5.3.2Checkingtherotatingheatexchanger
Afteralongtimeofusedustmaybuildupintheexchangerandblocktheairow.Itisimportanttoclean
theexchangerregularlytomaintainhighefciency.InTopvexTRthecompleterotatingheatexchanger
blockcanbetakenoutoftheunit(gure8)forcleaningandmaintenance.Washinhotsoapywateroruse
pressureair.T opvexSRhasaxedheatexchangerblockandneedstobecleanedinsidetheunit.Use
pressureair.Donotusedetergentcontainingammonia.
Checkatleastonceayearthattheexchangerrotorrotateseasily.Checkthisbyremovingthedriving
beltandmovetherotorbyhand.Checkalsothatthebrushesareundamaged.Therotorbearingsare
permanentlylubricatedfromfactoryandshouldnotbere-greased.
Check4timesperyearthatthedrivingbeltissufcientlytense,thatitfollowsthetracksandthatitis
undamaged.Ifthebelttensionistoolowitneedstobeshortened.
Fig.8Dismountingtheheatexchanger
Note:
Makesurethattherotormotorisnotexposedtomoisture.
TopvexSR09,11,TR09-15OperationandMaintenanceInstructions
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SystemairAB