Honeywell TH8320ZW User manual

Operating
Manual
TH8320ZW
Touchscreen Thermostat
69-2485EFS-05

ENGLISH
Read and save these instructions.
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. 6,574,581, 6,975,958, 7,114,554, 7,346,467, 7,636,604, 7,693,582, 7,788,936, 7,845,576, and other patents pending.
Copyright © 2013 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
M29343

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About your new thermostat
Thermostat features ............................... 2
Programming at a glance ....................... 3
Quick reference to controls .................... 4
Quick reference to status display ........... 5
Settings
Clock setting........................................... 6
Fan setting.............................................. 7
System setting........................................ 8
Programming & Operation
Screen lock............................................. 9
Screen cleaning.................................... 10
Battery replacement ............................. 11
Advanced functions .............................. 12
Appendices
In case of difficulty................................ 18
Regulatory information ......................... 20
Limited warranty ................................... 21
This thermostat is ready to go!
Your new thermostat is pre-
programmed and ready to go.
See page 3 to check settings.
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).
TH8320ZW

2
About your new thermostat
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Congratulations! You’ve just purchased the world’s most advanced, easy-to-use themo-
stat. It has been designed to give you many years of reliable service and touchscreen
climate control.
Features
• One-touch temp control overrides program schedule at any time.
• Precise comfort control keeps temperature within 1°F of the level you set.
• Change/check reminders let you know when to service or replace filters and other
critical components.
• Large touchscreen display with backlight is easy to read—even in the dark.
• Z-Wave wireless control lets you connect the thermostat to a Z-Wave network.

TH8320ZW
3
About your new thermostat
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Your new thermostat is pre-programmed and ready to go. Just set the time and day.
Then check the settings below and change if needed:
1. Set clock ........................................................................................................See page 6
2. Select fan setting: Preset to Auto ................................................................See page 7
3. Select system setting: Preset to Heat.........................................................See page 8
This thermostat is ready to go!

4
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SUN
MON TUE WED THU FRI SAT SUN
M32520A
Press day(s) to set program schedule
Press to select fan
operation (see page 7)
Press to select system
type (see page 8)
Press to set schedule
Press to adjust
temperature settings
Press for more options
(select models only)
Press to override
program schedule
Press to set clock
(see page 6)
Press to lock keypad for 30
seconds to clean screen
(see page 10)
Quick reference to controls

TH8320ZW
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SCHEDHOLDCLOCK SCREEN
AM
FAN
AUTO
SYSTEM
HEAT
Following
Schedule
Inside Set To
70
8:10
75
SUN
Recovery
M32521
Current inside temperature
Current day of week Temperature setting
Program schedule on
(does not display
when off)
Fan setting
Other display messages:
• Cool On: Cooling system is activated
• Heat On: Heating system is activated
• Aux Heat On: Auxiliary heating system is activated
Quick reference to status display
System setting
Current time Adaptive Intelligent
Recovery in effect

6
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DONE CANCEL
WED
AM
FAN
AUTO
Inside Set To
70
6:02
70
M32528
SCHEDHOLD CLOCK SCREEN MORE
WED
AM
FAN
AUTO
Inside Set To
70
6:01
70
M32527
To set the current time display, press CLOCK,
then press s or t to adjust the time. Press
and hold s or t to advance the time more
quickly.
Press DONE to save & exit (or press CANCEL to
exit without changing the time).
Note: The real-time clock should never require
adjustment since it automatically updates for
daylight savings time, and stores all date/time
information.
Note: To change the current week day display,
see page 13.
Press CLOCK
Adjust time, then press DONE
Clock setting

TH8320ZW
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SCHED HOLD CLOCK SCREEN
WED
AM
SYSTEM
HEAT
Following
Schedule
Inside Set To
70
6:01
70
FAN
AUTO
M32529
Press FAN to select fan operation, then press
DONE.
• On: Fan is always on.
• Auto: Fan runs only when the heating or
cooling system is on.
• Circ: Fan runs randomly, about 35% of
the time, including any run time with the
heating or cooling system.
You can press FAN to override the fan settings
you’ve programmed for different time periods.
If you select On or Circ, the setting you select
will remain active until you press FAN again
to select Auto (see page 19 for more informa-
tion).
PressFAN
Fan setting
Note: If a fan schedule is programmed,
“Auto” will run the fan schedule.

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SCHEDHOLDCLOCK SCREEN
WED
AM
Inside
6:01
70
SYSTEM
HEAT
FAN
AUTO
Following
Schedule
Set To
70
M32522
Press the SYSTEM button to select, then press
DONE.
• Heat: Thermostat controls only the
heating system.
• Cool: Thermostat controls only the cooling
system.
• Off: Heating and cooling systems are off.
• Auto: Thermostat automatically selects
heating or cooling depending on the
indoor temperature.
• Em Heat (only for heat pumps with
auxiliary heat): Thermostat controls
Emergency and Auxiliary Heat.
System setting
Press SYSTEM