Dometic NDS POWER SERVICE PSB Montage- Und Bedienungsanleitung Seite 16

EN PSB12-40-24-12-80
To connect the battery charger proceed as shown.
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Table 7: Connection diagram variant B
No.
1
2
3
Connection variant C
Connection variant for 24 V systems for vehicles with control unit/external split charge relay.
16
Description
Alternator
External split charge relay/control unit
Fridge, lamp, and/or other 12 V devices
House battery
Starting battery