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Large Lighted LiquidLarge Lighted Liquid
Large Lighted Liquid
Crystal Display (LCD).Crystal Display (LCD).
Crystal Display (LCD).Crystal Display (LCD).
Crystal Display (LCD).
The large numbers and letters on
your LCD screen make it easy to
see. In low light conditions, press
the button on top of the thermostat
and the display will light up for
three seconds. For ten minutes after
pressing the light button, pressing
any other button will light the
display for ten seconds. The display
light uses power from the 3 “AA”
alkaline batteries installed. Exces-
sive use of the display light will
reduce battery life.
The thermostat display alternately
shows the current time and the
current temperature on the left side.
The display also shows the
temperature you have programmed
or set on the right side of your
screen.
Setpoint RangeSetpoint Range
Setpoint RangeSetpoint Range
Setpoint Range
45-99°F (7-37°C).45-99°F (7-37°C).
45-99°F (7-37°C).45-99°F (7-37°C).
45-99°F (7-37°C).
You may set your thermostat to any
temperature from 45° to 99°F. If you
prefer, you may configure the
thermostat to display Celsius. This
is covered in the CONFIGURA-
TION section (page 25, step 9).
Selectable EnergySelectable Energy
Selectable EnergySelectable Energy
Selectable Energy
Management Recovery (EMR).Management Recovery (EMR).
Management Recovery (EMR).Management Recovery (EMR).
Management Recovery (EMR).
EMR causes the thermostat to start
operating the system early in order
to make the building temperature
reach your program setpoint at the
time you specify. In heating, the
thermostat will start 5 minutes early
for every 1°F difference between the
room temperature and the next
programmed temperature. In
cooling, the thermostat uses 15
minutes per °F.
EXAMPLE: If the temperature in
the room is 65°F and the thermostat
is programmed for 70°F at 7 AM,
the thermostat will start approxi-
mately 25 minutes early. The
difference between the room
temperature (65°F) and the setpoint
(70°F) is 5°. 5° X 5 minutes per °F
= 25 minutes. The setpoint on the
display will actually change to
display 70° about 25 minutes early.
The maximum time the thermostat
can start early in heating is 75
minutes. The maximum time the
thermostat can start early in cooling