8
1 INTRODUCTION
Storage Mode
Storage mode is designed to charge the house battery to its optimal level and
maintain that level while your caravan is in storage. This mode requires all loads
to be switched off or disconnected from the house battery before charging. It
uses a 5-stage charging profi le consisting of Boost, Absorption, Equalise, Float
and Maintenance stages (see Figure1.4.2). Storage mode is designed to detect
a wide range of battery fault conditions, for more information on these fault
conditions, please refer to the Troubleshooting section of this manual. Unlike
Touring mode, Storage mode does not cycle. This means that when the charging
process is completed, the BMS will always remain in either Float or Maintenance
stages. Float stage will provide the house battery with a ‘trickle’ charge whenever
the house battery voltage drops below a predetermined threshold to ensure the
battery stays charged. Maintenance stage turns the BMS output off, but continues
to monitor the house battery and will revert to Float stage when necessary.
NOTE: If the BMS is set to Storage mode and the vehicle is started the BMS will
automatically switch to Touring mode once it senses an increase in input voltage
from the alternator.
WARNING
Remove all loads from the house battery before starting a Storage mode
charge. Failure to do so could result in an insuffi cient charge on the house battery
or damage to sensitive loads connected to the house battery.
BOOST
ABSORPTION
FLOAT
MAINTENANCE
EQUALISE
FLOAT
MAINTENANCE
Maintenance MaintenanceFloatFloatEqualiseAbsorptionBoost
Voltage
Current
5 - Stage Charging Process
Figure 1.4.2 - 5-Stage Charging Process
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