SystemAir Danvent DV

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49
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r.2Recommendedmaintenanceintervals
Function Maintenance Number
peryear
Unitcasing Cleaningoftheunitcasing. 1
Controlofrubbersealsondoorsandbetweensections. 1
Filters Changeondemandbyalarmandalwaysminimumtwiceayear. 2
Controlofrubberseals.Controlofthesystemwithlateral
lockingrailsandhandlesonTIMEandDV10–DV150.Controlof
thefilterbankframeswithfastenersonDV190andDV240.
2
Fans Cleaningofallparts. 1
Checkmotorsandbearings 1
Checkthattheimpellersarerotatingwithoutdissonance. 1
Checkthatanti‐vibrationmountsareintact. 1
Checkthattheunitisoperationwithoutvibrationsafterthe
cleaning,overhaulandmaintenance.
1
Rotaryheat
exchanger
Checkthatleakageanddirtaccumulationisinsignificant 1
Checkthattherotorcanturnfreelyandeasilymanuallywitha
handwhenthebeltisremovedfromthedrive
1
Plateheat
exchanger
Checkbypassfunctionandsequenceforde‐icing 1
Run‐aroundheat
exchanger
Checktheexchanger functionandtestthefrostprotection.The
glycolmustbewithoutadditivesandautoglycolmustnotbe
used.
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Dampers Testtheoperation. 1
Visualinspectionofsealsandtightnesswhenclosed. 1
Hotwaterbattery

Checkthedirtaccumulationandclean,ifneeded. 1
Bleeding,ifneeded. 1
Testoffrostprotectionsequence 1
Testofcirkulationpump 1
Electricheating
battery
Checkdirtaccumulationandclean,ifneeded. 1
Testthefunctionofthesystemwiththefusesforthesafety. 1
Coolingbattery Checkdirtaccumulationandclean,ifneeded. 1
Testthefrostprotection(glycol) 1
Coolingcompressor
unit
Mandatoryannualcontrolofthecompressorsystem.Mustbe
donebycertifiedtechnicianfromacertifiedcompany.
1
Condensatedrain Cleaningoftray,watertrapandoutlet.Checktheelectrical
heatingbetweeninsulationandpipes,ifinstalled.
1
Saving‐andcomfort
functions
TestofCO2sensor,humiditysensor,motionsensor,pressure
transmittersforaircapacitycontrol,extendedoperationvia
button,coolingrecovery,freecooling
1
Firealarm Testofthermostats,smokedetectorsandfiredetection
systems
1
Batteryincontroller Changethebatteryondemandbyalarminthedisplayand
alwayschangethebatteryasaminimumevery5.Year.
1
Remotecontrol TestofCommunications. 1