User Manual

6 7
OPERATION
Press [MODE] to select:
EM HEAT: (only for heat pumps with auxiliary heat)
Thermostat controls auxiliary heat. Heat pump will not
operate in EM HEAT mode.
HEAT: Thermostat controls only the heating system.
OFF: Heating and cooling systems are off.
COOL: Thermostat controls only the cooling system.
AUTO:
automatically selects heating or cooling depending on
the indoor temperature.
Press [DONE] to save and exit, Or [CANCEL] to exit
without saving. The thermostat will save and exit if
nothing is pressed within 10 seconds.
Press
or 

more information.)
SELECT SYSTEM MODE (EM HEAT/HEAT/OFF/COOL/AUTO)
CHANGE TEMPERATURE SET POINT SELECT FAN SETTING (ON/AUTO/CIRC)
Press [FAN] to select:
ON: Fan runs continuously. Use this mode for maximum
air circulation/filtering.
AUTO: Fan runs only when the heating or cooling
system is on.
CIRC:

of energy savings and air circulation/cleaning.
Press [DONE] to save and exit, Or [CANCEL] to exit
without saving. The thermostat will save and exit if
nothing is pressed within 10 seconds.
OPERATION
When the fan mode is changed during a program event
it remains in that mode until the next event starts. The

run continuously through all events.
WI-FI SETUP & REMOTE ACCESS
For detailed instructions for connecting the thermostat to a Wi-Fi network and registering it to an Aprilaire account,
my.aprilaire.com
