Honeywell RTH6300B User manual

Operating
Manual
RTH6300B
Programmable Thermostat

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Thermostat features ........................2
Programming at a glance ................3
Quick reference to controls............4
Quick reference to display..............5
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Set time and day..............................6
Select fan setting (auto/on) ............7
Select system setting (heat/cool)......8
Using program schedules................9
Program schedule overrides ........12
Built-in compressor protection ....14
AAppppeennddiicceess
Battery installation ........................15
In case of difficulty ......................16
Customer assistance......................18
Accessories/replacement parts ....18
Limited 1-year warranty ................19
RTH6300B Programmable Thermostat
1
Table of contents
® U.S. Registered Trademark. Patents pending.
Copyright © 2005 Honeywell International Inc. All rights reserved.
Read and save these instructions
Battery Holder
Press down and pull to
remove batteries.
Batteries should be
replaced once a year
(see page 15).
Quick Reference Card
Grasp and pull to see basic
operating instructions at a
glance.
This thermostat is ready to go!
Your new thermostat is pre-
programmed and ready to go.
See page 3 to check settings.
Need Help?
For assistance with this product please visit www.honeywell.com/yourhome
or call Honeywell Customer Care toll-free at 1-800-468-1502

AAbboouuttyyoouurrnneewwtthheerrmmoossttaatt
Thermostat features ........................2
Programming at a glance ................3
Quick reference to controls............4
Quick reference to display..............5
PPrrooggrraammmmiinngg&&OOppeerraattiioonn
Set time and day..............................6
Select fan setting (auto/on) ............7
Select system setting (heat/cool)......8
Using program schedules................9
Program schedule overrides ........12
Built-in compressor protection ....14
AAppppeennddiicceess
Battery installation ........................15
In case of difficulty ......................16
Customer assistance......................18
Accessories/replacement parts ....18
Limited 1-year warranty ................19
RTH6300B Programmable Thermostat
1
Table of contents
® U.S. Registered Trademark. Patents pending.
Copyright © 2005 Honeywell International Inc. All rights reserved.
Read and save these instructions
Battery Holder
Press down and pull to
remove batteries.
Batteries should be
replaced once a year
(see page 15).
Quick Reference Card
Grasp and pull to see basic
operating instructions at a
glance.
This thermostat is ready to go!
Your new thermostat is pre-
programmed and ready to go.
See page 3 to check settings.
Need Help?
For assistance with this product please visit www.honeywell.com/yourhome
or call Honeywell Customer Care toll-free at 1-800-468-1502

RTH6300B Programmable Thermostat
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Operating Manual
2
About your new thermostat
Congratulations on the purchase of your new Honeywell thermostat. It has been
designed to give you many years of reliable service and easy-to-use, push-button
climate control.
Features
• Separately programmable weekday/weekend schedules.
• One-touch temp control overrides program schedule at any time.
• EnergyStar®compliant to greatly reduce your heating/cooling expenses.
• Large, clear, backlit display is easy to read — even in the dark.
• Displays both room temperature and temperature setting.
• Removable battery holder for fast, easy replacement.
• Built-in compressor protection.
This thermostat is ready to go!
Your new thermostat is pre-programmed and ready to go.All you have to do is set
the time and day.Then check the settings below and change if needed:
1SSeettttiimmeeaannddddaayy((rreeqquuiirreeddffoorrpprrooppeerrooppeerraattiioonn))................................See page 6
2SSeelleeccttffaannsseettttiinngg((AAuuttoo//OOnn))::Preset to Auto ......................To change, see page 7
3SSeelleeccttssyysstteemmsseettttiinngg((HHeeaatt//CCooooll))::Preset to Heat..............To change, see page 8
4PPrrooggrraammsscchheedduulleess::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) ..............................................To change, see pages 9-11
ONE-TOUCH TEMP CONTROL: You can override the program schedule at any time, and
manually adjust the temperature (see pages 12-13).

RTH6300B Programmable Thermostat
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Operating Manual
2
About your new thermostat
Congratulations on the purchase of your new Honeywell thermostat. It has been
designed to give you many years of reliable service and easy-to-use, push-button
climate control.
Features
• Separately programmable weekday/weekend schedules.
• One-touch temp control overrides program schedule at any time.
• EnergyStar®compliant to greatly reduce your heating/cooling expenses.
• Large, clear, backlit display is easy to read — even in the dark.
• Displays both room temperature and temperature setting.
• Removable battery holder for fast, easy replacement.
• Built-in compressor protection.
This thermostat is ready to go!
Your new thermostat is pre-programmed and ready to go.All you have to do is set
the time and day.Then check the settings below and change if needed:
1SSeettttiimmeeaannddddaayy((rreeqquuiirreeddffoorrpprrooppeerrooppeerraattiioonn))................................See page 6
2SSeelleeccttffaannsseettttiinngg((AAuuttoo//OOnn))::Preset to Auto ......................To change, see page 7
3SSeelleeccttssyysstteemmsseettttiinngg((HHeeaatt//CCooooll))::Preset to Heat..............To change, see page 8
4PPrrooggrraammsscchheedduulleess::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) ..............................................To change, see pages 9-11
ONE-TOUCH TEMP CONTROL: You can override the program schedule at any time, and
manually adjust the temperature (see pages 12-13).

RTH6300B Programmable Thermostat
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Operating Manual
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Quick reference to controls
Digital display (see page 5) Battery holder (see page 15)
Temperature buttons
Press to adjust temperature
settings (see page 11-13)
Hold button
Press to override programmed
temperature control (see page 13)
Function buttons
Press to select the function displayed just above each button.
(Functions change depending on the task.)
Inside Heat
Setting
75 6:30 AM 75
Wake Wed Heat On
Fan
Auto
System
Heat
Set Clock/Day/
Schedule
°°
Replace Battery
Quick reference to display screen
Current inside temperature Low battery warning
(see page 15)
Current time/day
(see page 6)
Current program period
Wake/Leave/Return/Sleep
(see pages 9-11)
Temperature setting
(see pages 11-13)
System status
On when “calling” for
heating or cooling;
flashes when waiting for
compressor restart (see
page 14)
Function buttons
Press the button beneath each function to view or change
settings (functions change depending on the task)
System setting
(Heat/Cool/Off;
see page 8)
Fan setting
(Auto/On; see page 7)
Set clock/day/schedule
Press to set time, day or
program schedules (see
pages 6 & 11)

RTH6300B Programmable Thermostat
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Operating Manual
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Quick reference to controls
Digital display (see page 5) Battery holder (see page 15)
Temperature buttons
Press to adjust temperature
settings (see page 11-13)
Hold button
Press to override programmed
temperature control (see page 13)
Function buttons
Press to select the function displayed just above each button.
(Functions change depending on the task.)
Inside Heat
Setting
75 6:30 AM 75
Wake Wed Heat On
Fan
Auto
System
Heat
Set Clock/Day/
Schedule
°°
Replace Battery
Quick reference to display screen
Current inside temperature Low battery warning
(see page 15)
Current time/day
(see page 6)
Current program period
Wake/Leave/Return/Sleep
(see pages 9-11)
Temperature setting
(see pages 11-13)
System status
On when “calling” for
heating or cooling;
flashes when waiting for
compressor restart (see
page 14)
Function buttons
Press the button beneath each function to view or change
settings (functions change depending on the task)
System setting
(Heat/Cool/Off;
see page 8)
Fan setting
(Auto/On; see page 7)
Set clock/day/schedule
Press to set time, day or
program schedules (see
pages 6 & 11)

RTH6300B Programmable Thermostat
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Set the time and day
1 Press the SSEETTCCLLOOCCKK//DDAAYY//SSCCHHEEDDUULLEE
button, then press or to set
the clock time.
2 Press the SSEETTDDAAYYbutton, then
press or to select the day
of the week.
3 Press DDOONNEEto save & exit.
Note: If the SSEETTCCLLOOCCKK//DDAAYY//SSCCHHEEDDUULLEE
option is not displayed, press DDOONNEEor
RRUUNNSSCCHHEEDDUULLEE.
Note: If the display flashes Set Clock,
the thermostat will follow your settings
for the weekday “Wake” time period until
you reset the time and day.
Select the fan setting
Fan
Auto
System
Heat
Set Clock/Day/
Schedule
Press the FFAANNbutton to select Auto or On.
In “Auto” mode (the most commonly used
setting), the fan runs only when the heating
or cooling system is on. If set to “On,” the fan
runs continuously. Use this setting for
improved air circulation, or for more
efficient air cleaning.
Fan
On
System
Heat
Set Clock/Day/
Schedule
Press SSEETTCCLLOOCCKK//DDAAYY//SSCCHHEEDDUULLEE, then adjust time
4:30PM
Fan
Auto
System
Heat
Set Clock/Day/
Schedule
Press SSEETTDDAAYY, then select current day
Wed
Done
Set Day Set Schedule

RTH6300B Programmable Thermostat
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Operating Manual
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Set the time and day
1 Press the SSEETTCCLLOOCCKK//DDAAYY//SSCCHHEEDDUULLEE
button, then press or to set
the clock time.
2 Press the SSEETTDDAAYYbutton, then
press or to select the day
of the week.
3 Press DDOONNEEto save & exit.
Note: If the SSEETTCCLLOOCCKK//DDAAYY//SSCCHHEEDDUULLEE
option is not displayed, press DDOONNEEor
RRUUNNSSCCHHEEDDUULLEE.
Note: If the display flashes Set Clock,
the thermostat will follow your settings
for the weekday “Wake” time period until
you reset the time and day.
Select the fan setting
Fan
Auto
System
Heat
Set Clock/Day/
Schedule
Press the FFAANNbutton to select Auto or On.
In “Auto” mode (the most commonly used
setting), the fan runs only when the heating
or cooling system is on. If set to “On,” the fan
runs continuously. Use this setting for
improved air circulation, or for more
efficient air cleaning.
Fan
On
System
Heat
Set Clock/Day/
Schedule
Press SSEETTCCLLOOCCKK//DDAAYY//SSCCHHEEDDUULLEE, then adjust time
4:30PM
Fan
Auto
System
Heat
Set Clock/Day/
Schedule
Press SSEETTDDAAYY, then select current day
Wed
Done
Set Day Set Schedule

RTH6300B Programmable Thermostat
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Operating Manual
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Fan
Auto
System
Heat
Set Clock/Day/
Schedule
Press the SSYYSSTTEEMMbutton to select Heat, Cool
or Off.
•HHeeaatt::Thermostat controls only the
heating system.
•CCooooll::Thermostat controls only the
cooling system.
•OOffff::Heating and cooling systems are off.
Fan
Auto
System
Cool
Set Clock/Day/
Schedule
WAKE
6:00 am
70 °
LEAVE
8:00 am
62 °
RETURN
6:00 pm
70 °
SLEEP
10:00 pm
62 °
Set to the time you awaken and the temperature you want
during the morning, until you leave for the day.
Set to the time you leave home and the temperature you
want while you are away (usually an energy-saving level).
Set to the time you return home and the temperature you
want during the evening, until bedtime.
Set to the time you go to bed and the temperature you want
overnight (usually an energy-saving level).
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.
Select the system setting
CAUTION: EQUIPMENT DAMAGE
HAZARD. To prevent possible compressor
damage, do not operate cooling system when
outdoor temperature is below 50°F (10°C).