69-2727ES-01 - RTH2300/RTH221 Series - Honeywell Store

1 Operating Manual RTH2300/RTH221 Series Programmable Thermostat 69-2727ES-01 . This manual covers the following models: RTH2300. RTH221. CAUTION: EQUIPMENT DAMAGE HAZARD. To prevent possible compressor damage, do not operate cooling system when outdoor temperature is below 50 F (10 C). Need Help? For assistance with this product please visit or call Honeywell Customer Care toll-free at 1-800-468-1502. Read and save these instructions. Registered Trademark. Patents pending. Copyright 2012 Honeywell International Inc. All rights reserved. RTH2300/RTH221 . Table of contents About your new thermostat Appendices Thermostat 2 Battery 17. Thermostat is preset, ready to 3 Customer 18. Quick reference to 4 In case of 19 20. Quick reference to 5 Limited 21. Programming & Operation Set time and 6. Select system 7 This thermostat is ready to go!

2 Select fan 8 Your new thermostat is pre-programmed Using program 9 10 and ready to go. Adjust program schedule (RTH2300).. 11 See page 10 to check settings. Adjust program schedule (RTH221).. 12. Program schedule 13 14. compressor 15. Change Filter (RTH2300).. 16. 1 69-2727ES 01. Operating Manual About your new thermostat Your new Honeywell thermostat has been designed to give you many years of reliable service and easy-to-use, push-button climate control. Features Backlit display on RTH2300. Displays ambient (measured) temperature at all times One-touch access to setpoint temperature Preset program settings Temporary and permanent override of schedule Built-in compressor protection 69-2727ES 01 2. RTH2300/RTH221 . 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.

3 Then check the settings below and change if needed: 1. Set time and day (required for proper operation)..See page 6. 2. Select system setting: Preset to change, see page 7. 3. Select fan setting: Preset to change, see page 8. 4. Program schedules: Preset to energy-saving levels while you're at work or change, see pages 9-12. ONE-TOUCH TEMP CONTROL: You can override the program schedule at any time, and manually adjust the temperature (see pages 13-14). 3 69-2727ES 01. Operating Manual Quick reference to controls Set: Press to set time/ Screen Lit for 12 seconds when you press any button. day/schedule. Hold: Press to override programmed tempera- Temperature ture control. Set adjustment (see Run: Press to resume Hold page 13-14). program schedule. Run Fan Fan Heat Off Cool Auto On Heat Off Cool Auto On M33612. System switch (see page 7) Fan Switch (see page 8).

4 Heat: Heating system control. On: Fan runs continuously. Off: All systems off. Auto: Fan runs only when heating or cooling system Cool: Cooling system control. is on. 69-2727ES 01 4. RTH2300/RTH221 . Quick reference to display screen Setpoint indicator Low battery warning Appears when the (see page 16). setpoint temperature Lo Batt 6:30. 75. is displayed. Set Current day/time am Temperature (see page 6). We The ambient (measured). temperature is normally Current program period Wake Heat Wake/Leave/Return/Sleep On displayed. To view the setpoint temperature, (see pages 9-10) M32701 press the Up or Down button once. The setpoint System status temperature will appear for Cool on: Cooling system is on. five seconds. Heat on: Heating system is on. When Cool On is flashing, compressor protection is engaged (see page 15). 5 69-2727ES 01.

5 Operating Manual Set the time and day Press SET, then adjust time. 1. Press the SET button, then press s or t to set the clock time. Set Time Set Hold 6:30 am 2. Press the SET button, then press s or t to select the day of the week. Run 3. Press RUN to save & exit. M33787. Note: If the clock flashes, the thermostat will follow your settings for the Monday Wake time period Press SET, then select current day. until you reset the time and day. Set Day Set Hold We Run M33788. 69-2727ES 01 6. RTH2300/RTH221 . Select the system setting The SYSTEM switch can be set to control your heating or cooling system, depending on the season. Set Cool: Cooling system control. Hold Run Off: All systems are off. Heat: Heating system control. Fan Fan Heat Off Cool Auto On Heat Off Cool Auto On M33612. CAUTION: EQUIPMENT DAMAGE. Set SYSTEM switch to control the HAZARD.

6 To prevent possible heating or cooling system. compressor damage, do not operate cooling system when outdoor temperature is below 50 F (10 C). 7 69-2727ES 01. Operating Manual Select the fan setting Set the FAN switch to Auto or On. In Auto mode (the most commonly used Set setting), the fan runs only when the heating Hold or cooling system is on. Run If set to On, the fan runs continuously. Fan Fan Heat Off Cool Auto On Heat Off Cool Auto On M33612. Set FAN switch to choose whether the fan runs continuously or only as needed. 69-2727ES 01 8. RTH2300/RTH221 . 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. 6:00 am Set to the time you awaken and the temperature you want during the morning, until you leave for the day.

7 70 . LEAVE. 8:00 am Set to the time you leave home and the temperature you want while you are away (usually an energy-saving level). 62 . RETURN. 6:00 pm Set to the time you return home and the temperature you want during the evening, until bedtime. 70 . SLEEP. 10:00 pm Set to the time you go to bed and the temperature you want overnight (usually an energy-saving level). 62 9 69-2727ES 01. Operating Manual About your Energy saving newsettings thermostat 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) Cool (Mon-Fri) Heat (Sat-Sun) Cool (Sat-Sun). Wake (6:00 am) 70 78 70 78 . Leave (8:00 am) 62 85 62 85.

8 Return (6:00 pm) 70 78 70 78 . Sleep (10:00 pm) 62 82 62 82 . 69-2727ES 01 10. RTH2300/RTH221 . To adjust program schedules (RTH2300). Press SET 3 times, then adjust time. 1. Press SET until Set Schedule is displayed. 2. Press s or t to set your weekday Wake time (Mo-Fr), then press SET. 3. Press s or t to set the temperature for this 6:30. 75. Set time period, then press SET. Set am Hold Mo Tu We Th Fr 4. Set time and temperature for the next time Run Wake Set Schedule period (Leave). Repeat steps 2 and 3 for each M33794 weekday time period. 5. Press SET to set weekend time periods (Sa &. Su), then press RUN to save & exit. Press SET, then set desired temperature. Note: Make sure the thermostat is set to the system you want to program (Heat or Cool). 11 69-2727ES 01. Operating Manual To adjust program schedules (RTH221).

9 Press SET 3 times, then adjust time. 1. Press SET until Set Schedule is displayed. 2. Press s or t to set your Wake time (Mo-Su), then press SET. 3. Press s or t to set the temperature for this 6:30. 75. Set time period, then press SET. Set am Hold Mo Tu We Th Fr Sa Su 4. Set time and temperature for the next time Run Wake Set Schedule period (Leave). Repeat steps 2 and 3 for each M33795 time period. 5. Press RUN to save & exit. Press SET, then set desired temperature. Note: Make sure the thermostat is set to the system you want to program (Heat or Cool). 69-2727ES 01 12. RTH2300/RTH221 . About your Program schedule new thermostat override (temporary). Press to temporarily adjust temperature. Press s or t to immediately adjust the temperature. This will temporarily override Temporary the temperature setting for the current time 6:30.

10 70. Set Set am Hold period. Run Temporary will appear on the display. M33796 The new temperature will be maintained Press to cancel temporary setting and only until the next programmed time period resume program schedule. begins (see page 9). To cancel the temporary setting at any time, 6:30. 75. Set Set am press RUN. Hold Run M33797. Note: Make sure the thermostat is set to the system you want to control (heat or cool). 13 69-2727ES 01. Operating Manual About your Program schedule new thermostat override (permanent). Press to permanently adjust temperature. Press HOLD to permanently adjust the temperature. This will override the 6:30. 70. Set temperature settings for all time periods. Set am Hold Hold The Hold feature turns off the program Run schedule and allows you to adjust the M33798 thermostat manually, as needed.