Page 9 - Manual – Compressor Freezer G21 – C&F 35 l

Connecting the cooler
Connecting to a battery(Vehicle or boat)
The cooler can be operated with 12 V or 24 V
Notice: Danger of damage!
• Disconnect the cooler and other consumer units from the battery before you connect the battery
to a quick charging device.
• Overvoltage can damage the electronics of the device.
• For safety reasons the cooler is equipped with an electronic system to prevent the polarity rever-
sal. This protects the cooler against short-circuiting when connected to a battery.
• Plug the 12/24 V connection cable into the device DC voltage socket and also into a 12 V or
24 V cigarette lighter socket.

Notice: Danger of damage!
If the device is switched off by the battery control and the battery si not fully charged again, avoid
starting the device repeatedly or operating it without sufficient charging. 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 LOW MED HIGH
Switch-off voltage at 12 V 10.1 V 11.4 V 11.8 V
Restart voltage at 12 V 11.1 V 12.2 V 12.6 V
Switch-off voltage at 24 V 21.5 V 24.1 V 24.6 V
Restart voltage at 24 V 23.0 V 25.3 V 26.2 V

The battery monitor mode can be selected as follows:
• Press the “SET” button three times
• Use the “UP+ ” or “DOWN – ” buttons to select the battery monitor mode.
• Digital display will be as follows:
Lo(LOW), Md(MED), Hi(HIGH)
• The selected mode then appears at the display for a few seconds. The display flashes several
times before it returns to the current temperature.