11
4. Install front and rear doors.
5. Place lter in return air vent grille. It may already
be installed on some units. See (FIG. 22).
FIG. 22
Filter
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. 23).
FIG. 23
Slot In ADB
Return Air
Vent Grille
INSTALLATION INSTRUCTIONS
7. Install the control knobs into the ADB. See
(FIG. 24).
FIG. 24
Knob
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.
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