FocusPRO
®
TH6000 Series
Programmable Thermostat
® U.S. Registered Trademark. Patents pending.
Copyright © 2009 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://customer.honeywell.com
or call Honeywell Customer Care toll-free at 1-800-468-1502
69-1920EFS-01
This manual covers the following models
• TH6110D:For1Heat/1Coolsystems
• TH6220D:Forupto2Heat/2Coolsystems
• TH6320U:Forupto3Heat/2Coolsystems
(Remove battery holder to find model number)
System Types
• Gas,oil,orelectricheatwithair
conditioning
• Warmair,hotwater,high-
efficiencyfurnaces,heatpumps,
steam,gravity
• Heatonly—two-wiresystems,
three-wire zone valves (Series
20),andnormallyopenzone
valves
• Heatonlywithfan
• Coolonly
• 750mVheatingsystems