■ Attaching the external control unit to a mounting plate or wall
1. Attach the mounting screws in the wall.
2. Lift the control unit onto the screws and tighten the screws.
■ Attaching the external control unit vertically on a DIN rail
1. Attach the latch (A) to the back of the control unit with three screws.
2. Click the control unit to the rail as shown below (B).
Electrical installation 107