Holding the installation frame secure‐
ly, remove the two fixing screws and
extend the installation frame to its
maximum length.
Replace the screws.
The directional unit from recirculation
kit DUI 32 (optional accessory) is instal‐
led for recirculation mode (RM):
Bend the four retaining tabs on the
installation frame outwards.
Place the power cord inside the in‐
stallation frame.
Fit the directional unit as shown, not‐
ing the marking on the front.
Bend the retaining tabs back and ap‐
prox. 45° inwards to hold the direc‐
tional unit in place.
Installation
39