Honeywell Th8321Wf1001 Installation Guide 33 00065 01 Wi Fi VisionPRO® 8000

2015-08-26

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Wi-Fi VisionPRO 8000
®

Installation Guide

Reference to key features
Current display. Underlined label
signifies the current display.
Mode control buttons. Use to change
settings for Fan or System Heat/Cool.
Menu. Select options to: set schedules,
view equipment status, change IAQ
settings, access installer options*, etc.
Current status. Shows system mode
(heat/cool), outdoor temperature and
humidity.
Current schedule. Shows desired
temperature and schedule status.
Indoor conditions. Shows indoor
temperature and humidity.
Current Time.

* Password is the date code.

Alert Light. On when alert
message is active or system is set to
Em Heat.

Getting started

Thermostat (back view)

Follow these basic steps to install this thermostat,
set installer options, and connect to the Wi-Fi
network.

TH8321WF1001

Residential/Résidentiel
1-800-468-1502
http://yourhome.honeywell.com
Commercial/Commerciale
1-888-245-1051
http://customer.honeywell.com
Honeywell, Golden Valley, MN 55422

1524

RoHs Compliant
Conformité RoHs
Assembled in Mexico
Assemblé au Mexique

M35343

M35344

Password
(Date Code)

TH8321WF1001

1-855-733-5465
http://yourhome.honeywell.com
Honeywell, Golden Valley, MN 55422

1524

RoHs Compliant
Conformité RoHs
Assembled in Mexico
Assemblé au Mexique

Installing the thermostat

Thermostat
Button

Separate wallplate from thermostat.
Press button on top and pull to remove
the wallplate.

Wallplate
(back view)
2

Mount wallplate as shown.
Mount new wallplate using screws
and anchors included with the
thermostat.
Drill 3/16-in holes for drywall.
Drill 7/32-in holes for plaster.
Wallplate

C
K
RC
R
U1
U1
U2
U2

O/B

AUX
-E

Y2
A

Y2
L/A

Connect power.
24VAC power is required. Connect
common side of transformer to C
terminal.

CONVENTIONAL

O/B

U1
U1

AUX
-E

L/A

HEAT PUMP

Wire the thermostat.
Refer to the table and wiring
diagrams on the next page.

CONVENTIONAL

C
K

a Turn on 24VAC NOW.
24VAC (C wire) is required.

RC
R
U1

O/B

AUX
-E

L/A

HEAT PUMP

Wallplate
5

Mount thermostat on wallplate.
Align thermostat at bottom and
snap into place as shown.

Thermostat

Terminal Designations
Conventional System
Description

Terminal

Heat Pump
Description

Terminal

Common wire from secondary side of
cooling transformer (if 2 transformers).

Common wire from secondary side of
cooling transformer.

Rc*

Cooling power.

Heating power.

Heat Stage 1

O/B

Heat Stage 2

AUX-E

Changeover valve for heat pumps.
Backup Heat/Emergency Heat

Compressor Stage 1

Compressor Stage 2

Fan Relay

Connect to Economizer Module or
Lighting Panel (TOD).

U1 / U1

Universal relay for humidification,
dehumidification, ventilation, or a stage of
heating/cooling.

U1 / U1

S1 / S1

Universal input for a wired indoor, outdoor
or discharge sensor.

S1 / S1

K**

Connect to Compressor Monitor, Zone
Panel, Economizer Module or Lighting
Panel (TOD).
Universal relay for humidification,
dehumidification, ventilation, or a stage of
heating/cooling.

L/A

Connect to K on Wire Saver module.

Universal input for a wired indoor, outdoor
or discharge sensor.

K**

Connect to K on Wire Saver module.

* Remove factory installed jumper for two transformer systems.
** The THP9045A1023 Wire Saver module is used on heat/cool systems when you only have four wires at the thermostat and you

need a fifth wire for a common wire. Use the K terminal in place of the Y and G terminals on conventional or heat pump systems to
provide control of the fan and the compressor through a single wire—the unused wire then becomes your common wire. See THP9045
instructions for more information.

POWERED HUMIDIFIER, DEHUMIDIFIER OR VENTILATOR
C
R

THERMOSTAT

NON-POWERED HUMIDIFIER, DEHUMIDIFIER OR VENTILATOR

SYSTEM
TRANSFORMER
24
VAC

24
VAC

120
VAC

RC
HUM, DEHUM OR
VENT
TRANSFORMER

R
POWERED
HUMIDIFIER,
DEHUMIDIFIER
OR VENTILATOR

U1
U1

24
VAC

C
THERMOSTAT

FIELD INSTALL JUMPER
BETWEEN R AND U1

R
U1

120
VAC

NON-POWERED
HUMIDIFIER,
DEHUMIDIFIER
OR VENTILATOR

DEHUMIDIFICATION WITH LOW SPEED FAN
SYSTEM

CONNECTING A HEAT OR COOL STAGE TO U1

TRANSFORMER
24
VAC

120
VAC

THERMOSTAT

TRANSFORMER
24
VAC

120
VAC

RC
FIELD INSTALL JUMPER
BETWEEN R AND U1

R
U1

DEHUMIDIFICATION
WITH LOW SPEED FAN

THERMOSTAT

SYSTEM
TRANSFORMER

120
VAC

Wire the thermostat universal relay to the low speed fan
for dehumidification control at the equipment. The
thermostat relay can be set to normally open or
normally closed in the thermostat installer setup.
Normally open, dry contacts
Normally closed, dry contacts

HEAT STAGE 3, COOL
STAGE 3, BACKUP HEAT
STAGE 2 FOR HEAT
PUMPS, OR GEOTHERMAL
RADIANT HEAT

U1 terminals are normally open dry contacts when set
up for a stage of heating or cooling.

You must install a field jumper if the stage of heating
or cooling is powered by system transformer. Do NOT
install a field jumper if the stage of heating has its own
transformer.

Performing installer setup
Setup options define the type of system you are installing and preferences for the
display.
1

Follow prompts on the screen to select the appropriate options. Among the
screens you might see wil be options for:
1.1 Application, either Residential or
Commercial.

1.2 Thermostat Name, which will enable
you to identify it if you’re installing more
than one thermostat (for a zoned HVAC
application, for instance).
1.3 Thermostat Type, either programmable
or not, depending on preference.

1.4 Temperature scale, either Fahrenheit or
Celsius.

APPLICATION
residential

THERMOSTAT NAME
THERMOSTAT
M35356

THERMOSTAT TYPE
programmable
M34150

TEMPERATURE SCALE
fahrenheit
M35357

1.5 Any Outdoor Air Sensors installed.
NOTE: If you are using a Wired Outdoor
Sensor or the outdoor temperature from the
Wi-Fi connection to lockout the compressor
or Auxiliary heat, select Yes to see the
installer options for lockout temperatures.
1.6 The type of heating system.
1.7 For all installer options, press the s or
t buttons to change the option.

OUTDOOR AIR
SENSOR: no
M35358

HEATING SYSTEM
conv. forced air
M35359

1.8 Press Next to move to the next setting, and Done when setup is complete.

Connecting to Wi-Fi
After installer setup, you will be prompted to connect to a Wi-Fi network.
NOTE: If you select No, the homeowner
can connect to the Wi-Fi network later. (See
“Connecting to Wi-Fi later” on page 8
or in the User’s Guide.) The thermostat will
display its Home screen and thermostat
setup is complete.
1

Connect to the Wi-Fi network now.
1.1 Press Yes.
The thermostat will scan for available
Wi-Fi networks.
1.2 Use the arrow buttons to scroll up/
down or left/right. Press the Wi-Fi
network name, then press Select.
NOTE: If the Wi-Fi network name is hidden,
see “Connecting to a hidden Wi-Fi network”
on page 10.
1.3 When prompted, press the screen to
edit the password (if necessary).
1.4 Enter the password.
Press the s or t buttons to change
the letter or number.
Press the button to move to the next
character, or the button to move to
the previous character.
Use the s or t buttons at the bottom
to change letter case.
Press Done when complete.
1.5 The screen will let you know when the
connection is successful. Press Done
when the connection is successful.
If the connection is not successful,
the screen will explain why not. See
“Unsuccessful connection” on page
9. Follow instructions on the screen
to try again.
NOTE: Press the Help button for more
information about an unsuccessful connection.

Connect to a
Wi-Fi network now?
M35345

Finding Networks
Please Wait
M35349

Select Wi-Fi Network
Your Network

M35347

Enter Password
Press Here to Edit
M35350

Delete
AC

Space

M35346

M35360

Connection
Successful
M35351

The homeowner must have a Total Connect Comfort account.
2.1 Have the homeowner go to
www.mytotalconnectcomfort.com and
follow the instructions to login or create
an account.

2.2 Press the t button to display Wi-Fi
signal strength, status, IP address, MAC and CRC.

M35361

2.3 Note the Thermostat MAC and CRC; they will be needed during registration.
Or, refer to the User’s Guide.

Finding the password (Date Code)
• To make changes to Installer Setup
• To perform an Installer Test

Thermostat (back view)

RoHs Compliant
Conformité RoHs
Assembled in Mexico
Assemblé au Mexique

1 Touch Menu.

TH8321WF1001

1-855-733-5465
http://yourhome.honeywell.com
Honeywell, Golden Valley, MN 55422

TH8321WF1001

1524

RoHs Compliant
Conformité RoHs
Assembled in Mexico
Assemblé au Mexique

M35343

You can find the date code
on the back of the thermostat,
or touch Menu, select Dealer Information,
and scroll to the bottom to see Date Code.

Residential/Résidentiel
1-800-468-1502
http://yourhome.honeywell.com
Commercial/Commerciale
1-888-245-1051
http://customer.honeywell.com
Honeywell, Golden Valley, MN 55422

1524

Finding the password

2 Select Dealer Information.

M35344

Password
(Date Code)

Dealer Information
Installer Options
MCR34022

3 Scroll down to see the Date Code.
TH8321WF1001
Date Code: 1524
MCR35348

Making changes to Installer Setup and performing an Installer Test
1 Touch Menu.
Installer Options

2 Select Installer Options.
MCR33976

3 Enter password (date code) and
touch Done. See “Finding the password” on
page 7 to find the date code.

Enter password
0 0 0 0
MCR33977

4 Select Installer Setup or Installer Test.
5 Follow prompts on the screen to select
the desired setup options or to perform an
equipment test.

Installer Setup
Installer Test
MCR34015

Checking signal strength
After you successfully connect to the Wi-Fi
network (see “Connecting to Wi-Fi” step 1.5),
the thermostat will display signal strength. The
signal strength symbols have the following
meanings:

Wi-Fi Network:
YourNetwork
M35365

Signal strength is 75%–100%
Signal strength is 50%–75%
Signal strength is 0%–50%
You can also check signal strength at any time after the thermostat is connected to the
Wi-Fi network by pressing MENU then Wi-Fi Setup.

Connecting to Wi-Fi later
1 Press MENU, then Wi-Fi Setup.
2 Follow the prompts on-screen (and in
“Connecting to Wi-Fi”) to select the Wi-Fi
network and enter the password.
NOTE: To view and set the Wi-Fi thermostat
remotely, the homeowner must have a Total
Connect Comfort account. See “Connecting
to Wi-Fi” step 2.

DoaIol Inrol Madorl
Wi-Fi Setup
Installer Options
M35352

Unsuccessful connection
If you are unsuccessful in connecting the thermostat to the Wi-Fi network, you will
see a Connection Failed screen. Press the t button for other tips about this failed
connection. Here are three specific reasons the connection might be unsuccessful.
For all Connection Failed screens, pressing Done will return to the Menu screen.
Invalid Password
The password you entered is invalid. Check that
you have the right password and try again.
Press Back to return to “Connecting to Wi-Fi”
step 1.3 on page 6.

Connection Failed
Invalid Password
M35362

No IP Address
The thermostat was unable to obtain an IP
address from the router. Verify the router is
correctly set up to automatically assign IP
addresses. This connection can take several
minutes. If there is still no connection, remove
the thermostat from the wallplate for 10 seconds,
then snap it back into place.

Connection Failed
No IP Address
M35363

No Internet Link
The thermostat connected to the Wi-Fi network
but was unable to establish a connection to the
internet. Check the router settings and try again.
Make sure the Ethernet cable is plugged into the
router and try rebooting the router if necessary.

Connection Failed
No Internet Link
M35364

Connecting to a hidden Wi-Fi network
If the Wi-Fi network name is hidden and it doesn’t show up in the list in “Connecting to
Wi-Fi” follow these steps to connect to it.
1 Press MENU, then Wi-Fi Setup.

DoaIol Inrol Madorl
Wi-Fi Setup
Installer Options
M35352

2 Press Other, then press Select.

WirelessNetwork
Other...

M35353

3 When prompted, press the screen to edit the
network name.

Enter Network Name
Press Here to Edit
M35354

4 Enter the network name.
Press the s or t buttons to change the letter
or number.
Press the button to move to the next
character, or the button to move to the
previous character.
Use the s or t buttons at the bottom to
change letter case.
Press Done when complete.
5 Select the appropriate network security setting,
then press Select.
6 Enter the Wi-Fi network password as shown in
“Connecting to Wi-Fi” step 1.4.

Delete
AC

Space

M35346

SSID Security
Open Network
M35355

Specifications and replacement parts
Operating Ambient Temperature

Thermostat: 32 to 120° F (0 to 48.9° C)

Operating Relative Humidity

Thermostat: 5% to 90% (non-condensing)

Physical Dimensions (height, width, depth)

Thermostat: 4-15/16 x 4-5/8 x 1-1/8 inches (126 mm x 118 mm x 29 mm)

Wi-Fi Communication

Supports 802.11 B/G/N home wireless router
Frequency: 2.4 Ghz

Electrical ratings
Terminal
W - OB
Y (cooling)
G (fan)
W2 - Aux (heating)
Y2 (cooling)
A-L/A (output)
U1/U1

Voltage (50/60 Hz)
18 to 30 VAC and 750 mVDC
18 to 30 VAC
18 to 30 VAC
18 to 30 VAC
18 to 30 VAC
18 to 30 VAC
30 VAC max.

Max. Current Rating
1.00A
1.00A
0.50A
0.60A
0.60A
1.00A
0.50A

Accessories and replacement parts
Accessories / Replacement Parts
Wired Outdoor Sensor 10k ohm NTC
Wired Wall-mount Indoor Sensor 10k ohm NTC
Wired Flush-mount Indoor Sensor 20k ohm NTC
Wired Wall-mount Indoor Sensor 20k ohm NTC
Wired Wall-mount Indoor Sensor 10k ohm NTC
Cover Plate (covers marks left by old thermostats)
Wire Saver Module

Part Number
C7089U1006
C7189U1005
C7772A1004, C7772A1012
TR21
TR21-A
THP2400A1019
THP9045A1023

Model Numbering
RedLINK™ or Wi-Fi
Stages

TH8321WF

TH8321R

TH8320R

TH8110R

Wi-Fi

RedLINK™

3H/2C HP
2H/2C CONV

RedLINK™
1H/1C HP
1H/1C
CONV

P
P
P
1
1
P

P
P

0
1
P

0
1

Residential or Commercial
Dual Powered - C Wire or Battery
Onboard Humidity Sensor
Number of Universal Relays
Number of Universal Sensor Inputs
Economizer / TOD Output
Works with Optional Equipment
Interface Module*
Works with Optional TrueZONE
Wireless Adapter*

C Wire only

P
1
1
P

* The relay outputs and inputs on the thermostat do not function when used with an Equipment Interface Module or
the TrueZONE Wireless Adapter.

DISCONNECT POWER BEFORE INSTALLATION. Can cause electrical shock or equipment
damage.
MERCURY NOTICE: If this product is replacing a control that contains mercury in a sealed
tube, do not place the old control in the trash. Contact the Thermostat Recycling Corporation at
www.thermostat-recycle.org or 800-238-8192 for information on how and where to properly and
safely dispose of your old thermostat.
Must be installed by a trained, experience technician. Read these instructions carefully.
Failure to follow these instructions can damage the product or cause a hazardous condition.

Need Help?
For assistance please visit http://customer.honeywell.com
or call toll-free: 1-855-733-5465

Automation and Control Systems
Honeywell International Inc.
1985 Douglas Drive North
Golden Valley, MN 55422
http://customer.honeywell.com
® U.S. Registered Trademark.
© 2014 Honeywell International Inc.
33-00065—01 M.S. 10-14
Printed in U.S.A.

33-00065-01

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