AERMEC ANK User manual

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1. INSTALLATION REQUIREMENTS…………………....….2
1.1. TOOLS AND PARTS…………………………………………………...…..2
1.2. SYSTEM REQUIRMENTS…………………………………………..……..2
1.3. LOCATION REQUIREMENTS………………………….………………..2
1.4 MINIMUM WATER VOLUME…………………………………………….2
1.5. MINIMUM CLEARANCE…………………………………………………2
1.6 ELECTRICAL REQUIREMENTS………………………………………….3
2. INSTALLATION INSTRUCTIONS………………….……...4
2.1 HYDRONIC CONNECTIONS………………………………………….4
2.2. ELECTRICAL CONNECTIONS………………………………………..5
2.2.1CABLE…………………………………………………………………..5
2.2.2. CONNECTING POWER SUPPLY…………………… ..……………5
3. TERMINAL BOARD CONNECTIONS…………………..6
4. CONTROLS AND COMMISSIONING…………………...6
4.1. PREPARATION FOR COMMISSIONING…………………………….6
4.2. MACHINE COMMISSIONING………………………….………...…....7
4.3. SEASON CHANGOVER……………………………..................................7
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5. OPERATION
5.1. SET POINT IN COOLING MODE……………………………....7
5.2. SET POINT IN HEATING MODE……………………………....7
5.3. COMPRESSOR START-UP DELAY………………………...…....7
5.4. CIRCULATION PUMP…………………………………………...7
5.5.FAN SPEED CONTROL……………………………………….....7
5.6. ANTI-FREEZE ALARM……………………………........................7
5.7. WATER FLOW RATE ALARM……………………………...........8
6. MAINTENANCE…………………………………………....8
6.1. HYDRAULIC CIRCUIT…………………………….........................8
6.2. ELECTRICAL CIRCUIT CHECKS…………………………….....8
6.3. COOLING CIRCUIT CHECKS……………………………...........8
6.4. MECHANICAL CHECKS………………………………………...8
6.5.REFRIGERANT LOAD PROCEDURE………..………………....8
7. LIST OF CONTROLS……………………………….……………....9
8. TROUBLESHOOTING……………………………...…...11
WIRING DIAGRAM…………………………….........................12
WARRANTY……………………………...........................................13
ANK INSTALLATION MANUAL
NORTH AMERICAN REVISION
Table of contents
GENERAL WARNING FOR THE INSTALLER
Thechillermustbeinstalledbyaqualifiedandtrainedtechnician.
AERMECwillnotassumeanyresponsibilityfordamageduetofailuretofollowtheseinstructions.Beforebeginninganyoperation,READTHESE
INSTRUCTIONSCAREFULLYANDCARRYOUTTHESAFETYCHECKSTOREDUCEALLRISKOFDANGERTOAMINIMUM.Allthestaffinvolvedmust
havethoroughknowledgeoftheoperationsandanydangersthatmayariseatthemomentinwhichtheinstallationoperationsarecarriedout.
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Vers.1.1.15

2
Theseinstructionsareintendedasageneralguideonlyanddonot
supersedeanynationalorlocalcodesinanyway.Theinstalla‐
tionmustcomplywithallstate,andlocalcodesaswellas
theNationalElectricalCode.
 Theheatpumpisdesignedandapprovedforoutdooruse
only.
 Theheatpumpmustbeinstalledwithnoductworkinthe
airstream.Theoutdoorfanisnotdesignedtooperateagainst
anyadditionalstaticpressure.
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1.1. TOOLS AND PARTS
Assembletherequiredtoolsbeforestartinginstallation.Readand
followtheinstructionsprovidedwithanytoolslistedhere.
 ToolsNeeded:
 MechanicaltoolsrequiredbyPlumbingorHVACstandards
 Wrenches,ScrewDrivers,Hose,Glycol
 PartsNeeded:
ChecklocalcodesandHVACsupplier.Checkexistingelectrical
supply,andread“ElectricalRequirements,”“Location
Requirements,”“SystemRequirements”and“Connect
GlycolLines.”
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1.2 SYSTEM REQUIREMENTS:
Aermecheatpumpsystemarederivedfromactuallaboratory
testingoftheequipment.Itisrecommendedthatalldeisgncriteria
bemetorexceededtoensureproperoperationand
efficientperformance.
 Thedesignedsystemcriteriaarelistedintheheatpump
unitspecificationsheetsandintheheatpumptechnicalman‐
ual
 Thisheatpumphasbeenfactorychargedwithaquantityof
refrigerant(R410A)
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1.3 LOCATION REQUIREMENTS
  Thisheatpumpisdesignedtobelocatedoutdoorswith
sufficientclearanceforfreeentrancetotheinletand
dischargeairopenings.Thelocationmustalsoallowfor
adequateserviceaccess.See“MinimumClearances.”
 Wherepossible,selectalocationfortheheatpumpwhichis
shadedfromthedirectraysofthesunmostofthetime.North
oreastlocationsareusuallymostdesirable.Positiontheheat
pumptoavoiddirectcontactwithwater,snoworicefroma
rooflineoverhead.
 Theheatpumpmustbeinstalledonasolid,levelmounting
padthatwillnotsettleorshift.Isolatethepadfromthe
buildingstructuretoavoidpossibletransmissionofsoundor
vibrationfromtheheatpumpintotheconditionedspace.
 Theheatpumpfoundationshouldberaisedtoaminimumof
3in.abovefinishgrade.Inareaswhichhaveprolonged
periodsoftemperaturesbelowfreezing,and/orsnowfall,the
heatpumpshouldbeelevatedabovetheaveragesnowline.
Ifheatpumpistobeinstalledonaflatroof,itshouldbeona
platformorothersupportwhichwillraisetheunitbasepan
12in.minimumabovethesurfaceoftheflatroof.
 Careshouldbetakentoensurefreedrainageofcondensate
fromdefrostcycles.Thiswillpreventiceaccumulation.The
heatpumpshouldbelocatedawayfromwalkwaystoprevent
possibleicingfromdefrostcondensate.
 Avoidplacingtheheatpumpnearareassuchassleeping
quartersorstudyrooms.Normaloperatingsoundlevelsmay
beobjectionableiftheheatpumpisplacednearcertain
rooms.Ashiftinsoundtypedoesoccurduringthedefrost
mode.Thedefrostmodegenerallylastsnolongerthan5
minutes
1. INSTALLATION REQUIRMENTS
1.5 MINIMUM CLEARENCE
1.4 MINIMUM WATER VOLUME
IMPORTANT:Referto“AermecSystemWaterVolumeGuide”(youcandownloaditonaermec.usintutorialbookssection) 
 ANKheatpumpsneedaminimumvolumeof35gallonsofwater/glycol.IftheversionisanHAithasaninternal25
gallontanksothesystemmustcontainaminimumof10additionalgallonswhenallzonesbutthesmallestareclosedor
notoperating.(Onlycountthesmallestzonevolumealongwiththepipestothemanifold.
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 Iftheheatpumpdoesnothaveaninternalbuffertankyoumustadd35gallonsinthesystemwithabuffertankor
piping.

3
1.6 ELECTRICAL REQUIREMENTS
IMPORTANT: 
 Electricalwiring,disconnectmeansandovercurrent
protectionaretobesuppliedbytheinstaller.Refertothe
ratingplateforthemaximumovercurrentprotection,
minimumcircuitampacity,andoperatingvoltage.Seewiring
diagram.
 Installanadequatelysizedbranchcircuitdisconnect,perthe
NEC,withinsightofandreadilyaccessiblefromheatpump.
 Thecableorconduitandfittingsconnectedfromthe
disconnecttotheheatpumpshallberatedforoutdooruse.
 Checktheheatpumpratingplateandfollowthe
appropriateinstructionsbelow.
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NOTE:Allwiringmustbesuitableforoutdooruse.Usecopper
conductorsonly.
 AllfieldwiringmustbedoneinaccordancewithNational
ElectricalCoderequirements,applicablerequirementsofUL,
orlocalcodes,whereapplicable.
Electricalwiring,disconnectmeansandovercurrent
protectionaretobesuppliedbytheinstaller.Refertothe
ratingplateforthemaximumovercurrentprotection,
minimumcircuitampacity,andoperatingvoltage.Seewiring
diagram.current
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4
Thisheatpumpisshippedinonepackage,completely
assembledandwired.Theindoorcontrollerisshippedinaseparate
cartonwhenordered.
1.  Checktheheatpumpratingplatetoconfirmspecifications
areasordered.
2.  Uponreceiptofequipment,carefullyinspectitforpossible
shippingdamage.Takespecialcaretoexaminetheunit
insidethecartonifthecartonisdamaged.
Ifdamageisfound,itshouldbenotedonthecarrier’sfreightbill.
Damageclaimsshouldbefiledwiththecarrierimmediately.
Claimsofshortagesshouldbefiledwiththesellerwithin5days.
NOTE: Ifanydamagesarediscoveredandreportedtothecarrier,
donotinstalltheunitbecauseyourclaimmaybedenied.
2.1 HYDRONIC CONNECTIONS
Water/glycolpipingmustbeconnectedbyalicensed,orcertified
technicianusingestablishedprocedures.
IMPORTANT: 
 Connectingwaterlinesmustbeclean,properlysized
(minimum1¼inch).Reducingfittingshallnotbeused
 Usecarewiththewater/glycollinesduringtheinstallation
process.Ifpexisuseditcanbecutbysharpobjects.
 Donotremovethecapsfromthelinesorsystemconnection
pointsuntilconnectionsarereadytobecompleted.
1.  Routethesupplyandreturnlinesfromthefittingsonthe
indoormanifoldortanktothefittingsontheheatpump.Run
thelinesinasdirectapathaspossibleavoidingunnecessary
turnsandbends.
2.  Ensurethatbothlinesareinsulatedovertheentire
exposedlengthandthatbothsupplyandreturnlinesarenot
indirectcontactwithfloors,walls,ductwork,floorjoists,or
otherpiping.
3.  Flushthelinesoutwithwater
4 .Packinsulatingmaterialaroundwater/glycollineswherethey
penetratethestructuretoprotectthelinesandtominimize
vibrationtransmission.
5.  Connectthesupplyandreturnlines,andtightenusingtwo
wrenches
NOTE: Alwaysusetwowrencheswhentighteninganyfittings.

2 INSTALLATION INSTRUCTIONS
ANK030‐045‐050H‐HP
ANK030‐045‐050HA
Airvent
Airvent
Airvent

5
2.2.1 CABLE
Thecablesectionshowninthe tablearerecommendedformaxi‐
mumlengthsof50m.Forlongerlengthsordifferentcablelaying,it
isuptothedesignertocalculatetheappropriatelineswitch,the
powersupplylineaswellastheconnectiontotheearthwireand
connectioncablesdependingon:
 length
 typeofcable
 absorptionoftheunitandthephysicallocation
 ambienttemperature.
ATTENTION:
Checkthetighteningofallpowerwireclampsoncommissioning
andafter30daysfromstart‐up.Subsequently,checkthetightening
ofallthepowerclampseverysixmonths.Looseterminalscancause
overheatingofthecablesandcomponents.
2.2.2 CONNECTING POWER SUPPLY
 Beforeconnectingtheunittothepowersupplymains,en‐
surethattheswitchisoff
 Openthefrontpanel
 Usetheholesatthebottomontheframeworkforthe
mainelectricpowersupplycableandforthecablesofthe
otherexternalconnectionsundertheresponsibilityofthe
installer.
 Itisforbiddentoaccesswithelectriccablesinpositionsnot
specificallyenvisionedinthismanual.
 Avoiddirectcontactwithnotinsulatedcopperpipingand
withcompressor.
 Identify theclampsfortheelectricconnection,alwaysrefer
totheelectriclayoutsuppliedwiththeunit.
 Forthefunctionalconnectionoftheunitbringapower
supplycabletotheelectriccontrolboardinsidetheunitand
connecttotheU‐NandPEclampsrespecting(U)phase,(N)
neutral,(PE)earthincaseofsingle‐phasepowersupply
(220V‐1~60Hz),
 Re‐positiontheinspectionpanels
 Ensurethatallprotectionsremovedfortheelectricconnec‐
tionhavebeenrestoredbeforeelectricallypoweringthe
unit.
 Positionthemainsystemswitch(externaltotheappliance)
at“ON”.
2.2ELECTRICAL CONNECTIONS
TheANKheatpumpsarecompletelywiredatthe
factoryandonlyrequireconnectiontotheelectrical
mains,downstreamfromaunitswitch,according
tothatenvisionedbytheStandardsinforceon
thissubjectinthecountryofinstallation.

Itsalsoadvisedtocheckthefollowing:
 Theelectricalmainsfeaturesaresuitable
Fortheabsorptionvaluesindicatedinthe
electricaldatatableintechnicalmanual.Alsotakinginto
considerationanyothermachinesoperatingatthesametime.
 Theunitisonlypoweredwheninstallationhasbeen
completed(hydraulicandelectric).
 Respecttheconnectionindicationsofthephase,
andgroundwires.
 Thepowersupplylinemusthavearelevantprotection
mountedupstreamagainstshortcircuitsand
dispersionstoearth,whichisolatesthesystemwith
Respecttootherutilities.
 Thevoltagemustbewithinatoleranceof±10%ofthe
nominalpowersupplyvoltageofthemachine(for
unbalancedthree‐phaseunitmax3%betweenthe
phases).Whenevertheseparametersarenot
respected,contacttheelectricenergypublicbody.For
electricconnections,usethecableswithdouble
isolationaccordingtotheStandardsinforceonthis
subjectinthedifferentcountries.
 Theuseofanomnipolarmagnetcircuitbreakerswitch
ismandatory,incompliancewiththeIEC‐ENStandards
(contactopeningatleast3mm),withsuitablecutoff
poweranddifferentialprotectiononthebasis
oftheelectricdatatableshownbelow,installedasnear
aspossibletotheappliance.
 Itismandatorytomakeaneffectiveearthconnection.
Themanufacturercannotbeconsideredresponsiblefor
anydamagecausedbythelackoforineffective
applianceearthconnection.Forunitswiththree‐phase
powersupply,checkthecorrectconnectionofthe
phases.


6
TO ACTIVATE TERMITAL BOARD 13POLE
Toactivateterminalboardsetvalueof9PANto3.Togettothis
parameterenterpassword030.
SUMMER/WINTER REMOTE CONTROL (C/F)
Toprepareasummer/winterremoteswitch‐overdeviceconnect
thedevicecontacttotheclamps3and5ofthe13POLEterminal
board.
ON/OFF CONTROL (IA)
ToprepareanON/OFFremoteswitch‐overdeviceconnectthede‐
vicecontacttoclamps4and5ofthe13POLEterminalboard.
REMOTE ALARM (AE)
Remoteindicatorcanacknowledgealarms,thisispossibleusing
clamps6and7ofthe13POLEterminalboard,connectan
acousticorvisualalarmsignaldevice.
REMOTE PANEL (TRA)
Toprepareasummer/winterswitch‐overdevice,connectthede‐
vicecontacttoclamps8and9ofthe13POLEterminalboard.
CONTACTS FOR DOMESTIC HOT WATER DHW (TWS)
Touseastand‐alonecontactsforDHWdevice,connecttoclamps
10and11ofthe13POLEterminalboard.
CONTACT FOR BOILER CONTROL
Toprepareaboilercontrol,connecttocontacts12and13ofthe13
POLEterminalboard.
CONNECTION PR3 (ACCESSORY)
IfyoushouldhavethePR3accessory,alwaysconnectittothe13
POLEterminalboardasshownbelow.Rememberthatthemaxi‐
mumdistanceacceptedis150mt.REMEMBERTHATTHEPR3AS
WELLASBEINGCONNECTEDMUSTBEENABLED(seesubsequent
pages).
4. CONTROLS AND COMMISSIONING
4.1. PREPARATION FOR COMMISSIONING
Beforestarting theunitmakesurethat:
1.Allsafetyconditionshavebeenrespected
2.Theunitiscorrectlyfixedtothesupportsurface
3.Theminimumtechnicalspaceshavebeenrespected;
4.Thehydraulicconnectionshavebeenmaderespectingtheinlet
andoutlet
5.Thehydraulicplanthasbeenloadedandbledoftheair.
6.Thehydrauliccircuitvalvesareopen
7.Theelectricconnectionshavebeenmadecorrectly
8.Check,thatinmodelswiththree‐phasepowersupply,thatthe
compressornoiselevelisnotabnormal.Ifthisisthecase,inverta
phase.
9.Allelectricalconnectionsinsidetheunithavebeenchecked

3. TERMINAL BOARD CONNECTIONS
Connections under the responsibility of the installer
Allconnectionstowhichreferenceismadeinthefollowingexplanations
arepartofthe13POLEremovableterminalboardsituatedinsidethe
electriccontrolpanelandconnectedtotheMODUCONTROL.Thereare
twotypesofconnectionsseewiringdiagramattheendofthemanual.
Commissioning mustbeperformedwithstandardsettings.Only
whentheinspectionhasbeencompletedcanthefunctioningSet
Pointvaluesbechanged.Beforestart‐up,powertheunitforatleast
12‐24hourspositioningtheprotectionmagnetcircuitbreakerswitch
andthedoorlockisolatingswitchatON.Makesurethatthecontrol
panelisoffinordertoallowthecompressorsumpoiltoheat.

7
5. OPERATION
5.1. SET POINT IN COOLING MODE. PARAMETER 1STF
(factoryset)=7°C/44.9°F,∆t=9°C.
5.2. SET POINT IN HEATING MODE. PARAMETER 3STC
(factoryset)=45C/113°F,∆t=9°C.
Iftheunitpowersupplyisrestoredafteratemporaryinterruption,
thesetmodewillbekeptinthememory.
5.3. COMPRESSOR START-UP DELAY
Twofunctionshavebeenpreparedtopreventcompressorstart‐ups
thataretooclose.
‐ Minimumtimefromlastswitch‐off180seconds.
‐ Minimumtime fromlastswitch‐on300seconds.
5.4. CIRCULATION PUMP
Thecircuitboarddeliversanoutputforpumpmanagement,which
startsoncommissioningandremainsonforatleast150seconds
andcontrolsthestateoftheprobes.
Afterthefirst40secondsofpumpoperationthewaterflowswitch
closesandtheunitstarts,whenthewaterflowrateisinnormal
workingconditions,thewaterflowratealarmfunctionsareacti‐
vated(differentialpressureswitchorflowmeter).Whenthema‐
chineentersstand‐bymode,thepumpremainsonfor30secand
controlstheflowmeterorthepressureswitch
5.5. FAN SPEED CONTROL
DCPX ACCESSORY
COOLING OPERATION AT LOW AMBIENT CONDITIONS
AND HEATING OPERATION AT HIGH AMBIENT CONDI-
TIONS.
Toallowcorrectfunctioningoftheunitatdifferentexternaltem‐
peratures,theMODUCONTROLbyreadingthepressureviathe
pressureprobe,controlstherotationspeedofthefans,thusallow‐
ingtoincreaseand/ordecreaseheatexchange,keepingthecon‐
densationorevaporationpressuresmoreorlessconstant.Thefan
functionsindependentlywithrespecttothecompressor.Remem‐
berthattheDCPXismandatoryfortheproductionofDHW.And
coolingbelow20°C/68°F.
5.6. ANTI-FREEZE ALARM
Theanti‐freezealarmisneveractiveifthemachineisofforinstand
‐bymode.Inordertopreventbreakageoftheplateheatexchanger
duetofreezingofthewateritcontains,theMODUCONTROLstops
thecompressorifthetemperaturedetectedbytheprobepostioned
attheoutletoftheheatexchangerandininlettothechilleris
below+4°C/39°F.
THISANTI‐FREEZESETTEMPERATURECANONLYBEVARIEDBYAN
AUTHORISEDAFTER‐SALESCENTREANDONLYAFTERHAVINGCHECKED
THATTHEREISANTI‐FREEZESOLUTIONINTHEWATERSYSTEM.
Theinterventionofthisalarmdeterminescompressorstop
andnotpumpblock,whichremainsactivealongwiththeswitch‐on
oftheresistanceifinstalled.Torestorenormalfunctionsthetem‐
9.Thevoltageiswithinthetoleranceof10%oftheunitnominalvalue
10.Earthingiscorrectlymade.Allelectricandhydraulicconnectionsare
correctlytightened.
4.2. MACHINE COMMISSIONING
‐Closetheelectriccontrolboardhatch.
‐PositiontheappliancemasterswitchatON.
‐Makesurethattheauxiliaryswitchcontact(IA)
(seewiringdiagram)isopen(ifused,andthedisplayLED(I)Amustbeoff.
‐PresstheONkeyfor3sectoswitchthemachineon.
4.3. SEASON CHANGEOVER, OPERATION PARAMETERS
‐Foreveryseasonchange,checkthatthefunctioninglimitsliewithinthe
properlimits.
‐Checkthatthecompressorinputcurrentislowerthanthemaximum
indicatedinthetechnicaldatatable.
‐Makesurethatthevoltagevaluelieswithinthepre‐fixedlimitsandthat
unbalancebetweenthethreephases(three‐phasepowersupply)isnot
above3%.
SEASON CHANGEOVER FROM PANEL ON MACHINE
AccesstheUSERSETlistbytouchingtheinsertpasswordkey000
(alreadydisplayed);justconfirmbyre‐pressingthekey
TheparameteraffectedistheSta,changingthevalue0and1willchange
theoperationfromcoolingtoheatingaccordingly.Forfurtherinforma‐
tionrefertotheUSERMANUAL
SEASON CHANGEOVER FROM PR3
Justactdirectlyontheswitch.Themachineswitchesoffautomatically‐
andswitchesback‐onwiththeselectedfunctioningmode.Advancebased
onthetimeframeforthecompletionofworksforthesystem.Priorto
theworktobecarriedoutbytheAERMECservicepersonnel,allother
works(electricalandhydraulichook‐ups,primingandbleedingofair
fromthesystem)musthavebeencompleted.


8
−Carryouttheappropriatechecksonthefilterdryertocheckeffi‐
ciency
6.4. MECHANICAL CHECKS
−Checktheghteningofthescrewsthecompressorsandtheelec‐
tricalbox,aswellastheexteriorpanellingoftheunit.Insufficient
fasteningcanleadtoundesirednoiseandundesiredvibrations
−Checkthecondionofthestructure.Ifthereareanyoxidised
parts,treatwithpaintsuitabletoeliminateorreduceoxidation.
6.6. REFRIGERANT CHARGING PROCEDURE
Thechargingprocedureisthefollowing:
−Emptyanddrytheenrecoolingcircuitusingavacuumpump
connectedtothelowandhighpressuresocketuntil10Pa/77mi‐
cronsisreadonthevacuummeter.Waitafewminutesandcheck
thatthisvaluedoesnotriseabove50Pa/362microns.
−Connecttherefrigerantgascylinderoraloadcylindertotheac‐
cessportonthelowpressureline.
−Chargetheamountofrefrigerantgasindicatedontheappliance
featuresplate.
−Aerafewhoursofoperaon,checkthattheliquidindicator
indicatesthedrycircuit(dry‐green).Inthecaseofpartialloss,the
circuitmustbeemptiedcompletelybeforebeingre‐charged.
−TheR410Arefrigerantmustonlybechargedintheliquidstate.
−Funconingcondionsthataredifferenttothenominalcondi‐
tionscangiverisetovaluesthataregreatlydifferent.
−LeaktesngmustonlybeperformedusingR410Arefrigerantgas,
nitrogenandusingasuitableleakdetector.
−Intherefrigerantcircuititisprohibitedtouseoxygenoracetylene
orotherinflammableorpoisonousgasesbecausetheyareacause
ofexplosionsorintoxication.
peratureoftheoutletwatermustriseabove+4°C/39°F.Rearmisman‐
ual.
WHENEVERTHISALARMINTERVENES,WEADVISEYOUCALLTHENEAR‐
ESTAFTER‐SALESSERVICEIMMEDIATELY.
5.7. WATER FLOW RATE ALARM
TheMODUCONTROLmanagesawaterflowratealarmcontrolledbythe
differentialpressureswitchinstalledinseriesonthemachine.Thistype
ofsafetydeviceintervenesafterthefirst40secondsofpumpfunction‐
ing,ifthewaterflowrateisnotsufficient.Theinterventionofthisalarm
determinescompressorandpumpblock.
6. MAINTENANCE
Allcleaningisprohibiteduntiltheunithasbeendisconnectedfromthe
electricpowersupplymains.Makesurethereisnovoltagepresentbe‐
foreoperating.Periodicmaintenanceisfundamentaltokeeptheunit
perfectlyefficientunderafunctionalandenergeticpointofview.Itis
thereforeessentialtocarryoutperiodicyearlycontrolsforthe:
6.1. HYDRAULIC CIRCUIT
−Refillingofwatercircuit
−Cleaningthewaterfilter
−Controlofflowswitch
−Bleedtheairfromthecircuit.
−Verifythatthewaterflowratetotheevaporatorisconstant.
−Verifythethermalinsulaonofthehydraulicpiping.
−Checkthepercentageofglycolwherenecessary.
6.2. ELECTRIC CIRCUIT CHECKS
−Safetyefficiency
−Electricsupplyvoltage
−ElectricalInput
−Conneconghtness
−Verifytheoperaonofthecrankcasecompressorheater
6.3. COOLING CIRCUIT CHECKS
−Stateofcompressor
−Efficiencyoftheplateheatexchangerresistanceifenvisioned
−Workpressure
−Leaktestforwaterghtnesscontrolofthecoolingcircuit
−Funconingofhighandlowpressureswitches
ITISforbiddentoCHARGEthecircuitwitha
refrigerantgasdifferenttotheoneindicated.
Usingadifferentrefrigerantgascancause
seriousdamagetothecompressor.
Inspection,maintenanceandeventualrepairwork
mustbecarriedoutonlybyalegallyqualifiedtechni‐
cian.
Lackofcontrol/maintenancecancausedamageto
personsorthings.

9

How to modify a parameter in the installer menu:
ToentertheINSTALLERmenu,pressthekeyshownin(Fig.A).Oncethe
keyhasbeenpressedthepasswordmustbeinsertedforaccesstothe
variousmenus.Toaccesstheusermenuthepassword is 030.To
modifythevalueofthepasswordusethearrowkeys.Oncethecorrect
passwordhasbeeninserted,pressthekeyshownin(Fig.A).Thedis‐
playshowstheindexoftheINSTALLERparameterandastringofthree
charactersthatidentifyit.Thestringremainsdisplayedforonesec‐
ond,afterwhichitisreplacedbythevaluerelativetotheparameter
itself.Topasstothenextparameter,usethearrowkeys(Fig.B).To
modifyaparameter,justselectit,pressthekeyshownin(Fig.A),mod‐
ifythevalueusingthearrowkeysshownin(Fig.B).Toconfirmthe
modificationpressthekeyshownin(Fig.A)again.




7. LIST OF CONTROLS FOR THE GUIDED
PROCEDURE
How to modify a parameter in the user menu:
ToentertheUSER menu pressthekeyshownin(Fig.A).Oncethekey
hasbeenpressedthepasswordmustbeinsertedforaccesstothevarious
menus.Toaccesstheusermenuthepasswordis000 (whichisthede‐
faultdisplayed);tomodifythevalueofthepasswordusethearrowkeys.
Oncethecorrectpasswordhasbeeninserted,pressthekeyshownin
(Fig.A).ThedisplayshowstheindexoftheUSER parameterandastring
ofthreecharactersthatidentifyit.Thestringremainsdisplayedforone
second,afterwhichitisreplacedbythevaluerelativetotheparameter
itself.Topasstothenextparameter,usethearrowkeys(Fig.B).Tomod‐
ifyaparameter,justselectit,pressthekeyshownin(Fig.A),modifythe
valueusingthearrowkeysshownin(Fig.B).Toconfirmthemodification
pressthekeyshownin(Fig.A)again.


.

10





.
(1)Whattypeofsystemterminalsareusedintheheatingcircuit?
ReplyOperationstobeperformed
TheunitisacoolingonlymodelGotoquestion2
Radiantpanels(Floor,etc....)SettheparameterStC(index3USERmenu)withthevalueof35C
FancoilsorlowtemperatureradiatorsSettheparameterStC(index3USERmenu)withthevalueof45°C(default
value)
OtherapplicationsSettheparameterStC(index3USERmenu)withthevalueof55°C
(2)Istheremotepanelaccessoryinstalled(PR3)?
ReplyOperationstobeperformed
NotinstalledGotoquestion3
InstalledSettheparameterPAN(index9INSTALLERmenu)withtheappropriatevalue,
selectingfrom:
Value(1):
•Seasoncontrolpilotedfromthecircuitboard
•ON/OFFcontrolenabledfromPR3
Value(2):
•SeasoncontrolenabledfromPR3
•ON/OFFcontrolfrompanelonmachine
Value(3):
•SeasoncontrolenabledfromPR3
•ON/OFFcontrolenabledfromPR3
(3)IstheproductionofDHWenvisioned?
ReplyOperationstobeperformed
NotenvisionedGotoquestion5
EnvisionedSettheparameterASA(indexAINSTALLERMENU)withthevalue(1)
(4)Isa3‐waydivertervalveenvisionedintheDHWproductioncircuit?
ReplyOperationstobeperformed
NotenvisionedGotoquestion5
EnvisionedSettheparameterAAS(indexCINSTALLERmenu)withtheappropriatevalue
(inseconds).Thisparameterindicatesthestand‐bytomeforinversion
ofthe3‐waydivertervalveontheDHWproductionsystem
(5)Isaroomthermostatinstalled?
ReplyOperationstobeperformed
NotinstalledNooperation
InstalledThisparameterenablesadigitalclampID(indicatedonthecircuitboardwith
thecodeTRA)towhicharoomthermostatmustbeconnected,usedtodisable
thecompressorsandtheintegrativeresistances.SettheparametertrA(index
DINSTALLERmenu),withtheappropriatevalue,selectingfrom:
Value(1or2):ClampENABLED
Value(0or3):ClampDISABLED
RememberthattheOPENstateontheclamprepresents:
•thecompressorsandresistancesblockfunctioniftheparameterissetat1
•thecompressors,pumpsandresistancesblockfunctioniftheparameteris
setat2
•representsthepumpalarm(asintheprevioussoftwareversion),ifthepa‐
rameterissetatthevalue3

11







.
8. TROUBLESHOOTING
ANOMALYCAUSESOLUTION
Thechillerdoesnotstart‐up
Noelectricvoltage
Checkthepresenceofvoltage
Checkthesafetysystemsupstreamfrom
theappliance
MasterswitchatOFF
RemoteswitchatOFF(ifpresent)
ControlpanelatOFF
MainswitchatOFF
CompressormagnetcircuitbreakeratOFF
PositionatON
PowersupplyvoltagetoolowCheckpowersupplyline
Remotecontrolswitchcoilbroken
Circuitboardbroken
Peakcondenserbroken
Compressorbroken
Replacethecomponent
Insufficientyield
Norefrigerant
Appliancedimensioning
FunctioningoutsideofoperationallimitsCheck
Noisycompressor
Liquidrefrigerantreturnstothecompressor
Inadequatefixingofthepipingconnections
Check
Fastenedproperly
Phaseinverted,compressormovingbackwards(inthree‐phase
versionsonly)
Invertaphase
Noiseandvibrations
ContactsbetweenmetalbodiesCheck
WeakrestRestore
LoosescrewsTightenthescrews
Thecompressorstopsduetointerventionof
thesafetycontrols
Highpressure
Lowpressure
Lowvoltage
Poorconnections,relaycontacts
Functioningoutsideofoperationallimits
Check
PressureswitchdysfunctionReplacethecomponent
CircuitbreakerprotectioninterruptionCheckpowersupplyvoltage
Checkelectricisolationofthewindings
Highdischargepressure
Highexternalairtemperature
HighwaterinputtemperatureCheck
Insufficientairflow
Insufficientwaterflow
Checkfanfunctioning
Checkpumpfunctioning
FanregulationanomalousfunctioningCheck
AirinthehydraulicsystemBleed
ExcessivegasloadCheck
Lowdischargepressure
Highexternalairtemperature
Highwaterinputtemperature
Check
Insufficientairflow
Insufficientwaterflow
Emptyandrestorethegasload
FanregulationanomalousfunctioningCheck
AirinthehydraulicsystemBleed
ExcessivegasloadCheck
Highintakepressure
Highexternalairtemperature
Highwaterinputtemperature
Thermostaticexpansionvalvetooopenordam‐agedCheck
Lowintakepressure
Lowexternalairtemperature
Lowwaterinputtemperature
Thermostaticexpansionvalvedamagedorblocked
Waterfilterblocked
Plateheatexchangerblocked
Check
Insufficientairflow
Insufficientwaterflow
Checkfanfunctioning
Checkpumpfunctioning
Flowswitcherror104
Loosewireonthepump
Cloggedfilter
Airinthesystem,lowpressureinthesystemloop
Checkthepump
Cleanfilter
Bleedtheair

4
E
DATA
ANK 030 - 050 230V 60Hz
A
DISEGNATO
FF
A
3
06/12/2012
4
Comando a distanza
5
E
C D
1
06/12/2012
12
2
B
76
5678
8
C D
B
DI
NOME FILE:
TIPICO:
SUBITI. E' FATTA RISERVA DI TUTTI I DIRITTI DERIVANTI DA BREVETTI O MODELLI
AUTORIZZAZIONE ESPLICITA. OGNI INFRAZIONE COMPORTA IL RISARCIMENTO DEI DANNI
NE' UTILIZZARE IL CONTENUTO O RENDERLO COMUNQUE NOTO A TERZI SENZA LA NOSTRA
NON E' PERMESSO CONSEGNARE A TERZI O RIPRODURRE QUESTO DOCUMENTO
Elettrico 4336825_00.sch
Bovo
REV. MODIFICA DATA
VERIFICATO
PROGETTO:
Remote control
= +
FOGL.
DATA DISEGN. APPROV.
De Togni
3
5 4
30
4336825
1.8
1.73.2
3.3 3.3 2.8
2.4
3.4 3.4 3.3
3.2 3.2
3.2
7
817 25
34 31 28
33 32 29 30 26 27
T T
TERMINAL BOARD CONNECTIONS
MAX 1A
230V
MAX 1A
230V
Boiler control
C/F IA AE
TRA TWS
REF. CEI EN 60335-2-40 ATTENTION! all others give a reinforced insulation. opposed to main power supply line, Terminals 6 and 7 provide basic insulation
2RCR
1RCR
RCR2
M7S-5
M7S-7
M7S-8
M1-8
M1S-8
M5S1-1
M5S1-2
M7-6
M7-5
M7S-4
M7S-3
RCR1
Contact between 4‑5
opened = unit off
closed = unit on
Contact between 3‑5
opened = unit oin heating
closed = unit on
Contact between 10‑11
opened = unit in normal function closed = unit in DHW mode
To enable these contacts p
assword 30 parameter PAN
settet to 3
In DHW mode using parameter E requires parameter F to b
e set to 180 sec to allow the 3 way valve to open or close. T
he maximum setting is 5 minuts.
When the unit is in standard mode the setpoint is in menu u
ser (cooling or heating). When the units is in DHW mode th
e setpoint parameter E is in user menu. Th DHW is active if
in password 30 parameter A os set to 1
3
4
5
6
7
8
1
1
1
0
9
1
2
1
3
Boiler contact control

Mits Airconditioning Inc
Master Distributor in North America
for Aermec S.P.A.
Limited Warranty Information and Registration
This warranty is extended by Mits Airconditioning Inc (hereafter referred to as MITS) to the final
purchaser. MITS warrants it’s products to be free of defects in materials and workmanship at
the time of original purchase and for subsequent periods of time as described below.
Aermec Chiller and Heat Pumps parts are warranted to be free from manufacturing defects for
up to 12 months from the date of installation.
The compressor is warranted for 5 years from the date of installation for residential
application and 1 year for commercial applications.
Aermec Fan Coil parts are warranted to be free from manufacturing defects up to 12 months
from date of installation.
Aermec Accessories – valves, storage tank, expansion tank, and control are warranted to be
free from defects for up to 12 months from the date of original installation.
If, during the period of warranty, the products listed prove defective under normal use and
service due to improper materials or workmanship as determined by MITS, the company will at
its sole discretion replace the defective part or component.
Conditions:
In the event MITS replaces a part or component, the repaired or replaced product shall
be warranted under the original limited warranty for the remainder of the original
warranty period.
The warranty does not cover any failure of components not supplied by MITS, nor does
it cover failure of any part due to misuse (including neglect, improper installation, repair
alteration, modification, or adjustment).
Damage caused by freezing, corrosion, and fouling is not covered under this warranty.
There are no other express warranties, whether written or oral other than this printed
limited warranty. All implied warranties, including without limitation the implied
warranties or merchantability or fitness for a particular purpose, are limited to the
duration of this limited warranty. In no way shall the company be liable for incidental or
consequential damages of any nature whatsoever, including but not limited to lost
profits or commercial loss, to the full extent those damages can be disclaimed by law.
1
608 Bonhill Road
, Mississauga, On, L5T
1C7
Toll Free: 1-800-567-2221(Canada)
Toll Free: 1-888-567-2227 (USA)
www.aermec.ca
www.aermec.us

The technical data given on the following documentation are not binding.
Aermec reserves the right to apply at any time all the modifications deemed
necessary for improving the product.
1608 Bonhill Road | Mississauga | ON | CA | L5T 1C7
Phone [phone]
Canada: www.aermec.ca | Toll Free 1.800.567.2221
US: www.aermec.us | Toll Free 1.888.567.2227