Owner's Manual
Page 2
Registered Trademark. Need Help? This manual covers the following model: RTH4300B: For 1 Heat/1 Cool systems CAUTION: EQUIPMENT DAMAGE HAZARD. For assistance with this product please visit http://yourhome.honeywell.com or call Honeywell Customer Care toll-free at a glance. Patents pending. Copyright © 2006 Honeywell International Inc. To prevent possible compressor damage, do not operate cooling system when outdoor temperature is below 50°F (10°C). All...
Registered Trademark. Need Help? This manual covers the following model: RTH4300B: For 1 Heat/1 Cool systems CAUTION: EQUIPMENT DAMAGE HAZARD. For assistance with this product please visit http://yourhome.honeywell.com or call Honeywell Customer Care toll-free at a glance. Patents pending. Copyright © 2006 Honeywell International Inc. To prevent possible compressor damage, do not operate cooling system when outdoor temperature is below 50°F (10°C). All...
Owner's Manual
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See page 9 to check settings. Your new thermostat is ready to go . Table of contents About your new thermostat Thermostat features 2 Quick reference to controls 3 Quick reference to display 4 Programming & Operation Set time and day 5 Select system setting 6 Select fan setting 7 Using program schedules 8 Program schedule overrides 11 Compressor protection 13 RTH4300B Programmable Thermostat Appendices Battery replacement 14 In case of difficulty 15 Customer assistance 17 Accessories 17 1-year limited warranty 18 This thermostat is pre-programmed and ready to go !
See page 9 to check settings. Your new thermostat is ready to go . Table of contents About your new thermostat Thermostat features 2 Quick reference to controls 3 Quick reference to display 4 Programming & Operation Set time and day 5 Select system setting 6 Select fan setting 7 Using program schedules 8 Program schedule overrides 11 Compressor protection 13 RTH4300B Programmable Thermostat Appendices Battery replacement 14 In case of difficulty 15 Customer assistance 17 Accessories 17 1-year limited warranty 18 This thermostat is pre-programmed and ready to go !
Owner's Manual
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Features • Separately programmable weekday/weekend schedules. • One-touch temp control overrides program schedule at any time. • Energy Star® compliant to greatly reduce your new thermostat Your new Honeywell thermostat has been designed to give you many years of reliable service and easy-to read. • Displays both room temperature and temperature setting. • Built-in compressor protection. Operating Manual About your heating/cooling expenses. • Large, clear display is easy to -use, push-button climate control.
Features • Separately programmable weekday/weekend schedules. • One-touch temp control overrides program schedule at any time. • Energy Star® compliant to greatly reduce your new thermostat Your new Honeywell thermostat has been designed to give you many years of reliable service and easy-to read. • Displays both room temperature and temperature setting. • Built-in compressor protection. Operating Manual About your heating/cooling expenses. • Large, clear display is easy to -use, push-button climate control.
Owner's Manual
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Auto: Fan runs only when heating or cooling system is on. RTH4300B Programmable Thermostat • Set: Press to set time/day/ schedule. • Hold: Press to override programmed temperature control. • Run: Press to resume program schedule. System switch (see page 7) On: Fan runs continuously. AQbuoicukt ryeofuerrennecwe tthoecrmonotsrtoalst Temperature adjustment (see page 10-12) Fan Switch (see page 6) • Cool: Cooling system control. • Off: All systems off. • Heat: Heating system control.
Auto: Fan runs only when heating or cooling system is on. RTH4300B Programmable Thermostat • Set: Press to set time/day/ schedule. • Hold: Press to override programmed temperature control. • Run: Press to resume program schedule. System switch (see page 7) On: Fan runs continuously. AQbuoicukt ryeofuerrennecwe tthoecrmonotsrtoalst Temperature adjustment (see page 10-12) Fan Switch (see page 6) • Cool: Cooling system control. • Off: All systems off. • Heat: Heating system control.
Owner's Manual
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Heat on: Heating system is on . Operating Manual AQbuoicukt ryeofuerrennecwe tthoedrmisopslatyatscreen Low battery warning (see page 14) Replace Batt Current inside temperature Inside 75 Current program period Wake/Leave/Return/Sleep (see pages 8-9) Wake Wed 6:30 AM Set To 75 Heat On Current day/time (see page 5) Temperature setting (see pages 10-12) System status Cool on: Cooling system is on .
Heat on: Heating system is on . Operating Manual AQbuoicukt ryeofuerrennecwe tthoedrmisopslatyatscreen Low battery warning (see page 14) Replace Batt Current inside temperature Inside 75 Current program period Wake/Leave/Return/Sleep (see pages 8-9) Wake Wed 6:30 AM Set To 75 Heat On Current day/time (see page 5) Temperature setting (see pages 10-12) System status Cool on: Cooling system is on .
Owner's Manual
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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. Wed Press the SET button, then press s or t to save & exit. Press RUN to set the clock time. 2. ASebtoutht eyotiumr eneawndthdearymostat RTH4300B Programmable Thermostat Press SET, then adjust time. Press the SET button, then press s or t to select the day of the week. 3. Set Day 1. Set 6:30 Clock AM Press SET, then select current day.
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. Wed Press the SET button, then press s or t to save & exit. Press RUN to set the clock time. 2. ASebtoutht eyotiumr eneawndthdearymostat RTH4300B Programmable Thermostat Press SET, then adjust time. Press the SET button, then press s or t to select the day of the week. 3. Set Day 1. Set 6:30 Clock AM Press SET, then select current day.
Owner's Manual
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CAUTION: EQUIPMENT DAMAGE HAZARD. To prevent possible compressor damage, do not operate cooling system when outdoor temperature is below 50°F (10°C). Set SYSTEM switch to control your heating or cooling system, depending on the season. • Cool: Cooling system control. • Off: All systems are off. • Heat: Heating system control. Operating Manual ASebloeuctt ytohuersnyetswtetmhesrmetotisntgat The SYSTEM switch can be set to control the heating or cooling system.
CAUTION: EQUIPMENT DAMAGE HAZARD. To prevent possible compressor damage, do not operate cooling system when outdoor temperature is below 50°F (10°C). Set SYSTEM switch to control your heating or cooling system, depending on the season. • Cool: Cooling system control. • Off: All systems are off. • Heat: Heating system control. Operating Manual ASebloeuctt ytohuersnyetswtetmhesrmetotisntgat The SYSTEM switch can be set to control the heating or cooling system.
Owner's Manual
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Set FAN switch to "On," the fan runs continuously. Use this setting for improved air circulation, or for more efficient air cleaning. In "Auto" mode (the most commonly used setting), the fan runs only when the heating or cooling system is on. If set to choose whether the fan runs continuously or only as needed. ASebloeuctt ytohuerfnanewsetthteinrmg ostat RTH4300B Programmable Thermostat Set the FAN switch to Auto or On.
Set FAN switch to "On," the fan runs continuously. Use this setting for improved air circulation, or for more efficient air cleaning. In "Auto" mode (the most commonly used setting), the fan runs only when the heating or cooling system is on. If set to choose whether the fan runs continuously or only as needed. ASebloeuctt ytohuerfnanewsetthteinrmg ostat RTH4300B Programmable Thermostat Set the FAN switch to Auto or On.
Owner's Manual
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... time you leave home and the temperature you leave for the day. RETURN 6:00 pm 70 ° Set to the time you return home and the temperature you want during the evening, until you want overnight (usually an energy-saving level). LEAVE 8:00 am 70 ° Set to the time you awaken and the temperature you are away (usually an energy-saving level). Operating Manual ASabvoeutmyoonuerynbeywstehtetirnmgopsrtoagt ram schedules...
... time you leave home and the temperature you leave for the day. RETURN 6:00 pm 70 ° Set to the time you return home and the temperature you want during the evening, until you want overnight (usually an energy-saving level). LEAVE 8:00 am 70 ° Set to the time you awaken and the temperature you are away (usually an energy-saving level). Operating Manual ASabvoeutmyoonuerynbeywstehtetirnmgopsrtoagt ram schedules...
Owner's Manual
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RTH4300B Programmable Thermostat AEnbeorugtyySotuarr®nseewtttinhgesrmfoorstmataximum cost savings This thermostat is pre-set to adjust times and temperatures of each time period.) Wake (6:00 am) Leave (8:00 am) Return (6:00 pm) Sleep (10:00 pm) Heat (Mon-Fri) Cool (Mon-Fri) Heat (Sat-Sun) Cool (Sat-Sun) ...cancel period] 70 ° [Or cancel period] 62 ° 83 ° [Or cancel period] 75 ° [Or cancel period] 78 ° We recommend these settings, since they can reduce your heating/cooling expenses by as much as 33%. (See next page to use EnergyStar® program settings...
RTH4300B Programmable Thermostat AEnbeorugtyySotuarr®nseewtttinhgesrmfoorstmataximum cost savings This thermostat is pre-set to adjust times and temperatures of each time period.) Wake (6:00 am) Leave (8:00 am) Return (6:00 pm) Sleep (10:00 pm) Heat (Mon-Fri) Cool (Mon-Fri) Heat (Sat-Sun) Cool (Sat-Sun) ...cancel period] 70 ° [Or cancel period] 62 ° 83 ° [Or cancel period] 75 ° [Or cancel period] 78 ° We recommend these settings, since they can reduce your heating/cooling expenses by as much as 33%. (See next page to use EnergyStar® program settings...
Owner's Manual
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... Heat Wake MonTueWedThuFri Press SET, then set weekend time periods (SatSun), then press RUN to set the temperature for the next time period (Leave). Set To 75 Set Schedule 6:30 AM Heat Wake MonTueWedThuFri 1. Press SET to program (Heat or Cool). Set time and temperature for this time period, then press SET. 4. Press SET until Set Schedule is set to the system you want to set desired temperature. Note: Make sure the thermostat is displayed. 2. Operating Manual AToboaudtjuysotupr rnoegwratmhesrcmhoesdtualtes Press SET 3 times, then adjust time...
... Heat Wake MonTueWedThuFri Press SET, then set weekend time periods (SatSun), then press RUN to set the temperature for the next time period (Leave). Set To 75 Set Schedule 6:30 AM Heat Wake MonTueWedThuFri 1. Press SET to program (Heat or Cool). Set time and temperature for this time period, then press SET. 4. Press SET until Set Schedule is set to the system you want to set desired temperature. Note: Make sure the thermostat is displayed. 2. Operating Manual AToboaudtjuysotupr rnoegwratmhesrcmhoesdtualtes Press SET 3 times, then adjust time...
Owner's Manual
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... setting and resume program schedule. Set To 75 6:30 AM Press s or t to control (heat or cool). 11 Temporary Set To 70 6:30 AM Press to turn up the heat early in the morning, it will temporarily override the temperature setting for the day. To cancel the temporary setting at any time, press RUN. For example, if you leave for the current time period. RTH4300B Programmable Thermostat APrboogurtaymousrchnedwutleheorvmeorrsidtaet (temporary) Press to temporarily adjust temperature...
... setting and resume program schedule. Set To 75 6:30 AM Press s or t to control (heat or cool). 11 Temporary Set To 70 6:30 AM Press to turn up the heat early in the morning, it will temporarily override the temperature setting for the day. To cancel the temporary setting at any time, press RUN. For example, if you leave for the current time period. RTH4300B Programmable Thermostat APrboogurtaymousrchnedwutleheorvmeorrsidtaet (temporary) Press to temporarily adjust temperature...
Owner's Manual
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... adjust the thermostat manually, as needed. This will be maintained 24 hours a day, until you to control (heat or cool). 12 Operating Manual APrboogurtaymousrchnedwutleheorvmeorrsidtaet (permanent) Press to permanently adjust the temperature. Hold Set To 70 6:30 AM Press to cancel "Hold" and resume the program schedule. The "Hold" feature turns off the program schedule and allows you manually change it, or press RUN to cancel "Hold" setting and resume program schedule. Note: Make sure the thermostat is set will override the temperature settings for all time...
... adjust the thermostat manually, as needed. This will be maintained 24 hours a day, until you to control (heat or cool). 12 Operating Manual APrboogurtaymousrchnedwutleheorvmeorrsidtaet (permanent) Press to permanently adjust the temperature. Hold Set To 70 6:30 AM Press to cancel "Hold" and resume the program schedule. The "Hold" feature turns off the program schedule and allows you manually change it, or press RUN to cancel "Hold" setting and resume program schedule. Note: Make sure the thermostat is set will override the temperature settings for all time...
Owner's Manual
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ABbuoiltu-tinyocuormnperwestshoerrpmrostetacttion RTH4300B Programmable Thermostat Inside Set To 75 75 6:30 AM Wake Wed Cool On Message flashes until safe restart time has elapsed. During the wait time, the display will flash the message Cool On (or Heat On if you have a heat pump). When the safe wait time has elapsed, the message stops flashing and the compressor turns on. 13 This feature forces the compressor to the compressor in your air conditioning or heat pump system. Damage can occur...
ABbuoiltu-tinyocuormnperwestshoerrpmrostetacttion RTH4300B Programmable Thermostat Inside Set To 75 75 6:30 AM Wake Wed Cool On Message flashes until safe restart time has elapsed. During the wait time, the display will flash the message Cool On (or Heat On if you have a heat pump). When the safe wait time has elapsed, the message stops flashing and the compressor turns on. 13 This feature forces the compressor to the compressor in your air conditioning or heat pump system. Damage can occur...
Owner's Manual
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... day will not have to remove thermostat from wallplate. The warning flashes about two months before leaving home for more than a month. All other settings are depleted. Replace batteries once a year, or before the batteries are permanently stored in memory, and do not require battery power. 14 Turn thermostat over, insert fresh AA alkaline batteries, then reinstall thermostat. Operating Manual ABbatotuetryyoruerplnaecwemtheenrtmostat Pull at bottom to be reset. Install fresh batteries...
... day will not have to remove thermostat from wallplate. The warning flashes about two months before leaving home for more than a month. All other settings are depleted. Replace batteries once a year, or before the batteries are permanently stored in memory, and do not require battery power. 14 Turn thermostat over, insert fresh AA alkaline batteries, then reinstall thermostat. Operating Manual ABbatotuetryyoruerplnaecwemtheenrtmostat Pull at bottom to be reset. Install fresh batteries...
Owner's Manual
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...; Make sure fresh AA alkaline batteries are correctly installed (see page 6). Display is blank • Check circuit breaker and reset if necessary. • Make sure power switch at heating & cooling system is on. • Make sure furnace door is set higher than the Inside temperature. • Wait 5 minutes for the system to respond. 15 In case of difficulty RTH4300B Programmable Thermostat If you have difficulty with your...
...; Make sure fresh AA alkaline batteries are correctly installed (see page 6). Display is blank • Check circuit breaker and reset if necessary. • Make sure power switch at heating & cooling system is on. • Make sure furnace door is set higher than the Inside temperature. • Wait 5 minutes for the system to respond. 15 In case of difficulty RTH4300B Programmable Thermostat If you have difficulty with your...
Owner's Manual
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Press and hold SET and RUN at the same time for the system to restart safely, without damage to display "Set Schedule." 2. Wait 5 minutes for 4 seconds. 3. Press SET 3 times to the compressor (see page 6). "Heat On" is engaged. "Cool On" or "Heat On" is flashing • Compressor protection feature is not • Set the System switch to Heat, and set the temperature level above the displayed current room temperature (see page 13). To restore...
Press and hold SET and RUN at the same time for the system to restart safely, without damage to display "Set Schedule." 2. Wait 5 minutes for 4 seconds. 3. Press SET 3 times to the compressor (see page 6). "Heat On" is engaged. "Cool On" or "Heat On" is flashing • Compressor protection feature is not • Set the System switch to Heat, and set the temperature level above the displayed current room temperature (see page 13). To restore...
Owner's Manual
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Turn thermostat over to cover marks left by old thermostats. 17 To save time, please note your model number and date code before calling. For assistance with this product, please visit http://yourhome.honeywell.com. Cover plate assembly*....Part No. 50002883-001 *Use to find model number and date code. Or call Honeywell Customer Care toll-free at 1-800-468-1502. ACbuosutotmyoeur ransseiwstathnecremostat RTH4300B Programmable Thermostat Pull at 1-800-468-1502. Accessories To order, please...
Turn thermostat over to cover marks left by old thermostats. 17 To save time, please note your model number and date code before calling. For assistance with this product, please visit http://yourhome.honeywell.com. Cover plate assembly*....Part No. 50002883-001 *Use to find model number and date code. Or call Honeywell Customer Care toll-free at 1-800-468-1502. ACbuosutotmyoeur ransseiwstathnecremostat RTH4300B Programmable Thermostat Pull at 1-800-468-1502. Accessories To order, please...
Owner's Manual
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..., (i) return it, with a bill of sale or other dated proof of purchase, to the place from the date of a consumer. Operating Manual 1-year limited warranty Honeywell warrants this product, excluding battery, to be sent to you purchased it; Honeywell's sole responsibility shall be defective or malfunctions, Honeywell shall repair or replace it (at 1-800-468-1502. If at any time during the warranty period...
..., (i) return it, with a bill of sale or other dated proof of purchase, to the place from the date of a consumer. Operating Manual 1-year limited warranty Honeywell warrants this product, excluding battery, to be sent to you purchased it; Honeywell's sole responsibility shall be defective or malfunctions, Honeywell shall repair or replace it (at 1-800-468-1502. If at any time during the warranty period...