6
CAUTION!
Danger of damage to the in-car electronics by refresh charging.
Before beginning refresh charging, disconnect battery from vehicle power
supply.
Important!
The success of refresh charging depends on the degree of sulphation of the
battery.
Operating modes
Available opera-
ting modes
Overview of available operating modes. Important additional information on the individual
operating modes can be found in the following sections.
Standard charging
For batteries with liquid (Pb, GEL, Ca, Ca silver) and fixed (AGM,
MF, sealant) electrolyte
Refresh charging
For reactivating batteries with liquid (Pb, GEL, Ca, Ca silver) and
fixed (AGM, MF, sealant) electrolyte
External power supply
External power supply to consumers and backup for the vehicle
battery
Current input test
Used to test a battery’s ability to accept charge
Standard char-
ging mode
Use standard charging mode for:
-
charging/conservation charging with battery either fitted or removed
-
in back-up mode (to supply power to the vehicle electronics whilst the battery is
changed)
-
in trickle mode (to charge the battery when consumers are switched on in the
vehicle)
Important!
if the battery reaches full charge in trickle mode, the charger automatically
switches to conservation mode.
Refresh charging
mode
Refresh charging mode is used to charge the battery if it is suspected that the battery
has been deeply discharged over a long period (e.g. battery sulphated)
-
battery is charged to maximum acid concentration
-
plates are reactivated (degradation of sulphate layer)
NOTE!
refresh charging may only be used when:
-
the battery capacity has been correctly set
-
refresh charging takes place in a well-ventilated area
Summary of Contents for VAS 5903
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