White Rodgers Thermostat 1F80 71 User Manual

1F80-71  
Programmable Electronic  
Digital Automatic Changeover Single Stage Thermostat  
INSTALLATION AND  
WHITE-RODGERS  
OPERATION INSTRUCTIONS  
Operator: Save these instructions for future use!  
FAILURE TO READ AND FOLLOW ALL INSTRUCTIONS CAREFULLY  
BEFORE INSTALLING OR OPERATING THIS CONTROL COULD CAUSE  
PERSONAL INJURY AND/OR PROPERTY DAMAGE.  
DESCRIPTION  
Your new White-Rodgers 5-Day/2-Day Single Stage 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.  
• Optional Energy Management Recovery (EMR)  
• Optional B and O terminals  
• Preprogrammed temperature control  
• LCD continuously displays set point, and alternately dis-  
plays time and room temperature  
• Temperature override until next program period  
• Manual program override (HOLD temperature)  
°F/°C convertibility  
Features:  
• Separate 5-day (weekday) and 2-day (weekend) programming  
with four separate time/temperature periods per program  
• Temperature range 45° to 90°F  
• Keypad lockout  
• Armchair programming capability  
• Simultaneous heat and cool program storage  
• Automatic changeover  
• Optional C terminal (dual power option)  
PRECAUTIONS  
CAUTION  
Thisthermostatisintendedforusewitha24-voltsystem;donot  
use this thermostat with a millivolt or line voltage system. If in  
doubt about whether your wiring is millivolt, line, or low voltage,  
have it inspected by a qualified heating and air conditioning  
contractor or electrician.  
!
To prevent electrical shock and/or equipment damage  
disconnect electric power to system at main fuse or  
circuit breaker box until installation is complete.  
Do not exceed the specification ratings.  
WARNING  
!
Allwiringmustconformtolocalandnationalelectricalcodesand  
ordinances.  
Do not use on circuits exceeding specified voltage.  
Higher voltage will damage control and could cause  
shock or fire hazard.  
This control is a precision instrument, and should be handled  
carefully. Roughhandlingordistortingcomponentscouldcause  
the control to malfunction.  
Do not short out terminals on gas valve or primary  
control to test. Short or incorrect wiring will damage  
thermostat and could cause personal injury and/or  
property damage.  
SPECIFICATIONS  
ELECTRICAL DATA  
APPLICATIONS  
Electrical Rating:  
For use with:  
8 to 30 VAC 50/60 Hz. or D.C.  
0.05 to 1.5 Amps (Load per terminal)  
1.5 Amps Maximum Total Load (All terminals combined)  
Standard heat/cool or heat only systems  
Electric heat systems  
Gas or oil fired systems  
Gas systems with intermittent ignition devices (I.I.D.)  
and/or vent dampers  
Hydronic (hot water or steam) systems  
THERMAL DATA  
Setpoint Temperature Range:  
45°F to 90°F (7°C to 32°C)  
Operating Ambient Temperature Range:  
32°F to 105°F  
Operating Humidity Range:  
0 to 90% RH (non-condensing)  
Shipping Temperature Range:  
-40°F to 150°F  
DO NOT USE WITH:  
Multi-stage systems  
Systems exceeding 30 VAC and 1.5 amps  
Millivolt systems  
3-wire zoned hydronic heating systems  
WHITE-RODGERS DIVISION  
PART NO. 37-6120A  
EMERSON ELECTRIC CO.  
9797 REAVIS ROAD  
Printed in U.S.A.  
9934  
ST. LOUIS, MISSOURI 63123-5398  
 
NOTE  
NOTE  
The following wiring diagrams show typical terminal identifica- Relay contacts shown are thermostatically operated.  
tion and wiring. For proper installation, refer to the original  
manufacturer's instructions.  
* The 24 Volt neutral connection  
to terminal C on the thermostat  
is not required if you replace  
Thermostat  
the batteries once a year with  
Control  
fresh “AA” Energizer® alkaline  
batteries.  
Circuit  
THERMOSTAT  
C*  
R
B
O
Y
G
W
SYSTEM  
Energized  
in HEAT  
Cooling  
System  
Heating  
System  
Hot  
24 VAC  
120 VAC  
Neutral  
Fan  
Energized  
in COOL  
Relay  
TRANSFORMER  
Figure 3. Typical wiring diagram for single transformer systems  
* The 24 Volt neutral connection  
to terminal C on the thermostat  
is not required if you replace  
the batteries once a year with  
fresh “AA” Energizer® alkaline  
batteries.  
Thermostat  
Control  
Circuit  
THERMOSTAT  
SYSTEM  
CUT AND  
TAPE OFF!  
B
C*  
R
Y
G
O
W
Hot  
Cooling  
System  
Energized  
in COOL  
Heating  
System  
120 VAC  
24 VAC  
Hot  
Neutral  
24 VAC  
120 VAC  
Neutral  
TRANSFORMER  
Energized  
in HEAT  
Fan  
Relay  
TRANSFORMER  
TWO COMMONS MUST  
BE JUMPERED TOGETHER!  
Figure 4. Typical wiring diagram for two-transformer systems with NO safety circuits  
* The 24 Volt neutral connection  
Thermostat  
to terminal C on the thermostat  
Control  
is not required if you replace  
Circuit  
the batteries once a year with  
fresh “AA” Energizer® alkaline  
THERMOSTAT  
SYSTEM  
batteries.  
B
C*  
R
Y
G
O
W
Heating  
System  
Cooling  
System  
Energized  
in COOL  
Limit or  
Safety  
Switches  
Limit or  
Safety  
Switches  
Hot  
24 VAC  
120 VAC  
Neutral  
Energized  
in HEAT  
Fan  
24 VAC  
Accessory  
Relay N.O.  
Contact  
HEATING  
TRANSFORMER  
Relay  
Common  
Limit or  
Safety  
Switches  
Limit or  
Safety  
Switches  
Hot  
TWO COMMONS MUST  
BE JUMPERED TOGETHER!  
24 VAC  
120 VAC  
Common  
Neutral  
COOLING  
TRANSFORMER  
Figure 5. Typical wiring diagram for two-transformer systems with safety circuits in BOTH systems  
3
 
CHECK THERMOSTAT OPERATION  
LOCKOUT BYPASS OPTION  
NOTE  
FOR QUALIFIED SERVICE TECHNICIANS’ USE  
ONLY.OPERATORSSHOULDNOTUSETHISFEA-  
TURE DUE TO POSSIBILITY OF EQUIPMENT OR  
PROPERTY DAMAGE, OR PERSONAL INJURY.  
If at any time during testing, your system does not operate  
properly, contact a qualified serviceperson.  
Fan Operation  
1. Turn on power to the system.  
COMPRESSOR SHORT TERM  
CYCLE PROTECTION  
2. Press SYSTEM button until the system is OFF.  
3. MoveFANswitchtoON.Theblowershouldbegintooperate.  
4. Move FAN switch to AUTO position. The blower should stop  
This thermostat has a built-in short term (5-minute)  
time delay. During this 5-minute period, the thermo-  
stat will lock out the compressor to allow head pres-  
sure to stabilize. If you want to override this feature  
within a short period of time.  
Heating System  
1. Press SYSTEM button until HEAT is displayed. Iftheheating  
while testing thermostat operation, simply press  
system has a standing pilot, be sure to light it.  
and  
buttons at the same time.  
2. Press  
to adjust thermostat setting above room tempera-  
ture. The heating system should begin to operate.  
DO NOT USE THE LOCKOUT BYPASS OPTION  
UNLESSTHECOMPRESSOROILHEATERSHAVE  
BEEN OPERATIONAL FOR 6 HOURS AND THE  
SYSTEM HAS NOT BEEN OPERATIONAL FOR AT  
LEAST 5 MINUTES.  
3. Press  
to adjust temperature setting below room tem-  
perature. The heating system should stop operating.  
Cooling System  
This thermostat has a built-in short-term (5-minute) time delay.  
This feature is activated after the compressor shuts down and  
the setpoint is changed within the 5-minute period. During this  
5-minute period, COOL will flash on the display indicating that  
the thermostat has locked out the compressor to allow head  
pressure to stabilize. This thermostat does not sense AC power  
loss and therefore does not activate the short term compressor  
protection feature when power is restored.  
CAUTION  
!
Topreventcompressorand/orpropertydamage, ifthe  
outdoor temperature is below 50°F, DO NOT operate  
the cooling system.  
1. Press SYSTEM button until COOL is displayed.  
2. Press  
to adjust thermostat setting below room tempera-  
ture.Theblowershouldcomeonimmediatelyonhighspeed,  
followed by cold air circulation  
3. Press  
to adjust temperature setting above room tem-  
perature. The cooling system should stop operating.  
4
 
OPERATION  
Before you begin programming your thermostat, you should be  
familiarwithitsfeaturesandwiththedisplayandthelocationand  
operation of the thermostat buttons. Your thermostat consists of  
two parts: the thermostat cover and the base. To remove the  
cover, gently pull it straight out from the base. To replace the  
cover, line up the cover with the base and press gently until the  
cover snaps onto the base.  
1
2
THE THERMOSTAT BASE  
SET TIME VIEW PRGM RUN PRGM HOLD TEMP  
SYSTEM  
FAN ON  
AUTO  
Other than  
and  
, the following buttons and switches are  
COOL-OFF-HEAT-AUTO  
located behind the door on the bottom of the thermostat cover  
(see fig. 6). Pull the door down to open it.  
The Thermostat Buttons and Switches  
3
4
5
6
7
8
(Red arrow) Raises temperature setting.  
(Blue arrow) Lowers temperature setting.  
SET TIME button.  
1
2
3
4
5
6
7
8
9
10  
11  
9
MO TU WE TH FR  
P
SA SU  
HEAT ON  
11  
LK  
COOL ON  
VIEW PRGM (program) button.  
RUN PRGM (program) button.  
HOLD TEMPerature button.  
BATT HOLD AUTO  
15 14  
13 12 10 10  
Figure 6. Thermostat display, buttons, and switches  
SYSTEM button (COOL, OFF, HEAT, AUTO).  
FAN switch (ON, AUTO).  
AUTOMATIC CHANGEOVER —If you have a heating/  
cooling system, you can set the thermostat to automatically  
switch from heat to cool as needed to maintain setpoint  
temperature. To select this mode, press SYSTEM button  
until AUTO is displayed along with HEAT or COOL, iden-  
tifying the program automatically selected.  
The Display  
Indicates day of the week.  
9
HEAT is displayed when the SYSTEM button has been  
10  
pressed to put the thermostat in the HEAT mode. COOL is  
displayed when the SYSTEM button has been pressed to  
put the thermostat in the COOL mode. COOL is displayed  
(flashing) when the compressor is in lockout mode. AUTO  
is displayed when the SYSTEM button has been pressed to  
put the thermostat in the automatic changeover (AUTO)  
mode. ON indicates that the heating or cooling system is  
running.  
In AUTO mode, pressing  
and  
at the same time will  
change the displayed setpoint temperature to the setpoint  
of the other mode (HEAT or COOL). This allows you to  
change both the HEAT and COOL setpoints, if desired.  
TOTAL KEYPAD LOCKOUT — This security feature al-  
lows you to lock out the thermostat buttons to prevent  
unauthorized tampering. To select this feature after pro-  
gramming, pressSETTIMEandRUNPRGMbuttonsatthe  
same time and hold until LK is displayed. To unlock the  
thermostat, press SET TIME and RUN PRGM buttons at  
the same time until LK is no longer displayed.  
Alternately displays current time and temperature.  
11  
12  
The word HOLD is displayed when the thermostat is in the  
HOLD mode.  
TEMPERATURE OVERRIDE — Press  
or  
until the  
BATT is displayed when approximately 70% of battery life  
13  
14  
display shows the temperature you want. The thermostat  
will override current programming and keep the room  
temperature at the selected temperature until the next  
program period begins. Then the thermostat will automati-  
cally revert to the program.  
HOLD TEMPERATURE — The thermostat can hold any  
temperaturewithinitsrangeforanindefiniteperiod, without  
revertingtotheprogrammedtemperature. PresstheHOLD  
TEMP button. HOLD will be displayed. Then choose the  
has been exhausted.  
Displays currently programmed set temperature (this is  
blank when SYSTEM button has been pressed to turn the  
system OFF).  
LK is displayed when keypad lockout has been activated.  
15  
OPERATING FEATURES  
Now that you are familiar with the thermostat buttons and  
display, read the following information to learn about the many  
features of the thermostat.  
desired hold temperature by pressing  
or  
. The ther-  
mostat will hold the room temperature at the selected  
setting until you press RUN PRGM button to start program  
operation again.  
SIMULTANEOUS HEATING/COOLING PROGRAM  
STORAGEWhenprogramming,youcanenterbothyour  
heating and cooling programs at the same time. There is no  
need to reprogram the thermostat at the beginning of each  
season.  
°F/°C CONVERTIBILITY — Press SET TIME and HOLD  
TEMPbuttonsuntilthetemperaturedisplayisinCelsius.To  
display Fahrenheit, repeat the process.  
(Instructions continue on page 6.)  
5
 
TEMPERATURE DISPLAY ADJUSTMENT — Your new Usethetableatthebottomofthepagetoplanyourprogramtime  
thermostathasbeenaccuratelysetinourfactory.However, periods,andthetemperaturesyouwantduringeachperiod.You  
if you wish, you may adjust your new thermostat tempera- may also want to look at the sample program table to get an idea  
ture display to match your old thermostat. This can be of how the thermostat can be programmed.  
accomplished (within a ±4°F range) as follows:  
1. Press VIEW PRGM and HOLD TEMP buttons at the  
same time.  
Entering Your Program  
Follow these steps to enter the heating and cooling programs  
you have selected.  
2. Press  
or  
to adjust the displayed temperature to  
your desired setting.  
3. PressRUNPRGMtoresumenormalprogramoperation.  
Set Current Time and Day  
1. Press SET TIME button once. The display will show the hour  
only.  
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.  
For maximum comfort and efficiency, keep the following guide-  
lines in mind when planning your program.  
P
EXAMPLE:  
2. Press and hold either  
or  
until you reach the correct  
• When heating (cooling) your building, program the tem-  
peratures to be cooler (warmer) when the building is vacant  
or during periods of low activity.  
hour (the letter P should be displayed for PM time, which  
begins at noon).  
3. Press SET TIME once. The display window will show the  
minutes only.  
• During early morning hours, the need for cooling is usually  
minimal.  
Look at the factory preprogrammed times and temperatures  
shown below. If this program will suit your needs, simply press the  
RUN PRGM button to begin running the factory preset program.  
EXAMPLE:  
FACTORY PREPROGRAMMING  
4. Press and hold either  
minutes.  
or  
until you reach the correct  
Cooling Program for  
ALL Days of the Week:  
Heating Program for  
ALL days of the Week:  
TEMP  
PERIOD  
TIME  
TEMP  
PERIOD  
1st  
2nd  
3rd  
4th  
TIME  
5. Press SET TIME once. The display will show the day of the  
week.  
70°F  
62°F  
70°F  
62°F  
1st  
2nd  
3rd  
4th  
6:00 AM  
8:00 AM  
5:00 PM  
10:00 PM  
6:00 AM  
8:00 AM  
5:00 PM  
10:00 PM  
78°F  
85°F  
78°F  
82°F  
6. Press  
or  
until you reach the current day of the week.  
7. Press RUN PRGM once. The display will show the correct  
time and room temperature alternately.  
If you want to change the preprogrammed times and tempera-  
tures, follow these steps.  
Determine the time periods and heating and cooling tempera-  
tures for your weekday and weekend programs. You must  
program four periods for both the weekday and weekend pro-  
gram. However, you may use the same heating and cooling  
temperatures for consecutive time periods. You can choose  
start times, heating temperatures, and cooling temperatures  
independently for both weekday and weekend programs (for  
example, you may select 5:00 AM and 70° as the weekday 1st  
period heating start time and temperature, and also choose  
7:00 AM and 76° as the weekday 1st period cooling start time  
and temperature).  
Enter Heating Program  
1. If you want to change the display from Fahrenheit to Celsius  
(or vice-versa), press SET TIME and HOLD TEMP at the  
same time.  
2. Press the SYSTEM button until HEAT is displayed.  
3. Press VIEW PRGM once. “MO TU WE TH FR” (indicating  
weekday program) will be displayed. Also displayed are  
the currently programmed start time for the 1st heating  
period and the currently programmed temperature  
(flashing).  
SAMPLE  
Heating/Cooling Schedule Plan  
Heating/Cooling Schedule Plan  
WEEKEND (2 DAY)  
WEEKDAY (5 DAY)  
WEEKEND (2 DAY)  
WEEKDAY (5 DAY)  
Start  
Time  
Start  
Time  
Start  
Time  
Start  
Time  
Period  
Temperature  
Temperature  
Period  
Temperature  
Temperature  
1ST HEAT  
1ST HEAT  
5:30 AM  
68°F  
7:00 AM  
11:00 AM  
6:00 PM  
11:30 PM  
7:00 AM  
12:30 PM  
6:00 PM  
11:30 PM  
68°F  
2ND HEAT  
3RD HEAT  
4TH HEAT  
1ST COOL  
2ND COOL  
3RD COOL  
4TH COOL  
2ND HEAT 8:00 AM  
3RD HEAT 5:00 PM  
4TH HEAT 10:30 PM  
1ST COOL 6:30 AM  
2ND COOL 2:00 PM  
3RD COOL 5:00 PM  
4TH COOL 10:30 PM  
65°F  
70°F  
65°F  
76°F  
78°F  
72°F  
78°F  
70°F  
70°F  
65°F  
76°F  
74°F  
72°F  
78°F  
6
 
MO TU WE TH FR  
CHECK YOUR PROGRAMMING  
EXAMPLE:  
Follow these steps to check your thermostat programming one  
final time before beginning thermostat operation.  
This display window shows that for the 1st weekday period,  
the start time is 6:00 AM, and 70° is the programmed  
temperature(thisexamplereflectsfactorypreprogramming).  
1. Press SYSTEM button until HEAT is displayed.  
2. Press VIEW PRGM to view the 1st weekday heating period  
time and temperature. Each time you press VIEW PRGM,  
the next heating period time and temperature will be dis-  
played in sequence for weekday, then weekend program  
periods(youmaychangeanytimeortemperatureduringthis  
procedure).  
4. Press  
or  
to change the displayed temperature to your  
selected temperature for the 1st heating program period.  
5. Press SET TIME once (the programmed time will flash).  
Press  
or  
untilyourselectedtimeisdisplayed. Thetime  
3. Press RUN PRGM.  
will change in 15 minute increments. When your selected  
time is displayed, press SET TIME again to return to the  
change temperature mode.  
4. Press SYSTEM button until COOL is displayed.  
5. Repeat step 2 to check cooling temperatures.  
6. Press RUN PRGM to begin program operation.  
6. Press VIEW PRGM once. The currently programmed start  
time and setpoint temperature for the 2nd heating program  
period will be displayed.  
7. Press SYSTEM button to select HEAT, COOL, or AUTO  
mode.  
7. Repeat steps 4 and 5 to select the start time and heating  
temperature for the 2nd heating program period.  
YOUR THERMOSTAT IS NOW COMPLETELY PRO-  
GRAMMED AND READY TO AUTOMATICALLY PROVIDE  
MAXIMUM COMFORT AND EFFICIENCY!  
8. Repeatsteps4through6forthe3rdand4thheatingprogram  
periods. Weekday heating programs are now complete.  
9. Press VIEW PRGM once. “SA SU” (indicating weekend  
program) will be displayed, along with the start time for the  
1st heating period and the currently programmed tempera-  
ture.  
TROUBLESHOOTING  
If your thermostat’s display is frozen or displaying incorrectly,  
the thermostat may have been affected by static discharge or  
voltagevariations. Ifthishappens, presstheRESETbutton(see  
fig. 2, page 2 for the location of the button). Pressing the RESET  
buttonwillclearalluserprogramming. Thethermostatwillrevert  
to factory preprogramming. You will need to reset the time and,  
if desired, reprogram the thermostat to your selected program.  
If pressing the RESET button does not correct the problem,  
contact a qualified service technician.  
10.Repeat steps 4 through 8 to complete weekend heating  
programming.  
11.When you have completed entering your heating program,  
press RUN PRGM.  
Enter Cooling Program  
CAUTION  
!
For optimum performance, we recommend replacing batteries  
once a year with fresh “AA” Energizer® alkaline batteries.  
If the outside temperature is below 50°F, disconnect  
power to the cooling system before programming.  
Energizing the air conditioner compressor during  
cold weather may cause personal injury or property  
damage.  
1. Press SYSTEM button until COOL is displayed.  
2. Follow the procedure for entering your heating program,  
using your selected cooling times and temperatures.  
7
 
 

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