Install Zone Sensor To Backplate; Setup Guide; Apply Power And Set Zone Numbers - Lennox iHarmony Zone Thermostat Installation And Setup Manual

18AWG Unshielded Thermostat Wire
PWR
22AWG Shielded Thermostat Wire
D+
22AWG Shielded Thermostat Wire
D-
18AWG Unshielded Thermostat Wire
C
Figure 2. Connecting Zone Sensor to Damper
Control Module

Install Zone Sensor to Backplate

The zone sensor assembly simply snaps onto the
back plate. Once secure to the back plate apply
power to the system. The zone sensor should boot
up and go into the commissioning process.
If power is applied and the zone sensor screen
remains off, inspect and verify all wire connections.
PWR
D+
NOT USED
D-
C
PWR
D+
D-
C
PWR
D+
D-
C
PWR
D+
D-
C
DAMPER CONTROL
MODULE (DCM)
Figure 3. Installing Zone Sensor

Setup Guide

CAUTION
When replacing a failed zone sensor, remember to
set the new zone sensor to the same address as
the one being replaced. Also, If an existing zone
sensor has failed and being replaced by a zone
sensor relocated from another zone in the home,
remember to set relocated zone sensor's address
to match the one that has failed. Not doing so
could contribute to incorrect zone operations and
possible equipment

Apply Power and Set Zone Numbers

After power is applied to the zone sensor for the
first time it will display the Lennox
and then the zone number selection screen. Set the
7
damage.
"splash screen"
®