
3
Installation manual
VNB - Axial fan
G
Fig. 1
PRECAUTIONS FOR INSTALLATION, USE AND MAINTENANCE
Readthismanualcarefullybeforeusingtheproductandkeepit
in a safe place for reference.
Thisproductwasconstructeduptostandardandincompliance
with regulations relating to electrical equipment and must be
installedbytechnicallyqualifiedpersonnel.
The manufacturer assumes no responsibility for damage to
personsorpropertyresultingfromfailuretoobservetheregulations
containedinthisbooklet.
•Thedeviceshouldnotbeusedforapplicationsotherthanthosespecifiedinthismanual.
•Afterremovingtheproductfromitspackaging,verifyitscondition.Incaseofdoubt,
contactaqualifiedtechnician.Donotleavepackagingwithinthereachofsmallchildren
orpeoplewithdisabilities.
•Donottouchtheappliancewithwetordamphands/feet.
•Thisappliancecanbeusedbychildrenagedfrom8yearsandaboveandpersonswith
reducedphysical,sensoryormentalcapabilitiesorlackofexperienceandknowledge
ifthey havebeen givensupervisionorinstructionconcerninguseof theappliance
inasafewayandunderstandthehazardsinvolved.Childrenshallnotplaywiththe
appliance. Cleaning and user maintenance shall not be made by children without
supervision.
•Do not use the product in the presence of ammable vapours, such as alcohol,
insecticides,gasoline,etc.
•Ifanyabnormalitiesinoperationaredetected,disconnectthedevicefromthemains
supplyandcontactaqualifiedtechnicianimmediately.Useoriginalsparepartsonlyforrepairs.
•Theelectricalsystemtowhichthedeviceisconnectedmustcomplywithregulations.
•Beforeconnectingtheproducttothepowersupplyorthepoweroutlet,ensurethat:
-thedataplate(voltageandfrequency)correspondtothoseoftheelectricalmains
-theelectricalpowersupply/socketisadequateformaximumdevicepower.Ifnot,
contactaqualifiedtechnician.
•Thedeviceshouldnotbe usedas anactivatorforwaterheaters,stoves,etc.,nor
shoulditdischargeintohotair/fumeventductsderivingfromanytypeofcombustion
unit.Itmustexpelairoutsideviaitsownspecialduct.
•Operatingtemperature:0°Cupto+50°C.
•Thedeviceisdesignedtoextractcleanaironly,i.e.withoutgrease,soot,chemicalor
corrosiveagents,orammableorexplosivemixtures.
•Donotleavethedeviceexposedtoatmosphericagents(rain,sun,snow,etc.).
•Donotimmersethedeviceoritspartsinwaterorotherliquids.
•Turnoffthemainswitchwheneveramalfunctionisdetectedorwhencleaning.
•For installation an omnipolar switch should be incorporated in the fixed wiring, in
accordancewiththewiringregulations,toprovideafulldisconnectionunderovervoltage
categoryIIIconditions(contactopeningdistanceequaltoorgreaterthan3mm).
•Ifthesupplycordisdamaged,inordertoavoidahazard,itmustbereplaced:
-bythemanufacturer,itsserviceagentorsimilarlyqualifiedpersons(installer)incase
theinstallationhasbeencarriedoutbythemanufacturer;
-bysimilarlyqualifiedperson(installer)inalltheothercases.
•Donotobstructthefanorexhaustgrilletoensureoptimumairpassage.