Honeywell TH8321U1097 Thermostat User Manual

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Operating Manual

VisionPRO TH8000 Series - TH8321U1097

Touchscreen Programmable Thermostat

9-2400EFS-03

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 manual covers the following models

TH8321U1097: For up to 3 Heat/2 Cool systems with indoor air qual-

ity control

M29343

This thermostat contains a Lithium battery which may contain Perchlorate material.

Perchlorate Material—special handling may apply,

See www.dtsc.ca.gov/hazardouswaste/perchlorate

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. 6595430, D509151 and other patents pending.

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VisionPRO TH8000 Series

Table of contents

About your new thermostat

Appendices

Battery replacement........................................22

Advanced functions.........................................23

In case of difficulty..........................................30

Optional remote sensors .................................32

Limited warranty .............................................33

Thermostat features..........................................2

Programming at a glance..................................3

Quick reference to controls...............................4

Quick reference to status display......................5

Programming & Operation

Clock setting......................................................6

Fan setting.........................................................7

System setting...................................................8

Using program schedules..................................9

Program schedule overrides............................12

Vacation hold...................................................14

Special features...............................................15

Screen lock......................................................16

Screen cleaning...............................................17

Humidity display & control ..............................18

This thermostat is ready to go!

Your new thermostat is pre-

programmed and ready to go.

See page 3 to check settings.

CAUTION: EQUIPMENT DAMAGE

HAZARD. To prevent possible

compressor damage, do not oper-

ate cooling system when outdoor

temperature is below 50˚F (10˚C).

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Operating Manual

About your new thermostat

Congratulations! You’ve just purchased the world’s most advanced, easy-to-use ther-

mostat. It has been designed to give you many years of reliable service and touch-

screen climate control.

Features

•

7-day program schedules maximize comfort and economy.

Armchair programming: Just pull thermostat from the wall to set schedules.

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,

batteries and other critical components.

•

Large touchscreen display with backlight is easy to read—even in the dark.

Accommodates optional outdoor or indoor remote sensors.

Controls humidification, dehumidification, or ventilation.

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VisionPRO TH8000 Series

TA hb ios u tt h ye or um ro ns et aw t ti sh er re ma do ys t tao t 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:

. Set clock........................................................................................................................ See page 6

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

. Select system setting: Preset to Heat.................................................................... See page 8

. Program schedules: Preset to energy-saving levels

while you’re at work or asleep (assumes you

wake at 6 am, leave at 8 am, return at 6 pm

and go to bed at 10 pm).......................................................................................... See pages 10-13

ONE-TOUCH TEMP CONTROL: You can override the program schedule at any time,

and manually adjust the temperature (see pages 12-14).

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Operating Manual

Quick reference to controls

Press day(s) to set program schedule (see page 11)

Press to select fan

MON

TUE

WED

THU

FRI

SAT

SUN

Press to adjust

operation (see page 7)

OK TO PICK MULTIPLE DAYS

temperature settings

(see pages 11-14)

FAN

Inside

Set To

Press to select system

type (see page 8)

AUTO

Following

Schedule

SYSTEM

Press to set program

schedule (see page 11)

Press for more options

(select models only)

HEAT

SCHED

:01

HOLD

CLOCK SCREEN MORE

M29344

Press to override

program schedule

Press to set clock

(see page 6)

Press to lock keypad for 30

seconds to clean screen

(see pages 12-14)

(see page 17)

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VisionPRO TH8000 Series

Quick reference to status display

Current inside temperature

Current day of week

Temperature setting

WED

FAN

Inside

Set To

Fan setting

AUTO

Program schedule on

(does not display

when off)

Following

Schedule

Recovery

SYSTEM

System setting

Current time

HEAT

:01

HOLD

SCHED

CLOCK SCREEN MORE

Adaptive Intelligent

M29345

Recovery in effect

see page 15)

(

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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Operating Manual

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

Press DONE to save & exit (or press CANCEL to exit

without changing the time).

SCHED

CLOCK SCREEN MORE

M29346

Note: The real-time clock should never require

adjustment since it automatically updates for

daylight savings time, and stores all date/time

information.

Adjust time, then press DONE

Note: To change the current week day display, see

:02

page 24.

DONE

CANCEL

M29347

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VisionPRO TH8000 Series

Fan setting

Press FAN to select fan operation, then press DONE.

WED

•

On: Fan is always on.

FAN

Inside

Set To

AUTO

• Auto: Fan runs only when the heating or

cooling system is on.

Following

Schedule

SYSTEM

•

Circ: Fan runs randomly, about 35% of the

time, not counting any run time with the

heating or cooling system.

HEAT

:01

HOLD

SCHED

CLOCK SCREEN MORE

You can press FAN to override the fan settings you’ve

programmed for different time periods (see page 11). If

you select On or Circ, the setting you select will remain

active until you press FAN again to select Auto (see

page 31 for more information).

M29348

Press FAN

Note: If a fan schedule is programmed,

Auto” will run the fan schedule.

“

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Operating Manual

System setting

Press the SYSTEM button to select, then press DONE.

WED

FAN

• Heat: Thermostat controls only the

Inside

Set To

heating system.

AUTO

•

Cool: Thermostat controls only the

Following

Schedule

SYSTEM

cooling system.

HEAT

• Off: Heating and cooling systems are off.

SCHED

:01

HOLD

•

Auto: Thermostat automatically selects

heating or cooling depending on the

indoor temperature.**

CLOCK SCREEN MORE

M29349

•

Em Heat (only for heat pumps with

auxiliary heat): Thermostat controls

Emergency and Auxiliary Heat.

Compressor is locked out.**

* Select models only

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VisionPRO TH8000 Series

Save money by setting program schedules

It’s easy to program your system for maximum energy savings. You can program four

time periods each day, with different settings for weekdays and weekends.

WAKE

:00 am

Set to the time you awaken and the temperature you want

during the morning, until you leave for the day.

LEAVE

:00 am

Set to the time you leave home and the temperature you

want while you are away (usually an energy-saving level).

RETURN Set to the time you return home and the temperature you

:00 pm

want during the evening, until bedtime.

SLEEP

0:00 pm

Set to the time you go to bed and the temperature you want

overnight (usually an energy-saving level).

2^°

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Operating Manual

Energy saving settings for maximum cost savings

This thermostat is pre-set to use energy saving program settings. We recommend these settings,

since they can reduce your heating/cooling expenses by as much as 33%. (See next page to adjust

times and temperatures of each time period.)

Heat (Mon-Fri)

70 ^°

Cool (Mon-Fri)

78 ^°

Heat (Sat-Sun)

Cool (Sat-Sun)

Wake

70 ^°

78^°

(

6:00 am)

Leave

8:00 am)

62^°

70 ^°

62 ^°

85^°

78^°

82 ^°

(

[

Or cancel period]

[Or cancel period]

Return

6:00 pm)

(

[

Or cancel period]

[Or cancel period]

Sleep

10:00 pm)

62 ^°

82 ^°

(

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VisionPRO TH8000 Series

To adjust program schedules

Press SCHED

1. Press SCHED, then EDIT.

SCHED

HOLD

CLOCK SCREEN MORE

2. Press day buttons (MON-SUN) to select day(s).

. Press s or t to set Wake time for selected

M29350

day(s).

Press EDIT

. Press s or t to set Heat and Cool

temperature for this time period.

. Press other time periods (LEAVE, RETURN, SLEEP) to

set time and temperatures for each.

. Press DONE to save & exit (or press CANCEL to exit

without saving changes).

DONE

EDIT

WAKE

LEAVE RETURN SLEEP CANCEL

M29351

Set heat/cool levels

Select day(s)

MON

TUE

WED

THU

FRI

SAT

SUN

OK TO PICK MULTIPLE DAYS

FAN

AUTO

HEAT

Note:You can press CANCEL PERIOD to eliminate any unwanted

time period.

CANCEL

PERIOD

Note: Press FAN to customize fan settings for any time period

COOL

(see page 7).

:00

DONE

WAKE

LEAVE RETURN SLEEP CANCEL

M29352

Set time for program

period to start

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Operating Manual

Program schedule override (temporary)

Adjust temperature

Press s or t to immediately adjust the tem-

perature. This will temporarily override the

temperature setting for the current time period.

WED

FAN

Inside

Set To

The new temperature will be maintained only

until the time you set. When the timer expires,

the program schedule will resume and set the

temperature to the level you’ve programmed

for the current time period.

AUTO

Heat On

SYSTEM

Hold Temperature

HEAT

Until

8:00

To cancel the temporary setting at any time, press

CANCEL (or SCHED). The program schedule will resume.

SCHED

HOLD CLOCK SCREEN MORE

CANCEL

M29353

Press to set timer

Press CANCEL (or SCHED) to

resume program schedule

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VisionPRO TH8000 Series

Program schedule override (permanent)

Press HOLD

Adjust temperature

Press HOLD to permanently adjust the temperature. This

will turn off the program schedule.

WED

Whatever temperature you set will be maintained 24

hours a day until you manually change it or press

CANCEL (or SCHED) to cancel “Hold” and resume the

program schedule.

FAN

Inside

Set To

AUTO

Heat On

SYSTEM

HEAT

SCHED

:00

HOLD CLOCK SCREEN MORE

Permanent

Hold

CANCEL

M29354

Press CANCEL (or SCHED) to

resume program schedule

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Operating Manual

Vacation hold

Set temperature

This feature can suspend the program sched-

FAN

ule for extended periods of time.

Inside

Set To

AUTO

Press s or t to set the temperature you want, then

press s or t to set the time of day you want the

schedule to resume when you return. Press HOLD twice,

then press s or t to select the number of days.

SYSTEM

Hold Temperature

HEAT

Until

:00

HOLD CLOCK SCREEN MORE

Whatever temperature you set will be main-

tained 24 hours a day for the number of days

you select. After this number of days have

elapsed, the previously programmed schedule

will resume at the time you set.

SCHED

CANCEL

M29355

Press to set time for

schedule to resume