Install Instructions For Lennox Wall Switch Thermostat: H8864
Instructional Documents
Instructional Notes
Installation Instructions:
1. Remove face from backing wall plate; this is done by sliding the face up about 1/2" then pull the face off the base plate.
2. Locate the holders for the 3V button cell batteries.
3. Slide the button cell batteries into the battery holders. Make sure that the batteries are installed with the (+) plus side facing you or up.
4. Reinstall the face to the backing plate; this is done by sliding the face in and down about 1/2" then check that the (2) male terminal connectors on the face are engaged in the female terminal connectors on the backing plate.