White Rodgers Thermostat 1F80 240 User Manual

1F80-240  
(for HEATING ONLY systems)  
Programmable Electronic Digital Thermostat  
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  
 Heat program storage  
 Backlit display  
Your new White-Rodgers 5-Day/1-Day/1-Day Digital Thermo-  
stat  uses  the  technology  of  a  solid-state  microcomputer  to  
provide precise time/temperature control. This thermostat offers  
you the flexibility to design a heating program that fits your needs.  
 Temperature override until next program period  
 Manual program override (HOLD temperature)  
 Temporary HOLD  
Features:  
 °F/°C convertibility  
 Separate 5-day (weekday), 1-day (Sat) and 1-day (Sun) pro-  
gramming with four separate time/temperature periods per day  
 Temperature range 45° to 90°F  
 RH, W, and G terminals  
 Preprogrammed  temperature  control  
 LCD continuously displays set point, and alternately dis-  
plays time and room temperature  
 Battery powered  
 2 “AA” Energizer® alkaline batteries included  
PRECAUTIONS  
This thermostat is intended for use with a low voltage system; do  
not use this thermostat with a 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.  
! WARNING  
Do not use on circuits exceeding specified voltage.  
Higher voltage will damage control and could cause  
shock or fire hazard.  
Do not exceed the specification ratings.  
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.  
All wiring must conform to local and national electrical codes and  
ordinances.  
This control is a precision instrument, and should be handled  
carefully. Rough handling or distorting components could cause  
the control to malfunction.  
Thermostat  installation  and  all  components  of  the  
system shall conform to Class II circuits per the NEC  
code.  
! CAUTION  
To prevent electrical shock and/or equipment damage,  
disconnect electric power to system at main fuse or  
circuit breaker box until installation is complete.  
SPECIFICATIONS  
ELECTRICAL DATA  
APPLICATIONS  
Electrical Rating:  
For use with:  
8 to 30 VAC 50/60 Hz. or D.C.  
0.05 to 1.0 Amps (Load per terminal)  
1.5 Amps Maximum Total Load (All terminals combined)  
 Standard 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 (no auxiliary heat)  
 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:  
-4°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  
 Heat pump systems  
WHITE-RODGERS  
EMERSON ELECTRIC CO.  
9797 REAVIS ROAD  
ST. LOUIS, MISSOURI 63123-5398  
www.white-rodgers.com  
PART NO. 37-6325B  
Printed in U.S.A.  
0148  
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THERMOSTAT  
SYSTEM  
W
RH  
Heating  
System  
Hot  
24 VAC  
120 VAC  
Neutral  
TRANSFORMER  
Figure 2. Typical wiring diagram for  
heating only, 2-wire, single transformer systems  
THERMOSTAT  
W
RH  
SYSTEM  
Heating  
System  
+
M.V. or 12 V. D.C.  
-
TRANSFORMER  
Figure 3. Typical wiring diagram for  
heating only, 2-wire, single transformer systems  
Thermostat  
3-wire Series 10  
Primary Control  
(located at furnace)  
R
W
B
W
R
Furnace  
Add jumper wire  
(not provided with thermostat)  
Figure 4.Typical wiring diagram for  
3-wire SERIES 10 heating systems  
THERMOSTAT  
G
W
RH  
SYSTEM  
Fan  
Relay  
Heating  
System  
Hot  
24 VAC  
120 VAC  
Neutral  
TRANSFORMER  
Figure 5. Typical wiring diagram for  
heat only, 3-wire, single transformer systems  
Heating System  
1. Move  SYSTEM  switch  to  HEAT  position.  If  the  heating  
system has a standing pilot, be sure to light it.  
2. Press  
 to adjust thermostat setting above room tempera-  
ture. The heating system should begin to operate.  
3. Press  
 to adjust temperature setting below room tem-  
perature. The heating system should stop operating.  
3
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OPERATION  
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. Your thermostat con-  
sists  of  two  parts:  the  thermostat  cover  and  the  base.  To  
remove the cover, pull it straight out from the base. To replace  
the cover, line up the cover with the base and press until the  
cover snaps onto the base.  
The Thermostat Buttons and Switches  
1
 Raises temperature setting.  
Lowers temperature setting.  
TIME button.  
2
3
4
5
6
7
PRGM (program) button.  
RUN (run program) button.  
HOLD temperature button.  
FAN switch (ON, AUTO).  
SYSTEM switch (OFF, HEAT).  
8
The Display  
6
9
Indicates day of the week.  
1) Select Temporary Hold Time - The thermostat can hold  
any temperature you set it to for the amount of time you  
select on this option. Your choices are 0:00 to 8:00 hours in  
15 minute increments. 0:00 disables the function  
Flame icon ( ) is displayed when the SYSTEM switch is in  
the HEAT position.  
10  
11  
Displays  BATT  when  the  2  "AA"  batteries  are  low  and  
should be replaced. Only BATT and LO in the minutes field  
are displayed when batteries are low.  
Example:  
1. You have selected 3:00 hours for the Temporary Hold  
time period.  
Alternately  displays  current  time  and  temperature.  Dis-  
plays LO in the minutes field when batteries are low.  
12  
13  
2. With the thermostat set to Heat, press HOLD for ap-  
proximately five seconds until HOLD time (3:00 indi-  
cating 3 hours) appears as a setting reminder.  
The word HOLD is displayed when the thermostat is in the  
HOLD mode. HOLD is displayed flashing when the thermo-  
stat is in a temporary HOLD Mode.  
3. After  releasing  the  button,  HOLD  on  the  display  will  
14  
15  
Displays  currently  programmed  set  temperature  (this  is  
blank when SYSTEM switch is in the OFF position).  
blink.  
4. Use  
 or  
  to set the temperature to your prefer-  
Displays  FLTR  when  the  system  has  run  for  the  pro-  
grammed filter time period as a reminder to change or clean  
your air filter.  
ence.  The  thermostat  will  maintain  this  temperature  
setting for 3 hours with HOLD blinking to remind you it is  
in Temporary Hold. After 3 hours the thermostat will go  
back  to  the  program  temperature  and  HOLD  will  no  
longer blink or display.  
CONFIGURATION MENU  
The configuration menu allows you to set certain thermostat  
operating characteristics to your system or personal require-  
ments.  
2) Select  FA or SL (Fast or Slow) Heating Cycle Rate - The  
FA setting is frequently used for gas, oil or electric heat. The  
SL setting produces a longer heating cycle which is nor-  
mally  for  hot  water  or  steam  (hydronic)  systems.  Both  
settings  produce  very  accurate  temperature  control  and  
can  be  set  to  your  personal  preference.  FA  cycles  the  
system just under 1°F and the SL setting cycles at approxi-  
mately 1.5°F.  
Press RUN to make sure the thermostat is in the run program  
mode, then press PRGM and RUN at the same time to enter the  
configuration menu. The display will show the first item in the  
configuration menu.  
The  configuration  menu  table  summarizes  the  configuration  
options. An explanation of each option follows.  
3) Select  Display Light ON or OFF - The display backlight  
improves display contrast in low lighting conditions. Select-  
ing d-l ON will keep the light on for a short period of time  
after any key is pressed. Selecting d-l OFF will keep the  
light off.  
Press HOLD to change to the next menu item or press TIME to  
go backwards to the previous item in the menu. To exit the menu  
and return to the program operation, press RUN. If no keys are  
pressed  within  fifteen  minutes,  the  thermostat  will  revert  to  
normal operation.  
4
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Configuration Menu  
Step  
Press Button(s)  
Displayed (Factory Default) Press  
or  
to select:  
COMMENTS  
Select temporary Hold time  
1
HOLD  
(0:00)  
0 to 8 hrs (in  
PRGM  
and RUN  
15 minute increments)  
Select FA or SL (Fast or Slow) heating cycle rate  
SL  
2
3
4
5
6
HOLD  
*
(FA)  
d-L  
(ON)  
OFF  
OFF  
Select display backlight OFF or ON  
HOLD  
HOLD  
*
*
E
(ON)  
Select Energy Management Recovery OFF or ON  
Filter  
(000)  
0 to 1950 hours  
(in 50 hour increments)  
HOLD  
HOLD  
HOLD  
*
*
*
Select filter replacement run time  
LOC  
(OFF)  
ON  
Compressor lockout feature not applicable to this model  
Select temperature display adjustment higher or lower  
0 HI  
(0)  
4 LO to  
4 HI  
7
8
9
Select temperature display to F or C  
Returns to normal operation  
(F)  
C
HOLD  
RUN  
*
* Press HOLD to advance to next item or TIME to move backwards to previous item  
4) Select  Energy  Management  Recovery  OFF  or  ON  -  
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.  
Energy Management Recovery (EMR) causes the thermo-  
stat to start heating early to make the building temperature  
reach the program setpoint at the time you specify. Heating  
will  start  5  minutes  early  for  every   of  temperature  
required to reach setpoint.  
 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.  
Example:  You  select  EMR  and  have  your  heating  pro-  
grammed to 65° at night and 70° at 7 AM. If the building  
temperature is 65° the difference between 65° and 70° is  
5°. Allowing 5 minutes per degree the thermostat setpoint  
will change to 70° at 6:35 AM.  
 HOLD TEMPERATURE (BYPASSING THE PROGRAM)  
The thermostat can hold any temperature within its range  
for an indefinite period without reverting to the programmed  
temperature. Momentarily press HOLD button. HOLD will  
be  displayed.  Then  choose  the  desired  temperature  by  
5) Select filter replacement run time - The thermostat will  
display  FLTR  after  a  set  time  of  operation.  This  is  a  
reminder to change or clean your air filter. This time can be  
set from 0 to 1950 hours in 50 hour increments. A selection  
of 000 will cancel this feature. When FLTR is displayed,  
you can clear it by pressing HOLD and RUN at the same  
time. This resets the timer and starts counting the hours  
until the next filter change. Changing the time in the menu  
also resets the timer.  
pressing  
 or  
. The thermostat will hold the room  
temperature at the selected setting until you press RUN  
button to start program operation again.  
 CONFIGURATION  MENU   Allows  you  to  customize  
certain thermostat options.  
6) Compressor  Lockout  -  Feature  not  applicaple  to  this  
model.  
PROGRAMMING YOUR THERMOSTAT  
This section will help you plan your thermostat’s program to  
meet your needs. For maximum comfort and efficiency, keep  
the following guidelines in mind when planning your program.  
7) Select Temperature Display Adjustment 4 LO to 4 HI -  
Allows you to adjust the room temperature display 4° higher  
or lower. Your thermostat was accurately calibrated at the  
factory  but  you  have  the  option  to  change  the  display  
temperature to match your previous thermostat.  
 When heating your building, program the temperatures to  
be cooler when the building is vacant or during periods of  
low activity.  
8) Select F° or C° Readout - Changes the display readout to  
Centigrade or Fahrenheit as required.  
5
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Enter Heating Program  
Planning Your Program  
1. Move the SYSTEM switch to HEAT.  
Look at the factory preprogrammed times and temperatures  
shown in the sample schedule. If this program will suit your  
needs, simply press the RUN button to begin running the factory  
preset program.  
2. Press PRGM once. MO TU WE TH FR (indicating weekday  
program) will appear in the display. Also displayed are the  
currently programmed start time for the 1st heating period  
and the currently programmed temperature (flashing).  
If you want to change the preprogrammed times and tempera-  
tures, follow these steps.  
MO TU WE TH FR  
AM  
EXAMPLE:  
Determine the time periods and temperatures for your weekday  
and weekend programs. You must program four periods for  
both the weekday and weekend program. However, you may  
use the same heating temperatures for consecutive time peri-  
ods.  You  can  choose  start  times  and  heating  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.  
This display window shows that for the 1st weekday period, the  
start time is 6:00 AM, and 68° is the programmed tempera-  
ture (this example reflects factory preprogramming).  
3. Press  
 or  
 to change the displayed temperature to  
your  selected  temperature  for  the  1st  heating  program  
period.  
Use the following table to plan your program time periods and  
the  temperatures  you  want  during  each  period.  Fill  in  the  
complete table to have a record of your programs.  
4. Press TIME once (the programmed time will flash).  Press  
 or  
 until your selected time appears. The time will  
change in 15 minute increments. When your selected time  
is  displayed,  press  TIME  again  to  return  to  the  change  
temperature mode.  
Entering Your Program  
Follow  these  steps  to  enter  the  heating  program  you  have  
selected.  
5. Press PRGM once. The currently programmed start time  
and  setpoint  temperature  for  the  2nd  heating  program  
period will appear.  
Set Current Time and Day  
6. Repeat steps 3 and 4 to select the start time and heating  
temperature for the 2nd heating program period.  
1. Press TIME button once. The display will show the hour only.  
7. Repeat  steps  3  through  5  for  the  3rd  and  4th  heating  
program periods. Weekday heating programs are now com-  
plete.  
PM  
EXAMPLE:  
8. Press PRGM once. “SA” (indicating Saturday program) will  
appear in the display, along with the start time for the 1st  
heating period and the currently programmed temperature.  
2. Press and hold either  
 or  
 until you reach the correct  
hour and AM/PM designation (AM begins at midnight; PM  
begins at noon).  
9. Repeat  steps  3  through  7  to  complete  Saturday  heating  
programming.  
3. Press TIME once. The display window will show the minutes  
only.  
8. Press PRGM once. “SU” (indicating Sunday program) will  
appear in the display. Repeat steps 3 through 7 to complete  
Saturday  heating  programming.  
EXAMPLE:  
10.When you have completed entering your heating program,  
press RUN.  
4. Press and hold either  
minutes.  
 or  
 until you reach the correct  
5. Press TIME once. The display will show the day of the week.  
6. Press   or   until you reach the current day of the week.  
CHECK YOUR PROGRAMMING  
Follow these steps to check your thermostat programming one  
final time before beginning thermostat operation.  
7. Press  RUN once. The display will show the correct time and  
room temperature alternately.  
1. Move SYSTEM switch to HEAT position.  
SAMPLE  
2. Press PRGM to view the 1st weekday heating period time  
and  temperature.  Each  time  you  press  PRGM,  the  next  
heating period time and temperature will be displayed in  
sequence for weekday, then weekend program periods (you  
may change any time or temperature during this procedure).  
Heating Schedule Plan (Factory Program)  
WEEKDAY (5 DAY)  
SATURDAY (1 DAY)  
SUNDAY (1 DAY)  
Start  
Time  
Start  
Start  
Period  
Temperature  
70 F  
Time  
Temperature  
70 F  
Time  
Temperature  
70 F  
6:00 AM  
8:00 AM  
5:00 PM  
10:00 PM  
1ST  
6:00 AM  
6:00 AM  
8:00 AM  
5:00 PM  
10:00 PM  
3. Press RUN to begin program operation.  
YOUR THERMOSTAT IS NOW COMPLETELY PROGRAMMED AND  
READY TO  PROVIDE MAXIMUM COMFORT AND EFFICIENCY!  
62 F  
2ND 8:00 AM  
3RD 5:00 PM  
4TH 10:00 PM  
62 F  
62 F  
70 F  
70 F  
70 F  
62 F  
62 F  
62 F  
Heating Schedule Plan  
WEEKDAY (5 DAY)  
SATURDAY (1 DAY)  
SUNDAY (1 DAY)  
Start  
Start  
Start  
Period  
1ST  
Time  
Temperature  
Time  
Temperature  
Time  
Temperature  
2ND  
3RD  
4TH  
6
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TROUBLESHOOTING  
Symptom  
Possible Cause  
Corrective Action  
No Heat/No Fan  
(common problems)  
1. Blown fuse or tripped circuit breaker.  
2. Furnace power switch to OFF.  
3. Furnace blower compartment door or  
panel loose or not properly installed.  
1. Pilot light not lit.  
Replace fuse or reset breaker.  
Turn switch to ON.  
Replace door panel in proper position to engage  
safety interlock or door switch.  
Re-light pilot.  
 No Heat  
2. System Switch not set to Heat.  
Set System Switch to Heat and raise setpoint  
above room temperature.  
3. Loose connection to thermostat or system.  
Verify thermostat and system wires are securely  
attached.  
4. Furnace Lock-Out Condition. Heat may also  
be intermittent.  
Many furnaces have safety devices that shut the  
system down when a lock-out condition occurs.  
If the heat works intermittently contact the furnace  
manufacturer or local service person for assistance.  
Diagnostic: Set System Switch to Heat and raise  
the setpoint above room temperature. Within a few  
seconds the thermostat should make a soft click  
sound. This sound usually indicates the thermostat  
is operating properly. If the thermostat  does not  
click, try the reset operation listed above. If the  
thermostat does not click after being reset contact  
your heating and cooling service person or place  
of purchase for a replacement. If the thermostat  
clicks, contact the furnace manufacturer or a  
service person to verify the heating system is  
operating correctly.  
5. Heating System requires service or  
thermostat requires replacement.  
Heat or Fan Runs Constantly  
1. Possible short in wiring.  
Check each wire connection to verify they are  
not shorted or touching together. No bare wire  
should stick out from under terminal screws. Try  
resetting the thermostat as described below.  
If the condition persists the manufacturer of  
your system or service person can instruct you  
on how to test the Heat/Cool system for correct  
operation. If the system operates correctly,  
replace the thermostat.  
2. Possible short in thermostat.  
3. Possible short in Heat/Cool/Fan system.  
4. Fan Switch set to Fan On.  
Furnace Cycles Too Fast or Too Slow  
 (narrow or wide temperature swing)  
1. The location of the thermostat and/or the size  
of the Heating System may be influencing the  
cycle rate.  
Item 2 in the Configuration Menu is the adjustment  
that controls the cycle rate. If an acceptable cycle  
rate is not achieved using the FA  (Fast) or SL  
(Slow) adjustment contact a local service person for  
additional suggestions.  
Thermostat Setting and Thermometer  
Disagree  
1. Thermostat thermometer setting requires  
 adjustment.  
The thermometer can be adjusted +/- 4 degrees as  
listed in item 7 of the Configuration Menu. No other  
adjustment is possible.  
Thermostat Does Not Follow Program  
1. AM or PM set incorrectly in program.  
2. AM or PM set incorrectly on the clock.  
3. Voltage spike or static discharge.  
Check current clock and program settings including  
the AM or PM designations for each time period.  
If a voltage spike or static discharge occurs use the  
Reset Operation listed below.  
Blank Display and/or Keypad Not  
Responding  
1. Loss of power and dead batteries.  
2. Voltage Spike or Static Discharge.  
Replace batteries and check heat/cool system for  
proper operation. If a voltage spike or static discharge  
occurs use the Reset Operation listed below.  
Reset Operation  
Batteries  
If a voltage spike or static discharge blanks out the display or For optimum performance, we recommend replacing batteries  
causes erratic thermostat operation you can reset the thermo- once a year with fresh "AA" Energizer® alkaline batteries.  
stat by pressing  
,  
 and TIME at the same time. This also  
resets  the  factory  defaults  to  the  configuration  menu  and  
program. If the thermostat has power, has been reset and still  
does not function correctly contact your heating/cooling ser-  
vice person or place of purchase.  
7
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