Using The Device - Dometic SMP439-11 Installation And Operating Manual

SMP439-11 (7LA.915.681)
• 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.
An example of a connection diagram is shown in fig. 2, page 3.
No. in
fig. 2, page 3
1
2
3
4
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.
6

Using the device

1. Switch off all electric consumers which are connected to the battery.
2. Connect the battery charger to the mains.
✔ Depending on the charging condition of the battery, the battery charger starts
charging or supplies a retention voltage.
I
NOTE
• Connected DC loads prolong the charging time of the battery.
• If the power required exceeds the capacity of the battery charger the
battery cannot be charged.
EN
Explanation/function
Battery
Battery charger SMP439-11
230 V mains connection
Charge controller
Using the device
13