Spare parts/accessories
7.1 Fan/battery module
Battery
A 3 V lithium battery can be inserted in the fan/battery module. The battery is preassembled
with an approximately 4 cm long cable with plug. The appropriate mating connector is
attached to a small printed circuit board for connection in the fan/battery module.
7.1.2 Fan/battery module assembly
Procedure
Two plastic rails for installing this module are located on the underside of the control unit.
Use the following procedure to install the fan/battery module:
1. If required, insert a battery in the fan/battery module.
2. Hold the fan/battery module at an angle to the front with the open side facing up (battery
visible).
3. Push the plastic guide into the cutouts on the underside of the control unit.
4. Tilt the fan/battery module up until the front latching device snaps into place.
The electrical connection between the fan/battery module and the control unit is made
automatically.
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Figure 7-1 Fan/battery module assembly
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7-2 Manual, 12.2004, 6AU1900-1AJ32-0BA0