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Used to initiate or review thermostat program-
ming.
Used to select heating and cooling tempera-
tures to be programmed.
Used to manually override programming to
hold at a selected temperature (when HOLD is
displayed). Also used to copy one day's
programming into another (when COPY is
displayed).
Used to start program operation after pro-
gramming. Also used to return thermostat to
program operation after being in HOLD mode.
(Red arrow) Raises temperature setting (99°F
or 37°C maximum).
(Blue arrow) Lowers temperature setting (40°F
or 4°C minimum).
The red indicator light glows whenever heat-
ing, cooling, or fan are in operation.
The Thermostat Buttons
Sets the system mode (HEATing, OFF,
COOLing, or AUTOmatic changeover).
Selects fan operation (see #6, above). This
button is also used to program the fan to run
continuously during a program period.
Runs display forward or backward through
time, day, or anticipation settings during pro-
gramming.
Used with the
TIME
FWD
and
TIME
BACK
buttons to set
current time and day of the week.
Used during programming to set the day of the
week to be programmed. Also used in con-
junction with the
SET
CLOCK
button to enter antici-
pation setting mode.
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