Honeywell TH3110B Thermostat User Manual

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 TH3110B Digital Thermostat

Table of contents

About your new thermostat

Appendices

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

Quick reference to controls............3

Quick reference to display..............4

Battery replacement........................9

In case of difficulty ......................10

Customer assistance......................12

Accessories....................................12

Limited warranty ..........................13

Thermostat Operation

System switch (Heat/Cool) ............5

Fan switch (Auto/On) ....................6

Temperature controls......................7

Compressor protection ..................8

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

•

One-touch temperature controls

Large, clear backlit display is easy to read, even in the dark

Switchable fan control (auto or continuous fan)

Displays both room temperature and temperature setting

Built-in compressor protection

PRO TH3110B Digital Thermostat

Quick reference to controls

Digital display screen

Temperature buttons

Press to adjust temperature

settings

System switch

•

Cool: Thermostat controls only

the cooling system

Heat: Thermostat controls only

the heating system

Fan switch

Off: Heating and cooling

systems are off

On: Fan runs continuously

Auto: Fan runs only when

heating or cooling system is on

Operating Manual

Quick reference to display screen

Current inside temperature

Temperature setting

Inside

Set To

Low battery warning

System status

On when “calling” for

heating or cooling;

flashes when waiting for

compressor restart (see

page 8)

Heat On

Cool On

Replace Batt

If flashing, compressor protection

is engaged (see page 8)

PRO TH3110B Digital Thermostat

System switch

The SYSTEM switch can be set to

control your heating or cooling

system, depending on the season.

When set to the Off position, the

thermostat will not activate the

heating or cooling system.

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 TH3110B Digital Thermostat

Temperature controls

Press the temperature adjustment

buttons until the temperature you

want is displayed in the upper right

portion of the screen.

Inside

Set To

8 ⁷⁵

Cool On

Note: Make sure the SYSTEM switch is

set to the system you want to

control (Heat or Cool).

Desired

temperature

Temperature adjustment

buttons

Operating Manual

Built-in compressor protection

This feature helps prevent damage to the

compressor in your air conditioning or heat

pump system.

Inside

Set To

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.

Cool On

During the wait time, the display will flash

the message Cool On (or Heat On if you

have a heat pump).When the safe wait time

has elapsed, the message stops flashing and

the compressor turns on.

Message flashes until safe

restart time has elapsed

PRO TH3110B Digital 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.

Always replace both batteries with

fresh,AA alkaline batteries.

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 9).

Heating or

cooling system

does not respond

Set system switch to Heat (see page 5). Make sure the temperature is

set higher than the Inside temperature.

Set system switch to Cool (see page 5). 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 TH3110B Digital 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 8).

flashing

“Heat On” is

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

current room temperature (see page 5).

not displayed

“Cool On” is

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

current room temperature (see page 5).

not displayed

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 TH3110B Digital 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 TH3110B Digital 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 LIMITED TO THE TWO-YEAR DURATION OF THIS

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.

Honeywell Limited-Honeywell Limitée

35 Dynamic Drive

1985 Douglas Drive North

Golden Valley, MN 55422

Scarborough, Ontario M1V 4Z9

www.honeywell.com/yourhome

U.S. Registered Trademark. Patents pending.

Printed in U.S. Document number 69-1758. Date 01-2005.