EasyManuals Logo

SystemAir Topvex SR 09 User Manual

SystemAir Topvex SR 09
34 pages
To Next Page IconTo Next Page
To Next Page IconTo Next Page
To Previous Page IconTo Previous Page
To Previous Page IconTo Previous Page
Page #6 background imageLoading...
Page #6 background image
2.3DescriptionofInternalcomponents
2.3.1SupplyandExtractairFans
ThefanshaveexternalrotormotorsofECtypewhichcanbesteplesslycontrolledindividually0–100%.It
ispossibletoprogramthespeedin2steps(normal/reduced)dependingontheprogrammingoftheweek
schedule.Themotorbearingsarelifetimelubricatedandmaintenancefree.Itispossibletoremovethe
fansforcleaning,seechapter5formoreinformation.
2.3.1.1PressuretransmitterFans
2pressuretransmittersmaintaintheairowataconstantlevelbymeasuringthedifferentialpressureover
theinletconeofthefanimpellers(pos.10gure1,gure2).Thepressuretransmittersareinstalledfrom
factoryinallunitswithCAVcontrol.InVAVunitsthepressuretransmitterswillnotbemountedintheunit
fromfactory.Insteadtheywillbedeliveredlooselywiththeunittobemountedinthesupplyandextractair
ducts,see“Installationinstructions”formoreinformationconcerningVAVinstalltions.
2.3.2SupplyandExtractairFilters
TheltersareofbagltertypewithlterqualityF7forthesupplyairlterandF5fortheextractairlter.
Theltersneedtobereplacedwhenpolluted.Newsetsoflterscanbeacquiredfromyourinstalleror
wholesaler.
2.3.2.1Pressureguardlters
Apressureguardmeasuresthedifferentialpressureoverthesupplyandextractairlters(pos.9gure
1,gure2).Whenthepressuredropreachesthesetvalueanalarmistriggeredinthemainregulator.
Thedifferentialpressurecanbesetbetween40and300Pa.Thepressureswitchispresetfromfactory
to240Pa.
2.3.3HeatExchanger
TopvexSR/TRmodelsareequippedwithahighlyefcient,beltdriven,rotatingheatexchanger.Required
supplyairtemperatureisthereforenormallymaintainedwithoutaddingadditionalheat.Theoperationof
theheatexchangerisautomaticanddependsonthesettemperature.Anextradrivingbeltisincludedon
therotorondelivery(pos.8gure1,gure2).
TheT opvexTRheatexchangerisremovableforcleaningandmaintenance,seechapter5formore
information.
2.3.3.1Rotormotor
Therotormotordrivestheexchangerrotorwithaninnitelyrpmaslongasthereisaheatdemand.The
motoriscontrolledbyananalogue0-10Vcontrolsignal(pos.6gure1andgure2).
2.3.3.2Rotationguard
Abuilt-inrotationguardintheheatexchangercontrolregisterstherotationoftheheatexchangerrotor.If
theheatexchangerstopswhenthereisaheat/coolingdemandtheexchangercontrollergivesanalarm
signaltothemaincontroller.
2.3.4Temperaturesensors
4temperaturesensors(PT1000)areincludedintheunitfromfactory:
Supplyairsensor
Extractairsensor
TopvexSR09,11,TR09-15OperationandMaintenanceInstructions
207880
4
SystemairAB

Questions and Answers:

Question and Answer IconNeed help?

Do you have a question about the SystemAir Topvex SR 09 and is the answer not in the manual?

SystemAir Topvex SR 09 Specifications

General IconGeneral
BrandSystemAir
ModelTopvex SR 09
CategoryAir Handlers
LanguageEnglish

Related product manuals