From Vehicle Battery; Mounting The Wheels - Dometic SuperCooler RC 4000 Operating Instructions Manual

5.2. Operating from vehicle battery
Make sure the voltage shown on the data plate of the
appliance matches the voltage of the vehicle battery
(12V or 24V).
12V DC voltage appliances are equipped with
connectors that can be plugged into cigarette lighters
(Figure 3.). For some types of vehicles, you may need
to remove the red plastic ring located on the end of
the connector. To do so, turn the plastic ring anti-
clockwise and pull it off. The appliance can then be
connected to the cigarette lighter. In 12V operation,
the appliance runs uninterrupted without temperature
control.
24V DC voltage appliances are shipped with bare wire
ends. The wire ends must be connected to a terminal
block, which is connected to the vehicle battery via a
5A fuse and 5A switch.
Whenever the engine is not running, the
appliance connector must be removed from the
cigarette lighter (12V appliance) or the switch turned
off (24V appliance). Otherwise, the appliance will
discharge the vehicle battery rapidly.
5.3. Operating from bottled gas
Connection to the gas cylinder is described in
sections 11.3. and 11.4.
After opening the gas cylinder valve, push the safety
valve button down (Figure 4.A) and set it to the Large
flame symbol, holding it down after 10 seconds. Press
the piezo-igniting button (Fig 4.C) several times one
after the other. If the flame does not ignite, repeat the
process. (Air in the appliance gas line prior to
connection to the gas cylinder must be evacuated.
Only then can the gas be lit.)
After you have got the flame keep the safety valve
button down another 20 seconds.
If the burner is working the flame indicator pointer will
be in the green field (Fig 4.D).

6. Mounting the wheels

The wheel set, found inside the appliance.
6
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(Fig. 5)
Figure 3.
C
A
B
D
Figure 4.
Figure 5.