Pro1 T721 Operation manual - Manual (Page 3)

THERMOSTAT OPERATION
3
Caution:
When the battery icon
appears replace your AA
batteries immediately. Failure
to do so may result in your
heating & cooling system
becoming inoperable.
Easy to use controls
LCD Display:
See page 2 for details about this
display read out. 1
2
3
4
5
Glow in the Dark Light Button:
The glow in the dark light button will
self illuminate for several hours after
exposure to ambient light. This button
turns on the display light when pressed.
Temperature Setpoint Buttons:
Press the or buttons to
select the desired room temperature.
6 User Buttons:
Use these buttons to set the time.
Refer to the next page for instructions.
Fan Switch:
Select
ON or AUTO. ON will run
the fan continuously. AUTO will cycle
the fan on only when the heating or
cooling system is on.
System Switch:
Selects the operation mode of your
HVAC system. Selecting
HEAT turns
on the heat mode. Selecting COOL
turns on the air conditioning mode.
Selecting
OFF turns both heating
and cooling off. Selecting EmH locks
out your compressor and turns on
the secondary heat mode.
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