FocusPRO
TM
TH6000 Series
Programmable Thermostat
® U.S. Registered Trademark. Patents pending.
Copyright © 2006 Honeywell International Inc.
All rights reserved.
Installation
Guide
Must be installed by a trained, experienced technician
Read these instructions carefully. Failure to follow these instructions
can damage the product or cause a hazardous condition.
Need Help?
For assistance with this product please visit
http://yourhome.honeywell.com
or call Honeywell Customer Care toll-free at
1-800-468-1502
69-1920ES
This manual covers the following models
• TH6110D: For 1 Heat/1 Cool systems
• TH6220D: For up to 2 Heat/2 Cool systems
• TH6320U: For up to 3 Heat/2 Cool systems
(Remove battery holder to find model number)
System Types
• 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
• 750 mV heating systems
