1. Cut out area of template indicated by the
two red shaded circles if using a hole saw.
2. Place template on the return path of the
HVAC system and trace the hole pattern for
the unit and mark centers for mounting
screws. Unit must be oriented so long
dimension is parallel to the direction of
the air ow. Please note the airow
direction marked on the unit.
3. Cut opening for the unit.
4. Install unit into air duct so that airow
matches direction indicated on side of unit
using the four self tapping sheet metal
screws provided.