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Before you begin programming your thermostat, you should be
familiar with its features and with the display and the location
and operation of the thermostat buttons. Your thermostat consists
of two parts: the thermostat cover and the base. To remove the
cover, pull it straight out from the base. To replace the cover,
line up the cover with the base and press until the cover snaps
onto the base.
The Thermostat Buttons and Switches
1
Raises temperature setting.
2
Lowers temperature setting.
3
TIME button.
4
PRGM (program) button.
5
RUN (run program) button.
6
HOLD temperature button.
7
FAN switch (ON, AUTO).
8
SYSTEM switch (COOL, OFF, HEAT).
The Display
9
Indicates day of the week.
10
Flame icon ( ) is displayed when the SYSTEM switch
is in the HEAT position. Snowfl ake icon (
)is displayed
(non-fl ashing) when the SYSTEM switch is in the COOL
position. Snowfl ake is displayed (fl ashing) if the thermostat
is in lockout mode to prevent the compressor from cycling
too quickly.
11
Displays “BATT” when the 2 “AA” batteries are low and
should be replaced. Only “BATT” and “LO” in the minutes
fi eld are displayed when batteries are low with no system
power.
12
Alternately displays current time and temperature. Displays
“LO” in the minutes fi eld when batteries are low.
13
The word “HOLD” is displayed when the thermostat is in
the HOLD mode. “HOLD” is displayed fl ashing when the
thermostat is in a temporary HOLD Mode.
14
Displays currently programmed set temperature (this is
blank when SYSTEM switch is in the OFF position).
15
Displays “FLTR” when the system has run for the pro-
grammed fi lter time period as a reminder to change or clean
your air fi lter.
CONFIGURATION MENU
The confi guration menu allows you to set certain thermostat
operating characteristics to your system or personal require-
ments.
Press RUN to make sure the thermostat is in the run program
mode, then press PRGM and RUN at the same time to enter
the confi guration menu. The display will show the fi rst item in
the confi guration menu.
The confi guration menu table summarizes the confi guration
options. An explanation of each option follows.
OPERATION
Press HOLD to change to the next menu item or press TIME
to go backwards to the previous item in the menu. To exit the
menu and return to the program operation, press RUN. If no keys
are pressed within fi fteen minutes, the thermostat will revert to
normal operation.
1) Select Temporary Hold Time - The thermostat can hold any
temperature you set it to for the amount of time you select on
this option. Your choices are 0:00 to 8:00 hours in 15 minute
increments. 0:00 disables the function
Example:
1. You have selected 3:00 hours for the Temporary Hold
time period.
2. With the thermostat set to Heat or Cool, press HOLD
for approximately fi ve seconds until HOLD time (3:00
indicating 3 hours) appears as a setting reminder.
3. After releasing the button, “HOLD” on the display will
blink.
4. Use
or to set the temperature to your preference.
The thermostat will maintain this temperature setting
for 3 hours with “HOLD” blinking to remind you it is in
Temporary Hold. After 3 hours the thermostat will go
back to the program temperature and “HOLD” will no
longer blink or display.
2) Select FA or SL (Fast or Slow) Heating Cycle Rate - The
FA setting is frequently used for gas, oil or electric heat. The
SL setting produces a longer heating cycle which is normally
for hot water or steam (hydronic) systems. Both settings
produce very accurate temperature control and can be set
to your personal preference. FA cycles the system just under
1°F and the SL setting cycles at approximately 1.5°F.
3) Select backlit display - The display backlight improves
display contrast in low lighting conditions. Selecting backlight
ON will keep the light on for a short period of time after any
key is pressed. Selecting OFF will keep the light off.