Lennox ComfortSense 8500 Installation And Setup Manual page 5

• Non-heated or non-cooled areas such as an
outside wall behind the sensor.
4. Use the following steps:
a. Determine location using best practices.
b. Use the provided wall plate as a template
to determine location cutout for wiring and
location for wall anchors.
NOTE: The use of the provided wall plate is
optional.
Use a level to align wall plate horizontally
Wall Anchor Locations
c. Cut or drill a small hole approximately 3/4"
x 3/3" for wiring.
d. Pull about 3 inches of all wiring through
opening and remove outer communication
wire jacket.
e. Trim 1/4" insulation from end of each wire.
f. Drill 3/16" holes at marked locations on wall
for wall anchors.
g. Route CS8500 and outdoor temperature
sensor (optional) wiring from wall through
center openings on wall plate (use is
optional) and back plate.
Cutout location
for thermostat
wiring
NOTE: Remember to seal the hole in the wall with
5
Run thermostat wire
through openings
h. Secure back plate and wall plate (optional)
to wall with the two provided mounting
screws.
Screw
a suitable material to prevent drafts from
entering the zone sensor case. Not doing
so could affect the internal temperature
and humidity sensors.
Wall Plate (optional)
Thermostat
Back Plate
Wall Plate (optional)
Thermostat
Back Plate