4
Operation
Drive batteries
DANGER
Risk of explosion! The escaping gases are flamma-
ble.
Only charge the battery in well-ventilated areas.
There must be no objects or obstructions in close
proximity to the fan's ventilation area. During char-
ging, ensure sufficient ventilation for the charge
gases to escape.
CAUTION
The battery still releases gas once charging is
complete
To ensure that all remaining gases can escape
from the battery compartment, the rear cover must
remain open during the charging process and also
during the run-on time of the fan.
Charging
Mains supply for the battery charger
To provide the power supply and start the
charging process, connect the integrated
battery charger to a mains socket (16-
A/400-V CEE socket) via a mains line (helix
cable).
NOTE
A CEE 16-A/400-V helix charging cable is
supplied with the battery charger and is stored
under the rear cover.
DANGER
Improper protection of the mains socket means that
the mains cable is at risk of overheating.
The mains socket must be protected in accordance
with regulations. This applies especially to the use
of extension cords. Observe the notes for correct
protection of mains sockets.
Contact an authorised technician.
DANGER
There is a risk of fatal electric shock from a dama-
ged mains cable.
Only use mains cables in good condition that have
been tested by an authorised technician. The helix
cable must not be extended to a length of more than
2m.
192 Operating Instructions – 3888011701 EN – 12/2017
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