VTR300 500 Installing Water heating battery 208711

2Waterconnection
Whenconnectingaheatertothewatersystem,thefollowingthingsshouldbeconsidered:
1.Theconnectingpipesfromtheheatexchangermustundernocircumstancesbesubjectedtotwisting
orbendingstresseswhenassemblingthepipeetc.Usesuitabletoolstocounteracttheconnectors
twisting/bendingmomentsduringassembly.
2.Ensurethatforcesduetoexpansioninthesystemandtheintrinsicweightofthepipingsystemitselfdo
notputloadsontotheconnectingpipesfromtheheater.
3.Hotwaterinletandoutletshouldbeconnectedasillustratedingure5.Theheatercontainsableed
screw(5),theairmustbeproperlyventedfromthesystemtoensureproperfunction.Aventingvalve
shouldnormallybeinstalledneartheheatexchangeroratthehighestpointinthesystem.
4.Adrainagescrewisconnectedontheheatergure5toemptythesystemintheeventofrepairwork,
alongeroperationalstop,orwhenthereisariskoffreezing,etc.
5.Immediatelyafterthesystemhasbeenlledwithwater,theheateranditsconnectionsmustbechecked
forwaterleaks.Leakscancausewaterdamage.
Operationaldata:
Max.operatingtemperature:125°C
Max.operatingpressure:0,8MPa(8Bar)
Warning
Ifthewaterintheheatexchangerfreezes,thenitcanburst.Ifthishappendswatermayleakfrom
thesystemandcausewaterdamage.
Ifthereisariskoffrosttheheatermustbeinstalledwithacirculationpumpinasecondarycircuitto
ensurethataconstantowisachievedintheheater.It'sstronglyrecommendedtoinstallanoutdoorair
damperwithaspringreturnactuator.
InstallingWaterheatingbattery
Installationinstructions
208711
5
SystemairAB