Honeywell T7512A User Manual page 13

You can change the system setting by pressing
the System key. Each time you press the key,
the system status changes to the next setting.
The status of the system is as follows when the
associated indicator is displayed:
HEAT: The thermostat will control your
heating system according to the schedule
you programmed (heat pump in heating
mode).
EM. HEAT: The thermostat will disable the
heat pump and control the emergency
heater element according to the schedule
you programmed.
COOL: The thermostat will control your air
conditioning system according to the
schedule you programmed (heat pump in
cooling mode).
No status: Both the heating and air condition-
ing systems are off (heat pump off)
displayed.
Fan Control
There are two fan settings: AUTO and ON.
Set the fan at the setting you want by pressing the
Fan key. Each time you press the key, the fan
status changes to the next setting.
When FAN is displayed, the fan is on continu-
ously. Use this setting for improved air circulation
during special occasions or for more efficient
electronic air cleaning.
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