4
UnPaCking Zone sensor anD Determining Best
loCation
This procedure is for either new or relocating a zone
sensor installations.
1. Unpack the zone sensor.
2. Select a location for the zone sensor about 5
feet (1.5 meters) above the oor in an area with
good air circulation at average temperature.
3. Do not install the zone sensor where it can be
affected by:
• Drafts or dead spots behind doors and in
corners
• Building entrances or automatic doors
• Heat generating equipment such as kitchen
appliances
• Hot or cold air from ducts
• Radiant heat from sun or appliances
• Concealed pipes and chimneys
• Non-heated (non-cooled) areas such as an
outside wall behind the zone sensor
installing Zone sensor
IMPORTANT
Installation uses 18 gauge thermostat wire with
a wire run length NOT TO EXCEED 197 feet (60
meters) between damper control module and any
one zone sensor.
Do not run wiring next to high voltage or high
voltage ballast.
Load from any zone sensor connection is 1 AMP
or less.
1. Run thermostat wiring from iHarmony damper
control module to location where zone sensor
will be installed.
2. Drill or make opening through wall for thermostat
wiring 3/4” x 3/4” (19mm x 19mm).
3. Pull about 3 inches (76mm) of thermostat
wire through the opening and removed outer
thermostat wire jacket. This will help in routing
the thermostat wiring to the proper zone sensor
terminals.
4. 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.
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