10
Selection of charge level
The default setting is Low at 14.0V without Equalize. Before choosing the charge level please consider
the specifications supplied by the battery manufacturer. The Equalize Mode (if activated) reformates the
battery the earliest every 30 days, this counteract the sulphation and enhances the efficiency of the
battery. The following table may be used to assist with selecting the correct Charge Level:
Low
GEL / LiFePO4
Medium
AGM / LiFePO4
High
Spiral Cell / AGM / Pb liquid / Calcium
Instructions and specifications provided by the battery manufacturer must be considered!
After configuration
The System automatically checks for an installed relay (12V Version only) and indicates if a relay was
found/ could not be found yet (restarts relay check automatically later) or no relay found.
When changing the Aux battery or to choose another Charge Level disconnect the red (+Main) wire and
the blue (+Aux) (and if used the lightblue IGN) wire from batteries and restart the configuration as in
description above with the
Link/Prog
wire (with installed Link-Button these contacts can be made by
pushing the Button or with installed IBS-DBS by pushing the link Button on the monitor [with IBS-DBS
make sure to push auto Button when the DBM20A changed to Stand-by mode).
Relay Check List
Directly after saving the selected charge level the system automatically starts to check if a relay is
installed. This only happens with 12V/12V systems. The relay check will not be executed if DBM20A
is used in a 24V/12V system and it directly changes to standby mode.
1. Therefore the relay will be turned on for a short time (you should hear the relay „clack“). The relay
LED is turned on.
2. After 2 seconds the relay and the relay LED will be turned off again.
3. Afterwards it will be indicated by the two main and aux battery LED’s if a relay was found or not. If
both LED’s are green the system found a relay. In case they are in orange the system didn’t yet find
a relay. In this case it will restart a relay check as soon as the engine is turned on. The LED’s are
red when there was no relay found.
4. Change to standby mode.
Is only shown for 1 second!
Main Battery LED
Aux Battery LED
Status
red
red
No relay found
orange
orange
It will check again later
green
green
Relay found
Automatic relay detection
Engine off and wait 2 minutes
Switch on ignition, switch on headlights and fan, wait 1 minute
Press the link button (button or monitor), click from the relay audible when it is recognized.
