19
NOTE: When vent control lever set at CLOSE, only the air inside the room is circulated and filtered.
When set at OPEN, some outdoor air will be drawn into room. This will reduce heating or cooling
efficiency.
- Lift unit level and slide unit into wall sleeve until firmly against front of wall sleeve and secure with 4
screws and washers (supplied in the SLEEVE ASSEMBLY) through the unit flange holes.
(See Fig.7 and Fig.8)