White Rodgers 1F80 0471 Thermostat User Manual

Home

80 Series Thermostat with

Automatic Heat/Cool Changeover Option

Single Stage or Heat Pump

Installation and Operating Instructions for Model:

Save these instructions for future use!

Model

Programming Choices

FAILURE TO READ AND FOLLOW ALL INSTRUCTIONS

CAREFULLYBEFOREINSTALLINGOROPERATINGTHIS

CONTROL COULD CAUSE PERSONAL INJURY AND/OR

PROPERTY DAMAGE.

1F80-0471

1F86-0471

5/2 Day 5/1/1 Day Non-Programmable

Non-Programmable

APPLICATIONS

1F86-0471 Thermostat

THERMOSTAT APPLICATION GUIDE

Description

Gas or Oil Heat

Yes

Electric Furnace

Heat Pump (No Aux. or Emergency Heat)

Heat Pump (with Aux. or Emergency Heat)

Systems with up to 3 Stages Heat, 2 Stages Cool

Heat Only Systems

Yes

Millivolt Heat Only Systems – Floor or Wall Furnaces

Cool Only Systems

Hydronic (Hot Water) Zone Heat – 2 Wires

Hydronic (Hot Water) Zone Heat – 3 Wires

SPECIFICATIONS

Electrical Rating:

Battery Power . . . . . . . . . . . . . . . . . . . . . . . . . mV to 30 VAC, NEC Class II, 50/60 Hz or DC

Input-Hardwire . . . . . . . . . . . . . . . . . . . . . . . . 20 to 30 VAC

Terminal Load . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1.0 A per terminal, 1.5A maximum all terminals combined

Setpoint Range . . . . . . . . . . . . . . . . . . . . . . . . . . . 45° to 90°F (7° to 32°C)

Differential (Single Stage) . . . . . . . . . . . . . . . . . . . Heat 0.6°F; Cool 1.2°F (adjustable)

Differential (Heat Pump) . . . . . . . . . . . . . . . . . . . . Heat 1.2°F; Cool 1.2°F (adjustable)

Operating Ambient . . . . . . . . . . . . . . . . . . . . . . . . . 32° to +105°F (0° to +41°C)

Operating Humidity . . . . . . . . . . . . . . . . . . . . . . . . 90% non-condensing max.

Shipping Temperature Range . . . . . . . . . . . . . . . . -4° to +150°F (-20° to +65°C)

Dimensions Thermostat . . . . . . . . . . . . . . . . . . . . . 3.4"H x 4.4"W x 1.3"D

ATTENTION: MERCURY NOTICE

This product does not contain mercury. However, this

product may replace a product that contains mercury.

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.

Mercury and products containing mercury must not be

discarded in household trash. Do not touch any spilled

mercury. Wearing non-absorbent gloves, clean up any

spilled mercury and place in a sealed container. For proper

disposal of a product containing mercury or a sealed

container of spilled mercury, place it in a suitable shipping

container and send it to:

Index

Installation

Page

Wiring Connections

Thermostat Quick Reference

Installer Configuration Menu

Operating Your Thermostat

Programming

White-Rodgers

2895 Harrison Street

Batesville, AR 72501

Troubleshooting

PART NO. 37-6749A

www.white-rodgers.com

0604

INSTALLATION

Once fully down, snap the door back into position. To

replace the batteries, set system to OFF, following the

instructions above.

WARNING

Thermostat installation and all components of the

control system shall conform to Class II circuits per

the NEC code.

Figure 1 – Battery door shown open

Remove Old Thermostat

“AA” Alkaline Batteries

A standard heat/cool thermostat consists of three basic parts:

1. The cover, which may be either a snap-on or hinge type.

2. The base, which is removed by loosening all captive screws.

3. The switching subbase, which is removed by unscrewing

the mounting screws that hold it on the wall or adapter

plate. Before removing wires from old thermostat,

label each wire with the terminal designation from

which it was attached. Disconnect the wires from the old

thermostat one at a time. Do not let wires fall back into

the wall.

Thermostat can be powered by system AC power or Battery.

is displayed the thermostat is battery powered. If

is not displayed, thermostat is system powered with

optional battery back-up. When battery power remaining is

approximately half the will be displayed. If the home is

going to be unoccupied for an extended period (over 3

months ) and is displayed, the batteries should be

replaced before leaving. When Change is displayed,

install fresh “AA” alkaline batteries immediately. The setpoint

temperature will offset by 10 degrees (10 degrees cooler in

heat mode / 10 degrees warmer in Cool mode) when less

than two months of battery life remain. (If offset occurs the

Installing New Thermostat

1. Pull the thermostat body off the thermostat base. Forcing

or prying on the thermostat will cause damage to the unit.

2. Place base over hole in wall and mark mounting hole

locations on wall using base as a template.

3. Move base out of the way. Drill mounting holes. If you

are using existing mounting holes and the holes drilled

are too large and do not allow you to tighten base snug-

ly, use plastic screw anchors to secure the base.

4. Fasten base snugly to wall using mounting holes shown

in Figure 2 and two mounting screws. Leveling is for

appearance only and will not affect thermostat operation.

5. Connect wires to terminal block on base.

normal setpoint can be manually reset with

, if

batteries are not replaced another offset will occur within two

days).

Figure 2 – Thermostat base and rear view of thermostat

6. Push excess wire into wall and plug hole with a fire re-

sistant material (such as fiberglass insulation) to prevent

drafts from affecting thermostat operation.

Mounting

Hole

Mounting

Hole

7. Carefully line the thermostat up with the base and snap

into place.

Place Level

across

Place Level

across

Mounting Tabs

(for appearance only)

Mounting Tabs

(for appearance only)

SS/HP Switch

(Conventional or Heat Pump Selection)

The SS/HP switch is factory set to the SS position. In this

position, thermostat is configured as conventional single

stage. If you have a single stage heat pump system, switch

SS/HP to HP position (see figure 2).

Electric/Gas Switch (Fan Option)

The ELEC/GAS switch is factory set to the GAS position. In

this position, the thermostat will not power the circulator fan

on a call for heat, but will power the circulator on a call for

cool.

GAS

ELEC

If your system requires that the thermostat power the

circulator fan on a call for heat, this switch should be set to

the ELEC position. Typically, gas and oil heating systems do

not require the thermostat to power the circulator fan during

a call for heat. If your heat is gas or oil, the switch should be

set to the GAS position.

WIRING CONNECTIONS

Refer to equipment manufacturers' instructions for specific

system wiring information. After wiring, see CONFIGURA-

TION section for proper thermostat configuration.

TERMINAL DESIGNATION DESCRIPTIONS

When the thermostat is configured for Heat Pump, the

thermostat will always power the circulator fan on a call for

heat in the HEAT mode.

Terminal

Designation Description

O/B . . . . . Changeover valve for heat pump

Y . . . . . . Compressor Relay

Batteries

2 "AA" alkaline batteries are included in the thermostat. To

install the batteries, pull the battery door as shown by the

arrow and lift open. Using the polarity indicated inside the

battery door, insert the batteries. To close the battery door,

swing the door down while pulling in the direction of arrow.

W . . . . . . Heat Relay

G . . . . . . Fan Relay

RH . . . . . Power for Heating

RC . . . . . Power for Cooling

C . . . . . . Common wire from secondary side of cooling

system transformer or heat only system transformer

THERMOSTAT QUICK REFERENCE

Figure 4 – Home Screen Display

Home Screen Description

Room

Time

Temperature

Setting

Temperature

Day of Week

Displays the power level of the

2 "AA" batteries:

indicates good power level.

indicates batteries at about

Temperature Up/Down

HOLD Button

half power. “Change

” indicates

batteries are low and should be

replaced with 2 new “AA” Alkaline

batteries.

SYSTEM

Indicator

SYSTEM

Button

FAN

Indicator

FAN

Button

MENU/SCHEDULE/RUN

Button

Figure 5 – Programming & Configuration Items

Programming and Configuration Items

Flame icon ( ) is displayed when the system is in

HEAT mode. Snowflake icon ( ) is displayed when the

system is in COOL mode.

Displays Fan Mode (On, Auto) or "Run" in Menu

mode or "Saving" in Cool Savings^TMMode.

Displays "Run Schedule", "Schedule", or "Menu".

Displays "Save" when Cool Savings^TMis working.

The word HOLD is displayed when the thermostat is

in the HOLD mode. Temp HOLD is displayed when

the thermostat is in a Temporary HOLD mode.

Displays "Heat Pump" when system is configured

as Heat Pump thermostat.

Displays Change Filter when the system has run for

the programmed filter time period as a reminder to

change or clean your filter.

Displays "Hold" in programmable mode when in "Hold"

mode. Displays Light Bulb in non-programmable

mode.

Displays "Set" for setpoint when in Run Program mode.

Displays System Mode (Heat, Cool, Auto, Off) or

Time in menu mode.

INSTALLER/CONFIGURATION MENU

Press the Menu button for at least 5 seconds. The display will show item #1 in the table below. Press Menu to advance to the

next menu item. Press

to change a menu item.

INSTALLER/CONFIGURATION MENU

PRESS

DISPLAYED

Press

REF. HP SS BUTTON (FACTORY DEFAULT) select from listed options

COMMENTS

On (Cool O)

P (2)

Heat b On

P 3, P 0

Reversing Valve Output (Heat Pump switch S8

must be in the Heat Pump HP position)

Selectable Programs Per Week

(For programmable thermostat only)

MENU Cool Saving CS (OFF)

CS (3)

Cool Saving CS On

6, 5, 4, 2, 1

Select Cool Savings on or off

Selects Cool Savings value 1 (low) to 6 (high)

E (On)

E OFF

Selects Energy Management Recovery (EMR)

on or off

CR Heat

(ME)

FA, SL

Adjustable Anticipation (Heat) (only when

heat pump switch is at the SS position)

CR Cool

(FA)

Adjustable Anticipation (Cool) (only when

heat pump switch is at the SS position)

CR Heat Pump

(FA)

Adjustable Anticipation (Heat Pump) (only

when heat pump switch is at the HP position)

CL (OFF)

CL On

Compressor Lockout Time

Auto Heat

Cool Off

Heat Cool Off,

Heat Off with Fan icon,

Heat Off without Fan

icon, Cool Off,

System Mode Configuration

with Automatic Changeover

Auto Off

Cool Off Heat

Heat Off with Fan icon,

Heat Off without

System Mode Configuration

without Automatic Changeover

Fan icon, Cool Off

L (On)

0 HI

L OFF

Selects Display Light on or off

1 HI, 2 HI, 3HI, 4 HI,

Adjustable Ambient Temperature Display

1 LO, 2 LO, 3 LO, 4 LO

10 10 MENU

Selects Fahrenheit/Celcius Temperature Display

Selects Filter Change-out Indicator

11 11 MENU Change Filter (OFF)

Change Filter 200 h

Change Filter On

25 h to 1975 h in

25-hour increment

When on, selects time in 25 hour increments

12 12

RUN

Returns to Normal Operation

system running time and save energy. When the cooling

system has been running for more than 20 minutes,

humidity in the home will be lower and a higher setpoint

temperature will feel comfortable. After 20 minutes of run

time, the thermostat will start increasing the setpoint

temperature in steps of less than one degree as the

system continues to run. These adjustments will eventu-

ally cause the system to satisfy the thermostat to turn the

system off and reduce the energy consumption. When

the Cool Savings™ feature is active and making adjust-

ments, the display will show “Save” next to the setpoint

temperature. The amount of the adjustments to the

setpoint temperature is dependent on the Cool Savings™

value that is set, 1 being the least adjustment and 6 being

the most adjustment. With this feature set to OFF, no

change will occur when the AC system is continuously

running during the periods of high demand. Periods of

high demand will normally occur during the late afternoon

and early evening on the hottest days of the summer.

1) Select Reversing Valve Output (Heat Pump switch S8

must be set at HP) – The O/B option is factory set at

"O" position. This will accommodate the majority of heat

pump applications, which require the changeover relay to

be energized in COOL. If the thermostat you are replac-

ing or the heat pump being installed with this thermostat

requires a "B" terminal, to energize the changeover relay

in HEAT, the O/B option should be set at "B" position.

2) Program Options: This control can be configured for 5/2

day or 5/1/1 day programming or non-programming mode.

The default setting is P2, indicating 5/2 day programming.

The programs per week can be toggled to P3 or P0 by

pressing the

keys. A selection of 0 Days for

non-programmable will eliminate the need for EMR, and

that step in the menu will be skipped.

3) Select Cool Savings™: With Cool Savings™ enabled,

the thermostat will make small adjustments to the setpoint

temperature during periods of high demand to reduce AC

INSTALLER/CONFIGURATION MENU

4) Energy Management Recovery: (this step is skipped if

configured to be non-programmable).

9) System Mode Configuration – This thermostat is

configured for Heat and Cool with Auto changeover

(SYSTEM switch with Cool Off Heat Auto) default. It can

also be configured for Heat and Cool (Cool Off Heat),

Heat only with fan (Off Heat), Heat only without fan,

Auto only (Auto Off), and Cool only (Cool Off).

10)Select Backlight Display – The display backlight

improves display contrast in low lighting conditions. When

the "C" terminal is powered, selecting backlight CdL ON

will keep the light on continuously. Select backlight OFF

will keep the light on momentarily after any key is

pressed. When the "C" terminal is not powered, the light

will be on momentarily after any key is pressed no matter

whether the backlight is selected ON or OFF.

Energy Management Recovery (E) On enables the

thermostat to start heating or cooling 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.

Example: If E On is selected 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 set-

point will change to 70° at 6:35 AM. Cooling allows more

time per degree, because it takes longer to reach set

temperature.

5, 6 & 7) Cycle Rate Selection – The factory default setting

for Heat is medium cycle (ME), which cycles heat at

approximately 0.6°F. If you prefer fast or slow cycle,

11)Select Temperature Display Adjustment 4 LO to 4 HI

Allows you to adjust the room temperature display up to

4° higher or lower. Your thermostat was accurately cali-

brated at the factory, but you have the option to change

the display temperature to match your previous thermo-

stat. The current or adjusted room temperature will be

displayed on the left side of the display.

press the

key to change to FA or SL. Heat

will cycle at approximately 0.4 or 1.2°F. For Heat Pump

and Cool, the default setting is fast (FA CR), which cycles

heat and cool at 1.2°F. If you prefer slow cycle, press

12)Select F° or C° Readout – Changes the display readout

to Centigrade or Fahrenheit as required.

to change to SL. Cool or heat will cycle at

1.7°F. For Cool the default setting is fast cycle (FA CR),

13)Select Filter Replacement Run Time – The thermostat

will display "Change Filter" after a set time of blower

operation. This is a reminder to change or clean your air

filter. This time can be set from 25 to 1975 hours in 25

hour increments. A selection of OFF will cancel this

feature. When "Change Filter" is displayed, you can

clear it by pressing Menu button. In a typical application,

200 hours of run time is approximately 30 days.

which cycles cool at approximately 1.2°F.

If you prefer slow cycle, press the

key to

change to SL, cool will cycle at approximately 1.7°F.

8) Select Compressor Lockout CL OFF or ON – Selecting

CL ON will cause the thermostat to wait 5 minutes be-

tween cooling cycles. This is intended to help protect the

compressor from short cycling. Some newer compres-

sors already have a time delay built in and do not require

this feature. Your compressor manufacturer can tell you if

the lockout feature is already present in their system.

When the thermostat compressor time delay occurs, it

will flash the setpoint for up to five minutes.

OPERATING YOUR THERMOSTAT

Choose the Fan Setting (Auto or On)

Set the FAN Switch to Auto or On.

Fan Auto is the most commonly selected setting and runs

the fan only when the heating or cooling system is on.

Fan On runs the fan continuously for increased air circulation

or to allow additional air cleaning.

IMPORTANT!

Manual Operation (Bypassing the Program)

Programmable Thermostats

Press

and the HOLD button and adjust the

temperature wherever you like. This will override the pro-

gram. The HOLD feature bypasses the program and allows

you to adjust the temperature manually, as needed. What-

ever temperature you set in HOLD will be maintained 24

hours a day, until you manually change the temperature or

press Run Schedule to cancel HOLD and resume the

programmed schedule.

Choose the System Setting

(Heat, Off, Cool, Auto)

Press the SYSTEM button to select:

Heat: Thermostat controls only the heating system.

Off: Heating and Cooling systems are off.

Program Override (Temporary Override)

Cool: Thermostat controls only the cooling system.

Press

buttons to adjust the temperature. This will

Auto: Auto Changeover is used in areas where both heating

and cooling may be required on the same day. AUTO allows

the thermostat to automatically select heating or cooling

depending on the indoor temperature and the selected heat

override the temperature setting until the next programmed

time. To cancel the temporary setting at any time and return

to the program, press Run Schedule. If the SYSTEM button

is pressed to select AUTO the thermostat will change to Heat

and cool temperatures. When using AUTO, be sure to set the or Cool, whichever ran last. If it switches to heat but you want

Cooling temperatures more than 1° Fahrenheit higher than

the heating temperature.

cool, or it changes to cool but you want heat, press both

and

buttons simultaneously to change to the other

mode.

Manual Operation for Non-Programmable

Thermostats (1F86 or 1F80)

Press the SYSTEM button to select Heat or Cool and use

the

buttons to adjust the temperature to your

desired setting. After selecting your desired settings you can

also press the SYSTEM button to select AUTO to allow

the thermostat to automatically change between Heat and

Cool.

PROGRAMMING (For Programmable Model Only)

Set Current Time and Day

Enter the Heating Program

1) Press Menu and then Time button once. The display

will show the hour only.

1) Press SYSTEM button to select "Heat" in the system

switch area indicating the active mode being pro-

grammed.

2) Press and hold either the

key until you reach

the correct hour and AM/PM designation (AM begins at

midnight, PM begins at noon).

2) Press the Menu button for at least 5 seconds and then

press Schedule.

3) Press Time once again. The display window will show

the minutes only.

3) The top of the display will show the day(s) being pro-

grammed. The time and temperature (flashing) are also

displayed. "1" will also be displayed to indicate

the period.

4) Press and hold either the

the correct minutes.

key until you reach

5) Press Time once again. The display will show the day

of the week.

4) Press

key to change the temperature to your

selected temperature for the 1st heating period.

5) Press Time button, time will flash.

6) Press

1st period.

6) Press the

of the week.

key until you reach the current day

key to adjust the start time for the

7) Press Run to exit the Time mode.

7) The time will change in 15 minute increments.

8) After you have set the time and the temperature for

the period to begin, press Schedule to advance to the

next program period.

9) Repeat steps 2 through 8 until all of the program times

and temperatures are set for all program periods on

that day.

10)Press Schedule to the next day and repeat steps 2

through 9.

11)When programming is complete and all of the times and

temperatures match your desired heating schedule, press

Run Schedule. The thermostat will now run your program.

Enter the Cooling Program

1) Press SYSTEM button to select "Cool" in the system

switch area indicating the active mode being pro-

grammed.

2) Follow Enter Heating Program instructions for entering

cooling times and temperatures.

PROGRAMMING (For Programmable Model Only)

Energy Saving Factory Pre-Program

The 1F80-0471 thermostats are programmed with the energy saving settings shown in the table below for all days of the

week. If this program suits your needs, simply set the thermostat clock and press the RUN button.

The table below shows the factory set heating and cooling schedule for all days of the week.

Wake Up

(Period 1)

Leave For Work

(Period 2)

Return Home

(Period 3)

Go To Bed

(Period 4)

Heating

Program

6:00 AM

70°F

8:00 AM

62°F

5:00 PM

70°F

10:00 PM

62°F

78°F

Cooling

Program

6:00 AM

75°F

8:00 AM

83°F

5:00 PM

75°F

10:00 PM

Planning Your Program – Important

The Heating and Cooling Program schedules below allow you to pencil in your own program times and temperatures.

The 1F80-0471 comes configured for 5/2 day programming and can also be configured for 5+1+1 programming (see configu-

ration section).

Factory settings are listed on Monday through Friday, Saturday and Sunday. If you are re-programming a 5/2 day schedule,

pencil in your own times and temperatures directly below the factory times and temperatures.

If you are re-programming a 5+1+1 fill in all lines with the times and temperatures you want.

Keep the following guidelines in mind when planning your program.

• In Heating, lower temperatures will save energy.

• In Cooling, higher temperatures will save energy.

• If you plan on using Auto Changeover, do not program the heating higher than the cooling.

Worksheet for Re-Programming 5/2 Day and 5+1+1 Day Program

Heating

Program

Wake Up

(Period 1)

Leave For Work

(Period 2)

Return Home

(Period 3)

Go To Bed

(Period 4)

6:00 AM

70°F

8:00 AM

62°F

5:00 PM

70°F

10:00 PM

62°F

Mo-Fr

Sat-Sun

or Sat

6:00 AM

70°F

Sun

5+1+1 only

Cooling

Program

Wake Up

(Period 1)

6:00 AM

Leave For Work

(Period 2)

Return Home

(Period 3)

Go To Bed

(Period 4)

75°F

8:00 AM

83°F

5:00 PM

75°F

10:00 PM

83°F

Mo-Fr

Sat-Sun

or Sat

6:00 AM

75°F

Sun

5+1+1 only

TROUBLESHOOTING

Reset Operation

Note: When thermostat is reset, installer configuration menu settings and programming will reset to factory settings.

If a voltage spike or static discharge blanks out the display or causes erratic thermostat operation, you can reset the thermostat by removing

the wires from terminals R and C (do not short them together) and removing batteries for 2 minutes. After resetting the thermostat, replace

the wires and batteries. If the thermostat has been reset and still does not function correctly contact your heating/cooling service person or

place of purchase.

Note: Be sure to review the installer configuration menu settings.

To reset the programming, clock and configuration settings, press

go blank and then all segments will be displayed momentarily.

and

and the FAN button simultaneously. The thermostat should

Possible Cause

Corrective Action

Symptom

1. Blown fuse or tripped circuit breaker.

2. Furnace power switch to OFF.

Replace fuse or reset breaker.

Turn switch to ON.

No Heat/No Cool/No Fan

(common problems)

3. Furnace blower compartment door or

panel loose or not properly installed.

Replace door panel in proper position to engage safety

interlock or door switch.

4. Loose connection to thermostat or system. Tighten connections.

1. Pilot light not lit.

Re-light pilot.

No Heat

2. Furnace Lock-Out Condition. Heat

may also be intermittent.

Many furnaces have safety devices that shut down when a

lock-out condition occurs. If the heat works intermittently

contact the furnace manufacturer or local HVAC service

person for assistance.

3. Heating system requires service or

thermostat requires replacement.

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 HVAC service

person to verify the heating is operating correctly.

1. Cooling system requires service or

thermostat requires replacement.

Same as diagnostic for No Heat condition except set the

thermostat to COOL and lower the setpoint below the

room temperature. There may be up to a five minute delay

before the thermostat clicks in Cooling.

No Cool

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 block. Try resetting the thermostat as

described above. 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.

Heat, Cool or Fan

Runs Constantly

2. Possible short in thermostat.

3. Possible short in heat/cool/fan system.

4. FAN Switch set to Fan ON.

1. Thermostat thermometer setting

requires adjustment.

The thermometer can be adjusted +/- 4 degrees. See

Temperature Display Adjustment in the Configuration

Menu section.

Thermostat Setting &

Thermostat Thermometer

Disagree

1. The location of the thermostat and/or

the size of the Heating System may

be influencing the cycle rate.

Digital thermostats provide precise control and cycle faster

than older mechanical models. The system turns on and

off more frequently but runs for a shorter time so there is

no increase in energy use. If you would like an increased

cycle time, choose SL for slow cycle in the Configuration

menu, step 6 (heat), 7 (cool) or 8 (heat pump). If an

acceptable cycle rate is not achieved, contact a local

HVAC service person for additional suggestions.

Furnace (Air Conditioner)

Cycles Too Fast or Too Slow

(narrow or wide

temperature swing)

HOMEOWNER HELP LINE: 1-800-284-2925

White-Rodgers is a division

of Emerson Electric Co.

The Emerson logo is a

trademark and service mark

of Emerson Electric Co.

St. Louis, Missouri

www.white-rodgers.com

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