Burstner I 2012 - Operation (Dometic 7 Series with Automatic Power Selection AES and Frame Heater)

174 I-Modell - 11/12 - Ausgabe 09/11 - 2096165 - BUE-0056-05EN
Appliances
9
9.6.2 Operation (Dometic 7 series with automatic power selection
AES and frame heater)
Operating modes The refrigerator is equipped with automatic power selection (AES). If the
selector switch is set to "AUTO", the AES automatically selects the optimum
energy source and regulates the refrigerator operation. Manual intervention to
select the type of power is possible but not required.
The AES selects from the following types of power:
z 230 V AC
z Gas
z 12 V DC
Choosing the available energy source highest on the list.
230 V operation If the automatic mode is selected and the 230 V supply is switched on, the
AES selects this energy source first.
12 V operation 12 V operation is only selected by the AES if the vehicle's engine is running
and the alternator supplies sufficient 12 V operating power.
Gas operation
If the 230 V power supply is not connected and the vehicle's engine is not run-
ning the AES selects the gas supply. When selecting gas operation the igni-
tion fuse is opened automatically so gas can get into the burner. At the same
time the electronic ignition is activated. If the gas flame is extinguished, e.g. by
blast of wind, the ignition is activated immediately and re-ignites the gas.
When the gas operation is faulty, the "GAS" indicator lamp (Fig. 189,4) flashes
red.
Z The refrigerator always requires a 12 V control voltage, regardless of which
type of energy it is using. The control voltage is present as soon as the
transformer/rectifier is switched on. Therefore the closed circuit current
always flows even if the refrigerator is switched off. Always switch off the
transformer/rectifier for a temporary lay-up.
Fig. 189 Operating controls for the
refrigerator (Dometic 7 series
with AES and FH)
1 Frame heater (FH) button
2 Indicator lamp
3 Energy selector switch
4 Indicator lamps
5 Indicator lamps
6 Control knob for setting the tempera-
ture
X Never let gas escape unburned due to danger of explosion.
X It is not permitted to operate the refrigerator with car gas.
Z Open the regulator tap on the gas bottle and the gas isolator tap "Refriger-
ator".