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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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.
3
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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.
4
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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
STORAGE—Whenprogramming,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.
5
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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:
6
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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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