Honeywell TH8320ZW Thermostat User Manual

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Operating

Manual

TH8320ZW

Touchscreen Thermostat

9-2485EFS-05

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

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.

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.

TH8320ZW

Table of contents

About your new thermostat

Appendices

In case of difficulty................................ 18

Regulatory information......................... 20

Limited warranty................................... 21

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

This thermostat is ready to go!

Your new thermostat is pre-

programmed and ready to go.

See page 3 to check settings.

Programming & Operation

Screen lock............................................. 9

Screen cleaning.................................... 10

Battery replacement............................. 11

Advanced functions.............................. 12

CAUTION: EQUIPMENT DAMAGE

HAZARD. To prevent possible

compressor damage, do not operate

cooling system when outdoor

temperature is below 50˚F (10˚C).

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About your new thermostat

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.

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TH8320ZW

TA hb ios ut th ye or mu ro ns et awt it sh er er ma do ys tt ao tgo!

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

. Select fan setting: Preset to Auto ................................................................See page 7

. 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)

Press to adjust

temperature settings

MON

TUE

WED

THU

FRI

SAT

SUN

Press to select system

type (see page 8)

Press for more options

Press to set schedule

(select models only)

SUN

M32520A

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)

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TH8320ZW

Quick reference to status display

Current day of week

Current inside temperature

Temperature setting

Fan setting

Inside

Set To

FAN

Program schedule on

does not display

when off)

(

AUTO

:10

System setting

Following

Schedule

SUN

SYSTEM

Recovery

HEAT

Current time

Adaptive Intelligent

Recovery in effect

SCHED

HOLD

CLOCK SCREEN

M32521

Other display messages:

•

Cool On: Cooling system is activated

Heat On: Heating system is activated

Aux Heat On: Auxiliary heating system is activated

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Clock setting

Press CLOCK

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.

:01

HOLD

SCHED

CLOCK SCREEN MORE

Press DONE to save & exit (or press CANCEL to

exit without changing the time).

M32527

Adjust time, then press DONE

Note: The real-time clock should never require

adjustment since it automatically updates for

daylight savings time, and stores all date/time

information.

FAN

Inside

Set To

AUTO

Note: To change the current week day display,

see page 13.

WED

:02

DONE

CANCEL

M32528

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TH8320ZW

Fan setting

Press FAN to select fan operation, then press

DONE.

•

On: Fan is always on.

Inside

Set To

Auto: Fan runs only when the heating or

cooling system is on.

FAN

0 70

AUTO

•

Circ: Fan runs randomly, about 35% of

the time, including any run time with the

heating or cooling system.

Following

SYSTEM

WED

Schedule

HEAT 6:01

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

SCHED

HOLD

CLOCK SCREEN

PressFAN

will remain active until you press FAN again

to select Auto (see page 19 for more informa-

tion).

Note: If a fan schedule is programmed,

Auto” will run the fan schedule.

“

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System setting

Press the SYSTEM button to select, then press

DONE.

•

Heat: Thermostat controls only the

heating system.

Inside

Set To

FAN

•

Cool: Thermostat controls only the cooling

system.

AUTO

SYSTEM

HEAT

70 70

Following

WED

Schedule

•

Off: Heating and cooling systems are off.

:01

Auto: Thermostat automatically selects

heating or cooling depending on the

indoor temperature.

SCHED

HOLD

CLOCK SCREEN

M32522

•

Em Heat (only for heat pumps with

auxiliary heat): Thermostat controls

Emergency and Auxiliary Heat.

Press SYSTEM

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TH8320ZW

SA cb roe ue tny loo uc rk new thermostat

To prevent tampering, the screen can be par-

WED

tially or fully locked.

SCREEN LOCKED

FAN

Inside

Set To

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.

AUTO

Following

Schedule

SYSTEM

HEAT

:00

HOLD

When the screen is fully locked, no keys func-

tion. To lock or unlock the screen, see advanced

function on page 17.

SCHED

CLOCK SCREEN MORE

M29357

See advanced func-

tion 0670 (page 17) for

screen lock options

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SA cb roe ue tny co lue ra n ien wg thermostat

Press SCREEN

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.

WED

SCHED

:00

HOLD

CLOCK SCREEN USAGE

After 30 seconds, press DONE to resume

normal operation, or press SCREEN again if

you require more time for cleaning.

M32526

Screen lock timer (30 seconds)

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.

M32523

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TH8320ZW

Battery replacement

Remove tab.

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.

M32429

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Advanced functions

. Press SYSTEM.

2. Press and hold blank center key until the display changes.

SYSTEM

SUN

:01

HEAT

DONE

CANCEL

M32530

M32525

Function

Setting

. Change settings as

required (see pages

3-17).

120

DONE

M32531

. Press DONE to exit &

Press s / t to

save changes.

select function

change setting

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TH8320ZW

Advanced functions

Year setting (first two digits)

Function

120

Options:

Press s / t to change the first two digits of the year:

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

140

Options:

Press s / t to change the current month:

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:

Non-programmable

Programmable

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Advanced functions

Restore Energy Saving Schedule

Function 0165 Press s / t to restore the Energy Saving Schedule

Options:

Yes

Continuous Backlight

280

Options:

Press s / t to set the continuous backlight

Yes

Temperature format (°F/°C)

320

Options:

Press s / t to set the temperature display format:

Fahrenheit

Celsius

Daylight savings time on/off

330

The thermostat is pre-programmed to automatically adjust to daylight savings time.

Press s / t to select an option:

Options:

Off: No adjustment for daylight savings time

On: Auto-change to daylight savings time (for areas that do not use the new

DST calendar)

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TH8320ZW

Advanced functions

Furnace Filter Change Reminder

Function

500

Options:

Press s / t to set the filter-change reminder

Off

10-day run time (about 1 month)

30-day run time (about 3 months)

60-day run time (about 6 months)

90-day run time (about 9 months)

120-day run time (about 1 year)

180-day run time (about 1.5 years)

270-day run time (about 2 years)

365-day run time (about 3 years)

30 calendar days

0 60 calendar days

1 90 calendar days

2 120 calendar days

3 180 calendar days

4 365 calendar days

UV Lamp Replacement Reminder

520

Press s / t to set the UV lamp replacement reminder

Options:

Off

365 days

730 days

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Advanced functions

Adaptive Intelligent Recovery

530

Press s / t to set Adaptive Intelligent Recovery

Options:

Off

Program schedule periods

540

Options:

Press s / t to set the number of program periods:

Two program periods (Wake, Sleep)

Four program periods (Wake, Leave, Return, Sleep)

Heat Energy Saving Setpoint

615

Options:

Press s / t to set the Heat energy savings setpoint

40-90° F 65

.5-32° C 18.5

Cool Energy Saving Setpoint

616

Options:

Press s / t to set the Cool energy savings setpoint

50-99° F 78

0-37° C 25.5

Clock format

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TH8320ZW

Advanced functions

Function

640

Options:

Press s / t to set the clock display format:

12 12-hour clock (i.e., “3:30 pm”)

4 24-hour clock (i.e., “15:30”)