Honeywell TH8321 Thermostat User Manual


 
PRODUCT DATA
68-0280-01
® U.S. Registered Trademark
© 2011 Honeywell International Inc.
All Rights Reserved
VisionPRO™ 8000 Touchscreen
Programmable Thermostat
APPLICATION
The VisionPRO 8000 Touchscreen Programmable Thermostat
is an effortless, 7-Day programmable thermostat that provides
universal system compatibility, precise comfort control and is
easy-to-program.
The TH8110 Thermostats provide temperature control for gas,
oil, electric and heat pumps for 1 heat, 1 cool systems.
The TH8320 Thermostats provide temperature control for gas,
oil, electric and heat pumps for up to 3 heat, 2 cool systems
including dual fuel operation.
The TH8321 Thermostats provide temperature control for gas,
oil, electric and heat pumps for up to 3 heat, 2 cool systems
including dual fuel operation plus dehumidification control.
FEATURES
Large, clear display with backlight shows the current
and set temperature and time—even in the dark.
Menu-driven programming make setup effortless.
Beautiful ergonomic design is smart and sophisticated
to match your customers’ lifestyle.
Touchscreen interaction
Real-time clock keeps time during power failures and
automatically updates to daylight savings.
"Saving Changes" notification lets you know when the
schedule changes have been saved.
Change/check reminders let you know when to service
or replace filters or batteries.
Various Hold options allow you to override the
program schedule, as desired.
Speedy same-schedule programming—no need to
copy multiple days.
Armchair programming allows you to remove the
thermostat from the wall for programming.
Programmable fan offers increased air quality when
combined with a Honeywell whole-house air cleaner.
Contents
Application/Features..........................................................1
Specifications/Ordering Information ..................................2
Installation .........................................................................4
Wiring ................................................................................5
Power the Thermostat.......................................................11
Installer Setup ...................................................................15
Installer System Test .........................................................20
Operation...........................................................................21
Programming.....................................................................23
Troubleshooting.................................................................38