White Rodgers 1F80 24 Thermostat User Manual

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1F80-24  
Programmable Electronic Digital Thermostat  
WHITE-RODGERS  
INSTALLATION AND  
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 Digital Thermostat uses the technol-  
ogy 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.  
• LCD continuously displays set point, and alternately dis-  
plays time and room temperature  
• Temperature override until next program period  
• Manual program override (HOLD temperature)  
• User may select either 12- or 24-hour clock display  
°F/°C convertibility  
Features:  
• Battery powered (3 “AA” Energizer® alkaline batteries in-  
cluded)  
• Temperature range 45° to 90°F  
• Same program for all days of the week  
• Standard five terminals for single or dual transformer  
systems  
• B & O terminals for single stage heat pumps or damper  
operation  
• Simultaneous heat and cool program storage  
• Four separate time/temperature settings per program  
• Preprogrammed temperature control  
PRECAUTIONS  
Thisthermostatisintendedforusewithalowvoltagesystem;do  
not use this thermostat with a line voltage system. If in doubt  
about whether your wiring is millivolt, line, or low voltage, have  
itinspectedbyaqualifiedheatingandairconditioningcontractor  
or electrician.  
CAUTION  
!
To prevent electrical shock and/or equipment dam-  
age, 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  
• Single-stage heat pump systems  
• Millivolt 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  
• 3-wire zoned hydronic heating systems  
WHITE-RODGERS DIVISION  
EMERSON ELECTRIC CO.  
9797 REAVIS ROAD  
PART NO. 37-5287E  
Printed in U.S.A.  
Replaces 37-5287D  
9901  
ST. LOUIS, MISSOURI 63123-5398  
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INSTALLATION  
REMOVE OLD THERMOSTAT  
1. Shut off electricity at the main fuse box until installation is  
complete. Ensure that electrical power is disconnected.  
2. Remove the front cover of the old thermostat. With wires  
still attached, remove wall plate from the wall. If the old  
thermostathasawallmountingplate,removethethermostat  
and the wall mounting plate as an assembly.  
3. Identifyeachwireattachedtotheoldthermostatusingthe  
labels enclosed with the new thermostat.  
ELECTRIC  
GAS  
4. Disconnect the wires from old thermostat one at a time. DO  
NOT LET WIRES FALL BACK INTO THE WALL.  
5. Install new thermostat using the following procedures.  
Electric/Gas switch  
ELECTRIC HEAT OR HEAT PUMP SYSTEMS  
Figure 1. Back of thermostat base  
Read entire paragraph before setting electric heat switch. If you  
areunsureofyourapplication,contactaqualifiedserviceperson.  
If you have a single-stage heat pump system, OR your system  
uses central electric heat, where the blower is energized by a  
separate circuit through the fan relay (meaning that the fan  
turns on immediately on call for heat), then the switch on the  
back of the thermostat base must be moved to the “ELECTRIC”  
position (see fig 1). If the thermostat is energizing electric heat  
sequencers, the switch MUST remain in the “GAS” position.  
Alkaline batteries (3 "AA"–  
install "+" ends to the left)  
Screw anchors  
If you must move the switch to the “ELECTRIC” position (to the  
left), use a small screwdriver or pencil.  
ATTACH THERMOSTAT BASE TO WALL  
RH  
W
RC  
1. Remove the packing material from the thermostat. Gently  
pull the cover straight off the base. Forcing or prying on the  
thermostatwillcausedamagetotheunit. Ifnecessary, move  
the electric heat switch (see ELECTRIC HEAT OR HEAT  
PUMP SYSTEMS, above).  
B
G
Y
O
2. Connect wires beneath terminal screws on base using  
appropriate wiring schematic (see figs. 3 through 10).  
Mounting  
holes  
3. Place base over hole in wall and mark mounting hole  
locations on wall using base as a template.  
4. Move base out of the way. Drill mounting holes.  
Figure 2. Thermostat base  
5. Fasten base loosely to wall, as shown in fig. 2, using two  
mounting screws. Place a level against bottom of base,  
adjust until level, and then tighten screws. (Leveling is for  
appearance only and will not affect thermostat operation.) If  
you are using existing mounting holes, or if holes drilled are  
too large and do not allow you to tighten base snugly, use  
plastic screw anchors to secure subbase.  
6. Push excess wire into wall and plug hole with a fire-resistant  
material(suchasfiberglassinsulation)topreventdraftsfrom  
affecting thermostat operation.  
HYDRONIC (HOT WATER OR STEAM)  
HEATING SYSTEMS  
This thermostat is set to operate properly if you have a forced-  
air heating system. If you have a hydronic heating system (a  
system that heats with hot water or steam), you must set the  
thermostat to operate properly with your system. To change the  
setting, move the SYSTEM switch to HEAT. Press the RUN  
PRGM button, then press SET TIME and VIEW PRGM buttons  
at the same time until the correct setting is displayed (A for  
forced air; H for hydronic systems).  
BATTERY LOCATION  
This thermostat requires 3 “AA” alkaline batteries to operate.  
Batteries are installed in the thermostat at the factory with a  
battery tag to prevent power drainage. You must remove the  
batterytagtoengagethebatteriesandprovidepowertothe  
thermostat.  
If the word BATTERY is displayed, the batteries are low and  
shouldbereplacedwithfreshAAEnergizer® alkalinebatteries.  
Install the batteries along the top of the base (see fig. 2). The  
batteries must be installed with the positive (+) ends to the left.  
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JUMPER  
WIRE  
THERMOSTAT  
SYSTEM  
Y
B
O
G
W
RC  
RH  
THERMOSTAT  
SYSTEM  
Y
B
O
G
W
RC RH  
Heating  
System  
Cooling  
System  
Fan  
Relay  
Heating  
System  
24 VAC Transformer  
NOTE  
or  
Hot  
RED jumper wire (provided  
with thermostat) must be  
connected between thermo-  
stat's RH and RC terminals  
for proper thermostat oper-  
ation with this system.  
Thermopile  
24 VAC  
120 VAC  
Neutral  
Figure 3. Typical wiring diagram for heating only,  
2-wire, single transformer systems or millivolt systems  
TRANSFORMER  
Figure 7. Typical wiring diagram for  
heat/cool, 4-wire, single transformer systems  
THERMOSTAT  
Thermostat  
NOTE  
Y
B
O
G
W
RC  
RH  
3-wire Series 10  
Primary Control  
(located at furnace)  
Jumper wire must be  
added between R and B  
terminals on the primary  
control (jumper wire not  
provided with thermostat).  
SYSTEM  
Hot  
Cooling  
System Relay System  
Fan  
Heating  
R
W
24 VAC  
120 VAC  
Neutral  
B
HEATING TRANSFORMER  
W
Hot  
R
24 VAC  
120 VAC  
Neutral  
Furnace  
Add jumper wire  
(not provided with thermostat)  
COOLING TRANSFORMER  
Figure 4. Typical wiring diagram for  
3-wire SERIES 10 heating systems  
Figure 8. Typical wiring diagram for  
heat/cool, 5-wire, two-transformer systems  
JUMPER  
WIRE  
JUMPER  
WIRE  
JUMPER  
WIRE  
THERMOSTAT  
SYSTEM  
THERMOSTAT  
SYSTEM  
Y
B
O
G
W
RC  
RH  
Y
B
O
G
W
RC RH  
NOTE  
Reversing Compressor Fan  
Valve*  
Contactor Relay  
Fan  
Relay  
Heating  
System  
RED jumper wire (provided  
with thermostat) must be  
connected between thermo-  
stat's RH and RC terminals  
for proper thermostat oper-  
ation with this system.  
Hot  
Hot  
24 VAC  
120 VAC  
Neutral  
24 VAC  
120 VAC  
Neutral  
* Reversing valve is energized when the  
system switch is in the COOL position  
TRANSFORMER  
TRANSFORMER  
Figure 9. Typical wiring diagram for  
Figure 5. Typical wiring diagram for  
heat only, 3-wire, single transformer systems  
heat pump with cool active reversing valve  
JUMPER  
WIRE  
JUMPER  
WIRE  
THERMOSTAT  
SYSTEM  
THERMOSTAT  
Y
B
O
G
W
RC RH  
Y
B
O
G
W
RC  
RH  
SYSTEM  
Reversing Compressor Fan  
Valve*  
Contactor Relay  
Cooling  
System  
Fan  
Relay  
Hot  
Hot  
24 VAC  
120 VAC  
Neutral  
24 VAC  
120 VAC  
* Reversing valve is energized when the  
system switch is in the HEAT position  
Neutral  
TRANSFORMER  
TRANSFORMER  
Figure 10. Typical wiring diagram for  
heat pump with heat active reversing valve  
Figure 6. Typical wiring diagram for  
cool only, 3-wire, single transformer systems  
3. Move FAN switch to AUTO position. The blower should stop  
CHECK THERMOSTAT OPERATION  
immediately.  
If at any time during testing your system does not operate  
properly, contact a qualified serviceperson.  
Heating System  
1. Move SYSTEM switch to HEAT position. If the heating  
Fan Operation  
system has a standing pilot, be sure to light it.  
If your system does not have a G terminal connection, skip to  
Heating System.  
2. Press  
to adjust thermostat setting above room tempera-  
ture. The heating system should begin to operate.  
1. Turn on power to the system.  
2. Move FAN switch to ON position. The blower should begin  
3. Press  
toadjusttemperaturesettingbelowroomtempera-  
to operate.  
ture. The heating system should stop operating.  
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1. Move SYSTEM switch to COOL position.  
2. Press to adjust thermostat setting below room tempera-  
ture.Theblowershouldcomeonimmediatelyonhighspeed,  
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  
followed by cold air circulation  
the thermostat has locked out the compressor to allow head 3. Press  
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.  
to adjust temperature setting above room tem-  
perature. The cooling system should stop operating.  
CAUTION  
!
Topreventcompressorand/orpropertydamage, ifthe  
outdoor temperature is below 50°F, DO NOT operate  
the cooling system.  
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  
FAN ON  
AUTO  
COOL OFF HEAT  
Other than  
and  
, the following buttons and switches are  
located behind the door on the bottom of the thermostat cover  
(see fig. 11). 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
HEAT  
AM  
10  
COOL  
BATTERY  
HOLD  
VIEW PRGM (program) button.  
RUN PRGM (program) button.  
HOLD TEMPerature button.  
11  
12  
10 13  
9
Figure 11. Thermostat display, buttons, and switches  
FAN switch (ON, AUTO).  
Alternately displays current time and temperature.  
10  
11  
SYSTEM switch (COOL, OFF, HEAT).  
BATTERY is displayed when the 3 “AA” batteries are low  
and should be replaced. Nothing else will be displayed.  
The Display  
Displays currently programmed set temperature (this is  
12  
13  
HEAT is displayed when the SYSTEM switch is in the  
9
blank when SYSTEM switch is in the OFF position).  
HEATposition. COOL isdisplayed(non-flashing)whenthe  
SYSTEM switch is in the COOL position. COOL is dis-  
played (flashing) when the compressor is in lockout mode.  
The word HOLD is displayed when the thermostat is in the  
HOLD mode.  
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TEMPERATURE DISPLAY ADJUSTMENT — Your new  
thermostathasbeenaccuratelysetinourfactory.However,  
if you wish, you may adjust your new thermostat tempera-  
ture display to match your old thermostat. This can be  
accomplished (within a ±4° range) as follows:  
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.  
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.  
1. Press VIEW PRGM and HOLD TEMP buttons at the  
same time.  
2. Press  
or  
to adjust the displayed temperature to  
your desired setting.  
3. PressRUNPRGMtoresumenormalprogramoperation.  
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 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  
reverting to the programmed temperature. Press HOLD  
TEMP button. HOLD will be displayed. Then choose the  
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.  
• When heating (cooling) your building, program the tem-  
peratures 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.  
desired hold temperature by pressing  
or  
. The  
thermostat will hold the room temperature at the selected  
setting until you press RUN PRGM button to start program  
operation again.  
• Programthethermostattoallowabout 30minutestoreach  
the desired temperature. (For example, if the first person  
gets up at 6:00 AM, program the first period to begin at  
5:30 AM.)  
°F/°C CONVERTIBILITY — Press SET TIME and HOLD  
TEMP buttons until the temperature display is in Celsius  
(°C). To display Fahrenheit (°F), repeat the process.  
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.  
12-HOUR/24-HOUR CLOCK DISPLAY — The clock is set  
to display 12-hour time, which means that the clock will  
display AM and PM time (12:00 AM is midnight; 12:00 PM is  
noon). However, you may want to display a 24-hour clock  
(military-style time). The 24-hour clock display will show 1:00  
PM as 13:00, 2:00 PM as 14:00, and so on. To change to the  
24-hour clock display, press SET TIME and RUN PRGM  
buttons at the same time. In the 24-hour clock mode, AM and  
PM are not displayed.  
FACTORY PREPROGRAMMING  
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  
68°F  
68°F  
68°F  
64°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  
82°F  
78°F  
78°F  
If you want to change the preprogrammed times and tempera-  
tures, follow these steps.  
LOW BATTERY INDICATOR — If the 3 “AA” alkaline  
batteries are low and should be replaced, the display will be  
blank except for the word BATTERY. When the batteries are  
low, pressing any button will cause the display to operate for  
ten seconds. After ten seconds, the display will be blank  
exceptforthewordBATTERY. Youcannotprogramwithlow  
batteries, but you can override setpoint temperature.  
Determine the time periods and heating and cooling tempera-  
tures for your heating and cooling programs. You must program  
four periods for both the heating and cooling programs. How-  
ever, you may use the same heating and cooling temperatures  
for consecutive time periods. Use the table at the bottom of the  
page 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.  
SAMPLE  
Heating/Cooling Schedule Plan  
Heating/Cooling Schedule Plan  
COOL PROGRAM  
COOL PROGRAM  
HEAT PROGRAM  
HEAT PROGRAM  
Start  
Start  
Start  
Start  
Period  
Time  
Temperature  
Time  
Temperature  
Period  
Time  
Temperature  
Time  
Temperature  
1ST  
1ST  
5:30 AM  
68°F  
6:30 AM  
76°F  
2ND  
3RD  
4TH  
2ND  
3RD  
4TH  
8:00 AM  
5:00 PM  
10:30 PM  
65°F  
70°F  
65°F  
2:00 PM  
5:00 PM  
10:30 PM  
78°F  
72°F  
78°F  
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Enter Cooling Program  
Entering Your Program  
Follow these steps to enter the heating and cooling programs  
you have selected.  
CAUTION  
!
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.  
Set Current Time and Day  
1. Press SET TIME button once. The display will show the hour  
only.  
1. Move SYSTEM switch to COOL position.  
PM  
EXAMPLE:  
2. Follow the procedure for entering your heating program,  
using your selected cooling times and temperatures.  
2. Press and hold either  
or  
until you reach the correct  
CHECK YOUR PROGRAMMING  
hour and AM/PM designation (AM begins at midnight; PM  
begins at noon).  
Follow these steps to check your thermostat programming one  
final time before beginning thermostat operation.  
3. Press SET TIME once. The display window will show the  
minutes only.  
1. Move SYSTEM switch to HEAT position.  
2. Press VIEW PRGM to view the 1st heating period time and  
temperature. Each time you press VIEW PRGM, the next  
heating period time and temperature will be displayed in  
sequence (you may change any time or temperature during  
this procedure).  
EXAMPLE:  
4. Press and hold either  
minutes.  
or  
until you reach the correct  
3. Press RUN PRGM.  
4. Move SYSTEM switch to COOL position.  
5. Repeat step 2 to check cooling temperatures.  
6. Press RUN PRGM to begin program operation.  
5. Press RUN PRGM once. The display will show the correct  
time and room temperature alternately.  
Enter Heating Program  
YOUR THERMOSTAT IS NOW COMPLETELY PRO-  
GRAMMED AND READY TO AUTOMATICALLY PROVIDE  
MAXIMUM COMFORT AND EFFICIENCY!  
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. Move the SYSTEM switch to HEAT.  
3. Press VIEW PRGM once. The currently programmed start  
time for the 1st heating period and the currently pro-  
grammed temperature will be displayed (flashing).  
MO TU WE TH FR  
AM  
EXAMPLE:  
This display window shows that for the 1st heating period,  
the start time is 6:00 AM, and 68° is the programmed  
temperature(thisexamplereflectsfactorypreprogramming).  
4. Press  
or  
tochangethedisplayedtemperaturetoyour  
selected temperature for the 1st heating program period.  
5. Press SET TIME once (the programmed time will flash).  
Press  
or  
until your selected time appears. The time  
will change in 15 minute increments. Press SET TIME a  
second time to return to the change temperature mode.  
6. Press VIEW PRGM once. The currently programmed start  
time and setpoint temperature for the 2nd heating program  
period will appear.  
7. Repeat steps 4 and 5 to select the start time and heating  
temperature for the 2nd heating program period.  
8. Repeatsteps4through6forthe3rdand4thheatingprogram  
periods. The heating programs are now complete.  
9. When you have completed entering your heating program,  
press RUN PRGM.  

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