Enviro-tex EVI Series User guide

Brand
Enviro-tex
Model
EVI Series
Category
Heat pumps
Type
User guide

This manual is also suitable for

Enviro-tex EVI Series
AirSourceHeatPumps
InstallationandUser'sGuide
IMPORTANTSAFETYINSTRUCTIONS
READANDFOLLOWALLINSTRUCTIONS
SAVETHESEINSTRUCTIONS
Page 2of 38
2014 Enviro-tex is a trade mark of Gray's Heating Ltd.Allrightsreserved. V01
Thisdocumentissubjecttochangewithoutpriornotice.
CustomerService
IfyouhavequestionsaboutorderingAirSourceHeatPumpreplacementpartsand
products,pleaseusethefollowingcontactinformation:
CustomerServiceandTechnicalSupport
(9A.M.to4P.M. Monday - Friday)
Phone: 01472 828086
Email: [email protected]
Website
www.enviro-tex.co.uk
Page 3of 38
2014 Enviro-tex a trademark of Gray's Heating Ltd.Allrightsreserved.
Thisdocumentissubjecttochangewithoutpriornotice.
TableofContents
IMPORTANTSAFETYPRECAUTIONS............................................................................. 3
Section1
.................................................................................................................................5
Introduction............................................................................................................................5
ProductOverview...............................................................................................................................................................5
GeneralFeatures................................................................................................................................................................5
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
...............................................................................................................................16
OperatingHeatPump........................................................................................................ 17
LCDUser-FriendlyInterfaceController......................................................................................................................17
Generalinstruction..........................................................................................................................................................17
Controllerpanel................................................................................................................................................................17
ControllerSet-Up..............................................................................................................................................................18
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
GeneralOperatingGuide................................................................................................................................................24
Users’Guide......................................................................................................................................................................25
ProductProtection...........................................................................................................................................................26
Section4
...............................................................................................................................27
Generalmaintenance.........................................................................................................27
ControllerErrorCodes....................................................................................................................................................27
InspectionandService...................................................................................................................................................28
OwnerInspection.............................................................................................................................................................28
Troubleshooting...............................................................................................................................................................29
ProblemsandCorrectiveAction..................................................................................................................................29
Section5
...............................................................................................................................35
Componentsassembly......................................................................................................35
Page 4of 38
2014 Enviro-tex is a trademark of Gray's Heating Ltd. Allrightsreserved.
Thisdocumentissubjecttochangewithoutpriornotice.
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: [email protected] 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
Page 5of 38
2014 Enviro-tex is a trademark of Gray's Heating Ltd.Allrightsreserved.
Thisdocumentissubjecttochangewithoutpriornotice.
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
Page 6of 38
2014 Enviro-tex is a trademark of Gray's Heating Ltd.Allrightsreserved.
Thisdocumentissubjecttochangewithoutpriornotice.
·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
Page 7of 38
2014 Enviro-tex is a trademark of Gray's Heating Ltd.Allrightsreserved.
Thisdocumentissubjecttochangewithoutpriornotice.
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
Page 8of 38
2014 Enviro-tex is a trademark of Gray's Heating Ltd. Allrightsreserved.
Thisdocumentissubjecttochangewithoutpriornotice.
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.
Page 9of 38
2014 Enviro-tex is a trademark of Gray's Heating Ltd. Allrightsreserved.
Thisdocumentissubjecttochangewithoutpriornotice.
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%.
lTheheatpumpunitmustbegrounded/earthedforsafetypurposes.
DrainageandCondensation
Condensationwilloccurfromtheevaporatorwhentheunitisrunninganddrainatasteadyrate,depending
uponambientairtemperatureandhumidity.Themorehumidtheambientconditions,themorecondensation
willoccur.Thebottomoftheunitactsasatraytocatchrainwaterandcondensation.Keepthedrainholes,
locatedonthebottompanoftheunitbase,clearfromdebrisatalltimes.
InstallationDiagram(SeeFigure2)
Page 10 of 38
2014 Enviro-tex a trademark of Gray's Heating Ltd. Allrightsreserved.
Thisdocumentissubjecttochangewithoutpriornotice.
Figure2
WaterConnections
WaterConnectionsattheHeatPump
QuickConnectfittingsarerecommendedtobeinstalledonthewaterinletandoutletconnections.（SeeFigure
3）
Figure3
Tapwaterisplumbedtotheinlet,locatedontherightsideoftheheatpumpunit.Heatedwaterflowsthrough
theoutlet,locatedontherightsideoftheheatpumptothewatertank.
ItisrecommendedtousestainlesssteelandPVC/PPRpipesfortheheatpumpplumbing.Thewaterinletand
outletconnectiontotheheatpump(40mmorthreadedentryfemale)acceptsstainlesssteelorPVC/PPRpipe
fittings.
Page 11 of 38
2014 Enviro-tex is a trademark of Gray's Heating Ltd. Allrightsreserved.
Thisdocumentissubjecttochangewithoutpriornotice.
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)
Page 12 of 38
2014 Enviro-tex is a trademark of Gray's Heating Ltd. Allrightsreserved.
Thisdocumentissubjecttochangewithoutpriornotice.
SinglePhase：EVTX10300 / EVTX15000
ThreePhase：EVTX18000ⅡⅡ
Page 13 of 38
2014 Enviro-tex is a trademark of Gray's Heating Ltd. Allrightsreserved.
Thisdocumentissubjecttochangewithoutpriornotice.
DualSystemThreePhase：EVTX38000/45000/70000Ⅱ
Powersupply
1. Ifthesupplyvoltageistoolowortoohigh,itcancausedamageand/orresultinunstableoperationofthe
heatpumpunit,duetohighinrushcurrentsonstartup.
2. Theminimumstartingvoltageshouldbeabove90%ofratedvoltage.Theacceptableoperatingvoltage
rangeshouldbewithin ±10%oftheratedvoltage.Whenheatpumpunitsareinstalledinparallel,ensure
thatthevoltagedifference,betweentheseunits,iswithin ±2%ofeachother.Thevoltagedifference
betweenphasesofathreephasepowersupplyshouldbewithin ±2%.
3. Ensurethecablespecificationsmeetthecorrectrequirementsforthespecificinstallation.Thedistance
betweentheinstallationsiteandmainspowersupplywillaffectthecablethickness.Followthelocal
electricalstandardstoselectthecables,circuitbreakersandisolatorbreakers.
GroundingandOverCurrentProtection
Inordertopreventelectricalshockincaseofleakagefromunit,installtheheatpumpaccordingtolocal
electricalstandard.
1. Donotinterruptthevoltagesupplytotheheatpumpfrequentlyasthismayresultashorterlifeexpectance
oftheheatpump.
2. Wheninstallingovercurrentprotection,ensurethatthecorrectcurrentratingismetforthisspecific
installation.
3. TheCompressor,fancoilunitandheatpumpwaterpumpallhaveAC-contactorandthermorelay
protection.Therefore,intheprocessofinstallationanddebugging,firstlymeasureeachofthe
aforementionedcomponents’current,andthenadjustthecurrentprotectionrangeofthethermorelays.
ControllerPCboardSettings
TheControllerPCBhasapinselectabletoggleswitchwhichmustbesetaccordingtothespecificinstallation
requirement.
Page 14 of 38
2014 Enviro-tex is a trademark of Gray's Heating Ltd. All rightsreserved.
Thisdocumentissubjecttochangewithoutpriornotice.
NOTE:
Beforeanychangesaremadetothepinsettings,ensurethatthemainssupplypowerisOFFatthe
circuitbreakerorphysicallydisconnectedfromthemainssupply.
ElectricalWiringDiagram
SinglePhase：EVTX10300 / EVTX15000
EV1 Water replenishing valve
EV3
KM A.C. contactor
KA Intermediate relay
FW Water flow switch
4WV Four-way valve
HP
LP High-pressure switch
Low-pressure switch
Coded instructions：
EV2 Backwater valve
OCP
Over current Pro.
EV4
A
B
C
ON
1 2 3 4
K-80
N N N
LN
Control
panel
KM
Compressor Fan
KA2
KM1 KA1 KA2
Current
HP
PP
LP
PUMP
EV1
EV2
FW
KA1
OCP
HGQ
4WV
EV4EV3
KM2
factory connect line.
User connect line and confrgure related electrical appliance.
2. EV1 is water replenishing Electromagnetic valve,EV2 is backwater Electromagnetic valve.They are Configured by user.
Note：
1. The figure in is control line code.
Transformer
secondary 2
(blue)
secondary 1
(yellow)
primary
(white)
Auxiliary Heating
water gage（N/A）
High Pressure Switch
High Water Level
Low Pressure Switch
Water Flow Switch
Median Water Level
Low Water Level
COM
Compressor
4-way Valve
Water Pump
Filling
water valve
Fan
Solenoid Valve of
Discharging&Condensing
Crankshaft
Heater
Auxiliary
Heating
Back-water
Valve
Injection
Solenoid Valve
COM
Median Water
Level
High Water
Level
Low Water
Level
Water Tank Sensor
Coil Pipe Sensor
Ambient Sensor
Discharging Sensor
Return Water Sensor
Outlet Sensor
Remarks:
1.For system using three phase, switch 1 must be set to
OFF. When testing phase order and phase rotation,for
singal phase, switch must be set to ON.
2.For direct+cycle heating mode, switch 4 must be set to
OFF. For cycle heating mode, switch 4 must be set to ON.
3.For swimming pool systme, switch 2 must be set to OFF.
4.Switch 3 standby.
Solenoid Valve of Discharging&Condensing
Injection Solenoid Valve
Page 15 of 38
2014 Enviro-tex is a trademark of Gray's Heating Ltd. Allrightsreserved.
Thisdocumentissubjecttochangewithoutpriornotice.
ThreePhase：EVTX18000
water gage（N/A）
High Pressure Switch
High Water Level
EV1
Water replenishing valve
EV3
Solenoid Valve of Discharging&Condensing
KM
A.C. contactor
KA
Intermediate relay
FW
Water flow switch
4WV
Four-way valve
HP
LP
High-pressure switch
Low-pressure switch
Coded instructions：
EV2
Backwater valve
OCP
Over current Pro.
EV4
Injection Solenoid Valve
primary
(white)
secondary 1
(yellow)
A
B
C
Transformer
ON
1 2 3 4
K-80
secondary 2
(blue)
N N N
Control
panel
Compressor Fan
KA2
KM1 KA1 KA2
HP
PP
LP
Pump
COM
EV1
Median Water
Level
High Water
Level
Low Water
Level
EV2
FW
EV1
EV2
KA1
OCP
HGQ
4WV
EV4EV3
N
RST
KM
Auxiliary Heating
KM3
KM2
factory connect line.
User connect line and confrgure related electrical appliance.
2. EV1 is water replenishing Electromagnetic valve,EV2 is backwater Electromagnetic valve.They are Configured by user.
Note：
1. The figure in is control line code.
Low Pressure Switch
Water Flow Switch
Median Water Level
Low Water Level
COM
Compressor
4-way Valve
Water Pump
Filling
water valve
Fan
Solenoid Valve of
Discharging&Condensing
Crankshaft
Heater
Auxiliary
Heating
Back-water
Valve
Injection
Solenoid Valve
Water Tank Sensor
Coil Pipe Sensor
Ambient Sensor
Discharging Sensor
Return Water Sensor
Outlet Sensor
Current
Remarks:
1.For system using three phase, switch 1 must be set to
OFF. When testing phase order and phase rotation,for
singal phase, switch must be set to ON.
2.For direct+cycle heating mode, switch 4 must be set to
OFF. For cycle heating mode, switch 4 must be set to ON.
3.For swimming pool systme, switch 2 must be set to OFF.
4.Switch 3 standby.
Page 16 of 38
2014 Enviro-tex is a trademark of Gray's Heating Ltd. Allrightsreserved.
Thisdocumentissubjecttochangewithoutpriornotice.
DualSystemThreePhase：EVTX38000/45000/70000
1#
Fan
KA2
Control
panel
A
B
C
380V/
3N
/50Hz
R S T N
CON2
CON9
CON10
N
CON1
TEMP11
TEMP10TEMP9TEMP7TEMP4 TEMP5 TEMP6 TEMP8
Ambient Sensor
Discharging Sensor 1#
Coil Pipe Sensor 2#
Coil Pipe Sensor 1#
Outlet Sensor 1#
Water Tank Sensor
LED
HP1
HP2
LP1
LP2
KM1
1#
Compressor
KM2
FR2FR1
FR2
FR1
FW
Power Supply
（12V）
（10V）
PP P P
KA1
COM.
EV1
High Water
Level
Low Water
Level
EV2
COM.
High Water Level
Water Pressure
(N/A)
2#
Fan Water
pump
2#
Compressor
Median
Water
Level
Water Flow Switch
High Pressure Switch 1#
High Pressure Switch 2#
Low Pressure Switch 1#
Low Pressure Switch 2#
Mid. Water Level
Low Water Level
Backwater Valve
Water Circulation Pump
Fan
Compressor 1#
Compressor 2#
4-Way Valve
Filling Water Valve
Crankshaft Heater
Injection Solenoid
Valve
Cooling Discharging
Valve
Outlet Sensor 2#
Discharging Sensor 2#
Remarks:
1.For system using three phase, switch 1 must be set to
OFF. When testing phase order and phase rotation,for
singal phase, switch must be set to ON.
2.For direct+cycle heating mode, switch 4 must be set to
OFF. For cycle heating mode, switch 4 must be set to ON.
3.For swimming pool systme, switch 2 must be set to OFF.
4.Switch 3 standby.
ON
1 2 3 4
Note：
1. The figure in is control line code.
2. EV1 is water replenishing Electromagnetic
valve,EV2 is backwater Electromagnetic
valve.They are Configured by user.
User connect line and confrgure
related electrical appliance.
Factory connect line.
EV1
Water replenishing valve
EV3 Cooling Discharging
Valve
KM
A.C. contactor
KA
Intermediate relay
FW
Water flow switch
4WV
Four-way valve
HP
LP
High-pressure switch
Low-pressure switch
Coded instructions：
EV2
Backwater valve
BK
Air switch
EV4
Injection Solenoid Valve
FR
Thermal overload relay
Transformer
Page 17 of 38
2014 Enviro-tex is a trademark of Gray's Heating Ltd. Allrightsreserved.
Thisdocumentissubjecttochangewithoutpriornotice.
Section3
OperatingHeatPump
LCDUser-FriendlyInterfaceController
Generalinstruction
Thecontrolpanelappliestoasinglesystemheatpump.
Theoperationpanelfeatures:
1. Capacitivetouchingkeysforhigheroperatingsensitivityandunlimitedkeyoperations.
2. Minimalelectromagneticsusceptibilityandinterference.
3. Stylishappearanceforeasyviewingpurposes.
4. DustandWaterProof.
5. Installedonwallindoorforconvenientoperation.
6. AutomaticKeyLockfunction(AKL).
Controllerpanel
OperatingController
Operationguide
Whenthepowersupplytotheheatpumpisswitchedonforthefirsttime,anaudibletoneisheardfromthe
controller.TheLCDwillbedisplayedinadimmingmode(nobacklight).Atthistimethetouchkeysarelocked
(see “lockkeydisplay”symbol).
Page 18 of 38
2014 Enviro-tex is a trademark of Gray's Heating Ltd. Allrightsreserved.
Thisdocumentissubjecttochangewithoutpriornotice.
Keysexplanation:
UnlockingKeys: Pressthe “power”keyfor3secondsuntilyouhearanaudibletone,thenreleasethekey.
ThebacklightoftheLCDdisplaywillturnonandthekeypadisunlockedwithno “lockkeydisplay”symbol.
Thekeypadwillautomaticallylockafter60seconds,displayingthe “lockkeydisplay”symbol.
“power”key: Bypressingthe “power”key,theunitcanbeswitchedONorOFF.
“▲” and “▼” keys:PresstoIncreaseandDecreasevalues.
“setting”key: PressforInquiry,ParameterandPasswordsetting
“timer”key: Pressfortimersetting,timereliminateandclocksetting.
ControllerSet-Up
1.Temperaturesetting:
Makesurekey-padisunlocked.Pressthe “▲” key, “temperaturesetting”symbolisflashingandtheset
temperatureisdisplayed.Pressthe “▲”keyagain,thedisplayedtemperaturewillincrease.Pressthe
“▼”key, “temperaturesetting”symbolisflashingandthesettemperatureisdisplayed.Pressthe “▼”key
again,thedisplayedtemperaturewilldecrease.Therangeofwatertemperaturecanbesetfrom20°C
(68°F)to60°C(140°F)(default=60°C(140°F)).
NOTE：
lItisrecommendedthatthemaximumsettingtemperaturebe60°C.
2.Systemstatusdisplayvalues:
Makesurekey-padisunlocked. Pressthe “setting”keyandenterintoinquirypanelwith “inquire”
symbolondisplay.
Page 19 of 38
2014 Enviro-tex is a trademark of Gray's Heating Ltd. Allrightsreserved.
Thisdocumentissubjecttochangewithoutpriornotice.
Forasingleheatpumpsystem(SHPS),theinquirycodesarefromA1toA9andforadualheatpump
system(DHPS),theinquirycodesarefromA1toA9forSystemAandb1tob9forSystemB.Bypressing
the “setting”keysequentially,thedesiredinquirycodewillbeselectedandvaluedisplayed.Toexitthe
inquirypanel,pressthe “setting”keyonceafterthelastinquirycode(Er)isreached.Detailsareshownas
follows:
3.Parametersetting:
NOTE:THESESETTINGSAREPRE-SETACCORDINGTOTHEMANUFACTURER’SSPECIFICATION
FORSAFEHEATPUMPOPERATIONS.DONOTCHANGETHESESETTINGSASITWILL
INFLUENCETHESAFEOPERATIONOFTHEHEATPUMP.
Pressthe “setting”keyformorethan3seconds,untilanaudibletoneisheardandenterintothesetting
panelwith “setting”symbolondisplay.
Singleheatpumpsystem Dualheatpumpsystem
SystemA SystemB
A1—coilpipetemp. A1—coilpipetemp.1 b1—coilpipetemp.2
A2—00 A2—00 b2—00
A3—compressordischargingtemp. A3—compressordischargingtemp.1 b3—compressordischargingtemp.2
A4—ambienttemp. A4—ambienttemp. b4—ambienttemp.
A5—wateroutlettemp. A5—wateroutlettemp.1 b5—wateroutlettemp.2
A6—backwatertemp. A6—backwatertemp. b6—backwatertemp.
A7—00 A7—00 b7—00
A8—compressorcurrent A8—compressorcurrent b8—compressorcurrent
A9—00 A9—00 b9—00
Er—errorcode Er—errorcode
Page 20 of 38
2014 Enviro-tex is a trademark of Gray's Heating Ltd. All rights reserved.
Thisdocumentissubjecttochangewithoutpriornotice.
Bypressingthe “setting”keysequentially,thedesiredsettingcodewillbeselected.Thevalueofeach
settingcanbeadjustedbypressing “▲” and “▼” keys(Settingvaluesseebelow).Toexitthesetting
panel,pressthe “setting”keyonceafterthelastsettingcode(P6)isreached.
Detailsareshownasfollows:
L1- Settingisusedtocompensate/calibrateforthedifferencebetweendisplayedwatertemperature(A6)
andtheactualmeasuredwatertankwatertemperature(useagoodqualitythermometer).(0~15°C
(32°F~59°F),default:0°C(32°F))
L2- Minimumoutletwatertemperaturedeviation.Thisvaluesettingissettoindicatetothecompressor
whentore-startuntildesiredtemperatureisreached. (3~18°C(37.4~64.4°F)default:5°C(41°F)).For
example,setwatertankwatertemp.=25°C(77°F),L2=5°C(41°F),thecompressorwillstopat25°C
(77°F)andre-startat20°C(68°F)
L4- Desiredwatertankwatertemperaturelimit(30~99°C(86~210.2°F)default:60°C)
L5- allowedelectricheatingambienttemperature(0~35°C(32~95°F),default:7°C(44.6°F),where0°C
(32°F)meansnoelectricheating).
L8-NO
H1-defrostingperiod(20~99minutesdefault:45minutes)
H2- defrostingstarttemperature(0~-15°C(32~59°F)default:-1°C(30.2°F))
H3-defrostingtime(5~20miniutesdefault:8minutes)
H4-defrostingexitingtemperature(1~40°C(33.8~104°F),default:15°C)
P1-NO
P2- NO
P3- NO
P4- NO
P5-NO
P6-NO
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
  • Page 1 1
  • Page 2 2
  • Page 3 3
  • Page 4 4
  • Page 5 5
  • Page 6 6
  • Page 7 7
  • Page 8 8
  • Page 9 9
  • Page 10 10
  • Page 11 11
  • Page 12 12
  • Page 13 13
  • Page 14 14
  • Page 15 15
  • Page 16 16
  • Page 17 17
  • Page 18 18
  • Page 19 19
  • Page 20 20
  • Page 21 21
  • Page 22 22
  • Page 23 23
  • Page 24 24
  • Page 25 25
  • Page 26 26
  • Page 27 27
  • Page 28 28
  • Page 29 29
  • Page 30 30
  • Page 31 31
  • Page 32 32
  • Page 33 33
  • Page 34 34
  • Page 35 35
  • Page 36 36
  • Page 37 37
  • Page 38 38

Enviro-tex EVI Series User guide

Brand
Enviro-tex
Model
EVI Series
Category
Heat pumps
Type
User guide
This manual is also suitable for
Download PDF
report

Ask a question and I''ll find the answer in the document

Finding information in a document is now easier with AI

Other documents