Product Manual

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EN
SMARTPASS 120S
+OUT
+OUT
+IN
PREREQUISITES
A dual battery system where the
SMARTPASS 120S charges a 28–800Ah
service battery from a alternator which also
charges a starter battery.
It is advantageous to use this installation when:
• The alternator is able to deliver the desired
charging voltage.
• The service battery capacity is greater than
100 Ah.
• The consumers are supplied directly from the
alternator at the same time as the service bat-
tery is being charged.
See also tips 2 and 3.
4. Service battery with parallel consumers
SERVICE
BATTERY
*
*
*
PREREQUISITES
A dual battery system where the D250SE char-
ges a 40–300Ah service battery from a solar
panel, an alternator, or both which also charge
a starter battery.
It is advantageous to use this installation when:
• The alternator is not able to deliver the desired
charge voltage.
• Charging from a solar panel.
See also tips 1, 2 and 3.
3. Small service battery and solar panel
*
STARTER
BATTERY
STARTER
BATTERY
SERVICE
BATTERY
*See ”CABLE AND FUSE REQUIREMENTS” *See ”CABLE AND FUSE REQUIREMENTS”