White Rodgers 1F97-71 User Manual

OPERATION GUIDE

7-Day Programmable Electronic
Digital Thermostat

WHITE-RODGERS

Operator: Save this booklet for future use!

1F97-71

About Your New Thermostat . . .

Your new White-Rodgers Digital Thermostat uses the technology of a solid-state microcomputer to
provide precise time/temperature control. This thermostat offers you the flexibility to design heating and
cooling programs that fit your needs.

Please read this manual thoroughly before operating or programming your thermostat. If you have
questions, write to us at the address shown on the back cover of this manual.

2

In This Guide . . .

YOUR NEW THERMOSTAT'S

FEATURES................................................ 4

OPERATING YOUR THERMOSTAT ............. 5

PARTS OF THE THERMOSTAT

The Back Of the Thermostat Body
The Display
The Thermostat Buttons

OPERATING FEATURES

PROGRAMMING YOUR

THERMOSTAT ........................................ 18

PLANNING FOR YOUR NEEDS

ENTERING YOUR PROGRAM

Set Current Time and Day
Select Heating and Cooling Temperatures
Program Heating/Cooling Times and

Heating Temperatures
Program Cooling Temperatures
Using the HOLD/COPY Button

CHECK YOUR PROGRAMMING

QUESTIONS AND ANSWERS..................... 33

Operator: Save this

booklet for future use!

3

YOUR NEW THERMOSTAT’S FEATURES

• Seven independent day programming

• Simultaneous heat and cool program storage

• Four separate time/temperature settings per
24-hour period

• Computed Energy Management Recovery
(EMR)

• Automatic changeover (operator-selectable)

• Armchair programming capability

• Backlit LCD displays continuous set point,
time, and room temperature

• 1.5 volt "AA" Energizer

• Preprogrammed temperature control

®

alkaline battery backup

4

• Adjustable cycle times

• Compressor short cycle protection

• Programmable blower control

• Blower delay in the cooling cycle

• Audio and visual prompting during operation

• Two hour temperature override

• Manual program override (HOLD tempera­ture)

• °F/°C convertibility

• Keypad lockout (operator-selectable)

• Temperature range 40° to 99°F

• Compatible with Remote Sensor (installer­selectable)

OPERATING YOUR THERMOST AT

Before you begin programming your thermostat,
you should be familiar with its features and with the
display and the location and operation of the ther­mostat buttons. The information in this section will
help you become familiar with your new thermostat
so that you can easily program it.

Your thermostat consists of two parts: the thermo-
stat body and the subbase.

CAUTION

!

Remove power from the system at the
circuit breaker/fuse box before removing
or attaching the thermostat body. Equip­ment damage and/or personal injury could
occur.

The subbase is attached to the wall, but you can
remove the thermostat body for easy program­ming. To remove the thermostat body from the
subbase, grasp the thermostat body and gently
pull it straight out from the subbase. To attach the
thermostat body, line up the three terminal pins on
the lower section of the thermostat back with the
matching connector on the subbase. Insert these,
then gently pivot the thermostat body up to connect
the six pin connectors on the upper portion of the
thermostat back. Gently push until the snap con­nectors engage. DO NOT FORCE OR PRY THE
THERMOSTAT, as this may damage the unit.

5

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).

1. The "AA" Energizer® alkaline batteries provide
power to the thermostat when the 24vAC
power is interrupted (for example, when you
remove the thermostat from the wall for pro­gramming). 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 re­turn to the factory programmed temperatures
(64°F heating and 82°F cooling) when power
is restored. You must reprogram the thermo­stat if this happens.

6

If the word BATTERY is flashing in the display
window, the batteries are low and should be
replaced with fresh "AA" Energizer® alkaline
batteries.

CAUTION

!

Before removing thermostat from the wall
to replace the batteries, remove 24vAC
power from the thermostat at the breaker/
fuse box.

2. You may adjust the option switches for EMR,
keypad lockout, and automatic changeover from
heat to cool (see OPERATING FEATURES).

Other than and , the buttons are lo­cated 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.

6-pin Connector

Batteries

On the following pages there are brief descriptions
of the display and the thermostat buttons.

W14 W22

(Group A)

(Group B)

Option Switches

3-pin Connector

BACK OF THERMOSTAT BODY

7

The Display

1

Continuously displays system mode (HEAT,
OFF, COOL, AUTO, HOLD). During pro-

gramming, the day of the week is displayed
(MON, TUE, WED, etc.).

2

Alternately displays room temperature (F de­notes degrees Fahrenheit and C denotes de­grees Celsius) and time of day (A denotes AM
time and P denotes PM time).

Displays the setpoint temperature.

3

In VIEW TEMP mode, A, B, C, and D are the

4

1st, 2nd, 3rd, and 4th heating or cooling tem­peratures available for programming.

8

5

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.

6

FAN ON is displayed when the blower is
operating continuously. FAN AUTO is dis­played during automatic fan operation (when
the blower cycles with the heating or cooling
system).

FAN AUTO

WHITE-RODGERS

SYSTEM

SWITCH

HEAT-OFF-COOL-AUTO

FAN

SWITCH

ON-AUTO

TIME
FWD

TIME

BACK

1 2 3

A

FAN AUTO FAN ON

4

6

DIGITAL COMFORT SET II

SET

ADV
DAY

VIEW

PRGM

VIEW
TEMP

6

CLOCK

B

4

HOLD
COPY

PRGM

2

RUN

3

BATTERY

5

9

The Thermostat Buttons

16

Sets the system mode (HEATing, OFF,

7

COOLing, or AUTOmatic changeover).

8

Selects fan operation (see #6, above). This
button is also used to program the fan to run
continuously during a program period.

9

Runs display forward or backward through
time, day, or anticipation settings during pro­gramming.

10

Used with

TIME
FWD

and

TIME

to set current time

BACK

and day of the week.

11

Used during programming to set the day of the
week to be programmed. Also used in con-

junction with the

SET

button to enter antici-

CLOCK

pation setting mode.

10

12

Used to initiate or review thermostat program­ming.

13

Used to select heating and cooling tempera­tures to be programmed.

14

Used to manually override programming to
hold at a selected temperature (when HOLD is
displayed). Also used to copy one day's
programming into another (when COPY is
displayed).

15

Used to start program operation after pro­gramming. Also used to return thermostat to
program operation after being in HOLD mode.

(Red arrow) Raises temperature setting (99°F
or 37°C maximum).

(Blue arrow) Lowers temperature setting (40°F

17

or 4°C minimum).
The red indicator light glows whenever heat-

18

ing, cooling, or fan are in operation.

FAN AUTO

17

16

18

WHITE-RODGERS

7

8

SYSTEM

SWITCH

HEAT-OFF-COOL-AUTO

FAN

SWITCH

ON-AUTO

9

DIGITAL COMFORT SET

TIME

SET

FWD

CLOCK

ADV

TIME

DAY

BACK

10

121314 15

11

VIEW

PRGM

VIEW

TEMP

II

HOLD
COPY

RUN

PRGM

11

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.

• COMPUTED ENERGY MANAGEMENT RE-
COVERY (EMR) — The thermostat’s micro­computer can be set to automatically calculate
the time it will take to change the temperature
to the next program setting. Then the thermo­stat 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 heat­ing temperature of 62°F, and that during the
next program period, beginning at 6:00 AM,
you have programmed a temperature of 70°F.

12

The thermostat will automatically activate the
heating system at 5:00 AM, so that the pro­grammed 70°F temperature is reached by
about 6:00 AM.

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 re­store 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

AUTOMATIC CHANGEOVER to determine
proper positions of Group B option switches
#1 and #2.

EMR Switch Positions

ON

123

Switch #1 (see AUTOMATIC CHANGEOVER)
Switch #2 (see AUTOMATIC CHANGEOVER)
Switch #3 OFF

Group B

Option

Switches

• 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
changeover, you must move Group B option

switch #1 to the ON position and switch #2 to
the OFF position. Turn off 24v AC power to the
thermostat. Then remove the thermostat body
from the wall. Check the position of Group B
option switches #1 and #2 (the first two switches
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
switches to the correct positions (see figure on
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 neces­sary, put the thermostat back on the wall, and
restore 24v AC power. To set the thermostat
for automatic changeover after programming,

SYSTEM

press

to set the thermostat to AUTO

SWITCH

13

(the setpoint temperature display is blank in

79
78
77
76
75
74
73

COOLING TEMPERATURES

HEATING TEMPERATURES

DEAD BAND 1°F

the AUTO mode). The system will now auto­matically switch between heating and cooling,
depending on the actual room temperature.

Auto Changeover Switch Positions

ON

123

Switch #1 ON
Switch #2 OFF
Switch #3 (see Energy Management Recovery)

Group B

Option

Switches

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).

14

• TWO HOUR TEMPERATURE OVERRIDE —
Press

or until the display shows
the temperature you want. The thermostat will
override current programming and keep the
room temperature at the selected temperature
for two hours. After two hours, the thermostat
will automatically revert to the program.

• HOLD TEMPERATURE — The thermostat
can hold any temperature within its range for
an indefinite period, without reverting to the

HOLD

program. Press

. HOLD will be dis-

COPY

played. Then choose the desired hold tem­perature by pressing

or . The

thermostat will hold the room temperature at

the selected setting until you press

RUN

PRGM

to

start program operation again. This feature is
ideal for energy conservation when the build­ing is unoccupied for an extended period of
time.

•

°F/°C CONVERTIBILITY — Press

TIME

at the same time until the temperature

BACK

display is in

°C (Celsius). To display °F, repeat

TIME
FWD

and

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.

CAUTION

!

A cooling anticipation setting of less than
10 may cause decreased compressor life.

SET

To adjust heat anticipation, press

ADV

at the same time. The display will show

DAY

CLOCK

and

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 an­ticipation 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

the heat cycles are too short, press

TIME
FWD

increase the cycle time. If the heat cycles are

to

15

too long, press

CAUTION

!

TIME

to decrease the cycle

BACK

time. To set cooling anticipation, press

ADV

and

at the same time again. The display

DAY

will show COOL 14 (factory preprogrammed
cooling anticipation). Use the

TIME
FWD

and

buttons to adjust anticipation. Press
return to your program.

• LOW BATTERY INDICATOR — The three
"AA" alkaline batteries will maintain thermo­stat 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 re­placed. The thermostat will also make a
beeping sound every five minutes when bat­teries need replacing. To override the beep­ing, press any button on the keypad. The

16

RUN

PRGM

SET

CLOCK

TIME
BACK

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 should always change
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.

to

Fresh batteries must always be installed
for millivolt systems. The heating system
will not operate if batteries are not installed
or if battery power is low.

The word BATTERY will be displayed continu­ously (non-flashing) when 24v AC power is not
being supplied to the thermostat and the ther­mostat is operating on battery power only.

• AUDIO PROMPTING — Each time you press

a button, the thermostat will beep.

• 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 indi­cates system operation (see PARTS OF THE
THERMOSTAT).

NOTE

On systems with Taco zone valves, the indicator
light will flash during the heating cycle.

• 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:

a) Return of power after a power outage.

SYSTEM

b) Pressing

to change operating

SWITCH

modes.

c) Pressing

, creating a call for COOL

too soon after a previous call.

• TOTAL KEYPAD LOCKOUT — When Group
A option switch #1 is in the total keypad
lockout position (ON), programs cannot be
altered and all buttons are disabled.

NOTE

Programming should be completed and batteries
should be installed before changing Group A
option switches #1 or #2.

17

PROGRAMMING

Total Keypad Lockout Switch Positions

ON

Group A

Option

Switches

12

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.

PROGRAMMING

Switch #1 ON
Switch #2 OFF

PROGRAMMING YOUR THERMOST AT

Now you are ready to program your thermostat.
This section will help you plan your thermostat's
program to meet your needs.

For maximum comfort and efficiency, keep the
following guidelines in mind when planning your
program.

18

• When heating (cooling) your building, pro­gram the temperatures 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.

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,
office building, etc.), answer questions 1 through 4.
If you are using the thermostat in your home,
answer questions 5 through 8.

FOR COMMERCIAL APPLICATIONS:
1a. What time does the first person arrive at the

building in the morning?

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, equip­ment, meeting rooms, etc.)?

b. What temperature should the building be at

this time? These will be your DAY tempera­ture settings.

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.

4a. What time does the building become vacant?

b. What temperature should the building be at

this time? These will be your NHT (night)
temperature settings.

IN YOUR HOME:
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?

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?

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? These will be your NHT (night) tempera­ture settings.

Now look at the factory preprogrammed times and
temperatures shown at right. If this program will

RUN

suit your needs, simply press

to begin run-

PRGM

ning the factory preset program.
If you want to change the preprogrammed times

20

Heating Program for

ALL days of the Week:

PERIOD TIME TEMP PERIOD TIME

1

5:00 AM

2

9:00 AM

3

4:00 PM

4

10:00 PM

70
70
70
64

Cooling Program for

ALL Days of the Week:

1

5:00 AM

2

9:00 AM

3

4:00 PM

4

10:00 PM

TEMP

78
82
78
78

and temperatures, follow these steps.

1. Determine the heating and cooling tempera­tures you want to use. You may select up to four
heating temperatures (HEAT A, HEAT B, 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 se­lected.

NOTE

To operate properly in the AUTO mode, there must
be a minimum 1

°F separation between the high-

est heat temperature and the lowest cool tempera­ture (see diagram below).

79
78
77
76
75
74
73

COOLING TEMPERATURES

DEAD BAND 1°F

HEATING TEMPERATURES

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

Temperature

Designation

Selected

Temperatures*

HEAT A
HEAT B
HEAT C
HEAT D

COOL A
COOL B
COOL C
COOL D

* 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).

Your

Factory

Preprogrammed

Temperature

70
70
70
64

78
82
78
78

21

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 begin at 9:00 AM).
Use the following table to plan 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.

alkaline batteries must be installed to perform off­wall programming. BE SURE SYSTEM SWITCH IS

SET TO OFF POSITION BEFORE REATTACH­ING THERMOSTAT TO SUBBASE!

NOTE

You cannot program the thermostat with the SYS­TEM SWITCH in the AUTO position.

ENTERING YOUR PROGRAM

Follow these steps to enter the heating/cooling
program you have selected.

NOTE

We recommend that you remove the thermostat
from the wall for programming (especially for enter­ing cooling programming). Fresh "AA" Energizer

22

Set Current Time and Day

1. Press

SET

CLOCK

minutes only.
EXAMPLE:

2. Press and hold either

®

reach the correct minutes.

once. The display will show

TIME
FWD

or

TIME

BACK

until you

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

Monday
Tuesday
Wednesday
Thursday
Friday
Saturday
Sunday

Time

Temp.

Cool

Temp. Time

Heat

Temp.

Cool

Temp. Time

Heat

Temp.

Cool

Temp. Time

Heat

Temp.

Cool

Temp.

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

SAMPLE

Heating/Cooling Schedule Plan

HEAT A = 65° COOL A = 80°
HEAT B = 68° COOL B = 78°
HEAT C = 70° COOL C = 76°
HEAT D = 72° COOL D = 74°

THIS THERMOSTAT ALLOWS ONE SET OF TIMES FOR BOTH HEATING AND COOLING

Period 1 Period 2 Period 3 Period 4

Heat

Monday
Tuesday
Wednesday
Thursday
Friday
Saturday
Sunday

Time

5:00 AM

5:00 AM

5:00 AM

5:00 AM

5:00 AM

5:00 AM

5:00 AM

Temp.

65° (A)

65° (A)

65° (A)

65° (A)

65° (A)

65° (A)

70° (C)

Cool

Temp. Time

80° (A)

80° (A)

80° (A)

80° (A)

80° (A)

80° (A)

78° (B)

9:00 AM

9:00 AM

9:00 AM

9:00 AM

9:00 AM

9:00 AM

9:00 AM

Heat

Temp.

65° (A)

70° (C)

70° (C)

70° (C)

70° (C)

70° (C)

70° (C)

Cool

Temp. Time

80° (A)

3:30 PM

76° (C)

3:30 PM

76° (C)

3:30 PM

76° (C)

3:30 PM

76° (C)

3:30 PM

76° (C)

3:30 PM

76° (C)

3:30 PM

Heat

Temp.

65° (A)

72° (D)

72° (D)

72° (D)

72° (D)

72° (D)

68° (B)

Cool

Temp. Time

80° (A)

11:30 PM

74° (D)

11:30 PM

74° (D)

11:30 PM

74° (D)

11:30 PM

74° (D)

11:30 PM

74° (D)

11:30 PM

76° (C)

11:30 PM

24

Heat

Temp.

65° (A)

65° (A)

65° (A)

65° (A)

65° (A)

65° (A)

65° (A)

Cool

Temp.

80° (A)

80° (A)

80° (A)

80° (A)

80° (A)

80° (A)

80° (A)

3. Press

SET

once. The display window will

CLOCK

show the hour only.
EXAMPLE:

4. Press and hold either

TIME
FWD

or

TIME
BACK

reach the correct hour and AM/PM designa­tion (AM begins at midnight; PM begins at
noon).

5. Press

SET

once. The display will show the

CLOCK

day of the week as an abbreviation (MON for
Monday, TUE for Tuesday, etc.).

6. Press and hold either

TIME
FWD

or

TIME
BACK

reach the current day of the week.

7. Press

RUN

once. The display will show the

PRGM

correct time and room temperature alternately.

until you

until you

Select Heating and Cooling Temperatures

During programming, if you don’t press any but­tons for 5 minutes, the thermostat will enter the
HOLD mode and will maintain a constant tempera­ture. The display will revert to the alternating time/
temperature display. To resume programming

VIEW

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

press

1. Press

2. Press

to resume program operation.

PRGM

SYSTEM

until HEAT is displayed.

SWITCH

VIEW

once. The display will continue to

TEMP

show HEAT. Below HEAT is the letter A,
representing the first programmed heating

25

temperature (HEAT A). At the right of the
display is the currently programmed HEAT A
setting.

3. 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.)

4. Press

VIEW

once. The letter A will change to

TEMP

the letter B, representing HEAT B.

5. Press either

or to change the
temperature to your selected HEAT B setting (if
you only want to program temperatures for
HEAT A and HEAT B, skip to step 7).

6. Repeat steps 4 and 5 to select HEAT C and
HEAT D temperature settings, if desired.

RUN

7. Press

8. Press

PRGM

SYSTEM

SWITCH

.

until COOL is displayed.

26

9. Press

VIEW

once. The display will show

TEMP

COOL and A, representing the first pro­grammed cooling temperature (COOL A).

10. Press either

or to change the
temperature to your selected COOL A setting
(if you only want to program a temperature for
COOL A, skip to step 13).

11. Press

VIEW

once. Press or to set

TEMP

your selected COOL B setting (if you only
want to program temperatures for COOL A
and COOL B, skip to step 13).

12. Repeat step 11 to select COOL C and COOL
D temperature settings, if desired.

13. Press

RUN

PRGM

.

Program Heating/Cooling Times and

Heating Temperatures

1. Press

2. Press

SYSTEM

until HEAT is displayed.

SWITCH

VIEW

once. MON, the abbreviation for

PRGM

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.

EXAMPLE:

3. To change the displayed start time to your
selected start time for Monday's period 1,

press

TIME
FWD

or

TIME

until your selected time

BACK

appears. The time will change in 15-minute

increments. The time that you program will

be the start time of Monday's period 1 for
both heating and cooling programs.

4. If the temperature displayed is not the HEAT
A, B, C, or D temperature you want for

Monday's period 1, press
you continue to press

or (if

or , the
display will alternately display the HEAT A, B,
C, or D temperatures you have already pro­grammed).

5. If you want the fan to run continuously during

FAN

this time period, press

SWITCH

until PRG

FAN appears in the display (if you skip this

step, the fan will cycle automatically with the
heating/cooling system).

6. After selecting the desired heating tempera­ture for Monday's heating/cooling period 1,

press

VIEW

. The currently programmed start

PRGM

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.

8. Repeat steps 3 through 7 for Monday's heat­ing/cooling periods 3 and 4.

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

press

to start the thermostat's programmed

PRGM

operation. Every day will then use the same
program you set for Monday. You may also use

28

HOLD

the

button to copy any day's program into

COPY

any other day (see USING THE HOLD/COPY
BUTTON).

9. To enter Tuesday's through Sunday's heating

HOLD

programs, use the
below, or press

button as described

COPY

ADV

until the correct day's

DAY

abbreviation appears in the display and repeat
the above steps to program each day's heat­ing/cooling periods and heating temperatures.

10. When you have completed programming your
heating/cooling periods and heating tempera-

RUN

tures, press

PRGM

.

Program Cooling Temperatures

CAUTION

!

If outside temperature is below 50°F, we
recommend that you remove the thermo­stat from the wall before proceeding with
the following steps to program cooling
temperatures. Personal injury and/or prop­erty damage could result from air condi­tioner compressor slugging. Fresh "AA"
alkaline batteries (such as Energizer
brand) must be installed to perform off­wall programming. Programming away
from the wall should prevent accidental
compressor operation. BE SURE TO

SYSTEM

PRESS

UNTIL OFF IS DISPLAYED

SWITCH

BEFORE REATTACHING THE THERMO­STAT TO THE SUBBASE!

1. To program cooling temperatures for the heat­ing/cooling periods you have already set, press

SYSTEM

until COOL is displayed.

SWITCH

VIEW

2. Press

once. The Monday heating/cool-

PRGM

ing period 1 start time you programmed earlier
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/cooling period 1. If you want the fan to
run continuously during this period, press

FAN

until PRG FAN is displayed.

SWITCH

4. Press

VIEW

, then press or to

PRGM

select Monday's COOL A, B, C, or D tempera-
ture for period 2. If you want the fan to run

29

continuously during this period, press

FAN

SWITCH

until PRG FAN is displayed.

5. Repeat step 4 for Monday's heating cooling
periods 3 and 4.

6. Use the

HOLD

button, or press

COPY

ADV

to choose

DAY

other days to program. Remember, once you
enter Monday's program, Monday's program
is automatically copied into Tuesday's through
Sunday's programs.

7. After you enter or copy heating and cooling
programs for all seven days, press

RUN

PRGM

to

begin program operation.

Using the HOLD/COPY Button

You can use the button to copy any day's entire
heating/cooling program into any other day's pro-

30

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

complete until

has been pressed twice.

COPY

NOTE

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, since the COPY function copies the entire
day's programming to other days.

VIEW

1. Press

2. Press
is displayed. If you have not completed pro-

gramming for this day, do so before proceeding.

once.

PRGM

ADV

until the day you want to copy from

DAY

3. Press

HOLD

once. COPY will appear on the

COPY

display. A number from 1 to 7 will also be
displayed, representing the day you have se­lected to copy from (Monday is 1, Tuesday is
2, etc.). For example, if in step 2 you selected
to copy Wednesday's program, when you press

HOLD

, COPY 3 will be displayed.

COPY

4. Press

ADV

to select the day you want to copy

DAY

the program TO.

5. Press

HOLD

. COPY will disappear from the

COPY

display, and the display will show the copied
heating/cooling time and temperature for the
day you copied to.

6. Repeat the above steps to copy any day's
programming into any other day's program.

7. Press

RUN

to begin program operation.

PRGM

CHECK YOUR PROGRAMMING

Follow these steps to check your thermostat pro­gramming one final time before beginning thermo­stat operation.

SYSTEM

1. Press

2. Press and hold
cooling period times and heating tempera-

tures for Monday.

3. Press

ADV
DAY

4. Press and hold
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

until HEAT is displayed.

SWITCH

VIEW

to view the heating/

PRGM

once to advance to Tuesday.

VIEW

to view heating/cooling

PRGM

31

day's programming, go back to the program­ming instructions to correct the error.

6. Press

7. Press

RUN

PRGM

SYSTEM

SWITCH

.

until COOL is displayed.

8. Repeat steps 2 through 5 to check cooling
temperatures.

9. Press

RUN

to begin program operation.

PRGM

YOUR THERMOSTAT IS NOW COMPLETELY
PROGRAMMED AND READY TO AUTOMATI­CALLY PROVIDE MAXIMUM COMFORT AND
EFFICIENCY!

32

NOTE

When you have completed programming, you may
set option switch group A (see TOTAL KEYPAD
LOCKOUT in the OPERATING FEATURES sec-
tion).

SYSTEM

Press
thermostat to subbase. Turn on power to the

system. Then press
tion mode you want (HEAT, COOL, AUTO). Press

FAN

SWITCH

cycling).

until OFF is displayed. Reattach

SWITCH

SYSTEM

to select the opera-

SWITCH

until FAN AUTO is displayed (automatic

QUESTIONS AND ANSWERS

1. How can I permanently change a part of my
program?

Press

VIEW

PRGM

and

ADV

until you reach the time/

DAY

temperature schedule you want. Then press

TIME
FWD

or

TIME

and and to change

BACK

the program. See PROGRAMMING YOUR
THERMOSTAT.

2. How can I have no change in temperature
from one time period to another?

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.

3. How can I finish my programming if the
display has already changed to time/tem­perature?

During programming, if no buttons are pressed
for five minutes, the thermostat will enter the
HOLD mode and maintain a constant tem­perature. The display will change to the time/
temperature mode. To resume programming,

press

VIEW

PRGM

and

ADV

until you return to the

DAY

point where you stopped programming. Then
you may continue to program the thermostat
normally. If you want to stop programming at

this point, press

RUN

to start the normal

PRGM

program function. See PROGRAMMING
YOUR THERMOSTAT.

33

4. What happens if the electricity goes off or
is manually shut off?

If you have not installed 3 "AA" alkaline batter­ies, the display will go blank and the program
will be lost in approximately one minute. 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.

5. Why can’t I program the thermostat in the
AUTO mode?

34

The thermostat can only be programmed in
the HEAT and COOL modes. See PRO-

GRAMMING YOUR THERMOSTAT.

6. Why is the fan running constantly, regard­less of system operation?

You have programmed the fan to run continu­ously during this program period. To override

the programmed fan, press

FAN

SWITCH

until FAN

AUTO is displayed. To change the program-
ming, see PROGRAMMING YOUR THER­MOSTAT.

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.

During periods of low humidity (especially
during cold weather), you may feel or see a
spark discharge when you touch the thermo­stat. This may cause the program to be lost or
the thermostat to display incorrectly. To cor­rect 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
program until you reprogram the thermostat. If
you don’t want to reprogram the thermostat

SYSTEM

immediately, press

until OFF is dis-

SWITCH

played and replace the thermostat on the wall.

RUN

Then press

to begin the factory preset

PRGM

program. Or you may reprogram the thermo­stat, then replace it on the wall.

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?

In the AUTO mode, the highest heating setpoint
temperature you select must be at least 1°F
lower than the lowest cooling setpoint tem­perature you select (for example, if 70°F is
your lowest selected cooling temperature, you
cannot select a heating temperature any higher
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
select a lower heating temperature. See PRO-
GRAMMING YOUR THERMOSTAT.

35

9. The display is flashing BATTERY. What
does this mean?

The "AA" batteries installed in the thermostat
are low and should be replaced with fresh "AA"

®

Energizer

alkaline batteries. See OPERAT-

ING YOUR THERMOSTAT.

10. The thermostat beeps every few minutes.
What does this mean?

The thermostat will beep every five minutes
when the batteries are low and need replac­ing. To override the beeping, press any button
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
change the batteries. See OPERATING YOUR
THERMOSTAT.

36

11. The display shows a continuous (non-flash­ing) BATTERY. What does this mean?

The thermostat is not being supplied with
24vAC power. The thermostat is operating on
battery power alone. See OPERATING YOUR

THERMOSTAT.

12. Why won’t the compressor turn on, even
though the thermostat display is function­ing normally?

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
still not running, read the cautionary statement
at right. Then, if conditions permit, use the

button to move the temperature below
the setpoint temperature. See OPERATING
YOUR THERMOSTAT.

CAUTION

!

If the outside temperature is below 50°F,
DO NOT use the

button to move the
temperature below the setpoint tempera­ture. Property damage may result due to
compressor slugging.

13. Why doesn’t the temperature change at the
time I programmed?

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 sys­tem automatically to bring the temperature
to the selected level by the beginning of the
next program period. See OPERATING
YOUR THERMOSTAT.

• You have programmed the incorrect day or
time. Check your programming (be sure
that the times you programmed are correct
AM or PM times). See PROGRAMMING
YOUR THERMOSTAT.

• The thermostat is in the HOLD mode.
Press

RUN

to start program operation.

PRGM

See OPERATING YOUR THERMOSTAT.

• The compressor lockout feature is operat­ing; wait about 5 minutes for system to
begin running. 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.

37

• The blower delay feature is operating. This
energy saving feature continues to blow
conditioned air through the ducts after the
system has turned off, rather than letting
the air dissipate.

15. Why is the system turning on and off so
frequently (seldom)?

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 program­ming?

Any time you wish to turn your system off,

SYSTEM

simply press

until the display shows

SWITCH

OFF. This will not affect your thermostat’s
programming in any way. To turn the system

38

back on, press

SYSTEM

until HEAT, COOL,

SWITCH

etc. is displayed. The system will automati­cally begin operating according to the current
thermostat program, unless the thermostat is
in the HOLD mode. See OPERATING YOUR

THERMOSTAT.

17. I live in an area where daylight savings time
is observed. How do I change the thermo­stat clock twice a year without affecting
thermostat programming?

To change your clock, follow the instructions
for setting current time and day. See ENTER-
ING YOUR PROGRAM. Thermostat pro­gramming is not affected when you change
the clock.

18. Do I have to reprogram my thermostat after
I change the batteries?

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 batter­ies may be dead. If you remove the old

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 pro­gramming was maintained. If the thermostat

SYSTEM

maintains programming, press

SWITCH

until

OFF is displayed, put the thermostat back on

SYSTEM

the wall, press
ing mode you want, then press

to select the operat-

SWITCH

RUN

PRGM

to start

program operation. If the program is lost,
reprogram the thermostat. See PROGRAM-
MING YOUR THERMOSTAT.

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

R

9148