USER MANUAL DV WITHOUT CONTROLLER VERSION 1.01.13 90925371

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r.4.6.3Electericheatingbattery
Checkthatthebuilt‐insafetythermostatwithanautomaticresetfunctionandtheoverheatthermostat
withmanualresettingarefullyoperational. 
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r.4.7PlugfansDVE
Dustcanaccumulateonthefanimpellerwhichcancauseimbalanceandvibrations.Thefanimpellermust
thereforebecheckedonceayearandcleaned,ifnecessary.Anti‐vibrationmountsand
flexible connec tions
shouldbecheckedatthesametime.Iftheanti‐vibrationmountsare
dama gedinanywaytheymustbe
replaced.
r.4.7.1Motor
Themotor are
usually fittedwithfactorylubricatedbearingswhichrequirenofurtherlubrication.
Largermotorscanbefittedwithgreasingnipplesandbearingswhichrequireregularlubrication.
Lubricatingthesetypesofbearingsmustbecarried
out accordingtothe manufactur er ’ s  instruc tions.
r.4.8SilencerDVD
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Duringoperationdustparticlescanaccumulateonthesurfaceofthebaffles.Silencersthataredesignedfor
dryandwetcleaningarefitted
with bafflesthatcanbeextractedfromtheunitcasing.Largeinspection
doorsgiveaccesstoeasilyextractionofthebaffles.Bafflesdesignedfordrycleaningcanbecleanedusinga
softbrushortheycanbevacuumcleaned.Bafflesdesignedforwetcleaningcanbewasheddown usinga
softbrush
andsoapywater.Thedetergentused must benon‐aggressive.Afterwashing,thebafflesmustbe
wiped drywitha cloth. Reme mber tocleantheinsidesurfaceofth eunitcasingbeforerefittingthebaffles. 
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