Honeywell TH3110B User Manual

TH3110B

Non-programmable Digital Thermostat

Operating
Manual

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Copyright © 2005 Honeywell International Inc. All rights reserved.

PRO TH3110B Digital Thermostat

Table of contents

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

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

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

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

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

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

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

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

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

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

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

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

1

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

2

PRO TH3110B Digital Thermostat

Quick reference to controls

Digital display screen Temperature buttons

Fan switch
On: Fan runs continuously
Auto: Fan runs only when

heating or cooling system is on

3

Press to adjust temperature
settings

System switch

• Cool: Thermostat controls only
the cooling system

• Heat: Thermostat controls only
the heating system

• Off: Heating and cooling
systems are off

Operating Manual

Quick reference to display screen

Current inside temperature

Inside Set To

Low battery warning

°

75

75

Replace Batt

If flashing, compressor protection
is engaged (see page 8)

Heat On
Cool On

4

Temperature setting

°

System status

On when “calling” for
heating or cooling;
flashes when waiting for
compressor restart (see
page 8)