Dometic BRISK AIR 579 SERIES Installation Instructions Manual page 11

9. AIR BOX INSTALLATION
A. Remove return air grille from air box by pulling in on half-
round finger catches.
B. Hold air box up to ceiling template and install three (3)
#0 x 3/8" (C) screws at air box mounting point.
C. Snap hole plug (E) into place at rear of air box.
D. Install four (4) wood screws (B) which hold the air box
tight to ceiling, if desired.
E. Reinstall return air grille and filter into air box.
F. The air conditioner installation is now complete. Turn on
power to the unit for operational check. Please read Unit
Operating Instructions before proceeding.
Note: There are four optional mounting holes on the outer
edge of the return air opening for which screws are provided.
These are only required where an uneven ceiling does not
allow proper fitting of the air box.
FIg. 16
Two Zone Configuration
INSTALLATION INSTRUCTIONS
FIg. 15