Dometic SMP439, Installation And Operating Manual

Page: 15 / 304

EN
SMP439, 439-08 Installing the device
15
• Lay the cables in accordance with VDE 100 (Germany).
• Use the following cable colors:
–
Red: positive connection
– Black: negative connection
• Do not reverse the polarity. Reversing the polarity of the connections will cause a
great spark and the internal fuses will melt.
1. Connect the positive cable from the battery charger to the positive terminal of
the battery.
2. Connect the negative cable from the battery charger to the chassis of a vehicle.
Keep the negative cable away from battery and fuel line.
3. Connect the battery charger to supply mains.
Disconnecting the battery
1. Disconnect the battery charger from supply mains.
2. Disconnect the negative cable from the chassis of the vehicle.
3. Disconnect the positive cable from the positive terminal of the battery.
Using with a LIN bus and battery sensor
You can find a sample wiring diagram for using the device with a LIN bus and battery
sensor in fig.
3
, page 5.
The LIN bus plug pins are assigned as follows:
No. in
fig.
3
, page 5
Explanation/function
1 Consumer
2 LIN/CI bus control system
3 Battery sensor
4 Battery
5 Fuse
Pin in
fig.
4
, page 5
Allocation
1 BATT +12V
2 LIN bus data I/O
3 BATT GND