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THERMOSTAT OPERATION
1
Set Time and Day
Touch here to change the time and day of the
week.
Sleeping
Airflow %
Living
Day
Tu
AM
MENU
MODE
CHANGE THE HOUR
Touch the
UP/DOWN keys to
change the HOUR.
Touch NEXT.
AM
NEXT
ENTER
CHANGE THE MINUTE
Touch the
UP/DOWN keys to
change the MINUTE.
Touch NEXT.
AM
NEXT
ENTER
CHANGE THE DAY OF THE WEEK
Touch the
UP/DOWN keys to
change the DAY OF
THE WEEK.
We
AM
Touch ENTER.
ENTER
Depending on the mode, setting the time
may reset the setpoint temperature to the
factory default heating or cooling setpoint.
2
Set System Mode
Touch the SYSTEM key to display the SYSTEM
MODES: OFF, HEAT, COOL, AUTO, EHEAT or
ECOOL. In AUTO or OFF, the setpoint for the last
system call is displayed.
OFF
Sleeping
Heating and cooling
Heat
Airflow %
systems are off.
Set To
Schedule
OFF
Living
Living
Day
Tu
SYSTEM
AM
AUTO
MENU
MODE
FAN
HEAT
Sleeping
Only heating calls are
Heat
Airflow %
enabled and heating
Set To
Schedule
Living
setpoint is displayed.
HEAT
Living
Day
Tu
"HEAT" will blink in
SYSTEM
AM
an active heating call.
AUTO
MENU
MODE
FAN
COOL
Sleeping
Only cooling calls are
Cool
Airflow %
Set To
enabled and cooling
Schedule
Living
setpoint is displayed.
Living
Day
COOL
Tu
"COOL" will blink in
SYSTEM
AM
an active cooling call.
AUTO
MENU
MODE
FAN
AUTO
Sleeping
Heating or Cooling
Heat
Airflow %
calls are enabled.
Set To
Schedule
Living
"HEAT" will blink in
Living
Day
AUTO
Tu
an active heating call
SYSTEM
AM
or "COOL" will blink
AUTO
in an active cooling
MENU
MODE
FAN
call.
HOMEOWNER SECTION
2
Set System Mode (Continued)
Sleeping
Airflow %
Schedule
Living
Cool
Set To
Day
Tu
Schedule
Living
COOL
AM
SYSTEM
MENU
MODE
AUTO
FAN
ECOOL will only be displayed if a whole
house fan or economizer has been installed.
Some installations require a window to be
open before operating in the ECOOL mode.
Check with your installer.
Sleeping
Airflow %
Schedule
Living
Day
Tu
AM
MENU
MODE
3
Set Fan Mode
Touch the
FAN
AUTO, ON or VENT.
Sleeping
Airflow %
Schedule
Living
Day
Tu
AM
MENU
MODE
Sleeping
Airflow %
Schedule
Living
Day
Tu
AM
MENU
MODE
VENT mode must be enabled in the installer options.
Sleeping
Airflow %
Schedule
Living
Day
Tu
AM
MENU
MODE
4
Set Thermostat Mode
Touch the
MODE
MODES: HOLD, VACANT and SCHEDULE.
Sleeping
Airflow %
Hold
Living
Day
Tu
AM
MENU
MODE
Sleeping
Airflow %
Living
Day
Tu
AM
MENU
MODE
Sleeping
Airflow %
Schedule
Living
Day
Tu
AM
MENU
MODE
EHEAT
Emergency Heating
Heat
for heat pumps.
Set To
"EHEAT" will blink in
EHEAT
Living
an active heating call.
SYSTEM
Only displayed if heat
AUTO
pump equipment.
FAN
ECOOL
Econo Cooling brings
Cool
Set To
in cooler outdoor air
when a whole house
E
Living
COOL
fan or economizer is
SYSTEM
installed. "ECOOL"
AUTO
will blink in an active
FAN
call.
key to change the FAN MODES -
AUTO
Fan is activated only
Cool
Set To
during heating or
cooling calls. This is
Living
COOL
the most commonly
SYSTEM
used setting.
AUTO
FAN
ON
Fan is continuously
Cool
Set To
on.
Living
COOL
SYSTEM
ON
FAN
VENT
The fan will be
Cool
Set To
activated for 15
minutes if no cooling
Living
COOL
or heating calls have
SYSTEM
occurred in the last
VENT
120 minutes.
FAN
key to display the THERMOSTAT
HOLD MODE
Setpoint temperatures
Cool
Set To
are set by the user.
No schedule is used.
Living
COOL
SYSTEM
AUTO
FAN
VACANT MODE
Setpoint temperatures
Cool
Set To
are kept at the vacant
Vacant
temperatures set by
Living
COOL
the installer.
SYSTEM
AUTO
FAN
SCHEDULE MODE
Setpoint temperatures
Cool
Set To
are changed at
scheduled times
Living
COOL
defined by the user.
SYSTEM
AUTO
FAN
page 4 of 16
Changing the Setpoint Temperature
5
or RH% Setpoint
The UP/DOWN keys are used to change the
setpoint temperature.
Touch here to display
Sleeping
the Cooling setpoint,
Airflow %
Cool
Set To
Heating setpoint and
Schedule
Living
Living
the Humidity setpoint
COOL
Day
Tu
SYSTEM
(only displayed if
AM
AUTO
Humidity options
MENU
MODE
FAN
have been set by the
installer).
Touch the UP or DOWN key to raise or lower the
Cooling setpoint, Heating setpoint or Humidity
setpoint.
The thermostat will return to displaying the active
setpoint temperature after about 30 seconds.
6
Temperature Override
To override the Schedule setpoint temperature:
Touch the UP/DOWN
Sleeping
keys to adjust the
Airflow %
Cool
Set To
setpoint temperature.
Schedule
Living
Living
COOL
Day
After 3 hours, the
Tu
SYSTEM
thermostat returns to
AM
AUTO
the Schedule
MENU
MODE
FAN
temperature.
7
Displaying the Living, Sleeping or
Outdoor Temperature or Indoor RH%
The thermostat displays the temperature in the
downstairs living area and is indicated by Living.
The thermostat also displays the Sleeping area
temperature, the Outdoor temperature (if sensor is
installed) and the humidity in the living area.
Living area temperature
Sleeping
is displayed.
Airflow %
Cool
Set To
Schedule
Living
Press this area to
Day
COOL
Living
We
display the upstairs
SYSTEM
AM
AUTO
Sleeping area
MENU
MODE
FAN
temperature.
The Sleeping area
Sleeping
temperature is displayed.
Airflow %
Cool
Set To
Press the area again
Schedule
Living
to display the Outdoor
Day
COOL
We
Sleeping
SYSTEM
temperature.
AM
AUTO
MENU
MODE
FAN
The outdoor temp will only be displayed if an
outdoor temperature sensor is installed.
The Outdoor temperature
Sleeping
is displayed. Press the
Airflow %
Cool
Set To
area again to display
Schedule
Living
COOL
Day
the Humidity (RH%).
We
SYSTEM
Outdoor
AM
AUTO
MENU
MODE
FAN
The indoor Humidity
Sleeping
(RH%) is displayed.
Airflow %
Cool
Set To
Press again to display
Schedule
Living
COOL
Day
the Living area
We
SYSTEM
temperature.
AM
RH%
AUTO
MENU
MODE
FAN
P/N 780101708 2/18 Rev A
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