9.5.1 Preparing the cables
1. Label the cable ends as per Fig. 1 (M+, M–, B+, ...).
2. Lay the battery, module and load cables directly next to each other. Do not yet connect the
cables!
3. Connect the external battery fuse, close to the battery and easily accessible, to the battery
cable B+ ( in Fig. 1).
4. Switch off the external battery fuse: Remove the fuse insert from the fuse holder (safety fuse)
or switch off the DC line circuit breaker and secure it against being switched on again.
5. Connect the optional DC load circuit breaker, close to the controller and easily accessible, to
the module cable M+ ( in Fig. 1).
6. Switch off the DC load circuit breaker and secure it against being switched on again.
9.5.2 Connecting the battery
No devices are connected to the battery.
1.
Connect the battery cable and external battery fuse to the battery connection of the control-
ler and to the battery.
2. Switch on the external battery fuse: Insert the fuse insert into the fuse holder (safety fuse) or
switch on the DC line circuit breaker . The controller automatically starts operation and, after
a few seconds, displays the detected system voltage (= battery voltage) in an event message
(Fig. 11).
3. Note the system voltage displayed in Fig. 11.
4. Press ‘ESC’ to confirm the event message. The basic setting display appears (Fig. 12).
5. Confirm other event messages with ‘ESC’ , e.g. ‘RTC not set’ .
6. If Fig. 11 and Fig. 12 are not displayed then check the installation and if necessary correct the
error using section 15.
7. Check that the noted system voltage corresponds to the actual battery voltage. If not, set
the system voltage in the expert menu (‘Main menu’
‘Battery settings’ ‘Expert menu’
‘System voltage’; more information on this is provided in section 13.5).
CAUTION!
Danger of damage to the controller. Observe the maximum battery voltage as per
section 18.1.
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