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Thermostat Front Panel Buttons —
stat has buttons on the front cover which are used to raise or
lower the desired set point and override the current program.
See Fig. 2.
SET POINT BUTTONS — The UP ARROW and DOWN
ARROW buttons will raise or lower the current desired tem-
perature set point. If the thermostat is in AUTO mode, pressing
the UP ARROW or DOWN ARROW buttons will adjust both
the heating and cooling set points. Pressing the UP ARROW or
DOWN ARROW buttons in Cooling mode will adjust only the
cooling set points. Pressing the UP ARROW or DOWN
ARROW buttons in Heating mode will adjust only the heating
set points. The UP ARROW and DOWN ARROW buttons are
also used in Programming mode.
OVERRIDE BUTTON — The Override button is used to
force the thermostat from Unoccupied mode into the Occupied
1 mode comfort settings. The Override period will be set at
30 minutes. The thermostat will then return to Unoccupied
mode. To increase the amount of time in Override mode, press
the Override button again. Thirty minutes of override time will
be added for each time the Override button is pressed up to a
maximum of 4 hours. After the 4-hour limit has been reached,
press the Override button again to cancel Override mode.
While in Override mode, the Override icon and the Occu-
pied 1 icon will be displayed on the thermostat. The time of
day and the minutes remaining in Override mode will alternate
on the thermostat display.
The set points are adjustable with the UP ARROW and
DOWN ARROW keys during Override mode.
NOTE: If the thermostat is in Occupied mode and the Override
button is pressed, the thermostat will go into Unoccupied mode
immediately. The thermostat will remain in Unoccupied mode
until the next Occupied start time.
Thermostat Programming Buttons —
mostat has programming buttons which are used to change the
set points of the thermostat, set the modes, and program sched-
ules. The programming buttons are accessible from underneath
the thermostat cover. To access the programming buttons, pull
on the hinged thermostat cover. See Fig. 3. The programming
buttons are: Mode, Fan, Holiday, Program, and Set Clock.
The UP ARROW and DOWN ARROW buttons are used to
scroll through programming set points. The buttons are also
used to answer yes or no.
KEYPAD LOCK — The thermostat has a keypad lockout fea-
ture which will not acknowledge front panel buttons until the
lockout sequence is entered. To disable or lock the keypad,
press and hold the Mode button. While holding down the Mode
button, press the UP and DOWN ARROW buttons simulta-
neously. The ''Locked''' icon will appear on the display.
The thermostat is unlocked by performing the same proce-
dure. Press and hold the Mode button. While holding down the
Mode button, press the Up and Down Arrow buttons simulta-
neously. The ''Locked'' icon will be removed from the display.
FAN BUTTON OPERATION — The Fan button selects fan
operation. When the fan is set to FAN ON, the fan will run con-
tinuously for improved air circulation.
NOTE: When the thermostat is in Unoccupied mode, the fan
will run only during heating or cooling operation, even if the
fan is set to FAN ON; this is the energy-saving smart fan fea-
ture.
When the fan is not set to FAN ON (no icon displayed on
thermostat screen), the fan will run during heating and cooling
operation only.
MODE BUTTON OPERATION — The Mode button se-
lects the operating mode of the thermostat. If OFF is selected,
the thermostat will not enter Heating or Cooling mode. If
HEAT is selected, the thermostat will only enter Heating mode
The thermo-
Fig. 3 — Thermostat Programming Buttons
(if the room temperature is below the heating set point). If
COOL is selected, the thermostat will only enter Cooling mode
The
ther-
(if the room temperature is above the cooling set point). If
AUTO is selected, the thermostat will enter Heating or Cooling
mode based on the room temperature and the heating and cool-
ing set points. If PROGRAM ON is selected, the stored sched-
ule is enabled and the thermostat will follow the Occupied and
Unoccupied schedules stored in its memory.
Auto-Changeover — When the thermostat mode is set to
AUTO, the thermostat will provide automatic changeover from
Heating to Cooling mode and Cooling to Heating mode when
required. The thermostat will automatically switch to maintain
the desired temperature setting. The thermostat does not need
to be manually changed from heating to cooling or cooling to
heating operation.
HOLIDAY MODE — The Holiday button places the thermo-
stat into Holiday mode. During Holiday mode, the unoccupied
set points are enforced. The number of days the thermostat will
be in Holiday mode can be set.
Set Clock —
change the time and day displayed on the thermostat. Press the
Set Clock button to enter Set Time mode. See Fig. 4. The
current time will blink on and off. Press the UP ARROW and
DOWN ARROW buttons until the correct time is shown. Hold
down the buttons to quickly move through the time display.
The AM and PM annunciators will automatically change. To
scroll through by hours only, press and hold down the Fan
button while pressing the UP or DOWN ARROW buttons. To
ensure the schedules are properly followed, make sure that AM
or PM is correct for the time chosen. When the correct time is
shown, press the Mode/Next button to modify the day of the
week. The current day will blink on and off. Press the UP
ARROW and DOWN ARROW buttons until the correct day is
shown. Press the Set Clock button again to exit the Set Time
mode.
2
Fig. 2 — Thermostat Front Panel Buttons
The Set Clock button allows the user to
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