7Ductsystemmaintenance
7.1Cleaningextractlouvresandsupplyairdiffusers
Thesystemsuppliesfreshairtoyourhomeandextractstheusedindoorairviatheductsystemand
diffusers/louvres.Diffusersandlouvresaremountedinceilings/wallsinbedrooms,livingroom,wetrooms,
WCetc.Removediffusersandlouvresandwashinhotsoapywaterasrequired(diffusers/louvresmust
notbeexchanged).Cleaningofdiffusers/louvrescanbedoneasnecessary.
Fig.6Diffusersandlouvres
7.2Checkingtheoutdoorairintake
Leavesandpollutioncouldpluguptheairintakegrilleandreducethecapacity.Checktheairintakegrille,
andcleanasnecessary.Itisrecommendedtodothisatleasttwiceayear.
Fig.7Intakegrill
7.3Checkingtheroofcowl(iftted)
Theroofcowl(iftted)connectedtotheexhaustairductneedstobecheckedatleasttwiceayearand
cleanedifnecessary.
7.4Checkingandcleaningtheductsystem
Dustandgreasedepositsmaybuildupintheductsystem,evenifrequiredmaintenancesuchaschanging
ofltersisbeingcarriedout.Thiswillreducetheefciencyoftheinstallation.
Theductrunsshouldthereforebecleaned/changedwhennecessary.Steelductscanbecleaned
bypullingabrushsoakedinhotsoapywaterthroughtheductviadiffuser/louvreopeningsorspecial
inspectionhatchesintheductsystem(iftted).
Itisrecommendedtodothisevery5yearsandisnormallycarriedoutbyauthorizedcompanies
specializedinthisarea.
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SystemairSverigeAB