8
OPERATING YOUR THERMOSTAT
Choose the Fan Setting (Auto or On or Prog)
Fan
Auto is the most commonly selected setting and runs the
fan only when the heating or cooling system is on .
Fan
On selection runs the fan continuously for increased air
circulation or to allow additional air cleaning .
Fan
Prog will run the fan when the heating or cooling system
is on . In addition, when the thermostat has not called for heat
or cool for more than 60 minutes, it will begin to cycle the fan
for 10 minutes on and 20 minutes off to improve indoor air
quality . This is the Comfort Circulating Fan Feature .
Choose the System Setting
(Cool, Off, Heat, Emer, Auto)
Press the SYSTEM button to select:
Heat: Thermostat controls only the heating system .
Off: Heating and Cooling systems are off .
Cool: Thermostat controls only the cooling system .
Auto: Auto Changeover is used in areas where both heating
and cooling may be required on the same day .
AUTO allows
the thermostat to automatically select heating or cooling
depending on the indoor temperature and the selected heat
and cool temperatures . When using
AUTO, be sure to set the
Cooling temperatures more than 1° Fahrenheit higher than
the heating temperature .
Emer: Thermostat controls only Aux heat .
Manual Operation for
Non-Programmable Mode
Press the SYSTEM button to select Heat or Cool and use
the
or buttons to adjust the temperature to your
desired setting . After selecting your desired settings you can
also press the SYSTEM button to select
AUTO to allow
the thermostat to automatically change between Heat and
Cool .
Manual Operation (Bypassing the Program)
Programmable Mode
Press
or
and the HOLD button and adjust the tempera-
ture wherever you like . This will override the program . The
HOLD feature bypasses the program and allows you to adjust
the temperature manually, as needed . Whatever temperature
you set in
HOLD will be maintained 24 hours a day, until you
manually change the temperature or press
Run Schedule to
cancel
HOLD and resume the programmed schedule .
Program Override (Temporary Override)
Press
or
buttons to adjust the temperature . This will
override the temperature setting for a (default) four hour over-
ride period . The override period can be shortened by pressing
or lengthened by pressing . Program Override period
can range from 15 minutes to 7 days .
Example: If you turn up the heat during the morning program,
it will be automatically lowered later, when the temporary hold
period ends . To cancel the temporary setting at any time and
return to the program, press
Run Schedule .
If the SYSTEM button is pressed to select
AUTO the
thermostat will change to Heat or Cool, whichever ran last . If
it switches to heat but you want cool, or it changes to cool but
you want heat, press both
or
buttons simultaneously to
change to the other mode .
IMPORTANT!
PROGRAMMING
Set Current Time and Day
1) Press Menu key to enter installer menu . Then press
Set Time once to indicate hour & A or P designation in
clock display .
2) Press and hold either the or touch key until you
reach the correct hour and A or P designation .
3) Press Set Time again to display minutes only in clock
display .
4) Press and hold either the or touch keys until you
reach the correct minutes .
5) Press Set Time once again to display year .
6) Press and hold either the or touch key until you
reach the correct year .
7) Press Set Time once again to display month .
8) Press and hold either the or touch key until you
reach the correct month .
9) Press Set Time once again to display date of the month
along with day of the week at top row (which is auto-
matic) .
10) Press and hold either the or touch key until you
reach the correct day of the month and day of the week
is automatically calculated and displayed at the top row .
11) Press Run Schedule once; now the display will show the
correct time and room temperature .
Automatic Daylight Saving Calculation
The Real Time Clock will adjust automatically for daylight sav-
ings time, in the following manner:
Increment one hour at 2 AM on the second Sunday of March
and decrement one hour at 2 AM on the first Sunday of No-
vember . (New DST effective 2007) .
The daylight saving feature can be enabled or disabled in
installer configuration menu . Default is
dS On (enabled) .
After entering installer configuration mode, momentarily
press
or
touch key until the display indicates
dS (in
actual temperature digits) and
On (default – in clock digits) .
and keys will toggle display and operation from On to
OFF .
