INSTALLATION MANUAL
11
4.2 Installing DNC return air panel
A. Carefully remove the entire return air panel from the packing.
B. Dismantle the filter access panel by pressing the two buttons in a circular motion and
releasing the hanging wires (see Fig. 9).
C. Connect the frame to the unit using four screws and washers. After lowering the ceiling,
the return air panel can be straightened according to ceiling lines or walls by releasing
screws, moving frame and tightening the screws.
D. Insert the access panel into the frame and lock it by pressing.
Mounting the frame without the panel
Removing
the
panel
from
the
frame
1. Frame
2. Panel
3. Buttons
4. Hanging wires
5. Screws and washers
Fig. 9. Installing return air panel
DNC MENU
