Why is my Honeywell FocusPRO TH6110D thermostat flashing 'cool on'?

The message "Cool On" will flash on the display during the compressor protection wait time. This feature forces the compressor to wait a few minutes before restarting, which helps prevent damage to the equipment. For more information, see page 8 of the manual.

How do I install the Honeywell FocusPRO TH6110D thermostat?

To install the thermostat, first separate the wallplate from the thermostat. Then, mount the wallplate using 3/16" holes for drywall or 7/32" holes for plaster. After the wallplate is mounted, insert the reference card. Finally, align the 4 tabs on the wallplate with the slots on the back of the thermostat and push gently until it snaps into place. Remember to push excess wire back into the wall opening and plug the wall opening with non-flammable insulation.

Why is my Honeywell FocusPRO TH6110D thermostat blinking 'heat on'?

The message "Heat On" will flash on the display during the compressor protection wait time (for heat pumps only). This feature forces the compressor to wait a few minutes before restarting, which helps prevent damage to the equipment. For more information, see page 8 of the manual.

Where can I find the wiring diagram for the Honeywell FocusPRO TH6110D thermostat?

The wiring diagrams for the TH6110D thermostat can be found under the "Wiring" section of the manual. Specifically, the TH6110D conventional terminal designations and TH6110D heat pump terminal designations are provided. For more information, see page 3 of the manual.

What HVAC systems is the Honeywell FocusPRO TH6110D thermostat compatible with?

The Honeywell FocusPRO TH6110D thermostat is compatible with 1 Heat/1 Cool systems. This includes system types such as gas, oil, or electric heat with air conditioning; warm air, hot water, high-efficiency furnaces, heat pumps, steam, gravity; heat only two-wire systems, three-wire zone valves (Series 20), and normally open zone valves; heat only with fan; cool only; and 750 mV heating systems. For more information, see page 1 of the manual.

How do I remove the Honeywell FocusPRO TH6110D thermostat from the wall?

To remove the thermostat from the wall, you need to pull to remove the wallplate from the new thermostat. It is easier to grasp the wallplate and remove it after completely removing the battery holder. For more information, see page 2 of the manual.

How do I access advanced settings on the Honeywell FocusPRO TH6110D thermostat?

To access the installer setup, press and hold the and FAN buttons until the display changes. To access the installer system test, press and hold the and buttons until the display changes.

How do I enter installer setup mode on the Honeywell FocusPRO TH6110D thermostat?

To enter installer setup mode, press and hold the and FAN buttons simultaneously until the display changes.

How do I adjust the temperature swing (differential) on my Honeywell FocusPRO TH6110D thermostat?

You can adjust the temperature swing by changing the Stage 1 heat cycle rate (CPH) in the installer setup. Options include 1, 3, 5, or 9 cycles per hour, with 5 CPH being the default for gas or oil furnaces of less than 90% efficiency. Other cycle rate options (2, 4, 6, 7, 8, 10, 11 or 12 CPH) are also available.

Can the Honeywell FocusPRO TH6110D thermostat be used with a multi-stage heating or cooling system?

The TH6110D model is specifically for 1 Heat/1 Cool systems. Multi-stage systems (up to 2 Heat/2 Cool) are covered by the TH6220D model.

Honeywell FocusPRO TH6110D Installation Manual

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Operating manual (28 pages)

Installation manual (16 pages)

Manual (16 pages)

Table Of Contents

Table of Contents

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Frequently Asked Questions (10)
See also: Owner's Manual, Installation Manual

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Guide

FocusPRO

TH6000

Series

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models

• TH6110D:

For 1 Heat/1

Cool sy_tem_

• TH6220D:

For up to 2 Heat/2

Cool sy_tem_

(Remove battery

holder to find model

number)

System

Types

•

Gas, oil, or electric

heat with air

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•

Warm air, hot water, high-

efficiency

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heat pumps,

steam, gravity

Heat only -- two-wire

systems,

three=wire

zone valve8

(Series

20), and normally

open zone

valve_

•

Heat only with fan

•

Cool only

•

750 mV heating

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® U.S.

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Patents

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Honeywell

international

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All

rights

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69-1920EF

Table of Contents

Why is my Honeywell FocusPRO TH6110D thermostat flashing 'cool on'?

The message "Cool On" will flash on the display during the compressor protection wait time. This feature forces the compressor to wait a few minutes before restarting, which helps prevent damage to the equipment.
For more information, see page 8 of the manual.

Was this helpful?
How do I install the Honeywell FocusPRO TH6110D thermostat?

To install the thermostat, first separate the wallplate from the thermostat. Then, mount the wallplate using 3/16" holes for drywall or 7/32" holes for plaster. After the wallplate is mounted, insert the reference card. Finally, align the 4 tabs on the wallplate with the slots on the back of the thermostat and push gently until it snaps into place. Remember to push excess wire back into the wall opening and plug the wall opening with non-flammable insulation.

Was this helpful?
Why is my Honeywell FocusPRO TH6110D thermostat blinking 'heat on'?

The message "Heat On" will flash on the display during the compressor protection wait time (for heat pumps only). This feature forces the compressor to wait a few minutes before restarting, which helps prevent damage to the equipment.
For more information, see page 8 of the manual.

Was this helpful?
Where can I find the wiring diagram for the Honeywell FocusPRO TH6110D thermostat?

The wiring diagrams for the TH6110D thermostat can be found under the "Wiring" section of the manual. Specifically, the TH6110D conventional terminal designations and TH6110D heat pump terminal designations are provided.

For more information, see page 3 of the manual.

Was this helpful?
What HVAC systems is the Honeywell FocusPRO TH6110D thermostat compatible with?

The Honeywell FocusPRO TH6110D thermostat is compatible with 1 Heat/1 Cool systems. This includes system types such as gas, oil, or electric heat with air conditioning; warm air, hot water, high-efficiency furnaces, heat pumps, steam, gravity; heat only two-wire systems, three-wire zone valves (Series 20), and normally open zone valves; heat only with fan; cool only; and 750 mV heating systems.

For more information, see page 1 of the manual.

Was this helpful?
How do I remove the Honeywell FocusPRO TH6110D thermostat from the wall?

To remove the thermostat from the wall, you need to pull to remove the wallplate from the new thermostat. It is easier to grasp the wallplate and remove it after completely removing the battery holder.

For more information, see page 2 of the manual.

Was this helpful?
How do I access advanced settings on the Honeywell FocusPRO TH6110D thermostat?

To access the installer setup, press and hold the and FAN buttons until the display changes. To access the installer system test, press and hold the and buttons until the display changes.

Was this helpful?
How do I enter installer setup mode on the Honeywell FocusPRO TH6110D thermostat?

To enter installer setup mode, press and hold the and FAN buttons simultaneously until the display changes.

Was this helpful?
How do I adjust the temperature swing (differential) on my Honeywell FocusPRO TH6110D thermostat?

You can adjust the temperature swing by changing the Stage 1 heat cycle rate (CPH) in the installer setup. Options include 1, 3, 5, or 9 cycles per hour, with 5 CPH being the default for gas or oil furnaces of less than 90% efficiency. Other cycle rate options (2, 4, 6, 7, 8, 10, 11 or 12 CPH) are also available.

Was this helpful?
Can the Honeywell FocusPRO TH6110D thermostat be used with a multi-stage heating or cooling system?

The TH6110D model is specifically for 1 Heat/1 Cool systems. Multi-stage systems (up to 2 Heat/2 Cool) are covered by the TH6220D model.

Was this helpful?