Enviro-tex EVI Series, EVTX10300, EVTX15000, EVTX18000 Installation And User Manual
Enviro-tex EVI Series
AirSourceHeatPumps
InstallationandUser'sGuide
IMPORTANTSAFETYINSTRUCTIONS
READANDFOLLOWALLINSTRUCTIONS
SAVETHESEINSTRUCTIONS
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IfyouhavequestionsaboutorderingAirSourceHeatPumpreplacementpartsand
products,pleaseusethefollowingcontactinformation:
CustomerServiceandTechnicalSupport
(9A.M.to4P.M. Monday - Friday)
Phone: 01472 828086
Email: info@enviro-tex.co.uk
Website
www.enviro-tex.co.uk
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TableofContents
IMPORTANTSAFETYPRECAUTIONS............................................................................. 3
Section1
Introduction
ProductOverview...............................................................................................................................................................5
GeneralFeatures................................................................................................................................................................5
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Section2.................................................................................................................................6
Installation..............................................................................................................................6
MaterialsneededforInstallation....................................................................................................................................6
InstallationLocation..........................................................................................................................................................8
Installationdetails..............................................................................................................................................................8
DrainageandCondensation............................................................................................................................................9
WaterConnections..........................................................................................................................................................10
Plumbinginstallationrequirements............................................................................................................................11
ElectricalConnections....................................................................................................................................................11
GeneralInformation.........................................................................................................................................................11
Powersupply.....................................................................................................................................................................13
GroundingandOverCurrentProtection....................................................................................................................13
ControllerPCboardSettings........................................................................................................................................13
ElectricalWiringDiagram...............................................................................................................................................14
Section3
OperatingHeatPump
LCDUser-FriendlyInterfaceController......................................................................................................................17
Generalinstruction..........................................................................................................................................................17
Controllerpanel................................................................................................................................................................17
ControllerSet-Up..............................................................................................................................................................18
GeneralOperatingGuide................................................................................................................................................24
Users’ Guide......................................................................................................................................................................25
ProductProtection...........................................................................................................................................................26
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1. Temperaturesetting:........................................................................................................................................18
2. Systemstatusdisplayvalues:......................................................................................................................18
3. Parametersetting:............................................................................................................................................19
4. Clocksetting......................................................................................................................................................21
5. Timersetting......................................................................................................................................................21
6. InstallerPasswordControl:...........................................................................................................................22
7. Manual/ForcedDefrosting:............................................................................................................................23
8. Heatingmode:...................................................................................................................................................24
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5
Section4
Generalmaintenance
ControllerErrorCodes....................................................................................................................................................27
InspectionandService...................................................................................................................................................28
OwnerInspection.............................................................................................................................................................28
Troubleshooting...............................................................................................................................................................29
ProblemsandCorrectiveAction..................................................................................................................................29
Section5
Componentsassembly
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IMPORTANTSAFETYPRECAUTIONS
ImportantNotice:
ThisguideprovidesinstallationandoperationinstructionsfortheAirSourceHeatPump.Consult Enviro-tex
withanyquestionsregardingthisequipment.
AttentionInstaller: Thisguidecontainsimportantinformationabouttheinstallation,operationandsafeuseof
thisproduct.Thisinformationshouldbegiventotheownerand/oroperatorofthisequipmentafterinstallation
orleftonorneartheheatpump.
AttentionUser: Thismanualcontainsimportantinformationthatwillhelpyouinoperatingandmaintainingthis
heatpump.Pleaseretainitforfuturereference.
WARNING -Beforeinstallingthisproduct,readandfollowallwarningnoticesandinstructionswhichare
included.Failuretofollowsafetywarningsandinstructionscanresultinsevereinjury,death,orproperty
damage.Email: info@enviro-tex.co.uk foradditionalfreecopiesoftheseinstructions.
CodesandStandards
TheAirSourceHeatPumpmustbeinstalledinaccordancewiththelocalbuildingandinstallationcodesasper
theutilityorauthorityhavingjurisdiction.Alllocalcodestakeprecedenceovernationalcodes.Intheabsenceof
localcodes,refertothelatesteditionoftheNationalElectricCode(NEC)inthelocalgovernmentElectricCode
(CEC)forinstallation.
DANGER — Riskofelectricalshockorelectrocution.
Theelectricalsupplytothisproductmustbeinstalledbyalicensedorcertifiedelectricianin
accordancewiththeNationalElectricalCodeandallapplicablelocalcodesandordinances.
Improperinstallationwillcreateanelectricalhazardwhichcouldresultindeathorseriousinjury
topoolorspausers,installers,orothersduetoelectricalshock,andmayalsocausedamageto
property.Readandfollowthespecificinstructionsinsidethisguide.
WARNING-Toreducetheriskofinjury,donotpermitchildrentousethisproduct.
ConsumerInformationandSafety
TheAirSourceHeatPumpsaredesignedandmanufacturedtoprovideyearsofsafeandreliableservicewhen
installed,operatedandmaintainedaccordingtotheinformationinthismanualandtheinstallationcodes
referredtoinlatersections.Throughoutthemanual,safetywarningsandcautionsareidentifiedbythe
“ “symbol.Besuretoreadandcomplywithallofthewarningsandcautions.
HeatPumpEnergySavingTips
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Ifyoudonotplantousehotwaterforaprolongedperiod,thenyoumightchoosetoturntheheatpumpoffor
decreasethetemperaturesettingofthecontrolseveraldegreestominimizeenergyconsumption.
Enviro-tex offersthefollowingrecommendationstohelpconserveenergyandminimizethecostofoperating
yourheatpumpwithoutsacrificingcomfort.
1. Amaximumwatertemperatureof60° Cisrecommended.
2. Itisrecommendedtoturnofftheheatpumpwhenambientairtemperatureislessthan-10° Corifon
holiday forlongerthanaweek.
3. Tosaveenergy,itisrecommendedthattheheatpumpisoperatedduringdaytimewhentheambient
temperatureishigher.
4. Trytoinstalltheheatpumpattheventilatedplacesindoor,Ifitmustbeinstalledoutdoor,Wherepossible,
sheltertheheatpumpfromprevailingwinds,rainandsnow.Alwaysuseashelterwhenpractical,whichwill
reducethepossibilityoffrostingandicing.
GeneralInstallationInformation
1. Installationandservicemustbeperformedbyaqualifiedinstallerorserviceagent,andmustconformtoall
national,state,andlocalcodesand/orsafetyregulations.
2. ThisAirSourceHeatPumpisspecificallydesignedforhotwatersupply&heatingatanydomesticand
commercialplaceswhereneedmedium-temperaturehotwater is required.
Section1
Introduction
ProductOverview
AirSourceheatpumpstransferheatfromtheambientairtowater,providinghigh-temperaturehotwaterupto
60°C.TheuniqueLowambient-temperatureheatpumpiswidelyusedforhousewarming.WithEnviro-tex
innovative&advancedtechnology,thedirect-heatingheatpumpcanoperateverywellat-25℃ ambient
temperaturewithhighoutputtemperaturesupto60℃,whichensuresthecompatibilitywithnormalsized
radiatorbasedsystemswithoutsupplementation.Comparedwithtraditionaloil/LPGboilers,Enviro-tex
high-temperatureheatpumpproducesupto50%lessCO2whilstsaves80%runningcost.
Enviro-tex heatpumpsarenotonlyhighlyefficient,butalsoeasyandsafetooperate.
GeneralFeatures
1.Lowrunningcostsandhighefficiency
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·Ahighcoefficientofperformance(COP)ofupto5resultsinlowerrunningcostscomparedwithtraditional
ASHPtechnology.
·Noimmersionheatersupplementisrequired.
2.ReducedCapitalCosts
·Simpleinstallation
·Compatiblewithtraditionalradiatorsystems,eliminatingtheexpenseofinstallingunderfloorheatingor
changingtooversizedradiators.
3.HighComfortLevels
·Highstoragetemperatureresultsinincreasedhotwateravailability.
4.Nopotentialdangerofanyinflammable,gaspoisoning,explosion,fire,electricalshock whichare
associatedwithotherheatingsystems.
5.Adigitalcontrollerisincorporatedtomaintainthedesiredwatertemperature.
6.Long-lifeandcorrosionresistantcompositecabinetstandsuptosevereclimates.
7.The latest EVI compressorensuresoutstandingperformance,ultraenergy
efficiency,durabilityandquietoperation.
8.Self-diagnosticcontrolpanelmonitorsandtroubleshootsheatpumpoperationstoensuresafeandreliable
operation.
9.IntelligentdigitalcontrollerwithfriendlyuserinterfaceandblueLEDbacklight.
10.Separateisolatedelectricalcompartmentpreventsinternalcorrosionandextendsheatpumplife.
11.Theheatpumpcanoperatedowntoambientairtemperatureof-25℃.
Section2
Installation
Thefollowinggeneralinformationdescribeshowtoinstalltheairsourceheatpump.
Note: Beforeinstallingthisproduct,readandfollowallwarningnoticesandinstructions.Onlya
qualifiedservicepersonshouldinstalltheheatpump.
MaterialsneededforInstallation
Thefollowingitemsareneededandaretobesuppliedbytheinstallerfor all heatpumpinstallations:
1.Plumbingfittings.
2.Levelsurfaceforproperdrainage.
3.Ensurethatasuitableelectricalsupplylineisprovided.Seetheratingplateontheheatpumpforelectrical
specifications.Pleasetakeanoteofthespecifiedcurrentrating.Nojunctionboxisneededattheheat
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pump;Connectionsaremadeinsideoftheheatpumpelectricalcompartment.Conduitmaybeattached
directlytotheheatpumpjacket.
4.ItisadvisedtousePVCconduitfortheelectricalsupplyline.
5.Use a correctly sized water pump to obtain minimum water flow rate.
6.Afilteronthewaterinletisneeded.
7.Theplumbingshouldbeinsulatedtoreduceitsheatloss.
Note: Werecommendinstallingshut-offvalvesontheinletandoutletwaterconnectionsforeaseof
serviceability.
CycleHeatingLowTempAirSourceHeatPumpSpecification
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Note:
Theabovedesignandspecificationsaresubjecttochangewithoutpriornoticeforproductimprovement.
Detailedspecificationsoftheunitspleaserefertonameplateontheunits,
Correctinstallationisrequiredtoensuresafeoperation.Therequirementsfor Enviro-tex heatpumpsinclude
thefollowing:
1. Dimensionsforcriticalconnections.
2. Fieldassembly(ifrequired).
3. Appropriatesitelocationandclearances.
4. Properelectricalwiring.
5. Adequatewaterflow.
Thismanualprovidestheinformationneededtomeettheserequirements.Reviewallapplicationand
installationprocedurescompletelybeforecontinuingtheinstallation.
InstallationLocation
CAUTION!
1.DONOTinstalltheheatpumpneartohazardousmaterialsandplaces
2.DONOTinstalltheheatpumpunderdeepslopingroofswithoutgutterswhichwillallowrainwater,mixed
withdebris,tobeforcedthroughtheunit.
3.Placetheheatpumponaflatslightlypitchedsurface,suchasconcreteorfabricatedslab.Thiswillallow
properdrainageofcondensationandrainwaterfromthebaseoftheunit.Ifpossible,theslabshouldbeplaced
atthesamelevelorslightlyhigherthanthefiltersystem/equipment.
Installationdetails
Allcriteriagiveninthefollowingsectionsreflectminimumclearances.However,eachinstallationmustalsobe
evaluated,takingintoaccounttheprevailinglocalconditionssuchasproximityandheightofwalls,and
proximitytopublicaccessareas.Theheatpumpmustbeplacedtoprovideclearancesonallsidesfor
maintenanceandinspection.
1. Theinstallationareamusthavegoodventilationandtheairinlet/outletmustnotbehindered.
2. Theinstallationareamusthavegooddrainageandbebuiltonasolidfoundation.
3. Donotinstalltheunitinareasaccumulatedwithpollutionslikeaggressivegas(chlorineoracidic),dust,
sandandleavesetc.
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4. Foreasierandbettermaintenanceandtroubleshooting,noobstaclesaroundtheunitshouldbecloserthan
500mm.Andnoobstructionswithin2m,vertically,fromtheunitforairventilation.(SeeFigure1)
Figure1
5. Theheatpumpmustbeinstalledwithshockproofbushestopreventvibrationand/orimbalance.
6. Eventhoughthecontrolleriswaterproof,careshouldbetakentoavoiddirectsunlightandhigh
temperature.Inaddition,theheatpumpshouldbeplacedtoensurequalityviewingofthecontroller.
7. Theplumbingpipesmustbeinstalledwithpropersupporttopreventpossibledamageduetovibration.
Runningwaterpressureshouldbekeptover196kpa.Otherwise,boosterpumpshouldbeinstalled.
8. Theacceptableoperatingvoltagerangeshouldbewithin ±10%oftheratedvoltage.Whenheatpumpunits
areinstalledinparallel,ensurethatthevoltagedifferences,betweentheseunits,arewithin ±2%.
Theheatpumpunitmustbegrounded/earthedforsafetypurposes.
l
DrainageandCondensation
Condensationwilloccurfromtheevaporatorwhentheunitisrunninganddrainatasteadyrate,depending
uponambientairtemperatureandhumidity.Themorehumidtheambientconditions,themorecondensation
willoccur.Thebottomoftheunitactsasatraytocatchrainwaterandcondensation.Keepthedrainholes,
locatedonthebottompanoftheunitbase,clearfromdebrisatalltimes.
InstallationDiagram(SeeFigure2)
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Figure2
WaterConnections
WaterConnectionsattheHeatPump
QuickConnectfittingsarerecommendedtobeinstalledonthewaterinletandoutletconnections.（SeeFigure
3）
Figure3
Tapwaterisplumbedtotheinlet,locatedontherightsideoftheheatpumpunit.Heatedwaterflowsthrough
theoutlet,locatedontherightsideoftheheatpumptothewatertank.
ItisrecommendedtousestainlesssteelandPVC/PPRpipesfortheheatpumpplumbing.Thewaterinletand
outletconnectiontotheheatpump(40mmorthreadedentryfemale)acceptsstainlesssteelorPVC/PPRpipe
fittings.
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CAUTION — Makesurethatflowrequirementsandtapwaterturnoverratescanbemaintainedwiththe
installationofadditionalheatpumpsandplumbingrestrictions.
Plumbinginstallationrequirements
1. Whenwaterpressureexceeds490Kpa,pleaseusereducingvalvetoreducethewaterpressurebelow
294Kpa.
2. Eachpartconnectedtounitneedstobeconnectedwithmethodofloosejointandinstalledwith
intermediatevalve.
3. Ensurethatallplumbinghasbeenproperlycompletedandthenproceedtodoawaterleakageand
pressuretest.
4. Allthepipelinesandpipefittingsmustbeinsulatedtopreventheatloss.
5. Installadrainvalveatthelowestpointofthesystemtoenablethesystemtobedrainedduringfreezing
conditions(winterizing).
6. Installacheckvalveonthewateroutletconnectioninordertopreventbacksiphoningwhenwaterpump
stops.
7. Inordertoreducethebackpressure,thepipesshouldbeinstalledhorizontally
8.Andminimizetheelbows(90degreesconnections).Ifahigherflowrateisrequired,installabypassvalve
ElectricalConnections
WARNING —Riskofelectricalshockorelectrocution.
Ensurethatallhighvoltagecircuitsaredisconnectedbeforecommencingheatpump
installation.Contactwiththesecircuitscouldresultindeathorseriousinjurytousers,installers
orothers,duetoelectricalshockandmayalsocausedamagetoproperty.
CAUTION — Labelallwirespriortodisconnectionwhenservicingtheheatpump.Wiringerrorscancause
improperanddangerousoperation.Checkandensureproperoperationafterservicing.
GeneralInformation
Wiringconnectionsmustbedoneaccordingtothewiringdiagramfoundontheinsideoftheheatpumpaccess
panelorseeaddendumAforreference.
Theheatpumpmustbegrounded/earthed.Agroundlugisprovidedontheinsideoftheheatpumpelectrical
compartment.(Seethefollowingfigures)
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SinglePhase：EVTX10300 / EVTX15000
ThreePhase：EVTX18000ⅡⅡ
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