White Rodgers 1F94 71 Thermostat User Manual

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OPERATION GUIDE  
1F94-71  
7 Day Multi-stage/Heat Pump  
Electronic Digital Thermostat  
WHITE-RODGERS  
W H I T E - R O D G E R S  
DIGITAL COMFORT SET  
II  
Operator: Save this booklet for future use!  
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About Your New Thermostat . . .  
Your new Digital COMFORT SET II Multi-stage/Heat Pump Thermostat uses the technology of a  
solid-state microcomputer to provide precise time/temperature control. The COMFORT SET II  
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, you may write to our Technical Service Department at the address shown on the back  
cover of this booklet.  
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In This Guide . . .  
YOUR NEW THERMOSTAT'S  
Program Heating/Cooling Times  
and Heating Temperatures  
Program Cooling Temperatures  
Using the HOLD/COPY Button  
FEATURES ........................................... 4  
OPERATING YOUR THERMOSTAT ........ 5  
PARTS OF THE THERMOSTAT  
The Back Of the Thermostat Body  
The Display  
CHECK YOUR PROGRAMMING  
QUESTIONS AND ANSWERS................ 33  
The Thermostat Buttons  
OPERATING FEATURES  
PROGRAMMING YOUR  
THERMOSTAT ................................... 18  
PLANNING FOR YOUR NEEDS  
ENTERING YOUR PROGRAM  
Set Current Time and Day  
Operator: Save this  
booklet for future use!  
Program Heating and Cooling  
Temperatures  
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YOUR NEW THERMOSTAT’S FEATURES  
• Computed Energy Management Recovery  
(EMR)  
• Preprogrammed temperature control  
• Adjustable cycle times  
• Automaticchangeover(operator-selectable)  
• Separate setback programming for 7 inde-  
pendent days  
• Simultaneous heat and cool program stor-  
age  
• Fourseparatetime/temperaturesettingsper  
24-hour period  
• Armchair programming capability  
• Up to 3 stages of heat and up to 2 stages of  
cool  
• Compressor short cycle protection  
• Compressor long term cycle protection  
• Blower delay in the cooling cycle  
• Audioandvisualpromptingduringoperation  
• Two hour temperature override  
• Manual program override (HOLD tempera-  
ture)  
°F/°C convertibility  
• Keypad lockout (operator-selectable)  
• Temperature range 40° to 99°F  
• Compatible with Remote Sensor (installer-  
selectable)  
• Backlit LCD displays continuous set point,  
time, and room temperature  
• 9 volt Energizer® alkaline battery backup  
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OPERATING YOUR THERMOSTAT  
Before you begin programming your thermo- The subbase is attached to the wall, but you can  
stat, you should be familiar with its features and remove the thermostat body for easy program-  
with the display and the location and operation ming. To remove the thermostat body from the  
of the thermostat buttons. The information in subbase, grasp the thermostat body and gently  
this section will help you become familiar with pull it out from the bottom of the subbase and  
your new thermostat so that you can easily pivot up. To attach the thermostat body, line up  
program it.  
the four terminal pins on the upper section of the  
thermostatbackwiththematchingconnectoron  
Your thermostat consists of two parts: the the subbase. Insert these, then gently pivot the  
thermostat body and the subbase.  
thermostat body down to connect the eight pin  
connectors on the lower portion of the thermo-  
statback. Gentlypushuntilthesnapconnectors  
engage. DONOTFORCEORPRYTHETHER-  
MOSTAT as this may damage the unit.  
CAUTION  
!
Remove power from the system at the  
circuit breaker/fuse box before remov-  
ing or attaching the thermostat body.  
Equipment damage and/or personal in-  
jury could occur.  
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must reprogram the thermostat if this hap-  
pens.  
PARTS OF THE THERMOSTAT  
If the word BATTERY is flashing in the  
displaywindow,thebatteryislowandshould  
be replaced with a fresh 9 volt Energizer®  
The Back of The Thermostat Body  
Turn the thermostat body over. On the back are  
the 9 volt Energizer® alkaline battery and the  
option switches.  
4-pin connector  
Battery  
1. The 9 volt Energizer® alkaline battery pro-  
vides power to the thermostat when the  
24vAC power is interrupted (for example,  
when you remove the thermostat from the  
wall for programming). A fresh battery will  
maintain the stored program for approxi-  
mately a week. If power loss is long enough  
fortheprogramtobelost,thethermostatwill  
automatically return to the factory pro-  
grammed temperatures (64°F heating and  
82°F cooling) when power is restored. You  
W18  
Option switches  
9-pin connector  
BACK OF THERMOSTAT BODY  
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alkaline battery. The battery will provide 2. You may adjust the option switches for key-  
power for all functions except the display  
light, which works only on 24vAC power.  
padlockoutandautomaticchangeoverfrom  
heattocool(seeOPERATINGFEATURES).  
CAUTION  
!
Other than  
and  
, the buttons are  
locatedbehindthethermostatdoor. Toopenthe  
door, use your fingernail in the indentation at the  
top center of the door. Pull the door out, then  
swing the door down on its hinges.  
Before removing thermostat from the  
walltoreplacethebattery,remove24vAC  
powerformthethermostatatthebreaker/  
fuse box.  
Following are brief descriptions of the display  
and the thermostat buttons.  
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The Display  
VIEW  
TEMP  
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When  
is pressed, A is displayed when  
the setpoint temperature displayed (at the  
far right) is the 1st programmed heating or  
cooling temperature (depending on mode).  
B is displayed when the 2nd programmed  
heating or cooling temperature is being dis-  
played.  
FAN ON is displayed when the blower is  
operating continuously. FAN AUTO is dis-  
playedduringautomaticfanoperation(when  
theblowercycleswiththeheatingorcooling  
system).  
1
Continuouslydisplayssystemmode(HEAT,  
EMER, OFF, COOL, AUTO, HOLD). Dur-  
ing programming, the day of the week is  
displayed (MO, TU, WE, etc.).  
Alternately displays room temperature (F  
denotesdegreesFahrenheitand Cdenotes  
degrees Celsius) and time of day (A de-  
notes AM time and P denotes PM time).  
Displays the setpoint temperature.  
2
3
5
6
The word BATTERY flashes on the display  
when the 9 volt alkaline battery power is  
weak and should be replaced.  
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EMER. PUMP  
MALF. AUX.  
A
FAN AUTO  
W H I T E - R O D G E R S  
SEVEN DAY DIGITAL COMFORT-SET II  
TIME  
FWD  
SET  
CLOCK  
VIEW  
PRGM  
HOLD  
COPY  
SYSTEM  
SWITCH  
HEAT-EMER-OFF-COOL-AUTO  
FAN  
SWITCH  
TIME  
BACK  
ADV  
DAY  
VIEW  
TEMP  
RUN  
PRGM  
ON-AUTO  
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1
2
3
3
A
FAN AUTO  
B
FAN ON  
BATTERY  
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4
5
2
4
5
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The Thermostat Buttons  
TIME  
FWD  
TIME  
BACK  
13  
14  
Used with  
and  
to select setpoint  
temperatures.  
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Sets the system mode (HEATing, OFF,  
COOLing, or AUTOmatic changeover).  
Selects fan operation (see #5, above).  
Runs display forward or backward through  
time, day, or anticipation settings during  
programming.  
Used to manually override programming to  
holdataselectedtemperature(whenHOLD  
is displayed). Also used to copy one day’s  
programming to another day (when COPY  
is displayed).  
Used to start program operation after pro-  
gramming.Alsousedtoreturnthermostatto  
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 or 4°C minimum).  
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9
15  
TIME  
FWD  
TIME  
BACK  
10  
Used with  
and  
to set current time  
and day of the week.  
11  
Used during programming to set the day of  
the week to be programmed.  
Usedtoinitiateorreviewprogramming(pro-  
gram viewing automatically begins with  
ADV  
16  
17  
18  
12  
Monday’s program; use  
button to view  
DAY  
EMER light indicates that the system is in  
the emergency mode (the heat pump com-  
pressor is off and the auxiliary heat system  
programming for following days).  
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is maintaining the setpoint temperature —  
there is a 5- to 10-minute startup delay on  
the first emergency cycle). MALF light indi-  
cates a heat pump system malfunction (re-  
fer to heat pump manufacturer's operating  
manual).Acontinuous(non-flashing)PUMP  
light indicates that the heat pump compres-  
sor is functioning — a flashing PUMP light  
indicates that the compressor is locked out.  
AUXlightindicatesthattheauxiliarysystem  
is operating.  
16 17  
18  
EMER. PUMP  
MALF. AUX.  
FAN AUTO  
W H I T E - R O D G E R S  
SEVEN DAY DIGITAL COMFORT-SET II  
TIME  
FWD  
SET  
CLOCK  
VIEW  
PRGM  
HOLD  
COPY  
SYSTEM  
SWITCH  
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HEAT-EMER-OFF-COOL-AUTO  
FAN  
SWITCH  
TIME  
BACK  
ADV  
DAY  
VIEW  
TEMP  
RUN  
PRGM  
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ON-AUTO  
10  
11 12  
14 15  
13  
9
11  
62°F, and that during the next program  
period, beginning at 6:00 AM, you have  
programmed a temperature of 70°F. The  
thermostat will automatically activate the  
heating system at about 5:00 AM, so that  
the programmed 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 informa-  
tion to learn about the many features of the  
thermostat.  
AUTOMATIC CHANGEOVER — You can  
set the thermostat to automatically switch  
the system from heating to cooling as  
needed. First you must move option switch  
#4 (located on the back of the thermostat  
body)totheONposition, ifithasnotalready  
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 #4 (the last switch on the  
right). If it is ON (up), simply put the thermo-  
stat back on the wall and restore 24v AC  
power. If the switch is OFF (down), remove  
COMPUTED ENERGY MANAGEMENT  
RECOVERY (EMR) — The thermostat’s  
microcomputerautomaticallycalculatesthe  
timeitwilltaketochangethetemperatureto  
the next program setting. Then the thermo-  
stat will activate the heating or cooling sys-  
tem to change the temperature so that the  
desired temperature is reached at the be-  
ginning of the next program period. As an  
example of this feature, assume that you  
have programmed your thermostat to pro-  
vide an overnight heating temperature of  
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thebattery,thenuseapencilorsmallscrew-  
driver to move the switch to the ON position  
(seefigureatright). Leavethebatteryoutof  
the thermostat for at least two minutes, to  
allowthethermostattoresetitself. DONOT  
MOVE OPTION SWITCHES #1 OR #2, as  
this may affect thermostat operation. [Op-  
tionswitch#3enables/disableskeypadlock-  
out (see TOTAL KEYPAD LOCKOUT)].  
Replace the battery, reprogram the thermo-  
stat, if necessary, put the thermostat back  
on the wall, and restore 24v AC power. To  
setthethermostatforautomaticchangeover  
SYSTEM  
ON  
1
2
3
4
Switch #1 set at installation (DO NOT CHANGE)  
Switch #2 set at installation (DO NOT CHANGE)  
Switch #3 (see TOTAL KEYPAD LOCKOUT)  
Switch #4 ON  
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 below).  
afterprogramming,press  
tosetthe  
SWITCH  
thermostat to AUTO (the setpoint tempera-  
ture display is blank in the AUTO mode).  
The system will now automatically switch  
betweenheatingandcooling,dependingon  
the actual room temperature.  
79  
78  
77  
COOLING TEMPERATURES  
76 DEAD BAND 1°F  
75  
74  
73  
HEATING TEMPERATURES  
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TWO HOUR TEMPERATURE OVER-  
RIDE — Press or until the  
featureisidealforenergyconservationwhen  
the building is unoccupied for an extended  
period of time.  
display shows the temperature you want.  
The thermostat will override current pro-  
gramming and keep the room temperature  
at the selected temperature for two hours.  
After two hours, the thermostat will auto-  
matically revert to the program.  
HOLD TEMPERATURE — The thermostat  
can hold any temperature within its range  
for an indefinite period, without reverting to  
HOLD  
TIME  
FWD  
°F/°CCONVERTIBILITYPress  
and  
TIME  
BACK  
at the same time until the temperature  
display is in °C (Celsius). To display °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.  
the program. Press  
displayed. Then choose the desired hold  
temperature by pressing or  
. HOLD will be  
COPY  
.
The thermostat will hold the room tempera-  
ture at the selected setting until you press  
CAUTION  
!
A cooling anticipation setting of less  
than 10 may cause decreased compres-  
sor life.  
RUN  
PRGM  
to start program operation again. This  
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SET  
CLOCK  
ADV  
DAY  
Toadjustheatanticipation, press  
and  
atthesametimeagain.Thedisplaywill  
show COOL 14 (factory preprogrammed  
ADV  
DAY  
atthesametime. Thedisplaywillshow  
TIME  
FWD  
TIME  
BACK  
coolinganticipation). Usethe  
and  
HEAT18(thisisthefactorypreprogrammed  
heating anticipation setting). You may se-  
lect any anticipation setting from 4 to 40  
(note that for add-on heat pump sys-  
tems, a minimum anticipation setting of  
10 is recommended). Whenever adjusting  
anticipation, increase or decrease the dis-  
played number by only one or two digits,  
then let the system run for a while to see if  
theadjustmentissufficient.Iftheheatcycles  
TIME  
buttons to adjust anticipation. To set auxil-  
SET  
CLOCK  
ADV  
DAY  
iary heat anticipation, press  
and  
at the same time again. The display will  
show AUX 8 (factory preprogrammed cool-  
TIME  
FWD  
TIME  
BACK  
ing anticipation). Use the  
and  
RUN  
PRGM  
buttons to adjust anticipation. Press  
return to your program.  
to  
LOW BATTERY INDICATOR — The word  
BATTERY will flash on the display if the 9  
volt alkaline battery is low and should be  
replaced.  
are too short, press  
to increase the  
FWD  
cycle time. If the heat cycles are too long,  
TIME  
BACK  
press  
to decrease the cycle time. To  
SET  
set cooling anticipation, press  
and  
CLOCK  
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AUDIO PROMPTING — Each time you  
pressabutton,thethermostatwillbeep(this  
feature works only when the thermostat is  
attached to the wall and 24vAC power is  
present to the thermostat).  
between heat pump heating and cooling  
cycles. The following may cause a time  
delay in COOL:  
a) Return of power after a power outage.  
BACKLIT DISPLAY — When you press  
any button on the thermostat, the display is  
lit for approximately eight seconds (this fea-  
ture works only when the thermostat is  
attached to the wall and 24vAC power is  
present to the thermostat).  
SYSTEM  
SWITCH  
b) Pressing  
to change operating  
modes.  
c) Pressing  
or , creating a call  
for HEAT or COOL too soon after a  
previous call.  
COMPRESSOR LONG TERM CYCLE  
PROTECTION — If your system begins to  
operate too soon after an extended power  
outage, the compressor may be damaged  
due to crankcase oil temperature change.  
This thermostat has a built-in time delay of  
one hour less than the length of the power  
loss (up to 12 hours). When power is re-  
SYSTEM INDICATOR LIGHTS — The four  
lights on the upper right part of the thermo-  
stat indicate system operation (see PARTS  
OF THE THERMOSTAT).  
COMPRESSORSHORTCYCLEPROTEC-  
TION — To protect your compressor from  
potential damage due to rapid cycling, this  
thermostat has a built-in delay of 5 minutes  
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stored to the system, heaters in the system  
will begin to heat the crankcase oils. The  
NOTE  
thermostat's time delay will lock out the Programming should be completed and bat-  
compressortopreventitsoperationuntilthe tery should be installed before changing op-  
compressor oil is sufficiently warmed. Dur- tion switch #3.  
ing the lockout time period, the auxiliary  
heating system will operate to maintain a  
ON  
setpoint temperature.  
1
2
3
4
For example, if a power outage of three  
hoursoccurs, thecompressorwillbelocked  
out for two hours.  
Switch #1 set at installation (DO NOT CHANGE)  
Switch #2 set at installation (DO NOT CHANGE)  
Switch #3 ON  
TOTAL KEYPAD LOCKOUT — When op-  
tion switch #3 is in the total keypad lockout  
position (ON), programs cannot be altered  
and all buttons are disabled.  
Switch #4 (see AUTOMATIC CHANGEOVER)  
Switches #1 and #2 are set at installation  
and should not be changed. To enable total  
keypad lockout, move option switch #3 to  
ON (see figure above). DO NOT MOVE  
OPTIONSWITCHES#1OR#2,asthismay  
affect thermostat operation [option switch  
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#4 enables/disables automatic changeover  
disable total keypad lockout, move option  
(see AUTOMATIC CHANGEOVER)]. To  
switch #3 to 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.  
PLANNING FOR YOUR NEEDS  
First, answer the following questionsto help you  
decide what your needs are. If you are using the  
thermostatforacommercialapplication(astore,  
officebuilding,etc.),answerquestions1through  
4. If you are using the thermostat in your home,  
answer questions 5 through 8.  
For maximum comfort and efficiency, keep the  
following guidelines in mind when planning your  
program.  
• When heating (cooling) your building, pro-  
gramthetemperaturestobecooler(warmer)  
when the building is vacant or during peri-  
ods of low activity.  
FOR COMMERCIAL APPLICATIONS:  
1a. What time does the first person arrive at the  
building in the morning?  
• During early morning hours, the need for  
cooling is usually minimal.  
b. What temperature should the building be at  
this time? (heating? cooling?)  
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2a. What time do the building occupants reach 6a. What time does the last person leave the  
amaximumactivitylevel(usinglights,equip-  
ment, meeting rooms, etc.)?  
b. What temperature should the building be at  
this time?  
3a. What time do the building occupants reach  
a minimum activity level (limited personnel  
in building)?  
house in the morning?  
b. What temperature should the house be at  
this time?  
7a. What time does the first person arrive home  
in the evening?  
b. What temperature should the house be at  
this time?  
b. What temperature should the building be at  
this time?  
8a. What time does the last person go to bed at  
night?  
4a. Whattimedoesthebuildingbecomevacant?  
b. What temperature should the building be at  
this time?  
b. What temperature should the house be at  
this time?  
Now look at the factory preprogrammed times  
and temperatures shown on the following page.  
IN YOUR HOME:  
5a. What time does the first person get up in the If this program will suit your needs, simply press  
morning?  
RUN  
PRGM  
to begin running the factory preset pro-  
b. What temperature should the house be at  
gram.  
this time?  
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FACTORY PREPROGRAMMING  
Cooling Program for ALL Days of the Week:  
Heating Program for ALL days of the Week:  
TEMP  
78°F  
82°F  
78°F  
78°F  
PERIOD  
TIME  
TEMP  
70°F  
70°F  
70°F  
64°F  
PERIOD  
TIME  
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  
Your  
Selected  
Temperature  
Factory  
Preprogrammed  
Temperature  
If you want to change the preprogrammed times  
and temperatures, follow these steps.  
Temperature  
Designation  
HEAT A  
HEAT B  
HEAT C  
HEAT D  
70°F  
64°F  
---  
1. Determine the heating and cooling tem-  
peratures you want to use. You may select  
up to four heating temperatures (HEAT A,  
HEAT B, HEAT C, and HEAT D), and up to  
fourcoolingtemperatures(COOLA, COOL  
B, COOL C, COOL D). Use the table at the  
right to write down the temperatures you  
have selected.  
---  
COOL A  
COOL B  
COOL C  
COOL D  
78°F  
82°F  
---  
---  
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Also keep in mind that, for any given day,  
you can only program one set of times for  
bothheatingandcooling(forexample,ifyou  
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). How-  
ever, youmaychoosedifferenttimeperiods  
for each day separately (for example, heat-  
ing/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 pro-  
grammed.  
NOTE  
To operate properly in the AUTO mode, there  
must be a minimum 1°F separation between  
the highest heat temperature and the lowest  
cool temperature (see diagram below).  
79  
78  
77  
COOLING TEMPERATURES  
76 DEAD BAND 1°F  
75  
74  
73  
HEATING TEMPERATURES  
2. Determine the time periods during which  
youwillprogramthetemperaturesyouhave  
just selected. You must program 4 periods  
for each day (periods 1, 2, 3 & 4). However,  
you may use the same heating and cooling  
temperatures for consecutive time periods.  
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Heating/Cooling Schedule Plan  
THIS THERMOSTAT ALLOWS ONE SET OF TIMES FOR BOTH HEATING AND COOLING  
Period 1  
Period 2  
Period 3  
Period 4  
Heat Cool  
Heat Cool  
Heat Cool  
Heat Cool  
Time Temp. Temp. Time Temp. Temp. Time Temp. Temp. Time Temp. Temp.  
Monday  
Tuesday  
Wednesday  
Thursday  
Friday  
Saturday  
Sunday  
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Joe's Restaurant  
Closed Mon.  
Open Tues.-Sat. 10:30 AM–10:00 PM  
Open Sun. 6:30 AM–2:00 PM  
HEAT A = 65°F COOL A = 80°F  
HEAT B = 68°F COOL B = 78°F  
HEAT C = 70°F COOL C = 76°F  
HEAT D = 72°F COOL D = 74°F  
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)  
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)  
Saturday  
Sunday  
23  
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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  
entering cooling programming). A fresh 9 volt  
Energizer® alkaline battery must be installed to  
perform off-wall programming. BE SURE SYS-  
TEM SWITCH IS SET TO OFF POSITION BE-  
FORE REATTACHING THERMOSTAT TO  
SUBBASE!  
reach the correct minutes.  
SET  
3. Press  
once. The display window will  
CLOCK  
show the hour only.  
EXAMPLE:  
TIME  
FWD  
TIME  
BACK  
4. Press and hold either  
or  
until you  
reachthecorrecthourandAM/PMdesigna-  
tion (AM begins at midnight; PM begins at  
noon).  
You cannot program the thermostat with the  
SYSTEM SWITCH in the AUTO position.  
24  
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SET  
VIEW  
5. Press  
once. The display will show the gramming after this happens, press  
until  
CLOCK  
PRGM  
day of the week as an abbreviation (MO for youareatthepointwhereyoustoppedprogram-  
Monday, TU for Tuesday, etc.).  
ming. hen you may continue to enter your pro-  
gramnormally. Ifyouwanttostopprogramming  
TIME  
FWD  
TIME  
BACK  
6. Press and hold either  
or  
until you  
RUN  
at any time, simply press  
gram operation.  
to resume pro-  
PRGM  
reach the current day of the week.  
RUN  
7. Press  
once. The display will show the  
PRGM  
correct time and room temperature alter-  
nately.  
SYSTEM  
SWITCH  
1. Press  
2. Press  
until HEAT is displayed.  
VIEW  
TEMP  
once. The display will continue  
Program Heating/Cooling Temperatures  
to show HEAT. Below HEAT is the letter A,  
representing the first programmed heating  
temperature (HEAT A). At the right of the  
display is the currently programmed HEAT  
A setting.  
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 alter-  
natingtime/temperaturedisplay.Toresumepro-  
3. Press either  
or  
to change the  
temperature to your selected HEAT A set-  
ting.  
25  
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VIEW  
TEMP  
VIEW  
TEMP  
4. Press  
once. The letter A will change 11. Press  
once. Press  
or  
to  
to the letter B, representing HEAT B.  
set your selected COOL B setting.  
5. Press either or to change the 12. Repeat step 11 to select COOL C and  
temperature to your selected HEAT B set-  
ting.  
6. Repeat steps 4 and 5 to select HEAT C and  
HEAT D temperature settings.  
COOL D temperature settings.  
RUN  
13. Press  
.
PRGM  
Program Heating/Cooling Times and  
Heating Temperatures  
RUN  
PRGM  
7. Press  
8. Press  
9. Press  
.
SYSTEM  
SWITCH  
until COOL is displayed.  
SYSTEM  
SWITCH  
1. Press  
2. Press  
until HEAT is displayed.  
VIEW  
TEMP  
once. The display will show  
VIEW  
PRGM  
once. MO, the abbreviation for  
COOL and A, representing the first pro-  
grammed cooling temperature (COOL A).  
10. Press either  
Monday, and the number 1, representing  
the first heating/cooling period, will appear  
in the display. Also displayed are the cur-  
rently programmed start time for heating/  
cooling period 1 and the currently pro-  
or  
to change the  
temperature to your selected COOL A set-  
ting.  
26  
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grammed HEAT A, B, C, or D temperature 4. IfthetemperaturedisplayedisnottheHEAT  
for heating/cooling period 1.  
A, B, C, or D temperature you want for  
Monday’s period 1, press  
you continue to press  
display will alternately display the HEAT A,  
B, C, or D temperatures you previously  
selected).  
or  
(if  
, the  
EXAMPLE:  
or  
ThisdisplaywindowshowsthatforMonday’s  
heating/cooling period 1, the start time is  
5:00 AM, and 70° is the programmed tem-  
perature (this example reflects factory pre-  
programming, where 70° is the HEAT A  
temperature).  
5. Afterselectingthedesiredheatingtempera-  
ture for heating/cooling Monday’s period 1,  
VIEW  
press  
.Thecurrentlyprogrammedstart  
PRGM  
3. To change the displayed start time to your  
selected start time for Monday’s period 1,  
time and heating temperature for Monday’s  
heating/cooling period 2 will be displayed.  
6. Repeat steps 3 and 4 to select the start time  
andheatingtemperatureforMonday’sheat-  
ing/cooling period 2.  
TIME  
FWD  
TIME  
BACK  
press  
or  
until your selected time  
appears. The time will change in 15 minute  
increments. The time you select will be  
the start time of Monday’s period 1 for  
both heating and cooling.  
7. Repeat steps 3 through 6 for Monday’s  
heating/cooling periods 3 and 4.  
27  
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8. To enter Tuesday’s through Sunday’s heat-  
NOTE  
HOLD  
ing programs, use the  
button (see  
COPY  
Thethermostathasabuilt-inCOPYfeature.  
This feature automatically copies the  
heating and cooling programs you se-  
lect for Monday into Tuesday through  
Sunday’s programs. If you want to have  
the same programming every day, after you  
program Monday’s schedule, you simply  
RUN  
USING THE HOLD/COPY BUTTON), or  
ADV  
DAY  
press  
until the correct day’s abbrevia-  
tion appears in the display. Repeat the  
abovestepstoprogrameachday’sheating/  
cooling periods and heating temperatures.  
9. When you have completed programming  
your heating/cooling periods and heating  
RUN  
press  
to start the thermostat’s pro-  
PRGM  
grammedoperation. Everydaywillthenuse  
the same program you set for Monday.  
temperatures, press  
.
PRGM  
HOLD  
COPY  
You may also choose to use the  
button to copy any day’s heating and cool-  
ing program into any other day’s program  
(see USING THE HOLD/COPY BUTTON).  
28  
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Program Cooling Temperatures  
1. To program cooling temperatures for the  
heating/cooling periods you have already  
SYSTEM  
CAUTION  
!
set, press  
until COOL appears.  
SWITCH  
If outside temperature is below 50°F, we  
recommendthatyouremovethethermo-  
statfromthewallbeforeproceedingwith  
the following steps to program cooling  
temperatures. Personal injury or prop-  
erty damage may occur due to air condi-  
tioner compressor slugging. A fresh 9  
volt Energizer® alkaline battery must be  
installed to perform off-wall program-  
ming. Programming away from the wall  
should prevent accidental compressor  
operation. BE SURE SYSTEM SWITCH  
IS SET TO OFF POSITION BEFORE RE-  
ATTACHINGTHETHERMOSTATTOTHE  
SUBBASE!  
VIEW  
PRGM  
2. Press  
once. The Monday heating/  
cooling period 1 start time you just pro-  
grammed will appear, and the currently pro-  
grammed cooling temperature (A, B, C, or  
D) will be displayed.  
3. Press  
or  
todisplaytheCOOLA,  
B,C,orDtemperatureyouwantforMonday’s  
heating/cooling period 1.  
VIEW  
PRGM  
4. Press  
, then press  
or  
to  
select Monday’s COOL A, B, C, or D tem-  
perature for period 2.  
5. Repeat steps 3 and 4 for Monday’s heating/  
cooling periods 3 and 4.  
29  
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wish to copy FROM. A COPY operation is not  
HOLD  
COPY  
ADV  
DAY  
6. Usethe  
button,orpress  
tochoose  
HOLD  
complete until  
has been pressed TWICE.  
COPY  
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  
RUN  
NOTE  
For most efficient programming, you should  
enter both the heating and cooling programs for  
thedayyouwishtocopyFROMbeforeusingthe  
COPYfunction, sincethe COPYfunctioncopies  
the entire day’s programming to other days.  
programs for all 7 days, press  
to begin  
PRGM  
program operation.  
Using The HOLD/COPY Button  
VIEW  
PRGM  
1. Press  
2. Press  
.
You can copy the entire heating/cooling pro-  
gram into any or all other days’ programs. How-  
ever, you must perform each copy function  
separately. EachtimeyoubeginaCOPYopera-  
tion, you must start with the day’s program you  
ADV  
DAY  
until the day you want to copy  
FROM is displayed. If you have not com-  
pleted programming for this day, do so  
before proceeding.  
30  
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6. Repeat the above steps to copy any day’s  
programming into any other day’s program.  
HOLD  
COPY  
3. Press  
once. COPY will appear on the  
display. A number from 1 to 7 will also  
appear, representing the day you have se-  
lected to copy (Monday is 1, Tuesday is 2,  
Wednesday is 3, etc.). For example, if in  
step 2 you selected to copy Wednesday’s  
HOLD  
RUN  
PRGM  
7. Press  
to begin program operation.  
CHECK YOUR PROGRAMMING  
program, when you press  
, COPY 3  
Follow these steps to check your thermostat  
programming one final time before beginning  
thermostat operation.  
COPY  
will appear in the display (as shown below).  
EXAMPLE:  
ADV  
DAY  
SYSTEM  
SWITCH  
4. Press  
to select the day you want to  
1. Press  
until HEAT is displayed.  
copy the program TO.  
VIEW  
PRGM  
2. Press and hold  
to view the heating/  
HOLD  
5. Press  
. COPY will disappear from the  
COPY  
cooling period times and heating tempera-  
tures for Monday.  
display, andthedisplaywillshowthecopied  
heating/cooling time and temperature for  
the day you copied TO.  
ADV  
3. Press  
once to advance to Tuesday.  
DAY  
31  
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YOURTHERMOSTATISNOWCOMPLETELY  
PROGRAMMEDANDREADYTOAUTOMATI-  
CALLYPROVIDEMAXIMUMCOMFORTAND  
EFFICIENCY!  
VIEW  
PRGM  
4. Pressandhold  
toviewheating/cooling  
periods and heating temperatures for Tues-  
day.  
5. Repeat steps 3 and 4 to review all remain-  
ing days’ programming. If you find an error  
in any day’s programming, go back to the  
programminginstructionstocorrecttheerror.  
SYSTEM  
SWITCH  
Press  
until OFFis displayed. Reattach  
SYSTEM  
SWITCH  
thermostat to subbase. Then press  
to  
select the operation mode you want (HEAT,  
COOL, AUTO).  
RUN  
6. Press  
7. Press  
.
PRGM  
SYSTEM  
until COOL is displayed.  
NOTE  
SWITCH  
8. Repeat steps 2 through 5 to check cooling  
temperatures.  
When you have completed programming, you  
maysetoptionswitch#3 (seeTOTALKEYPAD  
LOCKOUT in the OPERATING FEATURES  
section).  
RUN  
9. Press  
to begin program operation.  
PRGM  
32  
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QUESTIONS AND ANSWERS  
1. How can I permanently change a part of  
whichmeansthetemperaturewillnotchange  
from COOL A when period 2 begins. See  
PROGRAMMING YOUR THERMOSTAT.  
my program?  
VIEW  
PRGM  
Press  
until you reach the time/tem-  
3. How can I finish my programming if the  
display has already changed to time/  
temperature?  
perature schedule you want. Then press  
TIME  
FWD  
TIME  
BACK  
or  
and  
and  
to change  
During programming, if no buttons are  
pressed for five minutes, the thermostat will  
enter the HOLD mode and maintain a con-  
stant temperature. The display will change  
to the time/temperature mode. To resume  
VIEW  
the program (remember, when you change  
the time, you are changing it for both the  
heating and cooling programs). See PRO-  
GRAMMING YOUR THERMOSTAT.  
2. How can I have no change in tempera-  
ture from one time period to another?  
Simply select the same temperature for  
eachconsecutivetimeperiod. Forexample,  
youmayselectthesameCOOLA tempera-  
ture for period 2 as you did for period 1,  
programming, press  
until you return to  
PRGM  
the point where you stopped programming.  
Then you may continue to program the  
thermostat normally. If you want to stop  
33  
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5. Why can’t I program the thermostat in  
the AUTO mode?  
RUN  
PRGM  
programming at this point, press  
to  
startthenormalprogramfunction.SeePRO-  
GRAMMING YOUR THERMOSTAT.  
The thermostat can only be programmed in  
the HEAT and COOL modes. See PRO-  
GRAMMING YOUR THERMOSTAT.  
4. What happens if the electricity goes off  
or is manually shut off?  
6. What can cause the thermostat display  
to freeze or go blank?  
If you have not installed a 9 volt alkaline  
battery, the display will go blank and the  
program will be lost in five seconds. When  
electricity is restored, the thermostat will  
maintain a heating temperature of 64°F and  
a cooling temperature of 82°F until you  
reenter your program. Setpoint tempera-  
ture will not be displayed.  
A completely blank display may indicate  
that power has been lost to the thermostat  
and the backup battery is also dead. How-  
ever, if there is power to the thermostat and  
the display is blank or frozen, static dis-  
charge 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 ther-  
mostat. This may cause the program to be  
lost or the thermostat to display incorrectly.  
To correct this, remove the thermostat from  
If a fresh 9 volt Energizer® alkaline battery is  
installed, the program will be maintained for  
about one week with no 24vAC power  
present to the thermostat. See OPERAT-  
ING YOUR THERMOSTAT.  
34  
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the wall and remove the battery for at least  
two minutes. After reinstalling the battery,  
the thermostat will revert to the factory pre-  
set program until you reprogram the ther-  
mostat. If you don’t want to reprogram the  
SYSTEM  
least 1°F lower than the lowest cooling  
setpoint temperature you select (for ex-  
ample, if 70°F is your lowest selected cool-  
ing temperature, you cannot select a heat-  
ing temperature any higher than 68°F). If  
such a conflict exists, set the lowest cooling  
temperature higher in order to set the heat-  
ing temperature higher. To set a lower cool-  
ing temperature, you must select a lower  
heatingtemperature.SeePROGRAMMING  
YOUR THERMOSTAT.  
thermostat immediately, press  
un-  
SWITCH  
til OFF is displayed and replace the thermo-  
RUN  
PRGM  
stat on the wall. Then press  
the factory preset program.  
to begin  
To prevent further static discharge prob-  
lems, touch another object to release static  
build-up before touching the thermostat.  
See OPERATING YOUR THERMOSTAT.  
8. Why doesn’t the display light come on  
when I press a button? Why don’t I hear  
a beep when I press a button?  
Thedisplaylightandaudioprompting(beep)  
onlyworkwhenthethermostatisonthewall  
and 24vAC power is present to the thermo-  
stat. See OPERATING YOUR THERMO-  
STAT.  
7. 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  
35  
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9. The display is flashing BATTERY. What  
does this mean?  
CAUTION  
!
If the outside temperature is below 50°F,  
DONOTusethe buttontomovethe  
temperaturebelowthesetpointtempera-  
ture. Property damage may result due to  
compressor slugging.  
The 9 volt battery installed in the thermostat  
is low and should be replaced with a fresh 9  
voltEnergizer® alkalinebattery. SeeOPER-  
ATING YOUR THERMOSTAT.  
10. Why won’t the system turn on, even  
though the thermostat display is func-  
tioning normally?  
11. Why doesn’t the temperature change at  
the time I programmed?  
Either the compressor lockout feature is in  
operation or the thermostat is not currently  
callingforheatorcool.Waitabout5minutes  
for the compressor lockout to expire. If the  
system is still not running, read the caution-  
ary statement at the right. Then, if condi-  
There are a number of causes for this situ-  
ation. The following are primary reasons.  
TheEMRfunctionisoperating.TheEMR  
function will automatically turn on the  
system early enough to bring the tem-  
perature to the selected level by the  
beginning of the next program period.  
SeeOPERATINGYOURTHERMOSTAT.  
tionspermit,usethe  
or  
buttons  
tomovethetemperatureaboveorbelowthe  
setpoint temperature. See OPERATING  
YOUR THERMOSTAT.  
36  
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You have programmed the incorrect day 13. Why is the system turning on and off so  
or time. Check your programming (be  
sure that the times you programmed are  
correct AM or PM times). See PRO-  
GRAMMING YOUR THERMOSTAT.  
The thermostat is in the HOLD mode.  
RUN  
frequently (seldom)?  
The anticipation setting is too low (high). To  
change anticipation settings, see OPER-  
ATING YOUR THERMOSTAT.  
14. Between heating and cooling seasons, I  
want to turn my system off. Can I do this  
without affecting my thermostat pro-  
gramming?  
Press  
tostartprogramoperation.See  
PRGM  
OPERATING YOUR THERMOSTAT.  
The compressor lockout feature is oper-  
ating; wait about 5 minutes for system to  
begin running. See OPERATING YOUR  
THERMOSTAT.  
Any time you wish to turn your system off,  
SYSTEM  
press  
until the display shows OFF.  
SWITCH  
This will not affect your thermostat's pro-  
gramming in any way. To turn the system  
SYSTEM  
12. Why does the blower fan keep running  
after the system has turned off?  
The blower delay feature is operating. This  
energy saving feature continues to blow  
conditioned air through the ducts after the  
systemhasturnedoff, ratherthanlettingthe  
air dissipate.  
back on, press  
until HEAT, COOL,  
SWITCH  
etc. is displayed. The system will automati-  
cally begin operating according to the cur-  
rent thermostat program, unless the ther-  
37  
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mostat is in the HOLD mode. See OPER-  
ATING YOUR THERMOSTAT.  
tery installed or if the installed battery is  
dead. If you are changing the battery after  
seeing a flashing BATTERY on the display,  
the installed battery may be dead. If you  
remove the old battery and install a fresh  
one within one minute, you may not lose  
your thermostat programming. After install-  
ing a new battery, follow the procedures in  
CHECK YOUR PROGRAMMING to deter-  
mine whether your programming was main-  
tained.Ifthethermostatmaintainsprogram-  
SYSTEM  
15. 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 instruc-  
tions for setting current time and day. See  
ENTERING YOUR PROGRAM. Thermo-  
stat programming is not affected when you  
change the clock.  
ming, press  
until OFF is displayed,  
SWITCH  
16. Do I have to reprogram my thermostat  
after I change the battery?  
put the thermostat back on the wall, press  
SYSTEM  
SWITCH  
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 ap-  
to select the operating mode you  
RUN  
want, then press  
to start program  
PRGM  
operation. If programming is lost, you must  
reprogramthethermostat.SeePROGRAM-  
MING YOUR THERMOSTAT.  
proximately one minute if there is no bat-  
38  
WARRANTY INFORMATION  
THIS WARRANTY STATEMENT SUPERSEDES ALL WARRANTY  
STATEMENTS DATED PRIOR TO OCTOBER 1, 1991.  
This warranty extends only to persons or organizations who purchase the  
Products for resale. THE FOREGOING CONSTITUTES SELLER’S SOLE  
RESPONSIBILITY UNDER THIS WARRANTY, AND PURCHASER’S  
EXCLUSIVE REMEDY FOR THE BREACH THEREOF. EXCEPT AS  
OTHERWISE EXPRESSLY SET FORTH IN THIS AGREEMENT, THERE ARE  
NO OTHER WARRANTIES, EXPRESS OR IMPLIED, WHETHER OF  
White-Rodgers Division of Emerson Electric Co. (“Seller”) warrants that its  
products purchased for resale (the “Products”) will be free from defects in  
material and workmanship under normal use and service for a period of twelve  
(12) months from date of installation. Seller’s obligation under this warranty, and  
Purchaser’s exclusive remedy for the breach thereof, shall be limited to, at  
Seller’s option, Seller’s replacement of any defective Product F.O.B. Seller’s  
factory (excluding the cost of labor and any other expenses incurred in servicing  
the unit on which the Product is installed), or Seller’s issuance of a credit in the  
amount of the purchase price of such Product for resale as described below.  
Seller shall have the option of requiring the return of any defective Product,  
transportation charges prepaid, before recognizing any claim. This warranty  
shall not apply to any Product (1) which has been repaired or altered outside  
Seller’s factory by other than Seller in any manner so as, in Seller’s judgment,  
to affect its serviceability or proper operation; (2) which has been subjected by  
persons other than Seller to improper handling, operation, maintenance, repair  
oralteration;or(3)whichhasbeensubjectedtomisuse, negligence, oraccident.  
MERCHANTABILITY, FITNESS FOR  
A PARTICULAR PURPOSE, OR  
OTHERWISE.SELLERSHALLNOTBELIABLEFORANYSPECIAL,INDIRECT,  
INCIDENTAL OR CONSEQUENTIAL DAMAGES OF ANY CHARACTER IN  
CONNECTION WITH THE SALE, RESALE OR USE OF THE PRODUCTS.  
Completewarrantyinformationandinstructionsforreplacing/returningwarranty  
products can be found in the White-Rodgers Product Catalog, or by telephoning  
or writing to:  
White-Rodgers Division  
Emerson Electric Co.  
9797 Reavis Road  
St. Louis, Missouri 63123-5398  
(314) 577-1300  
WARRANTY INFORMATION FOR CONSUMERS  
When you purchase a White-Rodgers Division product, it is typically for  
replacement of a device which has failed on existing residential or commercial  
equipment, or a component of new equipment purchased for modernization.  
While our warranty does not extend to you, your contractor or dealer is protected  
by a one-year product warranty from White-Rodgers. Your supplier can rely on  
a nearby White-Rodgers wholesaler for prompt credit or replacement.  
39  
href="
Ifyouneedfurtherinformationonprogrammingoroperation, youmaywrite  
to our Technical Service Department at the address shown below.  
WHITE-RODGERS DIVISION  
EMERSON ELECTRIC CO.  
9797 REAVIS ROAD  
Part No. 37-4743B  
Replaces 37-4743A  
9310  
ST. LOUIS, MISSOURI 63123-5398  
R

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