Operation Manual

Electrical system
9
92 Caravan - 14-09 - EN
9.4 Power pack
The power pack is usually installed in the wardrobe.
If the vehicle is not connected to the 240 V power supply, the requisite power
supply is provided by the battery of the towing vehicle, as long as contact 9 "Con-
stant positive" is connected to the towing vehicle socket (see connection diagram
at the end of this chapter). The 12 V living area lamps, the cassette toilet and the
water pump can be used.
If the vehicle is connected to the 240 V power supply, the power pack switches the
power supply in the living area automatically from the towing vehicle battery to
mains operation. For Dometic type I the power pack must also be turned on.
Switched-mode power
supply
The power pack (Fig. 84,3) is mounted next to the 240 V automatic circuit breaker
(Fig. 84,2).
A main switch (Fig. 84,5) and a residual current circuit-breaker (Fig. 84,4) are inte-
grated in the power pack. The automatic circuit breaker contains several fuses
(Fig. 84,1).
The residual current circuit-breaker (Fig. 84,4) measures the current flow of the cur-
rent deed and return lines. If the two lines are equivalent, the residual-current cir-
cuit-breaker does not become active. If there is a difference between the lines the
breaker interrupts the current flow immediately. This prevents dangerous electrical
accidents.
Switching on:
Switch the main switch (Fig. 84,5) downwards to the "ON" position.
Z When the ignition is switched off and there is no connection to the 240 V power
supply, the battery of the towing vehicle is discharged by consumers such as
the refrigerator or the living are lamps (exception: Power Pack SE). The starting
capability of the towing vehicle can be impaired.
Z The towing vehicle battery is not charged by the power pack.
Fig. 84 Power pack and automatic cir-
cuit breaker
5
4
1
23