
WhentheHI-EDry100islocatedinaroomseparatefromthemainareatobedehumidied,itmaybe
desirabletodehumidifyand/orslightlypressurizethatroom.Pressurizationassuresthatopencombustion
devicesdonotbackdraftaswouldbethecaseiftheroomwassufcientlyde-pressurized.Thiscanbe
accomplishedbyinstallingaductfromthehumidroomtotheHI-EDry100inletandbyallowingtheHI-E
Dry100todischargethedehumidiedairintotheroominwhichit’slocated.Anadequateairowpath
mustexistbetweenthetworoomsforthismethodtoworkwell.Anadditionalhumiditycontrolmayneedto
bemountedinthehumidareaandwiredtotheHI-EDry100toaccuratelymaintainthedesiredhumidity.
Localelectricalcodesmustbefollowedwhenwiringthecontrol.
2.2 Electrical Requirements
TheHI-EDryplugsintoacommongroundedoutletona15Ampcircuit.Itdrawsbetween6and7Amps
undernormaloperatingconditions.Ifusedinawetarea(pool,sparoom,orbasementpronetoooding),a
groundfaultinterrupterprotectedcircuitisrequired.
Ifanextensioncordisrequired,itmusthaveaminimumof16gaugeconductorsiflessthan25feetlongand
14gaugeifgreaterthan25feet.

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2.3 Condensate Removal
TheHI-EDry100isequippedwithacondensatepumptoremovethewaterthatiscondensedduring
dehumidication.Thisallowsthecondensatetobedisposedofatadistantlocation,ortobepumpedtoa
levelabovetheHI-EDry100.ThecondensatepumpismountedinsidetheHI-EDry100asanintegralpart
oftheunit.Ifthecondensatemustbepumpedmorethan18feetabovetheunit,asecondpumpmustbe
addedtorelaythecondensate.
2.4 Ducting
2.4A Optional Ducting
Aninletshroudwitha8”roundcollarandan8”roundexhaustcollarareavailablefromthefactorythatwill
allowroundductingtobeattachedtotheinletand/oroutletoftheHI-EDry100.
2.4B Ducting for Dehumidication
DuctingtheHI-EDry100asmentionedinsections2.1B-2.1Erequiresconsiderationofthefollowingpoints.
DuctSizing:Fortotalductlengthsupto25’,useaminimum8”diameterroundorequivalentrectangular.
Forlongerlengths,useaminimum10”diameterorequivalent.Grillsordiffusersontheductendsmustnot
excessivelyrestrictairow.
IsolatedAreas:Effectivedehumidicationmayrequirethatductingbebranchedtoisolated,stagnantareas.
Use6”diameterbranchductingtoeachoftwoorthreeareas;use4”toeachoffourormoreareas.
2.4C Ducting for Fresh Air
FreshaircanbebroughtintothestructurecontinuouslybyconnectingaductfromoutsidetotheHI-EDry
100inletandbyturningonthefanswitch.Advantagesofthisformofventilationinclude:
1. Outsideairislteredbeforeenteringthebuilding.
2. OutsideairwillbedehumidiedbeforeenteringiftheHI-EDry100isrunning.
3. Drawingairfromoutsideandblowinginsideaidsinpressurizingthestructure.Thishelpsprevent
unlteredandundehumidiedairfromenteringelsewhere.Italsoreducesthepotentialforcarcinogenic
radongastoenter.
4.Theneedforanalternateventilationdevicemaybeeliminated.
3. Operation
3.1 Humidity Control Adjustment
Thehumiditycontroldevicewillruncontinuouslyuntiltherelativehumidity(RH)isreducedtothe
humiditycontroldialsetting.SettingthehumiditycontroltolowerRHlevelswillNOTincreasetheunit’s
dehumidicationrate,itwillsimplyrunlongertoreducethearea’sRHtothesetting.TheHI-EDry100unit
(andrefrigerantbasedhumiditycontroldevicesingeneral)willreduceawarmspace’sRHtoalowerlevel
thanthatofacoolspace.Itisthereforepointlesstosetthehumiditycontroltoexcessivelylowlevelsincool
rooms.Doingsowillresultinlongperiodsofineffectivehumiditycontroldeviceruntime.
Aqualityhumiditymeterisrecommendedtoaccuratelymonitorhumiditylevels.Foraquoteonaquality
humiditymeter,callthefactory.

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3.2 Fan Switch
TurningthefanswitchONwillcausetheunit’sinternalblowertoruncontinuously,whethertheunitis
dehumidifyingornot.Thisfunctionisdesirableiftheunitisusedforaircirculationorfreshairventilation.
3.3 Defrost Control Adjustment
WhentheHI-EDry100isusedinacoolarea,frostwillformonthecoolingcoilasitdehumidies.When
enoughfrostforms,thedefrostthermostatwillinitiatethetimeddefrostcycle.Thecycleperiodicallyturns
offthecompressorwhileallowingtheblowertorun.Theairthattheblowerdrawsthroughthecoolingcoil
meltsthefrost.
Thedefrostcycleisautomaticanddesignedforoptimumperformanceabove50°F.
4.Maintenance
4.1 Air Filter
TheHI-EDry100isequippedwitha2”thick,35%efcientpleatedfabricairlterthatmustbechecked
regularly.Operatingtheunitwithdirtylterswillreducethehumiditycontroldevice’scapacityand
efciencyandmaycausethecompressortocycleoffandonunnecessarilyonthedefrostcontrol.
Theltercangenerallybevacuumedcleanseveraltimesbeforeneedingreplacement.Replacementlters
canbeorderedfromthefactoryorpurchasedlocallyifavailable.DONOToperatetheunitwithoutthelter
orwithalesseffectivelterastheheatexchangecoilsinsidetheunitcouldbecomecloggedandrequire
disassemblytoclean.
5. Service
CAUTION: Servicing the HI-E Dry 100 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
qualied service people should service this unit.
5.1 Warranty
Awarrantycerticatehasbeenenclosedwiththisunit.Readitbeforeanyrepairisinitiated.Ifawarranty
repairisrequired,callthefactoryrstat1-800-533-7533forwarrantyclaimauthorizationandtechnical
assistance.
5.2 Technical Description
RefertoFigure3.TheHI-EDry100usesarefrigerationsystemsimilartoanairconditioner’storemoveheat
andmoisturefromincomingair,andaddheattotheairthatisdischarged.
Hot,high-pressurerefrigerantgasisroutedfromthecompressortothecondensercoil.Therefrigerant
iscooledandcondensedbygivingupitsheattotheairthatisabouttobedischargedfromtheunit.
Therefrigerantliquidthenpassesthroughtwocapillarytubes,whichcausetherefrigerantpressureand
temperaturetodrop.Itnextenterstheevaporatorcoilwhereitabsorbsheatfromtheincomingairand
evaporates.
Theevaporatoroperatesinaoodedcondition,whichmeansthatitshouldalwaysbefullofliquid
refrigerantduringnormaloperation.Aoodedevaporatorshouldmaintainconstantpressureand
temperatureacrosstheentirecoil,frominlettooutlet.

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Themixtureofgasandliquidrefrigerantenterthe
accumulatorafterleavingtheevaporatorcoil.The
accumulatorpreventsanyliquidrefrigerantfrom
reachingthecompressor.Thecompressorevacuates
thecoolrefrigerantgasfromtheaccumulatorand
compressesittoahighpressureandtemperatureto
repeattheprocess.
5.3 Troubleshooting
No dehumidication, neither blower nor
compressor run with fan switch OFF.
1. Unitunpluggedornopowertooutlet.
2. Humiditycontrolsettoohighordefective(Sec.
3.1&5.9)
3. Looseconnectionininternalwiring.
Some dehumidication, blower runs continuously but compressor only runs sporadically with fan switch
OFF.
1. Unitisindefrostcycle(Sec.3.3&5.10).
2. Defrostthermostatdefectiveorloose (Sec.3.3&5.10).
3. Looseconnectionincompressorcircuit(seeFig.4).
4. Defectivecompressoroverload(Sec.5.6A).
5. Defectivecompressor(Sec.5.6).
6. Defectiverelay(Sec.5.8).
7. Defectivedefrosttimer(Sec.5.10).
No dehumidication. Blower runs but compressor does not with fan switch OFF.
1. Badconnectionincompressorcircuit(Fig.4).
2. Defectivecompressorcapacitor(Sec.5.6A).
3. Defectivecompressoroverload(Sec.5.6A).
4. Defectivecompressor(Sec.5.6).
5. Defectiverelay(Sec.5.8).
6. Defectivedefrosttimer(Sec.5.10).
7. Badconnectioninpumpcircuit(Fig.4).
8. Pumpoatswitchorsafetyswitchopen(Sec.5.11).
9. Pumpmotordefective(Sec.5.11).
Blower does not run. Compressor runs briey but cycles on & off.
1. Looseconnectioninblowercircuit(Fig.4).
2. Obstructionpreventsimpellerrotation.
3. Defectiveblower(Sec.5.5).
Figure 3: Refrigeration system of HI-E Dry 100

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Unit removes some water but not as much as expected.
1. Airtemperatureand/orhumidityhavedropped.
2. Humiditymeterand/orthermometerusedareoutofcalibration.
3. Unithasentereddefrostcycle(Sec.3.3&5.10).
4. Airlterdirty(Sec.4.1).
5. Defrosttimerincorrectlysetforconditions(Sec.3.3&5.10).
6. Defectivedefrostthermostat(Sec.5.10).
7. Lowrefrigerantcharge(Sec.5.4).
8. Airleaksuchasloosecover.
9. Defectivecompressor(Sec.5.6).
10.Restrictiveducting(Sec.2.4).
Pump does not pump water.
1. Hosekinkedorplugged.
2. Pumpcheckvalveplugged(Sec.5.11).
3. Badconnectioninpumpcircuit(Fig.4).
4. Hosedisconnectedinternally.
Evaporator coil frosted continuously, low dehumidifying capacity.
1. Defrostthermostatlooseordefective(Sec.3.3&5.10).
2. Lowrefrigerantcharge(Sec.5.4).
3. Dirtyairltersorairowrestricted.(Sec.4.1).
4. Defrosttimersetincorrectly(Sec.3.3).
5.4 Refrigerant Charging
Iftherefrigerantchargeislostduetoserviceoraleak,anewchargemustbeaccuratelyweighedin.Ifanyof
theoldchargeisleftinthesystem,itmustberemovedbeforeweighinginthenewcharge.Refertotheunit
nameplateforthecorrectchargeweightandrefrigeranttype.Addtherefrigerantthroughthelowsideservice
port(SeeFig.5).
5.5 Blower Replacement
ThecentrifugalblowerhasaPSCmotorandinternalthermaloverloadprotection.Ifdefective,thecomplete
assemblymustbereplaced.
1.Unplugthepowercord.
2.Ifanoutletductisconnectedtotheunit,removeit.
3.Removethecabinetside.
4.Removethe4screwsholdingtheelectricalboxlocatednexttotheblower.
5.Disconnecttheblowerleads.Blackfromtheblowerswitch,andwhitetheruncapacitor.
6.Unbolttheblowercapacitorfromtheblowermotor(requiredforremovalclearance).
7.Removethenuts&boltsholdingthebloweroutletangetothecabinetendandremovetheblower.
8.Reassemblingwiththenewbloweristheaboveprocedurereversed.

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5.6 Compressor/Capacitor Replacement
Thiscompressorisequippedwithatwoterminalexternaloverload,runcapacitor,butnostartcapacitoror
relay(seeFig.4).
CAUTION-ELECTRICAL SHOCK HAZARD: Electrical power must be present to perform some tests; these
tests should be performed by a qualied service person.
5.6A Checking Compressor Motor Circuits
PerformthefollowingtestsiftheblowerrunsbutthecompressordoesnotwiththehumiditycontrolON.
1. TurnthehumiditycontrolOFFandunplugtheunit,removethecabinetfront(6screws).
2. PlugintheunitandturnthehumiditycontrolON.Useavoltmetertocheckfor110to120voltsbetween
(a)therelayterminalthattheblackwirefromthecompressorconnectstoand(b)thecapacitorterminal
withthe(2)whitewires,(1)redwire&(1)brownwireconnected.Ifvoltageispresent,gotostep3.If
novoltage,thedefrostthermostat,therelayorthecondensatepumpsafetyswitchareopenorthereis
alooseconnectioninthecompressorcircuit.Testeachcomponentforcontinuity;seetheappropriate
sectionifadefectissuspected.
3. TurnthehumiditycontrolOFFandunplugtheunit,thendisconnecttheredandyellowwiresfrom
compressorterminalsR&S.Usinganohmmetercheckcontinuitybetweenthepointslistedbelow.
4. CompressorterminalsCandS:Nocontinuityindicatesanopenstartwinding;thecompressormustbe
replaced.
5. CompressorterminalsCandR:Nocontinuityindicatesanopenrunwinding;thecompressormustbe
replaced.
6. CompressorterminalCandoverloadterminal1:Nocontinuityindicatesadefectiveoverloadlead.
7. Overloadterminals1and3:Ifthereisnocontinuity,theoverloadmaybetripped;wait10minutesand
tryagain.Ifthereisstillnocontinuity,itisdefectiveandmustbereplaced.
8. CompressorterminalCandcompressorcase:Continuityindicatesagroundedmotor;thecompressor
mustbereplaced.
9. Disconnectthewiresfromthecapacitor.SettheohmmetertotheRx1scale;thecapacitorisshortedand
mustbereplacedifcontinuityexistsacrossitsterminals.Ifthereisnoneedlemovementwiththemeter
setontheRx100000scale,thecapacitorisopenandmustbereplaced.
10.Reconnectthewirestothecompressorandcapacitor;pluginandturnontheunit.Ifthecompressor
failstostart,replacetheruncapacitor.
11.Iftheunitstilldoesnotstart,addingahard-startkitwillprovidegreaterstartingtorque.Ifthisdoesnot
work,thecompressorhasaninternalmechanicaldefectandmustbereplaced.
5.6B Replacing a Burned Out Compressor
Therefrigerantandoilmixtureinacompressorischemicallyverystableundernormaloperatingconditions.
However,whenanelectricalshortoccursinthecompressormotor,theresultinghightemperaturearccauses
aportionoftherefrigerantoilmixturetobreakdownintocarbonaceoussludge,averycorrosiveacid,and
water.Thesecontaminantsmustbecarefullyremovedotherwiseevensmallresidueswillattackreplacement
compressormotorsandcausefailures.

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Thefollowingprocedureiseffectiveonlyifthesystemismonitoredafterreplacingthecompressortoinsure
thatthecleanupwascomplete.
1. Thisprocedureassumesthatthepreviouslylistedcompressormotorcircuittestsrevealedashortedor
openwinding.Ifso,cautiouslysmelltherefrigerantfromthecompressorserviceportfortheacidodorof
aburnout.
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. Removeandproperlydisposeofthesystemcharge.DONOTventtherefrigerantorallowittocontact
youreyesorskin.
3. Removetheburnedoutcompressor.Userubberglovesifthereisanypossibilityofcomingincontact
withtheoilorsludge.
4. Tofacilitatesubsequentsteps,determinethetypeofburnoutthatoccurred.Ifthedischargelineshows
noevidenceofsludgeandthesuctionlineisalsocleanorperhapshassomelightcarbondeposits,the
burnoutoccurredwhilethecompressorwasnotrotating.Contaminantsarethereforelargelyconnedto
thecompressorhousing.Asingleinstallationofliquidandsuctionlinelter/drierswillprobablycleanup
thesystem.
 Ifsludgeisevidentinthedischargeline,itwilllikelybefoundinthesuctionline;thisindicatesthe
compressorburnedoutwillrunning.Sludgeandacidhavebeenpumpedthroughoutthesystem.Several
changesoftheliquidandsuctionlter/drierswillprobablybenecessarytocleansethesystem.
5. Correctthesystemfaultthatcausedtheburnout.Consultthefactoryforadvice.
6. Installthereplacementcompressorwithanewcapacitorandanoversizedliquidlinelter.
 Inarunningburnout,installanoversizedsuctionlinelter/drierbetweentheaccumulatorand
compressor.Thoroughlyushtheaccumulatorwithrefrigeranttoremovealltrappedsludgeandto
preventtheoilholefrombecomingplugged.Astandingburnoutdoesnotrequireasuctionlinelter/
drier.
7. Evacuatethesystemwithagoodvacuumpumpandaccuratevacuumgauge.Leavethepumponthe
systemforatleastanhour.
8. Operatethesystemforashortperiodoftime,monitoringthesuctionpressuretodeterminethatthe
suctionlterisnotbecomingplugged.Replacethesuctionlter/drierifpressuredropoccurs.Ifasevere
runningburnouthasoccurred,severallter/driersmayhavetobereplacedtoremovealloftheacidand
moisture.
NOTE: NEVER use the compressor to evacuate the system or any part of it.
5.6C Replacing a Compressor- Non-Burn Out
Removetherefrigerantfromthesystem.Replacethecompressorandliquidlinelter/drier.Chargethe
systemto50PSIGandcheckforleaks.Removethechargeandweighintherefrigerantquantitylistedonthe
nameplate.Operatethesystemtoverifyperformance.
5.7 Relay
Thecontactsofthesinglepole,singlethrowrelaycompletethepowercircuittothecompressor.The
contactsareclosedwhenpowerisprovidedtotherelaycoilviathecontrolcircuit.Thecontrolcircuit
includesthehumiditycontrol,defrostthermostatandtimer.

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5.8 Humidity Control
Thehumiditycontrolisanadjustableswitchthatcloseswhentherelativehumidityoftheairinwhichitis
locatedrisestothedialsetpoint.ItopenswhentheRHdrops4to6%belowthesetpoint.
5.9 Defrost Thermostat & Timer
Thedefrostthermostatisattachedtotherefrigerantsuctiontubebetweentheaccumulatorandcompressor.
Ifthelowsiderefrigeranttemperaturedropsduetoexcessivefrostformationontheevaporatorcoil,the
thermostatopens.Thecompressoristhencycledoffandonbythedefrosttimer.Theblowerwillcontinueto
run,causingairtoowthroughtheevaporatorcoilandmelttheicewhenthecompressorisoff.Whenthe
airtemperatureand/orhumidityincrease,theevaporatortemperaturewillriseandthethermostatwillclose
toendthedefrostcycle.
5.10 Condensate Pump
Condensateisautomaticallypumpedwhenthewaterlevelinthepump’sreservoirrisestoclosetheoat
switch.
Ifthepumpisunabletoemptyitsreservoirduetoapumpfailureorblockedcondensatehose,apumpsafety
oatswitchistriggeredbeforethereservoiroverows.Theswitchturnsoffthecompressorviaitsrelay.
Toreplacethecondensatepump:
1. Unplugtheunit&removethefrontcover.
2. Disconnectthe2hosesfromthepump.
3. Cutthepumpleadwiresneartheoldpump.
4. Removethe2nutsfromtheunitsidethatholdthepumptotheside.
5. Attachthenewpumpwith2nuts.
6. Connectthenewpumpwiring.
7. Connectthehosestothenewpump.Carefullyroutethehosessotheydonotcontactthecopper
refrigerantlinesorthecompressorshell.

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Figure 4: Electrical Schematic of HI-E Dry 100
RED
RELAY
DKBLU
GRY
RED
AUTO
AUTO
RELAY CONTACTS
DEFROST
CONTROL
DEFROST
CONTROL
VIO ON
ON
BLK
BLK BLK
WHT
VIO
YEL
SWITCH
MOTOR
BRN
WHT
COMPRESSOR
COMPRESSOR
COMPRESSOR
OVERLOAD
PART NO. REV.
4033549 A
RUN
CAPACITOR
RUN
CAPACITOR
YEL
BRN
TIMER
TIMER SWITCH
WHT
WHT
WHT
PNK
MOTOR
WHT
BLK
BLK
BLK
BLK
GRN
115VAC,
60HZ, 1PH
CONDENSATE PUMP
FLOAT
SWITCH
PUMP FLOAT
SWITCH
SAFETY
SWITCH
CNO
1
4 6 1 C
S
R
23 5
NC
BLK
ORG ORG
ORG
BLOWER
SWITCH
BLOWER
SWITCH
BLOWER
MOTOR
BLOWER MOTOR
PUMP MOTOR
TIMER MOTOR
RELAY COIL PUMP SAFETY
SWITCH
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 608-237-8400
www.thermastor.com
6. Wiring Diagram

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7. Service Parts: HI-E Dry 100 Humidity control device
ITEM PARTNO. QTY. DESCRIPTION
1 4022254 1 Accumulator
2 4021475 1 AirFilter,Pleated,2”x16”x20”
3 4021468 1 AirFilter,FoamElement
4 4026930 1 Blower,w/Capacitor,115V
5 4028233 3 CapillaryTubes
6 4032371 1 CompressorKit(includesOverload),Panasonic(2R12S3R126A-6A)
7 4029169 1 CompressorOverload(notshown)
8 4033032-05 1 CompressorRunCapacitor,45MFD,370V
9 4034097 1 CondensatePump
10 4028226 1 CondenserCoil
11 4023495 1 Cord&WireHarness
12 4025741 1 DefrostThermostat
 4021648 1 DefrostControlMountingClip
13 4033925-02 1 EvaporatorCoil
14 4029510 1 Filter/Drier
15 4024916 1 Hose,Drain,.25”IDx33FT
16 4027172 1 HumidityController
17 4021495 1 Knob,HumidityController
18 4025560 1 Switch,SPDT,forFan
19 4021471 4 Wheel,2”,Plastic
20 4033549 1 WiringDiagram(onCover)(notshown)
21 4021453 1 OptionalDuctingKit(forInlet&Outlet)(notshown)
22 4020623 1 OptionalOutletCollar(forDuctingOutletonly)(notshown)
23 4021823 1 DefrostTimer(notshown)
24 1970010 1 Relay(notshown)

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8. Filter Installation Instructions
Topreventdamagingthefoamlter,placeit“gridsideup”ontopofthepleated
lterandslidethembothintothelterslot.

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HI-E Dry 100 Installation, Operation and Maintenance Instructions
HI-E Dry 100 Humidity Control Device Limited Warranty
Warrantor:
Therma-StorLLC
4201LienRd
Madison,WI53704
Telephone:1-800-533-7533
Who Is Covered:Thiswarrantyextendsonlytotheoriginalend-useroftheHI-EDry100humiditycontrol
device,andmaynotbeassignedortransferred.
Year One:Therma-Storwarrantsthat,forone(1)yeartheHI-EDry100humiditycontroldevicewilloperate
freefromanydefectsinmaterialsandworkmanship,orTherma-Storwill,atitsoption,repairorreplacethe
defectivepart(s),freeofanycharge.
Year(s) Two Through Five:Therma-Storfurtherwarrantsthatforaperiodofve(5)years,thecondenser,
evaporator,andcompressoroftheHI-EDry100humiditycontroldevicewilloperatefreeofanydefectsin
materialorworkmanship,orTherma-Stor,atitsoption,willrepairorreplacethedefectivepart(s),provided
thatalllaborandtransportationchargesforthepart(s)shallbebornebytheend-user.
End-User Responsibilities:WarrantyservicemustbeperformedbyaServicerauthorizedbyTherma-Stor.
Iftheend-userisunabletolocateorobtainwarrantyservicefromanauthorizedServicer,heshouldcall
Therma-StorattheabovenumberandaskfortheTherma-StorServiceDepartment,whichwillthenarrange
forcoveredwarrantyservice.Warrantyservicewillbeperformedduringnormalworkinghours.
Theend-usermustpresentproofofpurchase(lease)uponrequest,byuseofthewarrantycardorother
reasonableandreliablemeans.Theend-userisresponsiblefornormalcare.Thiswarrantydoesnotcoverany
defect,malfunction,etc.resultingfrommisuse,abuse,lackofnormalcare,corrosion,freezing,tampering,
modication,unauthorizedorimproperrepairorinstallation,accident,actsofnatureoranyothercause
beyondTherma-Stor’sreasonablecontrol.
Limitation and Exclusions:IfanyHI-EDry100Humiditycontroldevicepartisrepairedorreplaced,the
newpartshallbewarrantedforonlytheremainderoftheoriginalwarrantyperiodapplicablethereto(but
allwarrantyperiodswillbeextendedbytheperiodoftime,ifany,thattheHI-EDry100Humiditycontrol
deviceisoutofservicewhileawaitingcoveredwarrantyservice).
UPONTHEEXPIRATIONOFTHEWRITTENWARRANTYAPPLICABLETOTHEHI-EDry100Humidity
controldeviceORANYPARTTHEREOF,ALLOTHERWARRANTIESIMPLIEDBYLAW,INCLUDING
MERCHANTABILITYANDFITNESSFORAPARTICULARPURPOSE,SHALLALSOEXPIRE.ALL
WARRANTIESMADEBYTHERMA-STORARESETFORTHHEREIN,ANDNOCLAIMMAYBEMADE
AGAINSTTHERMA-STORBASEDONANYORALWARRANTY.INNOEVENTSHALLTHERMA-STOR,IN
CONNECTIONWITHTHESALE,INSTALLATION,USE,REPAIRORREPLACEMENTOFANYHI-EDry100
HumiditycontroldeviceORPARTTHEREOFBELIABLEUNDERANYLEGALTHEORYFORANYSPECIAL,
INDIRECTORCONSEQUENTIALDAMAGESINCLUDINGWITHOUTLIMITATIONWATERDAMAGE(THE
END-USERSHOULDTAKEPRECAUTIONSAGAINSTSAME),LOSTPROFITS,DELAY,ORLOSSOFUSEOR
DAMAGETOANYREALORPERSONALPROPERTY.
Somestatesdonotallowlimitationsonhowlonganimpliedwarrantylasts,andsomedonotallowthe
exclusionorlimitationofincidentalorconsequentialdamages,sooneorbothoftheselimitationmaynot
applytoyou.
Legal Rights:Thiswarrantygivesyouspeciclegalrights,andyoumayalsohaveotherrightswhichvary
fromstatetostate.