OPERATION GUIDE
1F97-71
7-Day Programmable Electronic
Digital Thermostat
WHITE-RODGERS
Operator: Save this booklet for future use!
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In This Guide . . .
YOUR NEW THERMOSTAT'S
ENTERING YOUR PROGRAM
Set Current Time and Day
FEATURES................................................ 4
OPERATING YOUR THERMOSTAT ............. 5
PARTS OF THE THERMOSTAT
The Back Of the Thermostat Body
The Display
Select Heating and Cooling Temperatures
Program Heating/Cooling Times and
Heating Temperatures
Program Cooling Temperatures
Using the HOLD/COPY Button
The Thermostat Buttons
OPERATING FEATURES
PROGRAMMING YOUR
CHECK YOUR PROGRAMMING
QUESTIONS AND ANSWERS ..................... 33
THERMOSTAT ........................................ 18
PLANNING FOR YOUR NEEDS
Operator: Save this
booklet for future use!
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3
YOUR NEW THERMOSTAT’S FEATURES
• Seven independent day programming
• Adjustable cycle times
• Simultaneous heat and cool program storage
• Four separate time/temperature settings per
24-hour period
• Computed Energy Management Recovery
(EMR)
• Compressor short cycle protection
• Programmable blower control
• Blower delay in the cooling cycle
• Audio and visual prompting during operation
• Two hour temperature override
• Automatic changeover (operator-selectable)
• Armchair programming capability
• Manual program override (HOLD tempera-
ture)
• Backlit LCD displays continuous set point,
time, and room temperature
• °F/°C convertibility
• Keypad lockout (operator-selectable)
• Temperature range 40° to 99°F
• Compatible with Remote Sensor (installer-
selectable)
• 1.5volt"AA"Energizer® alkalinebatterybackup
• Preprogrammed temperature control
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4
OPERATING YOUR THERMOSTAT
Before you begin programming your thermostat, The subbase is attached to the wall, but you can
youshouldbefamiliarwithitsfeaturesandwiththe remove the thermostat body for easy program-
display and the location and operation of the ther- ming. To remove the thermostat body from the
mostat buttons. The information in this section will subbase, grasp the thermostat body and gently
helpyoubecomefamiliarwithyournewthermostat pull it straight out from the subbase. To attach the
so that you can easily program it.
thermostat body, line up the three terminal pins on
the lower section of the thermostat back with the
Yourthermostatconsistsoftwoparts: thethermo- matching connector on the subbase. Insert these,
stat body and the subbase.
thengentlypivotthethermostatbodyuptoconnect
the six pin connectors on the upper portion of the
thermostat back. Gently push until the snap con-
nectors engage. DO NOT FORCE OR PRY THE
THERMOSTAT, as this may damage the unit.
CAUTION
!
Remove power from the system at the
circuit breaker/fuse box before removing
or attaching the thermostat body. Equip-
ment damage and/or personal injury could
occur.
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5
If the word BATTERY is flashing in the display
window, the batteries are low and should be
replaced with fresh "AA" Energizer® alkaline
batteries.
PARTS OF THE THERMOSTAT
The Back of The Thermostat Body
Turn the thermostat body over. On the back are
the 3 "AA" Energizer® alkaline batteries and the
two option switch groups (A and B).
CAUTION
!
Before removing thermostat from the wall
to replace the batteries, remove 24vAC
power from the thermostat at the breaker/
fuse box.
1. The"AA"Energizer® alkalinebatteriesprovide
power to the thermostat when the 24vAC
power is interrupted (for example, when you
remove the thermostat from the wall for pro-
gramming). Fresh batteries will maintain the
stored program for approximately a year. If
power loss is long enough for the program to
be lost, the thermostat will automatically re-
turn to the factory programmed temperatures
(64°F heating and 82°F cooling) when power
is restored. You must reprogram the thermo-
stat if this happens.
2. You may adjust the option switches for EMR,
keypadlockout,andautomaticchangeoverfrom
heat to cool (see OPERATING FEATURES).
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6
Other than
and
, the buttons are lo-
cated behind the thermostat door. To open the
door, use your fingernail in the indentation at the
top of the door to pull it out from the top, then swing
it down on its hinges.
Batteries
6-pin Connector
On the following pages there are brief descriptions
of the display and the thermostat buttons.
(Group A)
(Group B)
Option Switches
3-pin Connector
BACK OF THERMOSTAT BODY
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7
5
6
The word BATTERY flashes on the display
when the "AA" alkaline batteries are weak and
should be replaced. The word BATTERY is
displayed continuously (non-flashing) when
thermostat is running on battery power only.
The Display
1
2
Continuously displays system mode (HEAT,
OFF, COOL, AUTO, HOLD). During pro-
gramming, the day of the week is displayed
(MON, TUE, WED, etc.).
FAN ON is displayed when the blower is
operating continuously. FAN AUTO is dis-
played during automatic fan operation (when
the blower cycles with the heating or cooling
system).
Alternately displays room temperature (F de-
notes degrees Fahrenheit and C denotes de-
grees Celsius) and time of day (A denotes AM
time and P denotes PM time).
3
4
Displays the setpoint temperature.
In VIEW TEMP mode, A, B, C, and D are the
1st, 2nd, 3rd, and 4th heating or cooling tem-
peratures available for programming.
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8
FAN AUTO
WHITE-RODGERS
DIGITAL COMFORT SET II
TIME
FWD
SET
CLOCK
VIEW
PRGM
HOLD
COPY
SYSTEM
SWITCH
HEAT-OFF-COOL-AUTO
FAN
SWITCH
TIME
BACK
ADV
DAY
VIEW
TEMP
RUN
PRGM
ON-AUTO
1
2
3
3
A
FAN AUTO
B
FAN ON
BATTERY
6
4
4
2
5
6
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9
12
Used to initiate or review thermostat program-
ming.
The Thermostat Buttons
Sets the system mode (HEATing, OFF,
COOLing, or AUTOmatic changeover).
7
8
13 Used to select heating and cooling tempera-
tures to be programmed.
Selects fan operation (see #6, above). This
button is also used to program the fan to run
continuously during a program period.
14
15
Used to manually override programming to
holdataselectedtemperature(whenHOLDis
displayed). Also used to copy one day's
programming into another (when COPY is
displayed).
9
Runs display forward or backward through
time, day, or anticipation settings during pro-
gramming.
Used to start program operation after pro-
gramming. Also used to return thermostat to
programoperationafterbeingin HOLDmode.
TIME
FWD
TIME
BACK
10
11
Used with
and
to set current time
and day of the week.
(Red arrow) Raises temperature setting (99°F
or 37°C maximum).
16
17
18
Usedduringprogrammingtosetthedayofthe
week to be programmed. Also used in con-
(Bluearrow)Lowerstemperaturesetting(40°F
or 4°C minimum).
SET
junction with the
button to enter antici-
CLOCK
pation setting mode.
The red indicator light glows whenever heat-
ing, cooling, or fan are in operation.
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10
17 16
18
FAN AUTO
WHITE-RODGERS
DIGITAL COMFORT SET II
TIME
FWD
SET
CLOCK
VIEW
PRGM
HOLD
COPY
SYSTEM
SWITCH
7
8
HEAT-OFF-COOL-AUTO
FAN
SWITCH
TIME
BACK
ADV
DAY
VIEW
TEMP
RUN
PRGM
ON-AUTO
10
11 12
14 15
13
9
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The thermostat will automatically activate the
heating system at 5:00 AM, so that the pro-
grammed 70°F temperature is reached by
about 6:00 AM.
OPERATING FEATURES
Now that you are familiar with the thermostat
display and buttons, read the following information
to learn about the many features of the thermostat.
This feature is controlled by Group B option
switch #3. To enable the EMR function, first
you must move option switch #3 (located on
the back of the thermostat body) to the OFF
position, if it has not already been done. To do
this, turn off 24v AC power to the thermostat.
Then remove the thermostat body from the
wall. Check the position of switch #3 (the last
switch on the right). If it is OFF (down), simply
put the thermostat back on the wall and re-
store 24v AC power. If the switch is ON (up),
remove the battery, then use a pencil or small
screwdriver to move the switch to the OFF
position (see figure below). Leave the battery
out of the thermostat for at least two minutes,
to allow the thermostat to reset itself. See
• COMPUTED ENERGY MANAGEMENT RE-
COVERY (EMR) — The thermostat’s micro-
computercanbesettoautomaticallycalculate
the time it will take to change the temperature
to the next program setting. Then the thermo-
stat will activate the heating or cooling system
to change the temperature so that the desired
temperature is reached at the beginning of the
next program period. As an example of this
feature, assume that you have programmed
your thermostat to provide an overnight heat-
ing temperature of 62°F, and that during the
next program period, beginning at 6:00 AM,
you have programmed a temperature of 70°F.
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AUTOMATIC CHANGEOVER to determine
proper positions of Group B option switches
#1 and #2.
switch #1 to the ON position and switch #2 to
theOFFposition. Turnoff24vACpowertothe
thermostat. Thenremovethethermostatbody
from the wall. Check the position of Group B
optionswitches#1and#2(thefirsttwoswitches
on the left). If they are in the correct positions,
simply put the thermostat back on the wall and
restore 24v AC power. If the switches are not
correctly positioned, remove the battery, then
use a pencil or small screwdriver to move the
switchestothecorrectpositions(seefigureon
next page). Leave the battery out of the
thermostat for at least two minutes, to allow
the thermostat to reset itself. Replace the
battery, reprogram the thermostat, if neces-
sary, put the thermostat back on the wall, and
restore 24v AC power. To set the thermostat
for automatic changeover after programming,
EMR Switch Positions
ON
Group B
Option
Switches
1
2
3
Switch #1 (see AUTOMATIC CHANGEOVER)
Switch #2 (see AUTOMATIC CHANGEOVER)
Switch #3 OFF
• AUTOMATIC CHANGEOVER — If you have
a heating/cooling system, you can set the
thermostat to automatically switch the system
from heating to cooling as needed. (If you
have a heating only system, Group B option
switch #1 should be OFF and option switch #2
should be ON.) To enable automatic
SYSTEM
press
to set the thermostat to AUTO
SWITCH
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13
79
78
77
(the setpoint temperature display is blank in
the AUTO mode). The system will now auto-
matically switch between heating and cooling,
depending on the actual room temperature.
COOLING TEMPERATURES
76 DEAD BAND 1°F
75
74
73
HEATING TEMPERATURES
Auto Changeover Switch Positions
• TWOHOURTEMPERATUREOVERRIDE—
Press
or
until the display shows
ON
Group B
thetemperatureyouwant. Thethermostatwill
override current programming and keep the
roomtemperatureattheselectedtemperature
for two hours. After two hours, the thermostat
will automatically revert to the program.
Option
Switches
1
2
3
Switch #1 ON
Switch #2 OFF
Switch #3 (see Energy Management Recovery)
• HOLD TEMPERATURE — The thermostat
can hold any temperature within its range for
an indefinite period, without reverting to the
HOLD
NOTE
In the AUTO mode, the thermostat will not allow
the temperature separation between the highest
heat setting and the lowest cool setting to be less
than 1°F. For example, if the highest heat setting
is 75°F, the lowest cool setting cannot be below
77°F (see diagram at right).
program. Press
played. Then choose the desired hold tem-
perature by pressing or . The
thermostat will hold the room temperature at
. HOLD will be dis-
COPY
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14
RUN
PRGM
CAUTION
the selected setting until you press
to
!
start program operation again. This feature is
ideal for energy conservation when the build-
ing is unoccupied for an extended period of
time.
A cooling anticipation setting of less than
10 may cause decreased compressor life.
SET
To adjust heat anticipation, press
and
CLOCK
TIME
• °F/°C CONVERTIBILITY — Press
and
FWD
ADV
DAY
at the same time. The display will show
TIME
at the same time until the temperature
BACK
HEAT 5 (this is the factory preprogrammed
heating anticipation setting). You may select
any anticipation setting from 4 to 40 (note
that for hydronic systems, a minimum an-
ticipation setting of 15 is recommended).
Whenever adjusting anticipation, increase or
decrease the displayed number by only one
or two digits, then let the system run for a
while to see if the adjustment is sufficient. If
displayisin°C(Celsius). Todisplay°F,repeat
the process.
• ADJUSTABLE HEATING AND COOLING
CYCLE TIMES (ANTICIPATION) — If the
heating/cooling system is turning on and off
too often (short cycles) or not often enough
(long cycles), you may want to adjust the
anticipation setting.
TIME
FWD
the heat cycles are too short, press
to
increase the cycle time. If the heat cycles are
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15
beepingwillstopfor15hours,thenstartagain.
You may again stop the beeping by pressing
any button on the keypad. After turning the
beep off three times, the thermostat will quit
beeping. However,youshouldalwayschange
the batteries as soon as possible to ensure
that programming will not be lost in the event
of a power outage. You should also change
the batteries at least once a year.
TIME
BACK
too long, press
to decrease the cycle
SET
CLOCK
time. Tosetcoolinganticipation,press
ADV
and
at the same time again. The display
DAY
will show COOL 14 (factory preprogrammed
TIME
FWD
TIME
BACK
cooling anticipation). Use the
and
RUN
PRGM
buttons to adjust anticipation. Press
return to your program.
to
CAUTION
!
Fresh batteries must always be installed
for millivolt systems. The heating system
willnotoperateifbatteriesarenotinstalled
or if battery power is low.
• LOW BATTERY INDICATOR — The three
"AA" alkaline batteries will maintain thermo-
stat programming for approximately one year
if power to the thermostat fails. The word
BATTERY will flash on the display if the "AA"
alkaline batteries are low and should be re-
placed. The thermostat will also make a
beeping sound every five minutes when bat-
teries need replacing. To override the beep-
ing, press any button on the keypad. The
The word BATTERY will be displayed continu-
ously (non-flashing) when 24v AC power is not
being supplied to the thermostat and the ther-
mostat is operating on battery power only.
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• AUDIO PROMPTING — Each time you press
a button, the thermostat will beep.
a) Return of power after a power outage.
SYSTEM
SWITCH
• BACKLIT DISPLAY — When you press any
button on the thermostat, the display is lit for
approximately eight seconds.
• SYSTEM INDICATOR LIGHT — The red light
on the upper right part of the thermostat indi-
cates system operation (see PARTS OF THE
THERMOSTAT).
b) Pressing
to change operating
modes.
c) Pressing
, creating a call for COOL
too soon after a previous call.
• TOTALKEYPADLOCKOUT—WhenGroup
A option switch #1 is in the total keypad
lockout position (ON), programs cannot be
altered and all buttons are disabled.
NOTE
On systems with Taco zone valves, the indicator
light will flash during the heating cycle.
NOTE
• COMPRESSOR SHORT CYCLE PROTEC-
TION — To protect your compressor from
potential damage due to rapid cycling, this
thermostat has a built-in delay of 5 minutes
between cooling cycles. The following may
cause a time delay in COOL:
Programming should be completed and batteries
should be installed before changing Group A
option switches #1 or #2.
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To enable total keypad lockout, move Group
A option switch #1 to ON (see figure above).
To disable total keypad lockout, move option
switch #1 to OFF.
Total Keypad Lockout Switch Positions
ON
Group A
Option
Switches
1
2
Switch #1 ON
Switch #2 OFF
PROGRAMMING YOUR THERMOSTAT
Now you are ready to program your thermostat.
This section will help you plan your thermostat's
program to meet your needs.
• When heating (cooling) your building, pro-
gram the temperatures to be cooler (warmer)
when the building is vacant or during periods
of low activity.
For maximum comfort and efficiency, keep the
following guidelines in mind when planning your
program.
• During early morning hours, the need for cool-
ing is usually minimal.
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3a. What time do the building occupants reach a
minimum activity level (limited personnel in
building)?
b. What temperature should the building be at
this time? These will be your EVE (evening)
temperature settings.
PLANNING FOR YOUR NEEDS
First, answer the following questions to help you
decide what your needs are. If you are using the
thermostat for a commercial application (a store,
officebuilding,etc.),answerquestions1through4.
If you are using the thermostat in your home, 4a. What time does the building become vacant?
answer questions 5 through 8.
b. What temperature should the building be at
this time? These will be your NHT (night)
temperature settings.
FOR COMMERCIAL APPLICATIONS:
1a. What time does the first person arrive at the
building in the morning?
IN YOUR HOME:
b. What temperature should the building be at
this time? (heating? cooling?) These will be
your MOR (morning) temperature settings.
2a. What time do the building occupants reach a
maximum activity level (using lights, equip-
ment, meeting rooms, etc.)?
5a. What time does the first person get up in the
morning?
b. What temperature should the house be at this
time? These will be your MOR (morning)
temperature settings.
6a. What time does the last person leave the
house in the morning?
b. What temperature should the building be at
this time? These will be your DAY tempera-
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ture settings.
19
b. What temperature should the house be at this
time? These will be your DAY temperature
settings.
7a. What time does the first person arrive home in
the evening?
Cooling Program for
Heating Program for
ALL Days of the Week:
ALL days of the Week:
TEMP
PERIOD
TIME
TEMP
PERIOD
TIME
70
70
70
64
1
2
3
4
5:00 AM
9:00 AM
4:00 PM
10:00 PM
1
2
3
4
5:00 AM
9:00 AM
4:00 PM
10:00 PM
78
82
78
78
b. What temperature should the house be at this
time? These will be your EVE (evening)
temperature settings.
8a. What time does the last person go to bed at
night?
b. What temperature should the house be at this
time? ThesewillbeyourNHT(night)tempera-
ture settings.
and temperatures, follow these steps.
1. Determine the heating and cooling tempera-
turesyouwanttouse. Youmayselectuptofour
heatingtemperatures(HEATA,HEATB,HEAT
C, and HEAT D), and up to four cooling tem-
peratures (COOL A, COOL B, COOL C, and
COOL D). Use the table on the following page
to write down the temperatures you have se-
lected.
Now look at the factory preprogrammed times and
temperatures shown at right. If this program will
RUN
NOTE
suit your needs, simply press
ning the factory preset program.
If you want to change the preprogrammed times
to begin run-
PRGM
TooperateproperlyintheAUTOmode,theremust
be a minimum 1°F separation between the high-
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20
Your
Selected
Temperatures*
Factory
Preprogrammed
Temperature
est heat temperature and the lowest cool tempera-
ture (see diagram below).
Temperature
Designation
79
78
77
HEAT A
HEAT B
HEAT C
HEAT D
70
70
70
64
COOLING TEMPERATURES
76 DEAD BAND 1°F
75
74
73
HEATING TEMPERATURES
COOL A
COOL B
COOL C
COOL D
78
82
78
78
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 choose
*
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 A
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 B and periods 2, 3,
and 4 with temperature A). You do not have to use all possible
temperature choices (for example, you may want to select
temperatures for HEAT A and HEAT B only – in this case, the
HEAT C and HEAT D temperatures would stay the same as
previously programmed).
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21
different time periods for each day separately alkaline batteries must be installed to perform off-
(forexample,heating/coolingperiod1onMon- wallprogramming. BESURESYSTEMSWITCHIS
daymaybeginat5:00AM, butheating/cooling SET TO OFF POSITION BEFORE REATTACH-
period 1 on Saturday may begin at 9:00 AM). ING THERMOSTAT TO SUBBASE!
Use the following table to plan your program
NOTE
time periods, and the temperatures you want
duringeachperiod. Youmayalsowanttolook
at the sample program table to get an idea of You cannot program the thermostat with the SYS-
how the thermostat can be programmed.
TEM SWITCH in the AUTO position.
Set Current Time and Day
ENTERING YOUR PROGRAM
SET
CLOCK
Follow these steps to enter the heating/cooling
program you have selected.
1. Press
once. The display will show
minutes only.
EXAMPLE:
NOTE
TIME
FWD
TIME
BACK
2. Press and hold either
or
until you
We recommend that you remove the thermostat
from the wall for programming (especially for enter-
ing cooling programming). Fresh "AA" Energizer®
reach the correct minutes.
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22
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
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23
Joe's Restaurant
Closed Mondays
Open Tues. – Sat. 10:30 AM to 10:00 PM
Open Sunday 6:30 AM to 2:00 PM
HEAT A = 65° COOL A = 80°
HEAT B = 68° COOL B = 78°
HEAT C = 70° COOL C = 76°
HEAT D = 72° COOL D = 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.
Monday
Tuesday
5:00 AM 65° (A) 80° (A) 9:00 AM 65° (A) 80° (A) 3:30 PM 65° (A) 80° (A) 11:30 PM 65° (A) 80° (A)
5:00 AM 65° (A) 80° (A) 9:00 AM 70° (C) 76° (C) 3:30 PM 72° (D) 74° (D) 11:30 PM 65° (A) 80° (A)
Wednesday 5:00 AM 65° (A) 80° (A) 9:00 AM 70° (C) 76° (C) 3:30 PM 72° (D) 74° (D) 11:30 PM 65° (A) 80° (A)
Thursday
Friday
5:00 AM 65° (A) 80° (A) 9:00 AM 70° (C) 76° (C) 3:30 PM 72° (D) 74° (D) 11:30 PM 65° (A) 80° (A)
5:00 AM 65° (A) 80° (A) 9:00 AM 70° (C) 76° (C) 3:30 PM 72° (D) 74° (D) 11:30 PM 65° (A) 80° (A)
5:00 AM 65° (A) 80° (A) 9:00 AM 70° (C) 76° (C) 3:30 PM 72° (D) 74° (D) 11:30 PM 65° (A) 80° (A)
Saturday
Sunday
5:00 AM 70° (C) 78° (B) 9:00 AM 70° (C) 76° (C) 3:30 PM 68° (B) 76° (C) 11:30 PM 65° (A) 80° (A)
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24
Select Heating and Cooling Temperatures
SET
CLOCK
3. Press
once. The display window will
show the hour only.
EXAMPLE:
During programming, if you don’t press any but-
tons for 5 minutes, the thermostat will enter the
HOLDmodeandwillmaintainaconstanttempera-
ture. The display will revert to the alternating time/
temperature display. To resume programming
VIEW
TIME
FWD
TIME
BACK
4. Press and hold either
or
until you
reach the correct hour and AM/PM designa-
tion (AM begins at midnight; PM begins at
noon).
after this happens, press
until you are at the
PRGM
point where you stopped programming. Then you
may continue to enter your programs normally. If
you want to stop programming at any time, simply
RUN
SET
5. Press
once. The display will show the
CLOCK
day of the week as an abbreviation (MON for
Monday, TUE for Tuesday, etc.).
press
to resume program operation.
PRGM
TIME
FWD
TIME
BACK
6. Press and hold either
or
until you
SYSTEM
SWITCH
1. Press
2. Press
until HEAT is displayed.
reach the current day of the week.
RUN
PRGM
VIEW
TEMP
7. Press
once. The display will show the
once. The display will continue to
correcttimeandroomtemperaturealternately.
show HEAT. Below HEAT is the letter A,
representing the first programmed heating
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25
temperature (HEAT A). At the right of the
display is the currently programmed HEAT A
setting.
VIEW
TEMP
9. Press
once. The display will show
COOL and A, representing the first pro-
grammed cooling temperature (COOL A).
3. Press either
or
to change the
10. Press either
or
to change the
temperature to your selected HEAT A setting
(if you only want to program a temperature for
HEAT A, skip to step 7.)
temperature to your selected COOL A setting
(if you only want to program a temperature for
COOL A, skip to step 13).
VIEW
4. Press
once. The letter A will change to
TEMP
VIEW
11. Press
once. Press
or
to set
TEMP
the letter B, representing HEAT B.
your selected COOL B setting (if you only
want to program temperatures for COOL A
and COOL B, skip to step 13).
5. Press either
or
to change the
temperaturetoyourselectedHEATBsetting(if
you only want to program temperatures for
HEAT A and HEAT B, skip to step 7).
12. Repeat step 11 to select COOL C and COOL
D temperature settings, if desired.
6. Repeat steps 4 and 5 to select HEAT C and
HEAT D temperature settings, if desired.
RUN
PRGM
13. Press
.
RUN
PRGM
7. Press
.
SYSTEM
SWITCH
8. Press
26
until COOL is displayed.
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increments. The time that you program will
be the start time of Monday's period 1 for
both heating and cooling programs.
Program Heating/Cooling Times and
Heating Temperatures
4. If the temperature displayed is not the HEAT
A, B, C, or D temperature you want for
SYSTEM
SWITCH
1. Press
2. Press
until HEAT is displayed.
VIEW
PRGM
Monday's period 1, press
you continue to press
or
(if
, the
once. MON, the abbreviation for
or
Monday, and the number 1, representing the
first heating/cooling period, will be displayed.
Also displayed are the currently programmed
start time for heating/cooling period 1 and the
currently programmed HEAT A, B, C, or D
temperature for heating/cooling period 1.
display will alternately display the HEAT A, B,
C, or D temperatures you have already pro-
grammed).
5. If you want the fan to run continuously during
FAN
SWITCH
this time period, press
until PRG
EXAMPLE:
FAN appears in the display (if you skip this
step, the fan will cycle automatically with the
heating/cooling system).
3. To change the displayed start time to your
selected start time for Monday's period 1,
6. After selecting the desired heating tempera-
TIME
FWD
TIME
BACK
press
or
until your selected time
ture for Monday's heating/cooling period 1,
VIEW
PRGM
appears. The time will change in 15-minute
press
. The currently programmed start
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27
time and heating temperature for Monday's
period 2 will be displayed.
7. Repeat steps 3 through 5 to select the start
time, heating temperature, and fan operation
for Monday's heating/cooling period 2.
HOLD
COPY
the
button to copy any day's program into
any other day (see USING THE HOLD/COPY
BUTTON).
9. To enter Tuesday's through Sunday's heating
8. Repeat steps 3 through 7 for Monday's heat-
ing/cooling periods 3 and 4.
HOLD
programs, use the
button as described
COPY
ADV
DAY
below, or press
until the correct day's
The thermostat has a built-in COPY feature. This
feature automatically copies the heating and
cooling programs you select for Monday into
Tuesday's through Sunday's programs. If you
want to have the same programming every day,
after you program Monday's schedule, you simply
RUN
abbreviationappearsinthedisplayandrepeat
the above steps to program each day's heat-
ing/coolingperiodsandheatingtemperatures.
10. When you have completed programming your
heating/cooling periods and heating tempera-
RUN
press
to start the thermostat's programmed
PRGM
tures, press
.
PRGM
operation. Every day will then use the same
program you set for Monday. You may also use
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28
1. Toprogramcoolingtemperaturesfortheheat-
ing/coolingperiodsyouhavealreadyset,press
Program Cooling Temperatures
CAUTION
!
SYSTEM
until COOL is displayed.
SWITCH
If outside temperature is below 50°F, we
recommend that you remove the thermo-
stat from the wall before proceeding with
the following steps to program cooling
temperatures. Personalinjuryand/orprop-
erty damage could result from air condi-
tioner compressor slugging. Fresh "AA"
alkaline batteries (such as Energizer®
brand) must be installed to perform off-
wall programming. Programming away
from the wall should prevent accidental
compressor operation. BE SURE TO
VIEW
PRGM
2. Press
once. The Monday heating/cool-
ingperiod1starttimeyouprogrammedearlier
will be displayed, along with the currently
programmed COOL A, B, C, or D tempera-
ture.
3. Press
or
to display the COOL A,
B, C, or D temperature you want for Monday's
heating/coolingperiod1. Ifyouwantthefanto
run continuously during this period, press
FAN
SWITCH
until PRG FAN is displayed.
SYSTEM
SWITCH
PRESS
UNTILOFFISDISPLAYED
VIEW
PRGM
4. Press
, then press
or
to
BEFORE REATTACHING THE THERMO-
STAT TO THE SUBBASE!
select Monday's COOL A, B, C, or Dtempera-
ture for period 2. If you want the fan to run
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29
gram. However, you must perform each copy
function separately. Each time you begin a COPY
operation, you must start with the day's program
you wish to copy FROM. A COPY operation is not
HOLD
FAN
SWITCH
continuouslyduringthisperiod,press
until PRG FAN is displayed.
5. Repeat step 4 for Monday's heating cooling
periods 3 and 4.
complete until
has been pressed twice.
COPY
HOLD
COPY
ADV
DAY
6. Use the
button, or press
to choose
NOTE
other days to program. Remember, once you
enter Monday's program, Monday's program
isautomaticallycopiedintoTuesday'sthrough
Sunday's programs.
For most efficient programming, you should enter
both the heating and cooling programs for the day
you wish to copy FROM before using the COPY
function,sincetheCOPYfunctioncopiestheentire
day's programming to other days.
7. After you enter or copy heating and cooling
RUN
PRGM
programs for all seven days, press
begin program operation.
to
VIEW
PRGM
1. Press
2. Press
once.
Using the HOLD/COPY Button
ADV
DAY
until the day you want to copy from
You can use the button to copy any day's entire
heating/cooling program into any other day's pro-
is displayed. If you have not completed pro-
grammingforthisday,dosobeforeproceeding.
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30
HOLD
COPY
CHECK YOUR PROGRAMMING
3. Press
once. COPY will appear on the
display. A number from 1 to 7 will also be
displayed, representing the day you have se-
lected to copy from (Monday is 1, Tuesday is
2, etc.). For example, if in step 2 you selected
tocopyWednesday'sprogram,whenyoupress
HOLD
Follow these steps to check your thermostat pro-
gramming one final time before beginning thermo-
stat operation.
SYSTEM
1. Press
until HEAT is displayed.
SWITCH
, COPY 3 will be displayed.
COPY
VIEW
PRGM
2. Press and hold
to view the heating/
ADV
DAY
4. Press
to select the day you want to copy
cooling period times and heating tempera-
tures for Monday.
the program TO.
HOLD
5. Press
. COPY will disappear from the
COPY
ADV
DAY
3. Press
once to advance to Tuesday.
display, and the display will show the copied
heating/cooling time and temperature for the
day you copied to.
VIEW
PRGM
4. Press and hold
to view heating/cooling
periods and heating temperatures for Tuesday.
5. Repeat steps 3 and 4 to review all remaining
days'programming. If you find an error in any
6. Repeat the above steps to copy any day's
programming into any other day's program.
RUN
7. Press
to begin program operation.
PRGM
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31
day's programming, go back to the program-
ming instructions to correct the error.
NOTE
Whenyouhavecompletedprogramming, youmay
set option switch group A (see TOTAL KEYPAD
LOCKOUT in the OPERATING FEATURES sec-
tion).
RUN
PRGM
6. Press
7. Press
.
SYSTEM
SWITCH
until COOL is displayed.
8. Repeat steps 2 through 5 to check cooling
temperatures.
SYSTEM
SWITCH
Press
until OFF is displayed. Reattach
RUN
9. Press
to begin program operation.
PRGM
thermostat to subbase. Turn on power to the
SYSTEM
SWITCH
system. Then press
to select the opera-
YOUR THERMOSTAT IS NOW COMPLETELY
PROGRAMMED AND READY TO AUTOMATI-
CALLY PROVIDE MAXIMUM COMFORT AND
EFFICIENCY!
tionmodeyouwant(HEAT,COOL, AUTO). Press
FAN
SWITCH
until FAN AUTO is displayed (automatic
cycling).
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32
QUESTIONS AND ANSWERS
1. HowcanIpermanentlychangeapartofmy 3. How can I finish my programming if the
program?
display has already changed to time/tem-
perature?
VIEW
PRGM
ADV
DAY
Press
and
until you reach the time/
Duringprogramming,ifnobuttonsarepressed
for five minutes, the thermostat will enter the
HOLD mode and maintain a constant tem-
perature. The display will change to the time/
temperature mode. To resume programming,
temperature schedule you want. Then press
TIME
FWD
TIME
BACK
or
and
and
to change
the program. See PROGRAMMING YOUR
THERMOSTAT.
VIEW
PRGM
ADV
DAY
press
and
until you return to the
2. How can I have no change in temperature
from one time period to another?
point where you stopped programming. Then
you may continue to program the thermostat
normally. If you want to stop programming at
RUN
Simply select the same temperature for each
consecutive time period. For example, you
may select the same COOL A temperature for
period 2 as you did for period 1, which means
the temperature will not change from COOL A
when period 2 begins. See PROGRAMMING
YOUR THERMOSTAT.
this point, press
to start the normal
PRGM
program function. See PROGRAMMING
YOUR THERMOSTAT.
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33
4. What happens if the electricity goes off or
is manually shut off?
The thermostat can only be programmed in
the HEAT and COOL modes. See PRO-
GRAMMING YOUR THERMOSTAT.
If you have not installed 3 "AA" alkaline batter-
ies, the display will go blank and the program
willbelostinapproximatelyoneminute. When
electricity is restored, the clock will reset itself
to 12:00 PM (noon) and the thermostat will
maintain a heating temperature of 64°F and a
cooling temperature of 82°F until you reenter
your program. Setpoint temperature will not
be displayed.
If fresh "AA" Energizer® alkaline batteries are
installed, the program will be maintained for
about one year with no 24vAC power present
to the thermostat. See OPERATING YOUR
THERMOSTAT.
6. Why is the fan running constantly, regard-
less of system operation?
You have programmed the fan to run continu-
ously during this program period. To override
FAN
SWITCH
theprogrammedfan,press
untilFAN
AUTO is displayed. To change the program-
ming, see PROGRAMMING YOUR THER-
MOSTAT.
7. What can cause the thermostat display to
freeze or go blank?
A completely blank display may indicate that
power has been lost to the thermostat and the
backup battery is also dead. However, if there
is power to the thermostat and the display is
blank or frozen, static discharge is probably
the cause.
5. Why can’t I program the thermostat in the
AUTO mode?
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34
During periods of low humidity (especially
during cold weather), you may feel or see a
spark discharge when you touch the thermo-
stat. This may cause the program to be lost or
the thermostat to display incorrectly. To cor-
rect this, remove the thermostat from the wall
and disconnect the battery. Wait about two
minutes, then reconnect the battery. The
thermostat will revert to the factory preset
programuntilyoureprogramthethermostat. If
you don’t want to reprogram the thermostat
To prevent further static discharge problems,
touch another object to release static build-up
before touching the thermostat. See OPER-
ATING YOUR THERMOSTAT.
8. Why won’t the setpoint temperature go to
the temperature I want?
IntheAUTOmode,thehighestheatingsetpoint
temperature you select must be at least 1°F
lower than the lowest cooling setpoint tem-
perature you select (for example, if 70°F is
yourlowestselectedcoolingtemperature,you
cannotselectaheatingtemperatureanyhigher
than 68°F). If such a conflict exists, you must
set the lowest cooling temperature higher in
order to set the heating temperature higher.
To set a lower cooling temperature, you must
selectalowerheatingtemperature. SeePRO-
GRAMMING YOUR THERMOSTAT.
SYSTEM
SWITCH
immediately, press
until OFF is dis-
played and replace the thermostat on the wall.
RUN
PRGM
Then press
to begin the factory preset
program. Or you may reprogram the thermo-
stat, then replace it on the wall.
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35
9. The display is flashing BATTERY. What 11. Thedisplayshowsacontinuous(non-flash-
does this mean?
ing) BATTERY. What does this mean?
The "AA" batteries installed in the thermostat
arelowandshouldbereplacedwithfresh"AA"
Energizer® alkaline batteries. See OPERAT-
ING YOUR THERMOSTAT.
The thermostat is not being supplied with
24vAC power. The thermostat is operating on
batterypoweralone. SeeOPERATINGYOUR
THERMOSTAT.
10. The thermostat beeps every few minutes. 12. Why won’t the compressor turn on, even
What does this mean?
though the thermostat display is function-
ing normally?
The thermostat will beep every five minutes
when the batteries are low and need replac-
ing. Tooverridethebeeping, pressanybutton
on the keypad. The beeping will stop for 15
hours, then start again. You may again stop
the beeping by pressing any button on the
keypad. After turning the beep off three times,
the thermostat will quit beeping. However,
you risk losing your thermostat programming
if you continue to turn off the beep and do not
changethebatteries. SeeOPERATINGYOUR
THERMOSTAT.
Either the compressor lockout feature is in
operation or the thermostat is not currently
calling for cool. Wait about 5 minutes for the
compressor lockout to expire. If the system is
stillnotrunning,readthecautionarystatement
at right. Then, if conditions permit, use the
button to move the temperature below
the setpoint temperature. See OPERATING
YOUR THERMOSTAT.
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36
•
Youhaveprogrammedtheincorrectdayor
time. Check your programming (be sure
that the times you programmed are correct
AM or PM times). See PROGRAMMING
YOUR THERMOSTAT.
CAUTION
!
If the outside temperature is below 50°F,
DO NOT use the button to move the
temperature below the setpoint tempera-
ture. Property damage may result due to
compressor slugging.
•
•
The thermostat is in the HOLD mode.
RUN
PRGM
Press
to start program operation.
SeeOPERATINGYOURTHERMOSTAT.
13. Whydoesn’tthetemperaturechangeatthe
time I programmed?
The compressor lockout feature is operat-
ing; wait about 5 minutes for system to
begin running. See OPERATING YOUR
THERMOSTAT.
There may be a number of causes for this
situation. The following are primary reasons.
•
The EMR function is operating. The EMR
function will automatically bring on the sys-
tem automatically to bring the temperature
totheselectedlevelbythebeginningofthe
next program period. See OPERATING
YOUR THERMOSTAT.
14. Why does the blower fan keep running
after the system has turned off?
•
You have programmed the fan to run con-
tinuously during this period. See PRO-
GRAMMING YOUR THERMOSTAT.
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37
•
Theblowerdelayfeatureisoperating. This
energy saving feature continues to blow
conditioned air through the ducts after the
system has turned off, rather than letting
the air dissipate.
SYSTEM
SWITCH
back on, press
until HEAT, COOL,
etc. is displayed. The system will automati-
cally begin operating according to the current
thermostat program, unless the thermostat is
in the HOLD mode. See OPERATING YOUR
THERMOSTAT.
15. Why is the system turning on and off so
frequently (seldom)?
17. Iliveinanareawheredaylightsavingstime
is observed. How do I change the thermo-
stat clock twice a year without affecting
thermostat programming?
The anticipation setting is too low (high). To
change anticipation settings, see OPERAT-
ING YOUR THERMOSTAT.
16. Between heating and cooling seasons, I
want to turn my system off. Can I do this
without affecting my thermostat program-
ming?
To change your clock, follow the instructions
for setting current time and day. See ENTER-
ING YOUR PROGRAM. Thermostat pro-
gramming is not affected when you change
the clock.
Any time you wish to turn your system off,
SYSTEM
SWITCH
simply press
until the display shows
OFF. This will not affect your thermostat’s
programming in any way. To turn the system
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38
18. DoIhavetoreprogrammythermostatafter
I change the batteries?
batteries and install fresh ones within one
minute, you should not lose your thermostat
programming. After installing new batteries,
follow the procedures in CHECK YOUR PRO-
GRAMMING to determine whether your pro-
gramming was maintained. If the thermostat
When the thermostat is on the wall and the
system has power, the thermostat is being
powered by a 24v AC source. If power is lost,
or if the thermostat is removed from the wall,
the program will be retained for approximately
one minute if there are no batteries installed
or if the installed batteries are dead. If you are
changing the batteries after seeing a flashing
BATTERY on the display, the installed batter-
ies may be dead. If you remove the old
SYSTEM
SWITCH
maintains programming, press
until
OFF is displayed, put the thermostat back on
SYSTEM
SWITCH
the wall, press
to select the operat-
RUN
PRGM
ing mode you want, then press
to start
program operation. If the program is lost,
reprogram the thermostat. See PROGRAM-
MING YOUR THERMOSTAT.
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39
If you need further information on programming or operation, write to:
White-Rodgers Division, Emerson Electric Co.
9797 Reavis Road
St. Louis, MO 63123-5329
Attn: Technical Service Department
Part No. 37-5100A
9148
R
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