ELECTRICAL SYSTEM FUNCTIONS
EN
16
1
2
IMPORTANT in the case of installation of equipment that needs permanent exclusion of the
battery parallel relay (ref. 1), you must remove the R37 resistor (ref. 2). The resistor can be
removed using a wire cutter, being careful not to damage the PCB traces below.
:
LEISURE BATTERY (B2) RECHARGING
when the engine is started.
CAR BATTERY (B1) RECHARGING
When the battery charger is charging, an electronic
device allows a recharging ( A) of
the car battery (B1), the system gives priority to the
leisure battery (B2).
nominal current 2
a) by alternator: through the separating relais,
charger.
c) by solar panel: through solar regulator.
D+ FUNCTIONS
An electronic device controlled by the “+ key” ON
switches on the D+ functions (batteries parallel, OUT
D+ simulated output, awning light etc.) when the car
battery voltage is > 13.5V and switches them off with
the “+ key” OFF or with voltage < 12.5V.
The D+ functions can be activated only if the B2
leisure battery is connected.
Operation without SMART ALTERNATOR:
b) by 230V net: buffer system through battery
Operation with SMART ALTERNATOR (present on
all DS300 distribution boxes manufactured since
September 2019):
Condition A: with “+ key” ON signal and car battery
voltage > 13,5V. The functions are
deactivated with “+ key” OFF or with
voltage < 12,5V.
Condition B: with “+ key” ON signal and “D+”
negative signal (-). The functions are
deactivated in absence of one of
those two signals.
N.B.: In presence of both conditions, the functions
are deactivated in absence of the “+ key” signal.
The D+ functions can be activated only if the B2
leisure battery is connected.d only if the B2 leisure
battery is connected.
For vehicles equipped with SMART ALTERNATOR
n electronic device switches on the D+ functions
(batteries parallel, OUT D+ simulated output, awning
light etc.) when the engine is running. The D+
functions are activated in presence of at least one of
following conditions:
,
a
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