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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
® U.S. Registered Trademark.
US Patent No. 6595430, D509151 and other patents pending.
Copyright © 2007 Honeywell International Inc. All rights reserved.
BE CAREFUL! Never use sharp instruments, such as a pencil
or pen, to press touchscreen keys. To prevent damage to the
thermostat, always press keys with your fingertip.
This thermostat contains a Lithium battery which may contain Perchlorate material.
Perchlorate Material—special handling may apply,
See www.dtsc.ca.gov/hazardouswaste/perchlorate
This manual covers the following models
TH8110U: For 1 Heat/1 Cool systems
TH8320U: For up to 3 Heat/2 Cool systems
TH8321U: For up to 3 Heat/2 Cool systems with dehumidification
(Pull thermostat from wallplate and turn over to find model number)