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.

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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

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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,

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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

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

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ing, cooling, or fan are in operation.

FAN AUTO

17

16

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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