INSTALLATION MANUAL DMV NEX V2
10
EN
DMVNEXisasinglealternateflowdecentralized(singlepoint)residentialheatrecoveryunit,alsocalled«push&pull»unit,designedtoensureadequate
ventilationinenclosedenvironmentswithoutenergylosses.
Itisrecommendedthattwounitsareinstalledinapair:whenoneunitispulling,theotherispushing.
The pair of units can be installed in the same room or in different rooms (i.e. living-room and bedroom). The unit is suitable for installation on an outside
wall.
Readthismanualcarefullybeforeusingtheproductandkeepitinasafeplaceforreference.
Thisproductwasconstructeduptostandardandincompliancewithregulationsrelatingtoelectricalequipmentandmust
beinstalledbytechnicallyqualifiedpersonnel.
Themanufacturerassumesnoresponsibilityfordamagetopersonsorpropertyresultingfromfailuretoobservethe
regulations contained in this booklet.
PRECAUTIONS FOR INSTALLATION, USE AND MAINTENANCE
•Thedeviceshouldnotbeusedforapplicationsotherthanthosespeciedinthismanual.
•Afterremovingtheproductfromitspackaging,verifyitscondition.Incaseofdoubt,contactaqualiedtechnician.Do
notleavepackagingwithinthereachofsmallchildrenorpeoplewithdisabilities.
•Donottouchtheappliancewithwetordamphands/feet.
•Thisappliancecanbeusedbychildrenagedfrom8yearsandaboveandpersonswithreducedphysical,sensoryor
mentalcapabilitiesorlackofexperienceandknowledgeiftheyhavebeengivensupervisionorinstructionconcerning
useoftheapplianceinasafewayandunderstandthehazardsinvolved.Childrenshallnotplaywiththeappliance.
Cleaningandusermaintenanceshallnotbemadebychildrenwithoutsupervision.
•Donotusetheproductinthepresenceofinammablevapours,suchasalcohol,insecticides,gasoline,etc.
•Ifanyabnormalitiesinoperationaredetected,disconnectthedevicefromthemainssupplyandcontactaqualied
technicianimmediately.Useoriginalsparepartsonlyforrepairs.
•Theelectricalsystemtowhichthedeviceisconnectedmustcomplywithregulations.
•Beforeconnectingtheproducttothepowersupplyorthepoweroutlet,ensurethat:
-thedataplate(voltageandfrequency)correspondtothoseoftheelectricalmains
-theelectricalpowersupply/socketisadequateformaximumdevicepower.Ifnot,contactaqualiedtechnician.
•Thedeviceshouldnotbeusedasanactivatorforwaterheaters,stoves,etc.,norshoulditdischargeintohotair/fume
ventductsderivingfromanytypeofcombustionunit.Itmustexpelairoutsideviaitsownspecialduct.
•Operatingtemperature:-20°Cupto+50°C.
•Thedeviceisdesignedtoextractcleanaironly,i.e.withoutgrease,soot,chemicalorcorrosiveagents,orammable
orexplosivemixtures.
•Donotleavethedeviceexposedtoatmosphericagents(rain,sun,snow,etc.).
•Donotimmersethedeviceoritspartsinwaterorotherliquids.
•Turnoffthemainswitchwheneveramalfunctionisdetectedorwhencleaning.
•Forinstallationanomnipolarswitchshouldbeincorporatedinthexedwiring,inaccordancewiththewiringregulations,to
provideafulldisconnectionunderovervoltagecategoryIIIconditions(contactopeningdistanceequaltoorgreaterthan
3mm).
•Ifthesupplycordisdamaged,itmustbereplacedbythemanufacturer,itsserviceagentorsimilarlyqualiedpersonsin
ordertoavoidahazard.
•Donotobstructthefanorexhaustgrilletoensureoptimumairpassage.
•Ensureadequateairreturn/dischargeinto/fromtheroomincompliancewithexistingregulationsinordertoensure
proper device operation.
•Iftheenvironmentinwhichtheproductisinstalledalsohousesafuel-operatingdevice(waterheater,methanestove
etc.,thatisnota“sealedchamber”type),itisessentialtoensureadequateairintake,toensuregoodcombustionand
properequipmentoperation.
•InstalltheproductsothattheimpellerisnotaccessiblefromtheairoutletsideasveriedbycontactwiththeTestFinger
(testprobe“B”ofthenormEN61032)incompliancewiththecurrentsafetyregulations.
INTRODUCTION
Theunitshouldoperatecontinuously,andonlystoppedformaintenanceorservice.
Whenheatexchangeisnotuseful(forexampleinmid-seasonswhenindoorandoutdoortemperaturesaresimilar),orwhenheatexchangeisnot
recommended(forexamplewiththeoption“summerfreecooling”),itisrecommendedtosettheunitin“extract-only”or“intake-only”modeand
NOTtoswitchitoff.
TECHNICAL SPECIFICATIONS
• Designfrontcover(A)removableforcleaningwithouttheuseoftools.
• Innerventilationunit(B)andwallsupportbase(D)madeofhighquality,impactandUV-resistantABS,colourRAL9010.
• Integratedmulti-colourled(C)toobtainavisualfeedbackoftheunitstatus.
• Smarthumiditycontrol.
• Integraltemperaturesensorfortheautomaticmanagementoftheinversiontime(comfortmode).
• Automaticanti-frostprotectiontopreventfrostbuildingupontheheatexchanger.
• Wallsupportbase(D)providedwithamagnet“coupling/uncoupling”systemwhichallowstheventilationunittoberemovedfromitsbaseduring
maintenance.
• Back-uptouchbutton(J)atthesideoftheventilationunit.
• Uniquedesignwinglet-typeimpeller,providingenhancedaerodynamicproperties,lownoiseandincreasedefficiency.
• HighefficientreversibleECmotorwithintegralthermalprotection,mountedonsealedforlifehighqualityballbearings.Designedforcontinuous
reversible running.
• Telescopicpipe(F)adaptabletothewallthickness.