CTEK D250S Dual User Manual - Page 7
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SOLAR PANEL
SITUATION
SOLUTION
Solar panel
The D250S DUAL searches for
the Maximum Power Point and
PRObLEm
charges the battery perfectly
A solar panel with 36 cells
with very high efficiency.
produces maximum power at
about 17V. Many regulator
reduce the voltage by
"burning off" energy.
INSTALLATION SHEET 1
+IN
+IN
TIP 1
Mount the temperature sensor
on the Service battery.
boat: All installation should
be done in accordance with
ISO10133
WARNING!
•Max 22V input
•Do not connect two solar
panels in series
12V
D250S DUAL
+OUT
SmALL SERVICE bATTERY
SITUATION
SOLUTION
One alternator feeding a
The D250S DUAL charges the
Starter battery and a small
Service battery quickly and
Service battery
very efficiently. The battery
will be fully charged, produce
PRObLEm
more and last significantly
The Service battery will take
longer
a very long time to recharge
due to low alternator voltage.
Due to this, the battery
will underperform and die
prematurely.
INSTALLATION SHEET 2
+IN
+IN
TIP 2
Refer to Tip 1.
Alternators with voltage sensor
cables should connect this on
the Starter battery
3. Caravan/trailer: For
13-pole contact, connect
D250S DUAL alternator
battery + to pin #9. Connect
pin #13 to D250S DUAL
vehicle ground –.
WARNING!
- Max 22V input
12V
D250S DUAL
+OUT
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