21
8. With your other hand, engage and thread the outer ring into the adapter until it is seated flush with the surface of the drywall.
9. Using the self-adhesive foam sealing tape provided with the adapter, form a gasket with the tape on the surface of the outer
ring. This will provide a seal between the wall adapter and the CA 70 unit.
Converting the CA 70 unit from side indoor air supply/exhaust to rear indoor air supply/exhaust
1. Remove the upper canopy by pulling it out of the guides in an upward direction and set aside.
2. Remove the two screws at the bottom of the unit that secure the lower canopy to the wall bracket, as shown below.
It is vital that an ESD armband be worn during work on the electrical system, in order to protect the control board
from electrostatic effects!
3. Lift the lower canopy slightly, and carefully disconnect the ribbon cable on the inner side of the canopy from the board of the
internal control panel, by gripping the red plug.
4. Set the lower canopy with the control panel intact, aside.
5. Slide the EPP body of the unit out of the metal wall bracket to expose the left (exhaust) and right (supply) duct connections.
