SystemAir Topvex SR03 Operation And Maintenance Instructions

InTopvexTR03–06alltemperaturesensorsaremountedandwiredinsidetheunit.InT opvexSR03–06
thesupplyairsensorislooselydeliveredwiththeunitandneedstobeinstalledinthesupplyairduct
externallyfromtheunit.SeeInstallationinstructionsformoredetailedinformation.
2.3.5Waterheatingbattery
Inunitswithbuiltinwaterheatingbatterythehotwatercoilislocatednexttothesupplyairconnection.
ThehotwatercoilcanbeeitherHWL(hotwatercoil,lowpower)orHWH(hotwatercoil,highpower).
Thecoilmaterialiscopperpipingwithaframeofgalvanizedsheetsteelandaluminiumns.Thecoilis
equippedwithventingandimmersionsensorforfrostprotection.
ForTopvexSR/TR03–06unitswithnoinstalledre-heaterbattery(None)ahotwaterheatingbatterycan
bemountedintheunit.See“Installationinstruction”forcorrectprocedure.
2.3.6ElectricalHeater
Inunitswithbuiltinelectricalheatertheheatingrodsarelocatedafterthesupplyairfanintheairow
direction.Thematerialisstainlesssteel.Theelectricheatingcoilhasbothautomaticandmanual
overheatingprotection.Themanualoverheatprotectionisresetbypushingtheredbuttononthesideof
theelectricalheaterframebytheuseofapointedtool(gure3).Thepowerdemandoftheelectricheating
coiliscontrolledbythemainregulator,whichcontrolstheheatbyanon/offsignalfunctionaccordingtothe
desiredsupply/extractorroomairtemperaturethatissetinthecontrolpanel.
Danger
•MakesurethattheMainssupplytotheunitisdisconnectedbeforeperforminganymaintenanceor
electricalwork!
•Allelectricalconnectionsmustbecarriedoutbyanauthorizedinstallerandinaccordancewith
localrulesandregulations.
Fig.3ResetofthemanualoverheatprotectioninTopvexSR03–06.
TopvexSR/TR03,SR/TR04,SR/TR06OperationandMaintenanceInstructions
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SystemairAB

SystemAir Topvex SR03 Specifications

General

Brand	SystemAir
Model	Topvex SR03
Category	Air Handlers
Language	English