Dometic B3300 Installation & Operating Instructions Manual page 10

INSTALLATION INSTRUCTIONS
2. Install two (2) (supplied) sheet metal screws in-
side return air opening to secure ADB to ceiling
template. See (FIG. 17).
3. Install eight (8) (supplied) wood screws inside
the front, rear, and side doors to secure ADB to
ceiling. See (FIG. 17).
FIG. 17
2 Sheet
Metal Screws
8 Wood Screws
4. Install front and rear doors.
5. Place filter in return air vent grill. It may already
be installed on some units. See (FIG. 18).
FIG. 18
Return Air
Vent Grille
6. Install return air vent grille into the ADB. Slide re-
turn air vent grille tab into slot in ADB and rotate
up and snap in place. See (FIG. 19).
Filter
10
FIG. 19
Return Air
Vent Grille
7. Install the control knobs in the ADB. See
(FIG. 20).
FIG. 20
8. The unit installation is now complete and is
ready for operation. The power supply to the unit
may now be turned on.
9. Verify that all features of the installed system
work. Please read the following operating in-
structions before attempting to run the unit.
Slot In ADB
Knob