Dometic CoolFreeze CDF-18 Instruction Manual page 12

6.4 Using the battery monitor
If the cooler is operated when the vehicle ignition is switched off,
the cooler switches off automatically as soon as the supply voltage
falls below a set level. The cooler will switch back on once the
battery has been recharged to the restart voltage level.
Caution – Danger of damage!
a
When switched off by the battery monitor, the battery will no longer
be fully charged. Avoid starting repeatedly or operating current
consumers without longer charging phases. Ensure that the battery
is recharged.
In "HIGH" mode, the battery monitor responds faster than at the
levels "LOW" and "MED" (see the following table).
Battery monitor mode
Switch-off voltage at 12 V
Restart voltage at 12 V
Switch-off voltage at 24 V
Restart voltage at 24 V
Note
I
When the cooler is supplied by the starter battery, select the battery
monitor mode "HIGH". If the cooler is connected to a supply battery,
the battery monitor mode "LOW" will suffice.
If you wish to operate the cooler from the AC mains, set the battery
monitor to the "LOW" position.
LOW
10.2 V ± 0.3 V 11.2 V ± 0.3 V
11.2 V ± 0.3 V 12.2 V ± 0.3 V
22.0 V ± 0.3 V 23.9 V ± 0.3 V
23.3 V ± 0.3 V 25.1 V ± 0.3 V
Operation
HIGH
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