SystemAir Danvent DV

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r.5.6HeatingcoilDVH,coolingcoilDVKandchangeovercoilDVHK
Afteranextendedrunningperiod(normallyafewyears ) dust particlescanaccumulateonthesurfa ceofthe
coil.Thiscanreducetheefficiencyofthecoil.Cleaningmust becarried
out withtheutmost caretoensure
thatthecoilfinsarenot damaged.Thepipingsystem mustbeventedonceayearasairinthesystemcan
significantlyreducethecapacityofthecoil.
r.5.6.1Heatingbattery
Checkthatthefrostprotectionsystemisfullyoperational.Abatterymayburstduetofrostifthefrost
protectionsystemisnotoperational.
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r.5.6.2Coolingbattery
Onceayearcleanthedrip  traybeneaththecoolingcoil,aswellasthedrainandthewatertrap.Takecare
thatthatthereissufficientwaterinthewatertrap.Ifadropleteliminatorhas beenfitted
to thecooling
coil,thismustbecheckedonceayearandcleanedif necessary.
r.5.6.3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.5.7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damagedinanywaytheymustbe
replaced.
r.5.7.1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 instructions.
r.5.8SilencerDVD
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