Operation Manual

Electrical Installations
07-9
ItisnotnecessarytoswitchthemainswitchontheBoard
ControlPaneloninordertochargethebatteries.Whenthe
batterychargerhasbeenswitchedon,thebatteriesarechar-
gedassoonasthefeederplugsupplies230V.
Charging procedure
Thechargerrepresentsthecurrentstatusoftechnologyand
chargesinthreephasesinaccordancewiththeso-called
IU
0
U
1
curve.Thechargingperiodshouldbeatleast12hours.
Function of the battery charger
Protecting the device
Ifthebatterychargershouldbecomehotbecauseofhighen-
vironmentaltemperaturesorhighchargingcurrents,abuilt-in
thermalswitchturnsoffthebatterychargeruntilthetemperature
inthebatterychargerhasdroppedagain.
Check list
• Turnoffthemotor.
• Connectthebatterychargertothemainssupply.
• Switchonthe12Vmainswitch.
• Turnoffallequipment(alsorefrigerator)using12Vpower.
Thevoltage ofthe caravanbatterymust riseto amaximum
voltageof14.4V.
Batteriesdonotrespondwelltocoldtemperatures;in
suchcasestheydonotsupplyelectricitytotheon-board
circuitorabsorbpowerfromthecharger.Therefore,when
travellinginwinter,theheatingshouldbeturnedonbefore
chargingthebatteries.
Thebatteryvoltageofboththemotorbatteryandthe
ancillarybatterycanbecheckedcontinuouslyonthe
controlpanel.
Thebatterychargeronlyworksifthebatterieshavebeen
insertedwiththeirpolesintherightdirection.
Theminimumchargingperiodof12hoursmustbeexten-
dedaccordinglyifequipmentusing12Visswitchedon
duringcharging.
Total discharge protection
Ifthebatteryvoltageoftheancillarybatterysinksbelow
10.5Varelayshutsdownallequipmentusingpower.
Ifthetotaldischargeprotectionisactivatedturnoffthe
12Vmainswitchtoavoidanadditionaldischargeofthe
ancillarybattery.