Lennox iHarmony 17A30 User Manual

6
10. Secure back plate and wall plate (optional) to
wall with the two provided mounting screws.
Wall Plate (optional)
Zone Sensor Back Plate
Screw
Zone sensor terminal information
Table 2. Terminal Designations
PWR D+ D- C
Terminal Purpose
PWR Zone sensor power 12VDC input.
D+ Zone sensor data high.
D- Zone sensor data low.
C Zone sensor 12VDC return.
See “Figure 2. Connecting Zone Sensor to Damper Control Module”
on page 7.
ConneCting Zone sensor Wiring
Use “Table 2. Terminal Designations” on page
6for connecting the thermostat wiring to the
back plate terminals.
Figure 1. Backplate
NOTE: Remember to seal the hole in the wall with
a suitable material to prevent drafts from
entering the zone sensor case. Not doing
so could affect the zone sensor’s internal
temperature and humidity sensors.

Lennox iHarmony 17A30 Specifications

General

Brand	Lennox
Model	iHarmony 17A30
Category	Thermostat
Language	English