Installation Instructions

32
46900V001_Rev-D_EN
7. Removing and fastening covers
7.2 Cover of the ceiling control unit
Observe in particular the following safety instructions for
this chapter.
DANGER
Danger due to electric current!
Contact with live parts may result
in electric current owing through
the body. Electric shock, burns or death
will result.
► All work on electrical components
may only be carried out by a trained
electrician.
► Disconnect the mains plug before
working on the operator.
► If an accumulator is connected,
disconnect it from the control unit.
► Check that the operator is not live.
► Secure the operator against being
switched back on.
WARNING
Danger due to hot surfaces!
After frequent operation parts of the
motor carriage or the control unit may
become hot. If the cover is removed and
hot parts are touched, they may cause
burns.
► Allow the operator to cool down before
removing the cover.
Unscrewing cover
< 1100 mm
Fig. 1
1. Disconnect the operator from the mains voltage.
Check that the operator is disconnected from the
power supply.
Fig. 2
NOTE
If there is an accumulator in the cover of
the ceiling control unit, remove the cover
carefully. The accumulator is loose in the
cover.
Disconnect the accumulator plug from the
circuit board.
2. Unscrew and remove the cover from the ceiling
control unit.
Fig. 3
3. If an accumulator is used, unscrew the cover
carefully.
Disconnect the accumulator from the circuit board.
Remove the cover with the disconnected
accumulator, see Chapter "11.11 Installing and
removing the accumulator".
Installing the cover
1. After working on the ceiling control unit replace the
cover in reverse order.
2. Connect the operator to the mains voltage.
Check that the power supply is connected.
⇒ The operator is supplied with mains voltage.