Fig. 24: Wiring diagram
Connection plan: photocell:
English / Page 60
8. Connection and Initial Operation of the Accessories
Connection of a further photocell
Turn as well the second programming switch S20a (37), which is on control
circuit board, to OFF position.
The second photocell is connected to aerial socket X20a (26). In case there is
already an aerial unit connected to this socket, then an adapter (coupling for
plug system, 3-pin, Art.-No. 562 856) and a flat cable (Art.-No. 562 759) have
to be connected according to above wiring diagram.
Operational check:
• Travel the door to CLOSE direction.
• Interrupt the photocell's light beam.
- The door must stop and then open again fully
-> If this is not the case, check position of coding switches S20 / S20a.