Honeywell TH4110B Thermostat User Manual

Quick Reference Card

Grasp and pull to see basic

operating instructions at a glance.

CAUTION: EQUIPMENT DAMAGE HAZARD. To prevent possible compressor damage,

do not operate cooling system when outdoor temperature is below 50°F (10°C).

Need Help?

For assistance with this product please visit www.honeywell.com/yourhome

or call Honeywell Customer Care toll-free at 1-800-468-1502

Read and save these instructions

U.S. Registered Trademark. Patents pending.

PRO TH4110B Programmable Thermostat

Table of contents

About your new thermostat

Appendices

Thermostat features ........................2

Programming at a glance ................3

Quick reference to controls............4

Quick reference to display..............5

Battery replacement......................15

In case of difficulty ......................16

Customer assistance......................18

Accessories....................................18

Limited warranty ..........................19

Programming & Operation

Set time and day..............................6

System switch (Heat/Cool) ............7

Fan switch (Auto/On) ......................8

Using program schedules................9

Program schedule overrides ........12

Compressor protection ................14

This thermostat is ready to go!

Your new thermostat is pre-

programmed and ready to go.

See page 3 to check settings.

CAUTION: EQUIPMENT DAMAGE

HAZARD. To prevent possible

compressor damage, do not operate

cooling system when outdoor

temperature is below 50°F (10°C).

Operating Manual

About your new thermostat

Congratulations on the purchase of your new Honeywell thermostat. It has been

designed to give you many years of reliable service and easy-to-use, push-button

climate control.

Features

•

Separately programmable weekday/weekend schedules.

One-touch temp control overrides program schedule at any time.

EnergyStar compliant to greatly reduce your heating/cooling expenses.

Large, clear display is easy to read.

Displays both room temperature and temperature setting.

Built-in compressor protection.

PRO TH4110B Programmable Thermostat

This thermostat is ready to go!

Your new thermostat is pre-programmed and ready to go.All you have to do is set

the time and day.Then check the settings below and change if needed:

Set time and day (required for proper operation)................................See page 6

Select system setting (Heat/Cool): Preset to Heat..............To change, see page 7

Select fan setting (Auto/On): Preset to Auto ......................To change, see page 8

Program schedules: Preset to energy-saving levels

while you’re at work or asleep (assumes you

wake at 6 am, leave at 8 am, return at 6 pm

and go to bed at 10 pm) ..............................................To change, see pages 9-11

ONE-TOUCH TEMP CONTROL: You can override the program schedule at any time,

and manually adjust the temperature (see pages 12-13).

Operating Manual

Quick reference to controls

Digital display (see page 5) Temperature adjustment (see pages 11-13)

•

Set: Press to set time/day/

schedule

Hold: Press to override

programmed temperature control

Run: Press to resume program

schedule

System switch (see page 7)

•

Cool: Thermostat controls only

the cooling system.

Heat: Thermostat controls only

the heating system.

Fan switch (see page 8)

On: Fan runs continuously.

Auto: Fan runs only when heating

or cooling system is on.

Off: Heating and cooling

systems are off.

PRO TH4110B Programmable Thermostat

Quick reference to display screen

Low battery warning

see page 15)

Current day/time (see page 6)

(

Current inside

temperature

Temperature setting

(see pages 11-13)

Replace Batt

Inside

Set To

System status

Heat On/Cool On

(If flashing, see page 14)

Current program period

Wake/Leave/Return/Sleep

6:30

(see pages 10-11)

Wake

Cool

Wed

Operating Manual

Set the time and day

Press SET, then adjust time

Press the SET button, then press

to set the clock time.

Set

Clock

Press the SET button, then press

week.

to select the day of the

:30

Press RUN to save & exit.

Press SET, then select current day

Note: If the display flashes Set Clock,

the thermostat will follow your settings

for the weekday “Wake” time period until

you reset the time and day.

Set Day

Wed

PRO TH4110B Programmable Thermostat

System switch

The SYSTEM switch can be set to con-

trol your heating or cooling system,

depending on the season.

•

Heat: Thermostat controls only

the heating system.

Cool: Thermostat controls only

the cooling system.

Off: Heating and cooling

systems are off.

CAUTION: EQUIPMENT DAMAGE

HAZARD. To prevent possible

compressor damage, do not operate

cooling system when outdoor

Set SYSTEM switch to control the heating or

cooling system.

temperature is below 50°F (10°C).

Operating Manual

Fan switch

Set the FAN switch to Auto or On.

In“Auto”mode (the most commonly

used setting), the fan runs only

when the heating or cooling system

is on.

If set to“On ,” the fan runs

continuously. Use this setting for

improved air circulation, or for

more efficient air cleaning.

Set FAN switch to choose whether the fan

runs continuously or only as needed.

PRO TH4110B Programmable Thermostat

Save money by setting program schedules

It’s easy to program your system for maximum energy savings.You can program four

time periods each day, with different settings for weekdays and weekends.

WAKE

Set to the time you awaken and the temperature you want

during the morning, until you leave for the day.

:00 am

LEAVE

:00 am

Set to the time you leave home and the temperature you

want while you are away (usually an energy-saving level).

RETURN Set to the time you return home and the temperature you

6:00 pm

want during the evening, until bedtime.

SLEEP

0:00 pm

Set to the time you go to bed and the temperature you want

overnight (usually an energy-saving level).

2^°

Operating Manual

EnergyStar settings for maximum cost savings

This thermostat is pre-set to use EnergyStar program settings.We recommend

these settings, since they can reduce your heating/cooling expenses by as much

as 33%. (See next page to adjust times and temperatures of each time period.)

Heat (Mon-Fri) Cool (Mon-Fri) Heat (Sat-Sun) Cool (Sat-Sun)

Wake

0^°

2^°

0^°

62^°

75^°

83^°

75^°

78^°

70^°

75^°

(

6:00 am)

Leave

8:00 am)

(

[

Or cancel period]

[Or cancel period]

Return

6:00 pm)

(

[

Or cancel period]

[Or cancel period]

Sleep

10:00 pm)

62^°

78^°

(

PRO TH4110B Programmable Thermostat

To adjust program schedules

Press SET 3 times, then adjust time

Press SET until Set Schedule is displayed.

Set To

Press

time (Mon-Fri), then press SET.

Press or to set the temperature for

to set your weekday Wake

Set Schedule

Heat

:30

this time period, then press SET.

Wake

MonTueWedThuFri

Set time and temperature for the next

time period (Leave). Repeat steps 2 and 3

for each weekday time period.

Press SET to set weekend time periods

(Sat-Sun), then press RUN to save & exit.

Press SET, then set desired temperature

Set To

Set Schedule

Heat

Note: Make sure the thermostat is set to the

system you want to program (Heat or Cool).

:30

Wake

MonTueWedThuFri

Note: To cancel an unwanted time period (except

Wake), press and hold

+ HOLD for 4 seconds

while in the Set Schedule mode.

Operating Manual

Program schedule override (temporary)

Press to temporarily adjust temperature

Press

to immediately adjust the

Temporary

temperature.This will temporarily override

the temperature setting for the current time

period.

Set To

:30

The new temperature will be maintained

only until the next programmed time period

begins (see page 10). For example, if you

want to turn up the heat early in the morn-

ing, it will automatically be lowered later,

when you leave for the day.

Press to resume program schedule

Set To

:30

To cancel the temporary setting at any time,

press RUN.

Note: Make sure the thermostat is set

to the system you want to control

(heat or cool).

PRO TH4110B Programmable Thermostat

Program schedule override (permanent)

Press to permanently adjust temperature

Press HOLD to permanently adjust the

temperature.This will override the

Hold

Set To

temperature settings for all time periods.

:30

The“Hold” feature turns off the program

schedule and allows you to adjust the

thermostat manually, as needed.

Press to resume program schedule

Whatever temperature you set will be

maintained 24 hours a day, until you

manually change it, or press RUN to cancel

“Hold”and resume the program schedule.

Set To

:30

Note: Make sure the thermostat is set

to the system you want to control

(heat or cool).

Operating Manual

Built-in compressor protection

This feature helps prevent damage to the

compressor in the air conditioning or heat

pump system.

Inside

Set To

6:30

Wed

Cool

Damage can occur if the compressor is re-

started too soon after shutdown.This feature

forces the compressor to wait for a few

minutes before restarting.

Wake

During the wait time, the message Cool On

Message flashes until safe

restart time has elapsed

(or Heat On if you have a heat pump) will

flash on the display.When the safe wait time

has elapsed, the message stops flashing and

the compressor turns on.

PRO TH4110B Programmable Thermostat

Battery replacement

Grasp and pull to

remove thermostat

Install fresh batteries immediately

when the REPLACE BATT warning begins

flashing.The warning flashes about

two months before the batteries are

depleted.

Turn thermostat over,

insert fresh AA alkaline

batteries, then reinstall

thermostat

Even if the warning does not appear,

you should replace batteries once a

year,or before leaving home for more

than a month.

If batteries are inserted within 1

minute,the time and day will not have

to be reset. All other settings are

permanently stored in memory,and

do not require battery power.

Operating Manual

In case of difficulty

If you have difficulty with your thermostat, please try the suggestions below. Most

problems can be corrected quickly and easily.

Display is blank

•

Make sure fresh AA alkaline batteries are correctly installed (see page 15).

Heating or

cooling system

does not respond

Set system switch to Heat (see page 7). Make sure the temperature is

set higher than the Inside temperature.

Set system switch to Cool (see page 7). Make sure the temperature is

set lower than the Inside temperature.

•

Check circuit breaker and reset if necessary.

Make sure power switch at heating & cooling system is on.

Make sure furnace door is closed securely.

Wait 5 minutes for the system to respond.

PRO TH4110B Programmable Thermostat

In case of difficulty

Temperature

settings do not

change

Make sure heating and cooling temperatures are set to acceptable ranges:

•

Heat: 40° to 90°F (4.5° to 32°C).

Cool: 50° to 99°F (10° to 37°C).

“

Cool On” or

Heat On” is

•

Compressor protection feature is engaged. Wait 5 minutes for the system

to restart safely, without damage to the compressor (see page 14).

flashing

“

Heat On” is

•

Set the System switch to Heat, and set the temperature level above the

current room temperature (see page 7).

not displayed

“Cool On” is

Set the System switch to Cool, and set the temperature level below the

current room temperature (see page 7).

not displayed

To restore

Energy Star

default settings

Follow these steps to restore Energy Star default settings (see page 10):

Press SET 3 times to display “Set Schedule.”

Press and hold SET and RUN at the same time for 4 seconds.

Press RUN.

Operating Manual

Customer assistance

Grasp and pull to

remove thermostat

For assistance, please visit

www.honeywell.com/yourhome.

Or call Honeywell Customer Care

toll-free at 1-800-468-1502.

Turn thermostat over

to find model number

and date code

To save time, please note your model

number and date code before calling.

Accessories

For accessories, please call Honeywell

Customer Care toll-free at

1-800-468-1502.

Cover plate................Part No. 50002883-001

Used to cover marks left by old thermostats.)

(

PRO TH4110B Programmable Thermostat

Limited 2-year warranty

Honeywell warrants this product, excluding battery, to be free from defects in the

workmanship or materials, under normal use and service, for a period of two (2)

years from the date of purchase by the consumer. If at any time during the warranty

period the product is determined to be defective or malfunctions, Honeywell shall

repair or replace it (at Honeywell's option).

If the product is defective,

(i) return it, with a bill of sale or other dated proof of purchase, to the place from

which you purchased it; or

(ii) call Honeywell Customer Care at 1-800-468-1502. Customer Care will make the

determination whether the product should be returned to the following address:

Honeywell Return Goods, Dock 4 MN10-3860, 1885 Douglas Dr. N., Golden Valley,

MN 55422, or whether a replacement product can be sent to you.

Operating Manual

Limited 2-year warranty

This warranty does not cover removal or reinstallation costs.This warranty shall

not apply if it is shown by Honeywell that the defect or malfunction was caused

by damage which occurred while the product was in the possession of a

consumer.

Honeywell's sole responsibility shall be to repair or replace the product within

the terms stated above. HONEYWELL SHALL NOT BE LIABLE FOR ANY LOSS OR

DAMAGE OF ANY KIND, INCLUDING ANY INCIDENTAL OR CONSEQUENTIAL

DAMAGES RESULTING, DIRECTLY OR INDIRECTLY, FROM ANY BREACH OF ANY

WARRANTY, EXPRESS OR IMPLIED, OR ANY OTHER FAILURE OF THIS PRODUCT.

Some states do not allow the exclusion or limitation of incidental or consequential

damages, so this limitation may not apply to you.

PRO TH4110B Programmable Thermostat

Limited 2-year warranty

THIS WARRANTY IS THE ONLY EXPRESS WARRANTY HONEYWELL MAKES ON

THIS PRODUCT.THE DURATION OF ANY IMPLIED WARRANTIES, INCLUDING

THE WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR

PURPOSE, IS HEREBY LIMITEDTOTHETWO-YEAR DURATION OFTHIS WARRANTY.

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

above limitation may not apply to you.

This warranty gives you specific legal rights, and you may have other rights which

vary from state to state.

If you have any questions concerning this warranty, please write Honeywell

Customer Relations, 1985 Douglas Dr, Golden Valley, MN 55422 or call

1-800-468-1502. In Canada, write Retail Products ON15-02H, Honeywell Limited/

Honeywell Limitée, 35 Dynamic Drive, Scarborough, Ontario M1V4Z9.

Automation and Control Solutions

Honeywell International Inc.

985 Douglas Drive North

Honeywell Limited-Honeywell Limitée

35 Dynamic Drive

Golden Valley, MN 55422

Scarborough, Ontario M1V 4Z9

www.honeywell.com/yourhome

Printed in U.S.A. on recycled

paper containing at least 10%

post-consumer paper fibers.

® U.S. Registered Trademark.

69-1770 02-2005