18
18-HD82D1-1B-EN
XR724 INSTALLER’S GUIDE
MERCURY NOTICE
When this Comfort Control is replacing an old thermostat that contains mercury in a sealed tube, do not dispose
of your old thermostat in the trash. Dispose of properly. Contact your local waste management authority for
instructions regarding recycling and proper disposal of the old thermostat.
A listing of heating, ventilating and air conditioning wholesalers that participate in the Thermostat Recycling
Corporation’s recycling program are available at www.thermostat-recyle.org.
INSTALLATION AND WIRING
Temperature Sensing Considerations
The XR724 Control is designed for installation in climate controlled living spaces. It is recommended to place
the unit in central locations with good circulation. Avoid exterior walls and areas near windows, doors, vents or
concealed pipes
or chimneys.
PHYSICAL LOCATION
Placement
of the XR724
Ceiling Fan
dissipation
from the XR724
Touch Screen
Onboard
Thermistor
5 FEET
Optimum
Zone
2 FEET
Placement
of the 950
Placement
of the
XR724
Heat from the XR724 screen may be
trapped within the body of the XR724
control by an external top-down airflow
source, such as a ceiling fan.
The onboard thermistor may
be biased by this heat
causing the displayed indoor
temperature to be elevated.
P
M
Fan
C
ooli
ng
Menu
Sche
d
Mode
Hold
Cool
Auto
F
: