Honeywell FocusPRO TH5220D User manual

Operating
Manual
TH5220D
Non-programmable Digital Thermostat

® U.S. Registered Trademark. Patents pending.
Copyright © 2005 Honeywell International Inc. All rights reserved.
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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
Battery Holder
Press down and pull to
remove batteries.
Batteries should be
replaced once a year
(see page 10).

FocusPRO™TH5220D Non-programmable Digital Thermostat
1
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Thermostat features ........................2
Setup at a glance ............................3
Quick reference to controls............4
Quick reference to display..............5
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Fan setting (auto/on) ......................6
System setting (heat/cool/auto)........7
Auto-changeover (heat/cool) ..........8
Compressor protection ..................9
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Battery replacement......................10
In case of difficulty ......................11
Customer assistance......................13
Accessories/replacement parts ....13
Limited warranty ..........................14
Table of contents
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
2
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 control.
• Large, clear, backlit display is easy to read — even in the dark.
• Displays both room temperature and temperature setting.
• Removable battery holder for fast, easy replacement.
• Built-in compressor protection.

FocusPRO™TH5220D Non-programmable Digital Thermostat
3
This thermostat is ready to go!
Your new thermostat is pre-programmed by the installer and ready to use. Just
check the settings below and change if needed:
1FFaann((AAuuttoo//OOnn))::Preset to Auto............................................To change, see page 6
Auto is the most commonly used setting, but you may
prefer On for improved air circulation.
2SSyysstteemm((HHeeaatt//CCooooll//AAuuttoo//EEmm..HHeeaatt))::Preset to Heat ..........To change, see page 7
You can select heating or cooling, or set the system
to control both systems automatically, if needed.

Operating Manual
4
Quick reference to controls
Digital display (see page 5) Battery holder (see page 10)
Temperature buttons
Press to set preferred
temperature.
Function buttons
Press to select the function displayed just above each button.
(Functions change depending on the task.)

Inside Heat
Setting
75 75
Auxiliary
Heat On
System
Heat
Fan
Auto
°
°
Replace
Battery
FocusPRO™TH5220D Non-programmable Digital Thermostat
5
Quick reference to display screen
Current inside
temperature
Low battery warning
(seepage 10)
Temperature setting
System status
Heat On/Cool On
(If flashing, see page 9)
Auxiliary heat
(Only for heat pumps
with auxiliary heat)
Function buttons
Press the button beneath each function to view or change
settings (functions change depending on the task)
System setting
Heat/Cool/Auto/Off/
Em Heat (see page 7)
Fan setting
Auto/On
(see page 6)

Operating Manual
6
Select the fan setting
Press the FFAANNbutton to select 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.
System
Heat
Fan
Auto
System
Heat
Fan
On

FocusPRO™TH5220D Non-programmable Digital Thermostat
7
Select the system setting
Note: The Auto and Em Heat
system settings may not appear,
depending on how your
thermostat was installed.
Press the SSYYSSTTEEMMbutton to select:
•HHeeaatt::Thermostat controls only the
heating system.
•CCooooll::Thermostat controls only the
cooling system.
•OOffff::Heating and cooling systems are off.
•AAuuttoo::Thermostat automatically selects
heating or cooling depending on the
indoor temperature.
•EEmmHHeeaatt(only for heat pumps with
auxiliary heat):Thermostat controls
Emergency and Auxiliary Heat.
Compressor is locked out.
System
Cool
Fan
Auto
System
Heat
Fan
Auto

Operating Manual
8
Auto Changeover (heat/cool)
Auto Changeover is a feature used in
climates where both air conditioning and
heating are used on the same day.When the
system is set to Auto, the thermostat
automatically selects heating or cooling
depending on the indoor temperature.
Heat and cool settings must be at least 3
degrees apart.The thermostat will automatically
adjust settings to maintain this 3-degree
separation (called “deadband”).
The 3-degree separation between heating
and cooling set temperatures is fixed, and
cannot be changed.
Press until screen
displays “Auto”
Note: The Auto system setting
may not appear, depending on
how your thermostat was
installed.
System
Auto
Fan
Auto