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EN
The electrolyte circulation option features an air pump integrated in the charger. This intro-
duces air into the battery through capillary tubes that are provided specifically for this pur-
pose. This allows intensive mixing of the electrolyte to take place. The benefit is the
reduced heating of the battery, and consequently longer battery-life, plus reduced water
loss during charging.
If a pump fault or leaks in the connection with the battery result in a fault being detected,
then the status code "Statecode 14" will appear on the display. One way in which this fault
can be indicated is by using an external indicator lamp to show a common error.
The electrolyte circulation cycle is controlled by the charger's control system. A number of
selection options are available in the configuration menu for this purpose. More information
can be found under "Additional functions" in the "Display" section.
The default preconfigured programs 1 to 5 are among these selection options. The relevant
parameters for these programs are listed in the table below together with a subsequent ex-
planation.
In each of these programs, the solenoid valve opens for a time "ON 1" and closes for a time
"OFF 1". This process is repeated for the number of times specified under "Repeat". After
this number of repetitions has been completed, the process continues with the "ON 2" and
"OFF 2" times until charging is completed.
Cleaning the air filter insert
The air filter insert for the integrated air pump should be cleaned once a year. In dusty en-
vironments, the cleaning interval should be shortened accordingly. The air filter insert (2)
must be removed for cleaning. Remove the air filter (1) by pulling it out and then refit it as
follows:
1 2
Program ON 1 OFF 1 Repeat ON 2 OFF 2
1 30 min 25 min 1 x 5 min 25 min
2 3 min 10 min 4 x 3 min 20 min
3 3 min 12 min 1 x 3 min 12 min
4 5 min 10 min 3 x 5 min 20 min
5 2.5 min 7.5 min 1 x 2.5 min 7.5 min
1
(2)
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