Honeywell 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
AAppppeennddiicceess
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:
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Preset to Auto............................................To change,see page 6
Auto is the most commonly used setting, but you may
prefer On for improved air circulation.
2
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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.)
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