White Rodgers 1F80 41 Thermostat User Manual

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1F80-41

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 5-Day/2-Day Digital Thermostat uses

thetechnologyofasolid-statemicrocomputertoprovideprecise

time/temperature control. This thermostat offers you the flexibil-

ity 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

• Standard five terminals for single or two-transformer sys-

tems

• Separate 5-day (weekday) and 2-day (weekend) programming

• Simultaneous heat and cool program storage

• Preprogrammed temperature control

• B and O terminals for single stage heat pumps or damper

operation

• Four separate time/temperature settings per 24-hour period

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 licensed 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

THERMAL DATA

Setpoint Temperature Range:

45°F to 90°F (7°C to 32°C)

Operating Ambient Temperature Range:

32°F to 105°F

•

Hydronic (hot water or steam) systems

Single-stage heat pump systems

Millivolt systems

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

ST. LOUIS, MISSOURI 63123-5398

PART NO. 37-5604B

Printed in U.S.A.

Replaces 37-5604A

9602

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 SINGLE-STAGE

HEAT PUMP SYSTEMS

Figure 1. Back of thermostat base

Read entire paragraph before setting electric heat switch. If you

areunsureofyourapplication,contactaqualifiedserviceperson.

Alkaline batteries (3 “AA”–

install “+” ends to the left)

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.

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

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 SYSTEMS,

above).

Mounting

holes

2. Connect wires beneath terminal screws on base using

appropriate wiring schematic (see figs. 3 through 10).

Figure 2. Thermostat base

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.

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.

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, press and hold SET TIME and VIEW PRGM buttons at

the same time until the correct setting is displayed (A for forced

air; H for hydronic systems).

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

material(suchasfiberglassinsulation)topreventdraftsfrom

affecting thermostat operation.

BATTERY LOCATION

NOTE

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

battery tag to engage the batteries and provide power to the

thermostat.

If you do not press both buttons at the same time, A or H will not

bedisplayed. Ifthishappens, pressRUNPRGM, thenpressand

hold SET TIME and VIEW PRGM at the same time.

If the word BATTERY is displayed, the batteries are low and

shouldbereplacedwithfresh“AA”Energizer^®alkalinebatteries.

To replace batteries, install the batteries along the top of the

base(seefig.2).Thebatteriesmustbeinstalledwiththepositive

(+) ends to the left.

JUMPER

WIRE

THERMOSTAT

SYSTEM

RC RH

THERMOSTAT

SYSTEM

Cooling

System

Fan

Relay

Heating

System

NOTE

Heating

System

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.

24 VAC Transformer

24 VAC

120 VAC

Neutral

Thermopile

TRANSFORMER

Figure 3. Typical wiring diagram for heating only,

2-wire, single transformer systems or millivolt systems

Figure 7. Typical wiring diagram for

heat/cool, 4-wire, single transformer systems

THERMOSTAT

NOTE

Jumper wire must be

added between R and B

terminals on the primary

control (jumper wire not

provided with thermostat.

Thermostat

SYSTEM

3-wire Series 10

Primary Control

(located at furnace)

Hot

Cooling

System Relay System

Fan

Heating

24 VAC

120 VAC

Neutral

HEATING TRANSFORMER

Hot

24 VAC

120 VAC

Neutral

Furnace

Add jumper wire

(not provided with thermostat)

COOLING TRANSFORMER

Figure 8. Typical wiring diagram for

heat/cool, 5-wire, two-transformer systems

Figure 4. Typical wiring diagram for

3-wire SERIES 10 heating systems

JUMPER

WIRE

JUMPER

WIRE

JUMPER

WIRE

THERMOSTAT

SYSTEM

THERMOSTAT

SYSTEM

RC RH

Changeover Compressor Fan

Relay*

Contactor Relay

NOTE

Hot

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

24 VAC

120 VAC

Neutral

24 VAC

* Changeover relay is energized when the

system switch is in the COOL position

120 VAC

Neutral

TRANSFORMER

Figure 9. Typical wiring diagram for

TRANSFORMER

heat pump with cool active changeover relay

Figure 5. Typical wiring diagram for

heat only, 3-wire, single transformer systems

JUMPER

WIRE

JUMPER

WIRE

THERMOSTAT

SYSTEM

RC RH

THERMOSTAT

Changeover Compressor Fan

Relay*

Contactor Relay

SYSTEM

Hot

Cooling

System

Fan

Relay

24 VAC

120 VAC

Neutral

Hot

* Changeover Relay is energized when the

system switch is in the HEAT position

24 VAC

120 VAC

TRANSFORMER

Neutral

TRANSFORMER

Figure 10. Typical wiring diagram for

heat pump with heat active changeover relay

Figure 6. Typical wiring diagram for

cool only, 3-wire, single transformer systems

CHECK THERMOSTAT OPERATION

3. Press

toadjusttemperaturesettingbelowroomtempera-

If at any time during testing your system does not operate

properly, contact a qualified serviceperson.

ture. The heating system should stop operating.

Cooling System

Fan Operation

If your system does not have a G terminal connection, skip to

Heating System.

CAUTION

Topreventcompressorand/orpropertydamage, ifthe

outdoor temperature is below 50°F, DO NOT operate

the cooling system.

1. Turn on power to the system.

2. Move FAN switch to ON position. The blower should begin

to operate.

1. Move SYSTEM switch to COOL position.

3. Move FAN switch to AUTO position. The blower should stop

2. Press

to adjust thermostat setting below room tempera-

immediately.

ture.Theblowershouldcomeonimmediatelyonhighspeed,

followed by cold air circulation

Heating System

1. Move SYSTEM switch to HEAT position. If the heating

3. Press

to adjust temperature setting above room tem-

system has a standing pilot, be sure to light it.

perature. The cooling system should stop operating.

2. Press

to adjust thermostat setting above room tempera-

ture. The heating system should begin to operate.

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.

WHITE-RODGERS

THE THERMOSTAT BASE

SET TIME VIEW PRGM RUN PRGM HOLD TEMP

FAN ON

AUTO

COOL OFF HEAT

See fig. 11 for the location of the following buttons, switches and

indicators on the thermostat.

The Thermostat Buttons and Switches

(Red arrow) Raises temperature setting.

MO TU WE TH FR

SA SU

HEAT

(Blue arrow) Lowers temperature setting.

SET TIME button.

COOL

BATTERY

HOLD

VIEW PRGM (program) button.

RUN PRGM (program) button.

HOLD TEMPerature button.

FAN switch (ON, AUTO).

11 14 10

Figure 11. Thermostat display, buttons, and switches

SYSTEM switch (COOL, OFF, HEAT).

The Display

Alternately displays current time and temperature.

Indicates day of the week.

BATTERY is displayed when the 3 “AA” batteries are low

and should be replaced. Nothing else will be displayed.

HEAT is displayed when the SYSTEM switch is in the HEAT

Displays currently programmed set temperature (this is

position. COOL is displayed (non-flashing) when the SYS-

TEM switch is in the COOL position. COOL is displayed

(flashing) when the compressor is in lockout mode.

blank when SYSTEM switch is in the OFF position).

The word HOLD is displayed when the thermostat is in the

HOLD mode.

• 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

STORAGE—Whenprogramming,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

to adjust the displayed temperature to

your desired setting.

3. PressRUNPRGMtoresumenormalprogramoperation.

• TEMPERATURE OVERRIDE — Press

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

. The

thermostat will hold the room temperature at the selected

setting until you press RUN PRGM button to start program

operation again.

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.

• °F/°C CONVERTIBILITY — Press and hold SET TIME and

HOLD TEMP buttons until the temperature display is in

Celsius (°C). To display Fahrenheit (°F), repeat the pro-

cess.

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

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

• 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 and hold SET TIME and RUN

PRGM buttons at the same time. In the 24-hour clock mode,

AM and PM are not displayed.

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

andtemperature). Usethetableatthebottomofthepagetoplan

• 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.

SAMPLE

Heating/Cooling Schedule Plan

WEEKEND (2 DAY)

WEEKDAY (5 DAY)

WEEKEND (2 DAY)

WEEKDAY (5 DAY)

Start

Period

Time*

Temperature

Time*

Temperature

Period

Time*

Temperature

Time*

Temperature

1ST HEAT

5:30 AM

68°F

7:00 AM

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

11:00 AM

6:00 PM

11:30 PM

7:00 AM

12:30 PM

6:00 PM

11:30 PM

70°F

65°F

76°F

74°F

72°F

78°F

* We suggest that you program the thermostat so that the heating/cooling system

has about 30 minutes to reach 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).

your program time periods, and the temperatures you want 5. Press SET TIME once (the programmed time will flash).

during each period. You may also want to look at the sample

Press

until your selected time appears. The time

program table to get an idea of how the thermostat can be

programmed.

will change in 15 minute increments. When your selected

time is displayed, press SET TIME again to return to the

change temperature mode.

Entering Your Program

Follow these steps to enter the heating and cooling programs

you have selected.

6. Press VIEW PRGM once. The currently programmed start

time and setpoint temperature for the 2nd heating program

period will appear.

NOTE

7. Repeat steps 4 and 5 to select the start time and heating

temperature for the 2nd heating program period.

The thermostat should be programmed in the 12-hour format,

then switched to the 24-hour format, if desired (see OPERAT-

ING FEATURES for more information).

8. Repeatsteps4through6forthe3rdand4thheatingprogram

periods. Weekday heating programs are now complete.

9. Press VIEW PRGM once. “SA SU” (indicating weekend

program) will appear in the display, along with the start time

for the 1st heating period and the currently programmed

temperature.

Set Current Time and Day

1. Press SET TIME button once. The display will show the hour

only.

10.Repeat steps 4 through 8 to complete weekend heating

programming.

EXAMPLE:

11.When you have completed entering your heating program,

press RUN PRGM.

2. Press and hold either

until you reach the correct

Enter Cooling Program

hour and AM/PM designation (AM begins at midnight; PM

CAUTION

begins at noon).

3. Press SET TIME once. The display window will show the

minutes only.

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.

EXAMPLE:

1. Move SYSTEM switch to COOL position.

4. Press and hold either

minutes.

until you reach the correct

2. Follow the procedure for entering your heating program,

using your selected cooling times and temperatures.

5. Press SET TIME once. The display will show the day of the

week.

CHECK YOUR PROGRAMMING

Follow these steps to check your thermostat programming one

final time before beginning thermostat operation.

6. Press

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.

1. Move SYSTEM switch to HEAT position.

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).

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. Move the SYSTEM switch to HEAT.

3. Press VIEW PRGM once. “MO TU WE TH FR” (indicating

weekday program) will appear in the display. Also dis-

played are the currently programmed start time for the 1st

heating period and the currently programmed tempera-

ture (flashing).

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.

MO TU WE TH FR

YOUR THERMOSTAT IS NOW COMPLETELY PRO-

GRAMMED AND READY TO AUTOMATICALLY PROVIDE

MAXIMUM COMFORT AND EFFICIENCY!

EXAMPLE:

This display window shows that for the 1st weekday period,

the start time is 6:00 AM, and 68° is the programmed

temperature(thisexamplereflectsfactorypreprogramming).

4. Press

tochangethedisplayedtemperaturetoyour

selected temperature for the 1st heating program period.

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