VTR300 500 Installing Water heating battery 208711

1Changetheelectricalheatingbattery
Inthiswaterbatterykit,waterbattery(art.nr.208317),frostprotectionsensor(art.nr.13941)and
mountinginstructionareincluded.
Note:
Note:Frostprotectionsensorneedtobeinstalledbeforemountingthewaterbatteryintotheunit”
1.1Openthefronthatch
Danger
MakesurethattheMainssupplytotheunitisdisconnectedbeforeperforminganymaintenanceor
electricalwork!
Openthehatchwiththetwolatchesandswingthehatchopen.
1.2Removetheelectricalheatingbattery
Openthelidtotheelectricalcompartmentbyunscrewingthe7torxscrews(4screwsforVTR500).
Fig.1Openthelid
DisconnecttheET2,ET1andOTcablesfromtheprintingcard.Disconnectelectricalre-heaterbattery
(blueandbrowncable)from3–polesocket.(A).
InstallingWaterheatingbattery
Installationinstructions
208711
1
SystemairAB