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 1° 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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