Trane 340 Users Manual 69 1228 Programmable Thermostat|TAYSTAT 570

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OWNER’S GUIDE

Pub. No. 22-5183-01

Programmable Thermostat

TAYSTAT 340, 350

69-1228-1

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69-1228—1

FEATURES

The Trane Co. sells comfort systems.

Comfort is achieved through matching the

correct equipment and controls. This

thermostat is designed to provide the

maximum comfort for your needs.

Some of the basic offerings are:

•Program up to four time periods and

temperature settings to complement

your lifestyle.

•Set different schedules for weekdays

and weekends.

•Programs are permanently held in

memory in the event of a power failure.

•Indefinite temperature hold.

•Preprogrammed for your convenience.

M18527

FAN SYSTEM

Auto On Cool Off Heat

Hold Select

DECREASE KEY:

DECREASE

TEMPERATURE

OR SCROLL

THROUGH

INSTALLER

SETUP OPTIONS.

SELECT KEY:

TO SET TIME

AND DAY.

INCREASE KEY:

INCREASE

SETPOINT,

OR ADVANCE

TO NEXT STEP.

HOLD KEY OVERRIDES PROGRAM

OR HOLDS TEMPERATURE INDEFINITELY.

LCD DISPLAY

FAN SWITCH SYSTEM SWITCH

TUE

PM

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Your thermostat displays the

current day, time, period,

temperature and system ( for

heating and for cooling) in

normal mode. In programming

mode, only the setting or

settings being programmed

display. For example “SAT SUN”

(Saturday Sunday) displays

while programming the

weekend schedule.

TEMPORARY

SET

M18560

SET DISPLAYS WHILE

SETTING THE CLOCK.

DURING NORMAL MODE, THE CURRENT PERIOD

DISPLAYS. DURING PROGRAMMING, THE PERIOD BEING

PROGRAMMED DISPLAYS (WAKE, LEAVE, RETURN OR SLEEP).

TEMPORARY DISPLAYS

DURING TEMPORARY

TEMPERATURE HOLD.

CURRENT DAY DISPLAYS IN

NORMAL MODE. MONDAY

THROUGH FRIDAY DISPLAY

DURING WEEKDAY

PROGRAMMING MODE.

SATURDAY AND SUNDAY

DISPLAY DURING WEEKEND

PROGRAMMING MODE.

CURRENT TIME DISPLAYS

IN NORMAL MODE.

PERIOD START TIME DISPLAYS

IN PROGRAMMING MODE.

CURRENT TEMPERATURE DISPLAYS.

HEATING OR COOLING SETPOINT

DISPLAYS DURING PROGRAMMING.

FLAME DISPLAYS DURING HEATING OR WHILE

PROGRAMMING HEATING SETPOINT; SNOWFLAKE DISPLAYS

DURING COOLING OR WHILE PROGRAMMING COOLING SETPOINT.

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PROGRAMMING YOUR

THERMOSTAT

CLOCK

Setting the Current Day and Time

To set or reset the current day and time,

follow these instructions:

IMPORTANT

Always press the keys with your

fingertip or similar blunt tool. Sharp

objects like pen and pencil points will

damage the keyboard.

Note: To exit and save the programming

mode at any time, press Hold.

1. To set Current Time, press Select twice.

Press ▲ or ▼ to set current time.

Note: While setting the current time, SET

displays.

2. To set Day of Week, press Select

again. Press ▲ or ▼ to set current day.

3. Press Hold to exit programming mode.

M12591A

SET

PM

M18565

SET

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WAKE Choose the time you want your heating or cooling system to start to

reach your comfort temperature after the SLEEP period.

How? Consider the time required to reach your comfort level. Adjust the

Wake time to earlier when you know it will take the system longer to

reach your comfort temperature.

LEAVE Choose the time you want your heating or cooling system to start an

energy-saving mode while you are away at work or school.

How? Set the Leave temperature lower during heating season, and

higher during cooling season.

Organizing Your Schedule

Your thermostat can be set for four time periods (Wake, Leave, Return, and Sleep) for the

weekday schedule (Monday through Friday), and four time periods for the weekend schedule

(Saturday and Sunday). Without additional programming, your thermostat follows the same

preprogrammed schedule for both weekdays and weekends (see Table 1).

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RETURN Choose the time you want your heating or cooling system to start to

reach your comfort temperature after the energy-savings LEAVE

period.

How? Consider the time required to reach your comfort level. Adjust the

Return time to earlier when you know it will take the system longer to

reach your comfort temperature.

SLEEP Set the time you want your heating or cooling system to start to reach

your Sleep temperature.

To use this period as an energy-savings mode, set the temperature

lower during heating season, and higher during cooling season.

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Period Time Heat Setpoint Cool Setpoint

Wake 6:00 AM 70°F (21°C) 78°F (26°C)

Leave 8:00 AM 62°F (17°C) 85°F (29°C)

Return 5:00 PM 70°F (21°C) 78°F (26°C)

Sleep 10:00 PM 62°F (17°C) 75°F (24°C)

The preprogrammed schedule is shown in Table 1. You may keep this schedule or organize your

own. Schedules are adjustable as often as you wish. If you decide to keep this schedule, no

further programming is necessary.

Table 1. Preprogrammed Weekday and Weekend Schedule.

To begin programming your weekday and weekend schedules, fill in Tables 2 and 3.

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Customizing Your Weekday Schedule

Use Table 2 to organize your weekday schedule. Fill in the times and temperatures you want to

program. The names of the four periods are filled in for you.

Table 2. Your Weekday Schedule.

Period

Start Time Heating

Temperature Cooling

Temperature

Wake

Leave

Return

Sleep

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Customizing Your Weekend Schedule

Use Table 3 to organize your weekend schedule. Fill in the times and temperatures you want to

program. The names of the four periods are filled in for you.

Table 3. Your Weekend Schedule.

Note: Start Time is the time your thermostat begins to reach the desired temperature.

Note: The thermostat cannot be set higher than 99°F (37°C) or lower than 50°F (10°C).

Period

Start Time Heating

Temperature Cooling

Temperature

Wake

Leave

Return

Sleep

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Setting the Weekday Program

IMPORTANT

Always press the keys with your

fingertip or similar blunt tool. Sharp

objects like pen and pencil points will

damage the keyboard.

1. Slide the SYSTEM switch to the setting

you want to program (Heat or Cool).

Throughout programming, the thermo-

stat displays a flame (heating) or

snowflake (cooling) to help you

identify which mode you are program-

ming. At the end of Setting the Week-

end Program, you are prompted to

return to this step to program the

opposite mode. Example shows Cool

setting.

Note: To exit the programming mode at any

time, press Hold (the thermostat saves

your changes).

FAN SYSTEM

Auto On Cool Off Heat

Hold Select

TUE

PM

M18545

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2. Set weekday Wake time and tempera-

ture.

a. Press Select four times. Press ▲

or ▼ to set Wake time.

Note: Schedule times are programmable in

increments of 15 minutes. For each

press, the time increases or decreases

by 15 minutes.

b. Press Select. Press ▲ or ▼ to

set Wake temperature.

Note: When setting the Weekday Program,

the days MON TUE WED THU FRI

display.

3. Set weekday Leave time and tempera-

ture.

a. Press Select. Press ▲ or ▼ to

set Leave time.

M18564

SET

M18570

SET

M18566

SET

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b. Press Select. Press ▲ or ▼ to

set Leave temperature.

4. Set weekday Return time and tempera-

ture.

a. Press Select. Press ▲ or ▼ to

set Return time.

b. Press Select. Press ▲ or ▼ to

set Return temperature.

5. Set weekday Sleep time and tempera-

ture.

a. Press Select. Press ▲ or ▼ to

set Sleep time.

M18561

SET

M18562

SET

M18567

SET

M18568

SET

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b. Press Select. Press ▲ or ▼ to

set Sleep temperature.

IMPORTANT:

Before pressing another key,

continue with Setting the Weekend

Program.

Setting the Weekend Program

Note: For initial programming, you must set

the weekday schedule as shown in

Setting the Weekday Program before

you can access weekend program-

ming. If your weekday is already

programmed, you can access weekend

programming by pressing Select 12

times.

1. Set weekend Wake time and tempera-

ture.

a. Press Select. Press ▲ or ▼ to

set Wake time.

M18569

SET

M18563

SET

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Example shows Cool setting.

b. Press Select. Press ▲ or ▼ to

set Wake temperature.

Note: When setting the Weekend Program,

the days SAT SUN display.

2. Set weekend Leave time and tempera-

ture.

a. Press Select. Press ▲ or ▼ to

set Leave time.

b. Press Select. Press ▲ or ▼ to

set Leave temperature.

3. Set weekend Return time and tempera-

ture.

a. Press Select. Press ▲ or ▼ to

set Return time.

M18549

SET

M18550

SET

M18551

SET

M18552

SET

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b. Press Select. Press ▲ or ▼ to

set Return temperature.

4. Set weekend Sleep time and tempera-

ture.

a. Press Select. Press ▲ or ▼ to

set Sleep time.

b. Press Select. Press ▲ or ▼ to

set Sleep temperature.

5. Press Select. End displays.

After five seconds, your thermostat displays

the current day, time and temperature.

M18553

SET

M18554

SET

M18555

SET

M18556

SET

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6. Return to Step 1., Setting the Week-

day Program to program the opposite

mode, (heating) or (cooling).

Your weekday and weekend schedules are

now programmed.

Temporary Temperature Hold

1. Press ▲ or ▼ key twice to set a

temporary temperature.

Note: The temporary temperature setting

remains in effect until the next program

period. To cancel, press Hold twice

and wait five seconds.

Indefinite Temperature Hold

The Hold key allows you to hold a tempera-

ture indefinitely. When Hold is active, Hld

displays continuously.

1. Press Hold.

2. Press ▲ or ▼ key to set indefinite

temperature setting.

M18557

M18558

TEMPORARY

M18559

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3. To cancel, press Hold and wait five

seconds.

System and Fan

Use the SYSTEM and FAN switches to

change the settings.

Note: When the TAYSTAT 350 is used with

two-stage heating equipment, there

is an airflow change when the stage

change occurs.

System Setting

To select the desired system setting, slide the

SYSTEM switch in the lower right corner of

the thermostat.

SYSTEM settings control the thermostat

operation as follows:

Cool: The thermostat controls the cooling.

Off: Both the heating and cooling are off.

Heat: The thermostat controls the heating.

M18546

FAN SYSTEM

Auto On Cool Off Heat

Hold Select

SYSTEM SWITCH

TUE

PM

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Heat and Cool Indicators

Indicates a call for heating.

Indicates a call for cooling.

Note: In the programming mode, the

and indicate the system setting.

Fan Setting

To select the desired fan setting, slide the

FAN switch in the lower left corner of the

thermostat.

FAN settings control the system fan as follows:

Auto: Fan operates with equipment.

On: Fan operates continuously.

M18548

M18547

FAN SYSTEM

Auto On Cool Off Heat

Hold Select

FAN SWITCH

TUE

PM

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Minimum Off-Timing

Your thermostat comes equipped with a

minimum off-timer. At certain times during

cooling, the system will not start up again for

at least five minutes after it turns off (com-

pressor is off and can’t be heard). This occurs

when you change the SYSTEM switch

position while the compressor is off or when

you change the temperature setting, causing

the compressor to turn off. The minimum off-

timer is also triggered during power interrup-

tion and power restoration. You will know the

minimum off time is in effect by a flashing

or on the display.

CAUTION

Equipment Damage Hazard.

Can cause permanent damage to

the compressor or other equipment.

To avoid possible equipment damage,

do not operate cooling when outside

temperature is below 50°F (10°C).

See equipment manufacturer instruc-

tions. To avoid possible compressor

damage, allow the compressor to

remain off for five minutes before

restarting.

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(Contiuned)

TROUBLESHOOTING GUIDE

Symptom Possible Cause Action

Display will not

come on. Thermostat is not

being powered. Check if the thermostat is mounted and

latched on the wallplate–mount and latch the

thermostat on the wallplate.

Check if the circuit breaker is tripped–reset

the circuit breaker.

Check if the fuse is blown–replace the fuse.

Check if the system switch is in the Off

position–set to Heat or Cool.

Temperature

settings will not

change (Example:

cannot set the

heating higher or the

cooling lower).

The upper or lower

temperature limits

were reached.

Check that the temperature setpoints are

within range:

Heating: 50° to 99° F (10° to 37° C)

Cooling: 50° to 99° F (10° to 37° C).

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Troubleshooting (Contiuned)

Symptom Possible Cause Action

Heating will not

come on. No power to the

thermostat.

System selection is

not set to Heat.

Heating setpoint is

below room

temperature.

Check that the setpoint is above room

temperature–reset temperature or wait for

room temperature to fall.

Check if the circuit breaker is tripped–reset

the circuit breaker.

Check if the fuse is blown–replace the fuse.

Check if the system switch at the equipment

is in the Off position–set to Heat position.

Wait five minutes for the system to respond.

Cooling will not

come on. No power to the

thermostat.

System selection is

not set to Cool.

Cooling setpoint is

above room

temperature.

Check that the setpoint is below room

temperature–reset temperature or wait for

room temperature to rise.

Check if the circuit breaker is tripped–reset

the circuit breaker.

Check if the fuse is blown–replace the fuse.

Check if the system switch at the equipment

is in the Off position–set to Cool position.

Wait five minutes for the system to respond.

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Symptom Possible Cause Action

System on indicator

and is lit, but

no warm or cool air

is coming from the

registers.

Heating/cooling

equipment turns on

the fan when the

equipment has

reached the

setpoint.

Wait a minute after seeing the flame or

snowflake and then check the registers.

System on indicator

or is flashing Minimum off timer is

in effect. Wait five minutes until the minimum off timer

is complete.

Troubleshooting (Contiuned)

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LIMITED WARRANTY

Low Voltage Room Thermostats

This warranty is extended by American Standard Inc., to the original purchaser and to any

succeeding owner of the real property to which the Thermostat is originally affixed, and applies

to products purchased and retained for use within the U.S.A. and Canada.

If any part of your Thermostat fails because of a manufacturing defect within one year from the

date of the original purchase, Warrantor will furnish without charge a new thermostat. Any local

transportation, related service labor and diagnosis calls are not included.

This warranty does not cover failure of your Thermostat if it is damaged while in your posses-

sion or if the failure is caused by unreasonable use. In no event shall Warrantor be liable for

incidental or consequential damages. In no event shall any implied warranty of merchandise

or fitness for use exceed the term of the limited warranty stated above.

Some states do not allow limitations on how long an implied warranty lasts or do not allow the

exclusion or limitation of incidental or consequential damages, so the above limitation may not

apply to you. This warranty gives you specific legal rights, and you may also have other rights

which vary from state to state.

Pub. No. 22-5183-01

® U.S. Registered Trademark

69-1228—1 Rev. 9-00 J.H. Printed in Mexico

American Standard Inc.

Troup Highway

Tyler, TX 75711-9010

Parts will be provided by our factory organization or an authorized service organization in your area. All you

need to do is look us up in the Yellow Pages or write to the address given below. If you wish further help or

information concerning this warranty, contact:

American Standard Inc.

Troup Highway

Tyler, TX 75711-9010

Attention: Manager, After Sales Support

CUSTOMER ASSISTANCE

If, after reading this guide, you have any questions concerning the operation of your thermostat, please call

the Thermostat Customer Assistance Helpline at 1-877-880-3381, Monday-Friday, 7:00 am-5:30 pm, Central

time.

For service, contact your local heating and cooling contractor.