Operation Manual

Gas system
8
81Caravan - 10-13 - EN
Operating modes The Duomatic switching facility has two operating modes:
z Winter operation "On and heating"
z Summer operation "On"
Putting into operation:
 Open the regulator taps on the gas bottles (Fig. 82,1 and 4).
 Use the knob (Fig. 82,6) on the switching regulator (Fig. 82,5) to select the gas
bottle which is to be the primary source of gas (primary bottle).
Always turn the knob as far as it will go.
When the knob is in the red area, the gas is taken primarily from the gas bottle
with the central regulator (Fig. 82,3).
When the knob is in the green area, the gas is taken primarily from the gas
bottle with the switching regulator (Fig. 82,5).
 Switch on the Duomatic switching facility at the operating unit (Fig. 83).
To do so, set the rocker switch (Fig. 83,2) to winter operation "On and heating"
(Fig. 83,4) or to summer operation "On" (Fig. 83,6). Both gas pressure regulators
are now ventilated. The operating indicator (Fig. 83,3) lights up.
Switching off:
 Set the rocker switch (Fig. 83,2) to " " (Fig. 83,5). The operating indicator
(Fig. 83,3) goes out.
 Close the regulator taps on the gas bottles (Fig. 82,1 and 4).
Remote display The indicator lamps on the operating unit (Fig. 83) indicate in the vehicle interior
whether the gas bottles are ready for operation.
z Indicator lamp "A" (Fig. 83,1): Gas bottle on the central regulator
z Indicator lamp "B" (Fig. 83,7): Gas bottle on the switching regulator
Changing gas bottles If an indicator lamp goes out during operation, this signifies that the corresponding
gas bottle is empty and must be replaced. The reserve bottle continues supplying
the gas appliances with gas.
Changing gas bottles:
 Close the regulator tap on the empty gas bottle.
 Unscrew the regulator of the gas bottle.
 Connect the full gas bottle to the regulator.
 Open the regulator tap on the gas bottle.
 Set the knob on the switching regulator with a half-turn, so that the newly
replaced gas bottle will serve as a reserve bottle.
X When changing gas bottles, do not smoke or create any open fire.
Z Always mount the regulator so that the protective cap is at the top.