Honeywell PRO TH4110B User manual

Operating

Manual

TH4110B

Programmable Thermostat

® U.S. Registered Trademark. Patents pending.

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Quick Reference Card

Grasp and pull to see basic

operating instructions at a glance.

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

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

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

PRO TH4110B Programmable Thermostat

AAbboouuttyyoouurrnneewwtthheerrmmoossttaatt

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

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

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

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

PPrrooggrraammmmiinngg&&OOppeerraattiioonn

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

AAppppeennddiicceess

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

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

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

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

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

Table of contents

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:

1SSeettttiimmeeaannddddaayy((rreeqquuiirreeddffoorrpprrooppeerrooppeerraattiioonn))................................See page 6

2SSeelleeccttssyysstteemmsseettttiinngg((HHeeaatt//CCooooll))::Preset to Heat..............To change, see page 7

3SSeelleeccttffaannsseettttiinngg((AAuuttoo//OOnn))::Preset to Auto ......................To change, see page 8

4PPrrooggrraammsscchheedduulleess::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.

•Off: Heating and cooling

systems are off.

Fan switch (see page 8)

On: Fan runs continuously.

Auto: Fan runs only when heating

or cooling system is on.

PRO TH4110B Programmable Thermostat

Inside Set To

75 6:30 AM

Wake Cool

°°

Replace Batt

Quick reference to display screen

Current inside

temperature

Low battery warning

(see page 15)

Current day/time (see page 6)

Current program period

Wake/Leave/Return/Sleep

(see pages 10-11)

Temperature setting

(see pages 11-13)

System status

Heat On/Cool On

(If flashing, see page 14)

Wed

Operating Manual

Set the time and day

1 Press the SSEETTbutton, then press

or to set the clock time.

2 Press the SSEETTbutton, then press

or to select the day of the

week.

3 Press RRUUNNto save & exit.

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.

Press SSEETT, then adjust time

6:30 AM

Set

Clock

Press SSEETT, then select current day

Wed

Set Day

PRO TH4110B Programmable Thermostat

System switch

The SSYYSSTTEEMMswitch can be set to con-

trol your heating or cooling system,

depending on the season.

•HHeeaatt::Thermostat controls only

the heating system.

•CCooooll::Thermostat controls only

the cooling system.

•OOffff::Heating and cooling

systems are off.

Set SSYYSSTTEEMMswitch to control the heating or

cooling system.

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

Fan switch

Set the FFAANNswitch 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 FFAANNswitch to choose whether the fan

runs continuously or only as needed.

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