Honeywell TH8320ZW User Manual
TH8320ZW
Touchscreen Thermostat
Operating
Manual
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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
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Perchlorate material.
Perchlorate Material—special handling may apply,
See www.dtsc.ca.gov/hazardouswaste/perchlorate
M29343
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
Read and save these instructions.
US Patent No. 6,574,581, 6,975,95 8, 7,114,554, 7,346,467, 7,636,60 4, 7,693,582, 7,788,93 6, 7,845,576, and other patents pen ding.
Copyri ght © 2013 Honey well Inte rnational Inc. Al l rights r eserve d.
® U.S. Registered Tradem ark.
Table of contents
TH8320ZW
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 preprogrammed and ready to go.
See page 3 to check settings.
CAUTION: EQUIPMENT DAMAGE
HAZARD. To prevent possible
compressor damage, do not operate
cooling system when outdoor
temperature is below 50˚F (10˚C).
1
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About your new thermostat
Congratulations! You’ve just purchased the world’s most advanced, easy-to-use themostat. It has been designed to give you many years of reliable service and touchscreen
climate control.
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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.
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2
TH8320ZW
About your new thermostat
This thermostat is ready to go!
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
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Quick reference to controls
Press day(s) to set program schedule
Press to select fan
operation (see page 7)
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Press to select system
type (see page 8)
Press to set schedule
Press to override
program schedule
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MON
TUE WED
SUN
Press to set clock
(see page 6)
FRI
THU
SAT SUN
temperature settings
Press for more options
(select models only)
Press to adjust
M32520A
Press to lock keypad for 30
seconds to clean screen
(see page 10)
4
Quick reference to status display
TH8320ZW
Current day of week
Fan setting
System setting
Current time
Current inside temperature
FAN
AUTO
SYSTEM
HEAT
Other display messages:
• Cool On: Cooling system is activated
• Heat On: Heating system is activated
• Aux Heat On: Auxiliary heating system is activated
Inside
75
SUN
8:10
SCHEDHOLDCLOCK SCREEN
Set To
70
Following
Schedule
AM
5
Recovery
Temperature setting
Program schedule on
(does not display
when off)
Adaptive Intelligent
Recovery in effect
M32521
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WED
FAN
AUTO
Inside
Set To
70
6:01
70
Clock setting
Press CLOCK
AM
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SCHEDHOLD CLOCK SCREEN MORE
Adjust time, then press DONE
FAN
Inside
AUTO
70
WED
6:02
DONE CANCEL
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Set To
AM
70
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
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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.
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6
Fan setting
Inside
FAN
AUTO
SYSTEM
HEAT
Note: If a fan schedule is programmed,
“Auto” will run the fan schedule.
70
WED
6:01
SCHED HOLD CLOCK SCREEN
AM
PressFAN
Set To
70
Following
Schedule
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.
M32529
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).
TH8320ZW
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System setting
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FAN
AUTO
SYSTEM
HEAT
Inside
70
6:01
SCHEDHOLDCLOCK SCREEN
WED
AM
Press SYSTEM
Set To
70
Following
Schedule
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
M32522
indoor temperature.
• Em Heat (only for heat pumps with
auxiliary heat): Thermostat controls
Emergency and Auxiliary Heat.
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8
About your new thermostat
Screen lock
TH8320ZW
WED
FAN
Inside
AUTO
70
SYSTEM
HEAT
6:00
SCHED HOLD CLOCK SCREEN MORE
See advanced function 0670 (page 17) for
screen lock options
PM
SCREEN LOCKED
Set To
70
Following
Schedule
M29357
To prevent tampering, the screen can be partially 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 function. To lock or unlock the screen, see advanced
function on page 17.
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About your new thermostat
Following
Schedule
Inside
Set To
SCREEN LOCKED
70
70
FAN
AUTO
Screen cleaning
Press SCREEN
WED
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SCHEDHOLDCLOCK SCREEN USAGE
Screen lock timer (30 seconds)
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6:00
PM
M32526
M32523
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.
10
Battery replacement
Remove tab.
M32429
TH8320ZW
The thermostat is shipped from the
factory with the coin cell installed.
To keep the battery from discharging 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.
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TUE
Inside
Set To
70
70
FAN
AUTO
TUE
Inside
Set To
70
6:01
70
FAN
AUTO
SYSTEM
HEAT
SUN
Advanced functions
SYSTEM
HEAT
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SUN
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2. Press and hold blank center key until the display changes.1. Press SYSTEM.
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3. Change settings as
required (see pages
13-17).
4. Press DONE to exit &
save changes.
12
AM
DONE CANCEL
Function Setting
0120
DONE
Press s / t to
select function
20
Press s / t to
change setting
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M32531
Advanced functions
Year setting (first two digits)
Function
0120
Options: 20 = Yea r 20xx
Year setting (second two digits)
0130
Options: 01 - 99 (i.e., 2001 - 2099)
Month setting
0140
Options: 1 - 12 (i.e., January - December)
Date setting
0150
Options: 1 - 31
Program schedule on/off
0160
Options: 0 Non-programmable
Press s / t to change the first two digits of the year:
21 = Year 21xx
Press s / t to change the last two digits of the year:
Press s / t to change the current month:
Press s / t to change the current date:
Press s / t to turn the program schedule on or off:
4 Programmable
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TH8320ZW
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Advanced functions
Restore Energy Saving Schedule
Function 0165
Options: 0 No
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Continuous Backlight
Press s / t to restore the Energy Saving Schedule
1 Yes
0280
Options: 0 No
Press s / t to set the continuous backlight
1 Yes
Temperature format (°F/°C)
0320
Options: 0 Fahrenheit
Press s / t to set the temperature display format:
1 Celsius
Daylight savings time on/off
0330 The thermostat is pre-programmed to automatically adjust to daylight savings time.
Options: 0 Off: No adjustment for daylight savings time
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Press s / t to select an option:
1 On: Auto-change to daylight savings time (for areas that do not use the new
DST calendar)
14
Advanced functions
Furnace Filter Change Reminder
Function
0500
Options: 0 Off
UV Lamp Replacement Reminder
0520
Options: 0 Off
Press s / t to set the filter-change reminder
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
Press s / t to set the UV lamp replacement reminder
1 365 days
2 730 days
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TH8320ZW
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Advanced functions
Adaptive Intelligent Recovery
0530
Options: 0 Off
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Program schedule periods
0540
Options: 2 Two program periods (Wake, Sleep)
Heat Energy Saving Setpoint
0615
Options: 40-90° F 65
Cool Energy Saving Setpoint
0616
Options: 50-99° F 78
Clock format
Press s / t to set Adaptive Intelligent Recovery
1 On
Press s / t to set the number of program periods:
4 Four program periods (Wake, Leave, Return, Sleep)
Press s / t to set the Heat energy savings setpoint
4.5-32° C 18.5
Press s / t to set the Cool energy savings setpoint
10-37° C 25.5
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16
Advanced functions
TH8320ZW
Function
0640
Options: 12 12-hour clock (i.e., “3:30 pm”)
Press s / t to set the clock display format:
24 24-hour clock (i.e., “15:30”)
Screen lock
0670
Options: 0 Screen is unlocked (fully functional)
Press s / t to choose a screen lock setting (see page 7):
1 All functions locked except temperature controls and CANCEL key
2 Screen is fully locked
Z-Wave Inclusion
RF10
Options: 0 Exclude
Press s / t to connect to Z-Wave network
1 Include
Share Z-Wave Node Information
RF20
Options: 0 Idle
Press s / t to share the Z-Wave node information
1 Send node
17
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In case of difficulty
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.
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• 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)
Backlight is dim • If thermostat is AC powered, a dim display is normal. The backlight
Thermostat shows
the calendar
screen (year, date,
& month) when the
power is restored
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• 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)
remains on at a low level, and brightens when a key is pressed.
• This indicates that the coin cell battery has drained out. Replace the
coin cell battery immediately.
18
In case of difficulty
TH8320ZW
Heating or cooling
system does not
respond
Display shows
Fan Auto and On
or Auto and Circ
at the same time
• Press SYSTEM to set system to Heat. Make sure the temperature is set
higher than the Inside temperature.
• Press SYSTEM to set system to Cool. Make sure the temperature is set
lower than the Inside temperature.
• Check circuit breaker and reset if necessary.
• Make sure power switch at heating & cooling system is on.
• Make sure furnace door is closed securely.
• If “Wait” is displayed, the compressor protection timer is on. Wait
5 minutes for the system to restart safely, without damaging the
compressor.
• This is normal operation. Auto indicates the thermostat is following the
programmed fan setting. If Auto and On is shown, the fan is scheduled for
“On” during this period (see page 7).
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Regulatory Information
FCC Compliance Statement (Part 15.19) (USA only). This device complies with Part 15 of the FCC Rules. Operation is subject to the following two conditions: 1) this device may not cause harmful interference, and 2) this device must accept any interference
received, including interference that may cause undesired operation.
FCC Warning (Part 15.21) (USA only). Changes or modifications not expressly approved by the party responsible for compliance could void the user’s authority to operate the equipment.
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FCC Interference Statement (Part 15.105 (b)) (USA only). This equipment has been tested and found to comply with the
limits for a Class B digital device, pursuant to Part 15 of the FCC Rules. These limits are designed to provide reasonable protection
against harmful interference in a residential installation. This equipment generates, uses, and can radiate radio frequency energy and,
if not installed and used in accordance with the instructions, may cause harmful interference to radio communications. However, there
is no guarantee that interference will not occur in a particular installation. If this equipment does cause harmful interference to radio or
television reception, which can be determined by turning the equipment off and on, the user is encouraged to try to correct the interference by one of the following measures:
• Reorient or relocate the receiving antenna.
• Increase the separation between the equipment and receiver.
• Connect the equipment into an outlet on a circuit different from that to which the receiver is connected.
• Consult the dealer or an experienced radio/TV technician for help.
Section 7.1.2 of RSS-GEN. Under Industry Canada regulations, this radio transmitter may only operate using an antenna of a
type and maximum (or lesser) gain approved for the transmitter by Industry Canada. To reduce potential radio interference to other
users, the antenna type and its gain should be so chosen that the equivalent isotropically radiated power (e.i.r.p.) is not more than that
necessary for successful communication.
Section 7.1.3 of RSS-GEN. This Device complies with Industry Canada License-exempt RSS standard(s). Operation is subject to
the following two conditions: 1) this device may not cause interference, and 2) this device must accept any interference, including inter-
ference that may cause undesired operation of the device.
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