White Rodgers 1F87 51 Thermostat User Manual

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1F87-51  
Programmable Electronic Digital Thermostat  
WHITE-RODGERS  
INSTALLATION AND  
OPERATION INSTRUCTIONS  
Operator: Save these instructions for future use!  
FAILURE TO READ AND FOLLOW ALL INSTRUCTIONS CAREFULLY  
BEFORE INSTALLING OR OPERATING THIS CONTROL COULD CAUSE  
PERSONAL INJURY AND/OR PROPERTY DAMAGE.  
DESCRIPTION  
Your new White-Rodgers 7-Day Digital Thermostat uses the  
technology of a solid-state microcomputer to provide precise  
time/temperature control. This thermostat offers you the flexibil-  
ity to design heating and cooling programs that fit your needs.  
• LCD continuously displays set point, and alternately dis-  
plays time and room temperature  
• Temperature override until next program period  
• Manual program override (HOLD temperature)  
• User may select either 12- or 24-hour clock display  
°F/°C convertibility  
Features:  
• Battery powered (3 “AA” Energizer® alkaline batteries in-  
cluded).  
• Temperature range 45° to 90°F  
• Separate program for each day of the week  
• Simultaneous heat and cool program storage  
• Preprogrammed temperature control  
• Standard five terminals for single or two-transformer  
systems  
• B and O terminals for single stage heat pumps or damper  
operation  
• Four separate time/temperature settings per 24-hour  
period  
PRECAUTIONS  
Thisthermostatisintendedforusewithalowvoltagesystem;do  
not use this thermostat with a line voltage system. If in doubt  
about whether your wiring is millivolt, line, or low voltage, have  
itinspectedbyaqualifiedheatingandairconditioningcontractor  
or electrician.  
CAUTION  
!
To prevent electrical shock and/or equipment dam-  
age, disconnect electric power to system at main fuse  
or circuit breaker box until installation is complete.  
Do not exceed the specification ratings.  
WARNING  
!
Allwiringmustconformtolocalandnationalelectricalcodesand  
ordinances.  
Do not use on circuits exceeding specified voltage.  
Higher voltage will damage control and could cause  
shock or fire hazard.  
This control is a precision instrument, and should be handled  
carefully. Roughhandlingordistortingcomponentscouldcause  
the control to malfunction.  
Do not short out terminals on gas valve or primary  
control to test. Short or incorrect wiring will damage  
thermostat and could cause personal injury and/or  
property damage.  
SPECIFICATIONS  
ELECTRICAL DATA  
APPLICATIONS  
Electrical Rating:  
For use with:  
8 to 30 VAC 50/60 Hz. or D.C.  
0.05 to 1.5 Amps (Load per terminal)  
1.5 Amps Maximum Total Load (All terminals combined)  
• Standard heat/cool or heat only systems  
• Electric heat systems  
• Gas or oil fired systems  
• Gas systems with Intermittent Ignition Devices (I.I.D.)  
and/or vent dampers  
• Hydronic (hot water or steam) systems  
• Single-stage heat pump systems  
• Millivolt systems  
THERMAL DATA  
Setpoint Temperature Range:  
45°F to 90°F (7°C to 32°C)  
Operating Ambient Temperature Range:  
32°F to 105°F  
Operating Humidity Range:  
0 to 90% RH (non-condensing)  
Shipping Temperature Range:  
-40°F to 150°F  
DO NOT USE WITH:  
• Multi-stage systems  
• Systems exceeding 30 VAC and 1.5 amps  
• 3-wire zoned hydronic heating systems  
WHITE-RODGERS DIVISION  
EMERSON ELECTRIC CO.  
9797 REAVIS ROAD  
PART NO. 37-5323E  
Printed in U.S.A.  
Replaces 37-5323D  
0004  
ST. LOUIS, MISSOURI 63123-5398  
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INSTALLATION  
REMOVE OLD THERMOSTAT  
1. Shut off electricity at the main fuse box until installation is  
complete. Ensure that electrical power is disconnected.  
2. Remove the front cover of the old thermostat. With wires  
still attached, remove wall plate from the wall. If the old  
thermostathasawallmountingplate,removethethermostat  
and the wall mounting plate as an assembly.  
3. Identifyeachwireattachedtotheoldthermostatusingthe  
labels enclosed with the new thermostat.  
ELECTRIC  
GAS  
4. Disconnect the wires from old thermostat one at a time. DO  
NOT LET WIRES FALL BACK INTO THE WALL.  
5. Install new thermostat using the following procedures.  
Electric/Gas switch  
ELECTRIC HEAT OR SINGLE-STAGE  
HEAT PUMP SYSTEMS  
Figure 1. Back of thermostat base  
Read entire paragraph before setting electric heat switch. If you  
areunsureofyourapplication,contactaqualifiedserviceperson.  
If you have a single-stage heat pump system, OR your system  
uses central electric heat, where the blower is energized by a  
separate circuit through the fan relay (meaning that the fan  
turns on immediately on call for heat), then the switch on the  
back of the thermostat base must be moved to the “ELECTRIC”  
position (see fig 1). If the thermostat is energizing electric heat  
sequencers, the switch MUST remain in the “GAS” position.  
Alkaline batteries (3 "AA"–  
install "+" ends to the left)  
Screw anchors  
If you must move the switch to the “ELECTRIC” position (to the  
left), use a small screwdriver or pencil.  
ATTACH THERMOSTAT BASE TO WALL  
RH  
W
RC  
1. Remove the packing material from the thermostat. Gently  
pull the cover straight off the base. Forcing or prying on the  
thermostatwillcausedamagetotheunit. Ifnecessary, move  
the electric heat switch (see ELECTRIC HEAT SYSTEMS,  
above).  
B
G
Y
O
2. Connect wires beneath terminal screws on base using  
appropriate wiring schematic (see figs. 3 through 10).  
Mounting  
holes  
3. Place base over hole in wall and mark mounting hole  
locations on wall using base as a template.  
4. Move base out of the way. Drill mounting holes.  
Figure 2. Thermostat base  
5. Fasten base loosely to wall, as shown in fig. 2, using two  
mounting screws. Place a level against bottom of base,  
adjust until level, and then tighten screws. (Leveling is for  
appearance only and will not affect thermostat operation.) If  
you are using existing mounting holes, or if holes drilled are  
too large and do not allow you to tighten base snugly, use  
plastic screw anchors to secure subbase.  
6. Push excess wire into wall and plug hole with a fire-resistant  
material(suchasfiberglassinsulation)topreventdraftsfrom  
affecting thermostat operation.  
HYDRONIC (HOT WATER OR STEAM)  
HEATING SYSTEMS  
BATTERY LOCATION  
This thermostat requires 3 “AA” alkaline batteries to operate.  
Batteries are installed in the thermostat at the factory with a  
battery tag to prevent power drainage. You must remove the  
batterytagtoengagethebatteriesandprovidepowertothe  
thermostat.  
This thermostat is set to operate properly if you have a forced-  
air heating system. If you have a hydronic heating system (a  
system that heats with hot water or steam), you must set the  
thermostat to operate properly with your system. While in the  
HEAT mode, change the setting by pressing SET TIME/SET  
TEMP and VIEW PRGM buttons at the same time until the  
correct setting is displayed (A for forced air; H for hydronic  
systems). If there is a loss of battery power, or when you change  
batteries, you must repeat this operation once battery power is  
restored.  
If the word BATTERY is displayed, the batteries are low and  
shouldbereplacedwithfreshAAEnergizer® alkalinebatteries.  
To replace batteries, install the batteries along the top of the  
base(seefig.2).Thebatteriesmustbeinstalledwiththepositive  
(+) ends to the left.  
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JUMPER  
WIRE  
THERMOSTAT  
SYSTEM  
THERMOSTAT  
SYSTEM  
Y
B
O
G
W
RC RH  
Y
B
O
G
W
RC  
RH  
Cooling  
System  
Fan  
Relay  
Heating  
System  
Heating  
System  
NOTE  
Hot  
RED jumper wire (provided  
with thermostat) must be  
connected between thermo-  
stat's RH and RC terminals  
for proper thermostat oper-  
ation with this system.  
24 VAC Transformer  
or  
24 VAC  
120 VAC  
Neutral  
Thermopile  
TRANSFORMER  
Figure 3. Typical wiring diagram for heating only,  
Figure 7. Typical wiring diagram for  
2-wire, single transformer systems or millivolt systems  
heat/cool, 4-wire, single transformer systems  
Thermostat  
NOTE  
THERMOSTAT  
3-wire Series 10  
Primary Control  
(located at furnace)  
Y
B
O
G
W
RC  
RH  
Jumper wire must be  
added between R and B  
terminals on the primary  
control (jumper wire not  
provided with thermostat).  
SYSTEM  
Hot  
R
W
Cooling  
System Relay System  
Fan  
Heating  
24 VAC  
120 VAC  
Neutral  
B
W
HEATING TRANSFORMER  
Hot  
R
24 VAC  
120 VAC  
Neutral  
Furnace  
Add jumper wire  
(not provided with thermostat)  
COOLING TRANSFORMER  
Figure 4. Typical wiring diagram for  
3-wire SERIES 10 heating systems  
Figure 8. Typical wiring diagram for  
heat/cool, 5-wire, two-transformer systems  
JUMPER  
WIRE  
JUMPER  
WIRE  
JUMPER  
WIRE  
THERMOSTAT  
SYSTEM  
Y
B
O
G
W
RC  
RH  
THERMOSTAT  
SYSTEM  
Y
B
O
G
W
RC RH  
NOTE  
Fan  
Relay  
Heating  
System  
RED jumper wire (provided  
with thermostat) must be  
connected between thermo-  
stat's RH and RC terminals  
for proper thermostat oper-  
ation with this system.  
Reversing Compressor Fan  
Valve*  
Contactor Relay  
Hot  
Hot  
24 VAC  
120 VAC  
Neutral  
24 VAC  
120 VAC  
Neutral  
* Reversing valve is energized when the  
system switch is in the COOL position  
TRANSFORMER  
TRANSFORMER  
Figure 9. Typical wiring diagram for  
heat pump with cool active reversing valve  
Figure 5. Typical wiring diagram for  
heat only, 3-wire, single transformer systems  
JUMPER  
WIRE  
JUMPER  
WIRE  
THERMOSTAT  
Y
B
O
G
W
RC  
RH  
THERMOSTAT  
SYSTEM  
SYSTEM  
Y
B
O
G
W
RC RH  
Cooling  
System  
Fan  
Relay  
Reversing Compressor Fan  
Valve*  
Contactor Relay  
Hot  
Hot  
24 VAC  
120 VAC  
24 VAC  
120 VAC  
Neutral  
Neutral  
TRANSFORMER  
* Reversing valve is energized when the  
system switch is in the HEAT position  
TRANSFORMER  
Figure 6. Typical wiring diagram for  
cool only, 3-wire, single transformer systems  
Figure 10. Typical wiring diagram for  
heat pump with heat active reversing valve  
Heating System  
CHECK THERMOSTAT OPERATION  
1. Move SYSTEM switch to HEAT position. If the heating  
If at any time during testing your system does not operate  
properly, contact a qualified serviceperson.  
system has a standing pilot, be sure to light it.  
2. Press  
to adjust thermostat setting above room tempera-  
Fan Operation  
ture. The heating system should begin to operate.  
If your system does not have a G terminal connection, skip to  
Heating System.  
3. Press  
toadjusttemperaturesettingbelowroomtempera-  
ture. The heating system should stop operating.  
1. Turn on power to the system.  
2. Move FAN switch to ON position. The blower should begin  
to operate.  
3. Move FAN switch to AUTO position. The blower should stop  
immediately.  
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1. Move SYSTEM switch to COOL position.  
2. Press to adjust thermostat setting below room tempera-  
ture.Theblowershouldcomeonimmediatelyonhighspeed,  
followed by cold air circulation  
3. Press to adjust temperature setting above room tem-  
perature. The cooling system should stop operating.  
Cooling System  
This thermostat has a built-in short-term (5-minute) time delay.  
This feature is activated after the compressor shuts down and  
the setpoint is changed within the 5-minute period. During this  
5-minute period, COOL will flash on the display indicating that  
the thermostat has locked out the compressor to allow head  
pressure to stabilize. This thermostat does not sense AC power  
loss and therefore does not activate the short term compressor  
protection feature when power is restored.  
CAUTION  
!
Topreventcompressorand/orpropertydamage, ifthe  
outdoor temperature is below 50°F, DO NOT operate  
the cooling system.  
OPERATION  
Before you begin programming your thermostat, you should be  
familiarwithitsfeaturesandwiththedisplayandthelocationand  
operation of the thermostat buttons. Your thermostat consists of  
two parts: the thermostat cover and the base. To remove the  
cover, gently pull it straight out from the base. To replace the  
cover, line up the cover with the base and press gently until the  
cover snaps onto the base.  
1
2
WHITE-RODGERS  
THE THERMOSTAT BASE  
SET TIME VIEW PRGM RUN PRGM HOLD TEMP  
FAN ON  
AUTO  
COOL OFF HEAT  
Other than  
and  
, the following buttons and switches are  
SET TEMP  
ADV DAY  
located behind the door on the bottom of the thermostat cover  
(see fig. 11). Pull the door down to open it.  
The Thermostat Buttons and Switches  
3
4
5
6
7
8
(Red arrow) Raises temperature setting.  
(Blue arrow) Lowers temperature setting.  
SET TIME/SET TEMP button.  
1
2
3
9
10  
9
MO TU WE TH FR  
AM  
SA SU  
HEAT  
11  
COOL  
BATTERY  
HOLD  
VIEW PRGM (program) button.  
4
5
6
7
8
12  
13  
11 14 10  
RUN PRGM (program) button.  
Figure 11. Thermostat display, buttons, and switches  
HOLD TEMPerature/ADVance DAY button.  
FAN switch (ON, AUTO).  
Alternately displays current time and temperature.  
11  
12  
SYSTEM switch (COOL, OFF, HEAT).  
BATTERY is displayed when the 3 “AA” batteries are low  
and should be replaced. Nothing else will be displayed.  
The Display  
Displays currently programmed set temperature (this is  
blank when SYSTEM switch is in the OFF position).  
13  
14  
Indicates day of the week.  
9
HEATisdisplayedwhentheSYSTEMswitchisintheHEAT  
10  
The word HOLD is displayed when the thermostat is in the  
position. COOL is displayed (non-flashing) when the SYS-  
TEM switch is in the COOL position. COOL is displayed  
(flashing) when the compressor is in lockout mode.  
HOLD mode.  
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OPERATING FEATURES  
PROGRAMMING YOUR THERMOSTAT  
Now that you are familiar with the thermostat buttons and Now you are ready to program your thermostat. This section will  
display, read the following information to learn about the many help you plan your thermostat’s program to meet your needs.  
features of the thermostat.  
For maximum comfort and efficiency, keep the following guide-  
lines in mind when planning your program.  
SIMULTANEOUS HEATING/COOLING PROGRAM  
STORAGEWhenprogramming,youcanenterbothyour  
heating and cooling programs at the same time. There is no  
need to reprogram the thermostat at the beginning of each  
season.  
• When heating (cooling) your building, program the tem-  
peratures to be cooler (warmer) when the building is vacant  
or during periods of low activity.  
• During early morning hours, the need for cooling is usually  
minimal.  
TEMPERATURE OVERRIDE — Press  
or  
until the  
Look at the factory preprogrammed times and temperatures  
shown below. If this program will suit your needs, simply press the  
RUN PRGM button to begin running the factory preset program.  
display shows the temperature you want. The thermostat  
will override current programming and keep the room  
temperature at the selected temperature until the next  
program period begins. Then the thermostat will automati-  
cally revert to the program.  
HOLD TEMPERATURE — The thermostat can hold any  
temperaturewithinitsrangeforanindefiniteperiod, without  
reverting to the programmed temperature. Press HOLD  
TEMP/ADV DAY button. HOLD will be displayed. Then  
FACTORY PREPROGRAMMING  
Cooling Program for  
ALL Days of the Week:  
Heating Program for  
ALL days of the Week:  
TEMP  
PERIOD  
TIME  
TEMP  
PERIOD  
1st  
2nd  
3rd  
4th  
TIME  
68°F  
68°F  
68°F  
64°F  
1st  
2nd  
3rd  
4th  
6:00 AM  
8:00 AM  
5:00 PM  
10:00 PM  
6:00 AM  
8:00 AM  
5:00 PM  
10:00 PM  
78°F  
82°F  
78°F  
78°F  
choosethedesiredholdtemperaturebypressing  
or  
.
If you want to change the preprogrammed times and tempera-  
tures, follow these steps.  
The thermostat will hold the room temperature at the  
selected setting until you press RUN PRGM button to start  
program operation again.  
1. Determinetheheatingandcoolingtemperaturesyouwantto  
use. You may select up to four heating temperatures (HEAT  
1, HEAT 2, HEAT 3, and HEAT 4), and up to four cooling  
temperatures (COOL 1, COOL 2, COOL 3, and COOL 4).  
Usethetablebelowtowritedownthetemperaturesyouhave  
selected.  
°F/°C CONVERTIBILITY — Press SET TIME/SET TEMP  
and HOLD TEMP/ADV DAY buttons until the temperature  
display is in Celsius (°C). To display Fahrenheit (°F), repeat  
the process.  
12-HOUR/24-HOUR CLOCK DISPLAY — The clock is set  
to display 12-hour time, which means that the clock will  
display AM and PM time (12:00 AM is midnight; 12:00 PM is  
noon). However, you may want to display a 24-hour clock  
(military-style time). The 24-hour clock display will show 1:00  
PM as 13:00, 2:00 PM as 14:00, and so on. To change to the  
24-hourclockdisplay,pressSETTIME/SETTEMPandRUN  
PRGM buttons at the same time. In the 24-hour clock mode,  
AM and PM are not displayed.  
Heat Temperatures Cool Temperatures  
1
2
3
4
1
2
3
4
Your selected  
temperatures*  
Factory  
pre-programmed  
temperatures*  
68°F 68°F 68°F 64°F 78°F 82°F 78°F 78°F  
LOW BATTERY INDICATOR — If the 3 “AA” alkaline  
batteries are low and should be replaced, the display will be  
blank except for the word BATTERY. When the batteries are  
low, pressing any button will cause the display to operate for  
ten seconds. After ten seconds, the display will be blank  
exceptforthewordBATTERY. Youcannotprogramwithlow  
batteries, but you can override setpoint temperature.  
*
You may only program heating temperatures you have selected into the heating  
program and cooling temperatures into the cooling program (for example, you  
cannot program the COOL 1 temperature into your heating program).  
You may program the temperatures you choose in any order, and you may use the  
same temperature in consecutive program periods (for example, you may program  
period 1 with temperature 1 and periods 2, 3, and 4 with temperature 2).  
You do not have to use all possible temperature choices (for example, you may  
want to select temperatures for HEAT 1 and HEAT 2 only – in this case, the HEAT  
3 and HEAT 4 temperatures would stay the same as previously programmed).  
TEMPERATURE DISPLAY ADJUSTMENT — Your new  
thermostathasbeenaccuratelysetinourfactory.However,  
if you wish, you may adjust your new thermostat tempera-  
ture display to match your old thermostat. This can be  
accomplished (within a ±4° range) as follows:  
2. Determine the time periods during which you will program  
the temperatures you have just selected. You must program  
four periods for each day (periods 1, 2, 3, and 4). However,  
you may use the same heating and cooling temperatures for  
consecutive time periods. Also keep in mind that, for any  
given day, you can only program one set of times for both  
heating and cooling (for example, if you select 5:00 AM to  
begin heating period 1 on Monday, then your cooling period  
1 for Monday will also begin at 5:00 AM). However, you may  
select different time periods for each day separately (for  
example, heating/cooling period 1 on Monday may begin at  
5:00 AM, but heating/cooling period 1 on Saturday may  
beginat9:00AM).Usethetableonthefollowingpagetoplan  
your program time periods, and the temperatures you want  
during each period. You may also want to look at the sample  
program table to get an idea of how the thermostat can be  
programmed.  
1. PressVIEWPRGMandHOLDTEMP/ADVDAYbuttons  
at the same time.  
2. Press  
or  
to adjust the displayed temperature to  
your desired setting.  
3. Press RUN PRGM to resume normal program opera-  
tion.  
• COPY DAY FUNCTION — This feature allows Monday’s  
program to be copied into the rest of the week’s program-  
ming. This feature is only available the first time you  
program your thermostat. To use this feature, simply  
enter the program for Monday as described in PROGRAM-  
MINGYOURTHERMOSTAT, andthenpressRUNPRGM.  
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Heating/Cooling Schedule Plan  
THIS THERMOSTAT ALLOWS ONE SET OF TIMES FOR BOTH HEATING AND COOLING  
Period 1  
Period 2  
Period 3  
Period 4  
Heat  
Cool  
Heat  
Cool  
Heat  
Cool  
Heat  
Cool  
Time  
Temp. Temp.  
Time  
Temp. Temp.  
Time  
Temp. Temp.  
Time  
Temp. Temp.  
Monday  
Tuesday  
Wednesday  
Thursday  
Friday  
Saturday  
Sunday  
HEAT 1 = 65° COOL 1 = 80°  
HEAT 2 = 68° COOL 2 = 78°  
HEAT 3 = 70° COOL 3 = 76°  
HEAT 4 = 72° COOL 4 = 74°  
SAMPLE  
Heating/Cooling Schedule Plan  
THIS THERMOSTAT ALLOWS ONE SET OF TIMES FOR BOTH HEATING AND COOLING  
Period 1  
Period 2  
Period 3  
Period 4  
Heat  
Cool  
Heat  
Cool  
Heat  
Cool  
Heat  
Cool  
Time  
Temp. Temp.  
Time  
Temp. Temp.  
Time  
Temp. Temp.  
Time  
Temp. Temp.  
5:00 AM 65° (1)  
6:00 AM 65° (1)  
5:00 AM 65° (1)  
5:00 AM 65° (1)  
5:00 AM 65° (1)  
8:00 AM 65° (1)  
8:00 AM 70° (3)  
80° (1) 9:00 AM 65° (1)  
80° (1) 8:00 AM 70° (3)  
80° (1) 9:00 AM 70° (3)  
80° (1) 9:00 AM 70° (3)  
80° (1) 9:00 AM 70° (3)  
80° (1) 10:00 AM 70° (3)  
78° (2) 9:00 AM 70° (3)  
80° (1)  
76° (3)  
76° (3)  
76° (3)  
76° (3)  
76° (3)  
76° (3)  
3:30 PM 65° (1)  
4:30 PM 72° (4)  
3:30 PM 72° (4)  
5:30 PM 72° (4)  
3:30 PM 72° (4)  
3:30 PM 72° (4)  
3:30 PM 68° (2)  
80° (1) 11:30 PM 65° (1)  
74° (4) 10:30 PM 65° (1)  
74° (4) 11:30 PM 65° (1)  
74° (4) 11:30 PM 65° (1)  
74° (4) 10:30 PM 65° (1)  
74° (4) 11:30 PM 65° (1)  
80° (1)  
80° (1)  
80° (1)  
80° (1)  
80° (1)  
80° (1)  
80° (1)  
Monday  
Tuesday  
Wednesday  
Thursday  
Friday  
Saturday  
Sunday  
76° (3) 9:30 PM  
65° (1)  
Entering Your Program  
4. Press and hold either  
minutes.  
or  
until you reach the correct  
Follow these steps to enter the heating and cooling programs  
you have selected.  
5. Press SET TIME/SET TEMP once. The display will show the  
day of the week.  
Set Current Time and Day  
6. Press  
or  
until you reach the current day of the week.  
1. Press SET TIME/SET TEMP button once. The display will  
show the hour only.  
7. Press RUN PRGM once. The display will show the correct  
time and room temperature alternately.  
PM  
EXAMPLE:  
Select Heating Temperatures  
1. If you want to change the display from Fahrenheit to Celsius  
(or vice-versa), press SET TIME/SET TEMP and HOLD  
TEMP/ADV DAY at the same time.  
2. Press and hold either  
or  
until you reach the correct  
hour and AM/PM designation (AM begins at midnight; PM  
begins at noon).  
2. Move the SYSTEM switch to HEAT.  
3. Press SET TIME/SET TEMP four times. The display will  
show the number 1, along with the currently programmed  
HEAT 1 temperature.  
3. Press SET TIME/SET TEMP once. The display window will  
show the minutes only.  
HEAT  
EXAMPLE:  
EXAMPLE:  
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8. PressHOLDTEMP/ADVDAYonce.TU(indicatingTuesday’s  
program) will be displayed, along with the start time for the  
1st heating/cooling period and the currently programmed  
heating setpoint temperature.  
4. Press  
or  
tochangethedisplayedtemperaturetoyour  
selected HEAT 1 setting (if you only want to program a  
temperature for HEAT 1, skip to step 8).  
5. Press SET TIME/SET TEMP once. The number 1 will  
change to the number 2, representing HEAT 2.  
9. Repeat steps 3 through 7 to complete Tuesday’s heating  
program.  
10.Continue entering each day’s programming until all heating/  
cooling periods and heating temperatures have been se-  
lected.  
6. Press  
or  
until you reach your selected HEAT 2  
temperature.  
7. Repeat steps 5 and 6 to select HEAT 3 and HEAT 4  
11.Press RUN PRGM to end heating programming. Proceed to  
temperature settings, if desired.  
the SELECT COOLING TEMPERATURES section.  
8. Press RUN PRGM.  
Select Cooling Temperatures  
Enter Heating/Cooling Times and Heating Tem-  
peratures  
1. Move the SYSTEM switch to COOL.  
2. Press SET TIME/SET TEMP four times. The display will  
show the number 1, along with the currently programmed  
COOL 1 temperature.  
1. Move the SYSTEM switch to HEAT.  
2. Press VIEW PRGM once. MO, the abbreviation for Monday,  
will be displayed. Also displayed are the currently pro-  
grammedstarttimeforthe1stheating/coolingperiodandthe  
currently programmed HEAT 1, 2, 3, or 4temperature for the  
1st heating/cooling period (flashing).  
3. Press  
or  
tochangethedisplayedtemperaturetoyour  
selected COOL 1 setting (if you only want to program a  
temperature for COOL 1, skip to step 7).  
MO TU WE TH FR  
4. Press SET TIME/SET TEMP once. The number 1 will  
change to the number 2, representing COOL 2.  
AM  
EXAMPLE:  
5. Press  
or  
until you reach your selected COOL 2  
This example display shows that for the 1st Monday heating/  
cooling period, the start time is 6:00 AM, and 68° is the  
programmed temperature (this example reflects factory pre-  
programming).  
temperature.  
6. Repeat steps 4 and 5 to select COOL 3 and COOL 4  
temperature settings, if desired.  
7. Press RUN PRGM.  
3. If the temperature displayed is not the HEAT 1, 2, 3, or 4  
temperatureyouwantforMonday’speriod1,press  
until the correct temperature is displayed (if you keep press-  
ing or , the HEAT 1, 2, 3, and 4 temperatures you  
or  
Enter Cooling Temperatures  
CAUTION  
!
If the outside temperature is below 50°F, disconnect  
power to the cooling system before programming.  
Energizing the air conditioner compressor during  
cold weather may cause personal injury or property  
damage.  
previously programmed will be alternately displayed).  
4. To change the displayed start time to the time you have  
selected for Monday’s heating/cooling period 1, press SET  
TIME/SET TEMP once (the programmed time will flash).  
Press  
or  
until your selected time is displayed. The  
1. Move SYSTEM switch to COOL position.  
timewillchangein30-minuteincrements. Thetimethatyou  
program will be the start time of Monday’s period 1 for  
bothheatingandcooling.Afterselectingthecorrectperiod  
1 start time, press SET TIME/SET TEMP again to return to  
the change temperature mode.  
2. Press VIEW PRGM once. MO, the abbreviation for Monday,  
will be displayed. Also displayed are the start time you  
previously programmed for the 1st heating/cooling period  
and the currently programmed COOL 1, 2, 3, or 4 tempera-  
tureforthe1stheating/coolingperiod(flashing). Remember  
that the time you previously selected is for both heating  
and cooling periods. If you change a programmed start  
timenow,itwillalsochangethestarttimefortheheating  
program.  
5. Press VIEW PRGM once. The currently programmed start  
timeandheatingsetpointtemperatureforMonday’sheating/  
cooling period 2 will be displayed.  
6. Repeat steps 3 and 4 to select the start time and heating  
temperature for Monday’s 2nd heating/cooling period.  
3. If the temperature displayed is not the COOL 1, 2, 3, or 4  
7. Repeat steps 3 through 5 for Monday’s 3rd and 4th heating/  
cooling period. Monday’s heating program is now complete.  
temperatureyouwantforMonday’speriod1,press  
until the correct temperature is displayed (if you keep press-  
ing or , the COOL 1, 2, 3, and 4 temperatures you  
or  
NOTE  
Ifyouareprogrammingyourthermostatforthefirsttime,andyou  
want programming for all days of the week to be the same as  
Monday’sprogram,pressRUNPRGMatthispoint,andproceed  
to the SELECT COOLING TEMPERATURES section (this  
COPY DAY feature only works the first time you program your  
thermostat;ifyouarechangingyourthermostat’sprogramming,  
you must program each day separately).  
previously programmed will be alternately displayed).  
4. Press VIEW PRGM once. The currently programmed start  
time and cooling setpoint temperature for Monday’s heating/  
cooling period 2 will be displayed.  
5. Repeatstep3toselectthecoolingtemperatureforMonday’s  
2nd heating/cooling period.  
6. Repeat steps 3 and 4 for Monday’s 3rd and 4th heating/  
cooling period. Monday’s cooling program is now complete.  
(Programming instructions continue on next page.)  
7
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CHECK YOUR PROGRAMMING  
NOTE  
Ifyouareprogrammingyourthermostatforthefirsttime,andyou  
want programming for all days of the week to be the same as  
Monday’s program, press RUN PRGM to begin program opera-  
tion (this COPY DAY feature only works the first time you  
program your thermostat; if you are changing your thermostat’s  
programming, you must program each day separately).  
Follow these steps to check your thermostat programming one  
final time before beginning thermostat operation.  
1. Move SYSTEM switch to HEAT position.  
2. Press VIEW PRGM to view the 1st Monday heating period  
time and temperature. Each time you press VIEW PRGM,  
thenextheatingperiodtimeandtemperatureforMondaywill  
be displayed in sequence. Press HOLD/ADV DAY to display  
Tuesday’s 1st heating period program. Press VIEW PRGM  
to check the remaining Tuesday heating period times and  
temperatures. To check each day’s heating program, press  
HOLD TEMP/ADV DAY to change days, then press VIEW  
PRGM to look at each programming period for the day (you  
may change any time or temperature during this procedure;  
remember that if you change the start time, it changes for  
both heating and cooling).  
7. PressHOLDTEMP/ADVDAYonce.TU(indicatingTuesday’s  
program) will be displayed, along with the start time for the  
1st heating/cooling period and the currently programmed  
cooling setpoint temperature.  
8. Repeat steps 3 through 6 to complete Tuesday’s cooling  
program.  
9. Continue entering each day’s programming until all cooling  
temperatures have been selected.  
10.Press RUN PRGM to end programming and begin program  
operation.  
3. Press RUN PRGM.  
4. Move SYSTEM switch to COOL position.  
5. Repeat step 2 to check cooling temperatures.  
6. Press RUN PRGM to begin program operation.  
YOUR THERMOSTAT IS NOW COMPLETELY PRO-  
GRAMMED AND READY TO AUTOMATICALLY PROVIDE  
MAXIMUM COMFORT AND EFFICIENCY!  

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