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

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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
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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!

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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

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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

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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

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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

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9
About your new thermostat
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M29357
SCHED HOLD CLOCK SCREEN MORE
WED
PM
Following
Schedule
Inside Set To
SCREEN LOCKED
70
6:00
70
FAN
AUTO
SYSTEM
HEAT
Screen lock
To prevent tampering, the screen can be par-
tially or fully locked.
When partially locked, the screen displays
SCREEN LOCKED for several seconds if a locked
key is pressed. To unlock the screen, press any
unlocked key while SCREEN LOCKED appears on
the screen.
When the screen is fully locked, no keys func-
tion. To lock or unlock the screen, see advanced
function on page 17.
See advanced func-
tion 0670 (page 17) for
screen lock options

10
About your new thermostat
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SCHEDHOLDCLOCK SCREEN USAGE
WED
PM
Following
Schedule
Inside Set To
SCREEN LOCKED
70
6:00
70
FAN
AUTO
M32526
M32523
Screen cleaning
Press SCREEN to lock the screen for cleaning.
The screen will remain locked for 30 seconds
so you can clean the screen without changing
any settings.
After 30 seconds, press DONE to resume
normal operation, or press SCREEN again if
you require more time for cleaning.
Note: Do not spray any liquid directly on
the thermostat. Spray liquids onto a cloth,
then use the damp cloth to clean the screen.
Use water or household glass cleaner. Avoid
abrasive cleansers.
Press SCREEN
Screen lock timer (30 seconds)

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Battery replacement
The thermostat is shipped from the
factory with the coin cell installed.
To keep the battery from discharg-
ing during shipment and storage, the
thermostat is shipped with a plastic
tab inserted in the battery holder.
This tab must be removed during
installation. Simply pull the plastic tab
out of the battery tray. Make sure that
the battery tray is fully inserted into
the thermostat.
Remove tab.
M32429

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DONE
TUE
Inside Set To
70
0120
70
20
FAN
AUTO
M32531
DONE CANCEL
TUE
AM
Inside Set To
70
6:01
70
FAN
AUTO
SYSTEM
HEAT
SUN
M32530
SUN
SYSTEM
HEAT
M32525
Advanced functions
2. Press and hold blank center key until the display changes.1. Press SYSTEM.
Press s / t to
select function
Function Setting
Press s / t to
change setting
3. Change settings as
required (see pages
13-17).
4. Press DONE to exit &
save changes.

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Advanced functions
Year setting (first two digits)
Function
0120 Press s / t to change the first two digits of the year:
Options: 20 = Year 20xx
21 = Year 21xx
Year setting (second two digits)
0130 Press s / t to change the last two digits of the year:
Options: 01 - 99 (i.e., 2001 - 2099)
Month setting
0140 Press s / t to change the current month:
Options: 1 - 12 (i.e., January - December)
Date setting
0150 Press s / t to change the current date:
Options: 1 - 31
Program schedule on/off
0160 Press s / t to turn the program schedule on or off:
Options: 0 Non-programmable
4 Programmable

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Advanced functions
Restore Energy Saving Schedule
Function 0165 Press s / t to restore the Energy Saving Schedule
Options: 0No
1 Yes
Continuous Backlight
0280 Press s / t to set the continuous backlight
Options: 0No
1 Yes
Temperature format (°F/°C)
0320 Press s / t to set the temperature display format:
Options: 0 Fahrenheit
1 Celsius
Daylight savings time on/off
0330 The thermostat is pre-programmed to automatically adjust to daylight savings time.
Press s / t to select an option:
Options: 0 Off: No adjustment for daylight savings time
1 On: Auto-change to daylight savings time (for areas that do not use the new
DST calendar)

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Advanced functions
Furnace Filter Change Reminder
Function
0500 Press s / t to set the filter-change reminder
Options: 0 Off
1 10-day run time (about 1 month)
2 30-day run time (about 3 months)
3 60-day run time (about 6 months)
4 90-day run time (about 9 months)
5 120-day run time (about 1 year)
6 180-day run time (about 1.5 years)
7 270-day run time (about 2 years)
8 365-day run time (about 3 years)
9 30 calendar days
10 60 calendar days
11 90 calendar days
12 120 calendar days
13 180 calendar days
14 365 calendar days
UV Lamp Replacement Reminder
0520 Press s / t to set the UV lamp replacement reminder
Options: 0 Off
1 365 days
2 730 days

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Advanced functions
Adaptive Intelligent Recovery
0530 Press s / t to set Adaptive Intelligent Recovery
Options: 0 Off
1 On
Program schedule periods
0540 Press s / t to set the number of program periods:
Options: 2 Two program periods (Wake, Sleep)
4 Four program periods (Wake, Leave, Return, Sleep)
Heat Energy Saving Setpoint
0615 Press s / t to set the Heat energy savings setpoint
Options: 40-90° F 65
4.5-32° C 18.5
Cool Energy Saving Setpoint
0616 Press s / t to set the Cool energy savings setpoint
Options: 50-99° F 78
10-37° C 25.5
Clock format

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Advanced functions
Function
0640 Press s / t to set the clock display format:
Options: 12 12-hour clock (i.e., “3:30 pm”)
24 24-hour clock (i.e., “15:30”)
Screen lock
0670 Press s / t to choose a screen lock setting (see page 7):
Options: 0 Screen is unlocked (fully functional)
1 All functions locked except temperature controls and CANCEL key
2 Screen is fully locked
Z-Wave Inclusion
RF10 Press s / t to connect to Z-Wave network
Options: 0 Exclude
1 Include
Share Z-Wave Node Information
RF20 Press s / t to share the Z-Wave node information
Options: 0 Idle
1 Send node

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If you have difficulty with your thermostat, please try the following suggestions.
Most problems can be corrected quickly and easily.
Display is blank • Check circuit breaker and reset if necessary.
• Make sure power switch at heating & cooling system is on.
• Make sure furnace door is closed securely.
No response to
key presses (or
temperature will
not change)
• Check to make sure the thermostat is not locked (see page 17).
• Make sure heating and cooling temperatures are set to acceptable ranges:
• Heat: 40° to 90°F (4.5° to 32°C)
• Cool: 50° to 99°F (10° to 37°C)
Backlight is dim • If thermostat is AC powered, a dim display is normal. The backlight
remains on at a low level, and brightens when a key is pressed.
Thermostat shows
the calendar
screen (year, date,
& month) when the
power is restored
• This indicates that the coin cell battery has drained out. Replace the
coin cell battery immediately.
In case of difficulty