Using the DC kit DC-Kit1
24
Driving mode: power supply from the 12 V battery
➤ Switch on the inverter using the remote control.
➤ Use the roof air conditioner as described in the operating manual.
Driving mode: power supply from the 12 V battery with motor switched
off.
If the inverter switches off due to low voltage in the supply battery (10.5 V),
no voltage will be supplied to the socket and the roof air conditioner switches
off. The inverter is in standby mode.
As soon as the power from the supply battery reaches the inverter's
activation point, the socket is supplied with voltage again.
You have to switch on the roof air conditioner again manually, as the control
electronics need to be reactivated after a lack of voltage.
Driving mode: power supply from the 12 V battery with motor switched
on.
In driving mode, the starter and supply battery are electrically connected
when the light system is active. This means the supply battery can be
charged from the light system.
Starter batteries may not be discharged as much as supply batteries. To pre-
serve the starter battery, the charging current distributor separates the starter
battery from the supply battery, if the charging voltage in the starter battery
drops below 10.5 V. This also ensures that the starter battery is charged be-
fore the supply battery.
If the charging voltage regulator cuts the connection to the supply battery due
to low voltage, it switches off the compressor in the roof air conditioner at the
same time. The inverter remains active and has voltage in its socket.
As soon as the voltage in the supply battery has reached the switch-on point
in the charging current distributor, the compressor in the roof air conditioner
switches on again.
If the voltage in the supply battery drops further and goes below the 10.5 V
switch-off point for the inverter, the inverter switches off (chapter “Driving
mode: power supply from the 12 V battery with motor switched off.” on
page 24).
DC-Kit1.book Seite 24 Donnerstag, 6. Mai 2010 4:05 16