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Honeywell RTHL2410 series, Owner'S Manual, Page: 19 / 39

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Honeywell RTHL2410 series Owner'S Manual Download Page 19

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® U.S. Registered Trademark. Patents pending. 

Copyright © 2013 Honeywell International Inc. All rights reserved.

This manual covers the following models:

RTHL2510
RTHL2410

CAUTION: EQUIPMENT DAMAGE HAZARD. 

To prevent possible compressor damage, do not operate cooling system when outdoor 
temperature is below 50°F (10°C).

Summary of Contents for RTHL2410 series

Page 1: ... Identify System Type This thermostat is compatible with the following systems Gas oil or electric furnace Central air conditioner Hot water system with or without pump Millivolt system Central heating and cooling system Heat pump without auxiliary backup heat Heat pump with auxiliary backup heat ...

Page 2: ...n mercury However this product may replace a product that contains mercury Mercury and products containing mercury should not be discarded in household trash NO MERCURY Hg RTHXXXX M32707 Customer assistance To save time please note your model number and date code before calling Pull at bottom to remove thermostat from wallplate Turn thermostat over to find model number and date code ...

Page 3: ...ramming and operation Setting the clock 12 Adjusting program schedules 13 Overriding schedules temporarily 14 Overriding schedules permanently 14 Compressor protection 15 Early Start 15 Replace batteries 16 Appendices Troubleshooting 17 Table of contents 1 Turn Off Power to Heating Cooling System or M31535 Circuit breaker box Heating cooling system power switch ...

Page 4: ...n If you have an older thermostat with a sealed mercury tube turn to page 2 for proper disposal instructions Terminal designation C C MCR31537 2 Remove Old Thermostat Remove old thermostat but leave wallplate with wires attached 4 Separate Wallplate from New Thermostat Remove wallplate from the new thermostat and mount onto wall M32731 TO REMOVE WALLPLATE PULL HERE Wallplate ...

Page 5: ...nect Wires Simply match wire labels If labels do not match letters on the thermostat check Alternate Wiring Conventional Systems on page 6 and connect to terminal as shown see notes below M32715 SCREW INSERT WIRES AND TIGHTEN SCREWS WIRE HOLE LABELED WIRES W Aux W Y G R Not Used Remove metal jumper if you have both R and Rc wires W Aux Not Used M32714 ...

Page 6: ...e end of wire with electrical tape If you have a heat pump without auxiliary backup heat connect O or B not both If you do not have a heat pump do not connect B Wrap bare end of wire with electrical tape Place a jumper piece of wire between Y and W if you are using a heat pump without auxiliary backup heat B O G Y W AUX NOT USED R Rc M32726 4 4 M32727 G W AUX O B Y Y G O R R Rc Aux Alternate Wirin...

Page 7: ...ified contractor for help If your old thermostat had separate O and B wires wrap the B wire in electrical tape and do not connect If your old thermostat had Y1 W1 and W2 wires stop now and contact a qualified contractor for help Do not use C or X wire Do not use B wire if you already have O wire Wrap bare end of wire with electrical tape Do not use L wire Wrap bare end of wire with electrical tape...

Page 8: ...heat systems This setting is for systems that allow the thermostat to control the fan in a call for heat if a fan wire is connected to the G terminal 9 Install Thermostat onto Wallplate Install thermostat onto the wallplate on the wall RTHXXXX M32716 GAS OR OIL ELECTRIC OR HEAT PUMP GAS OR OIL ELECTRIC OR HEAT PUMP 10Turn Power Back On Turn the power back on to the heating cooling system W Aux Not...

Page 9: ... in the winter to provide heating This thermostat works on 24 volt or 750 mV systems It will NOT work on multi stage conventional systems Advanced Installation Enter System Setup To enter system setup press and hold both the s and t buttons until the display changes approximately 5 seconds Changing Settings 1 Press the s or t button to change the setting 2 Press the s and t buttons simultaneously ...

Page 10: ... setting if you have a steam or gravity heat system 13 select Early Start 1 On 0 Off 14 select Fahrenheit or Celsius temperature display 0 Fahrenheit temperature display F 1 Celsius temperature display C 15 select Compressor Protection settings 1 On 0 Off 20 select clock display 0 12 hour display 1 24 hour display 40 restore program schedule to default settings 0 Off 1 On Program schedule default ...

Page 11: ...m Switch is used to control your heating or cooling system Heat Heating system control Off All systems off Cool Cooling system control Display screen M32701 We Lo Batt Wake Set am Heat 75 On 6 30 Low battery warning see page 16 Setpoint indicator Appears when the setpoint temperature is displayed Temperature The ambient measured temperature is normally displayed To view the setpoint temperature pr...

Page 12: ...d the pre set settings shown in the table below since they can reduce your heating cooling expenses Wake Set to the time you awaken and the temperature you want during the morning until you leave for the day Leave 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 want during t...

Page 13: ...then press RUN to save exit NOTE Make sure the thermostat is set to the system you want to program Heat or Cool 1 Press SET until Set Schedule is displayed 2 Press s or t to set your Wake time for the day displayed then press SET 3 Press s or t to set the temperature for this time period then press SET 4 Set time and temperature for the next time period Leave Repeat steps 2 and 3 for each day s ti...

Page 14: ...t any time press RUN NOTE Make sure the thermostat is set to the system you want to control heat or cool Hold Set am 70 6 30 M32710 Set am 75 6 30 M32709 Program schedule override permanent Press HOLD to permanently adjust the temperature This will override the temperature settings for all time periods The Hold feature turns off the program schedule and allows you to adjust the thermostat manually...

Page 15: ...e a heat pump When the safe wait time has elapsed the message stops flashing and the compressor turns on We Wake am Cool 75 On 6 30 M32711 Early Start This feature allows the heating or cooling to turn on before the program start time so the temperature is reached at the time you set For example Set the Wake time to 6 am and the temperature to 70 The heat will come on before 6 am so the temperatur...

Page 16: ...d in non volatile permanent memory Only the clock and the day must be set after you replace the batteries Pull at bottom to remove thermostat from wallplate Turn thermostat over insert fresh AAA alkaline batteries then reinstall thermostat Set the System switch to Off before removing the batteries Otherwise the heating cooling system could remain activated even when batteries are removed RTHXXXX M...

Page 17: ...emperature Set system switch to Cool Make sure the temperature is set lower than the Inside temperature Wait 5 minutes for the system to respond Temperature settings do not change Make sure heating and cooling temperatures are set to acceptable ranges Heat 40 to 90 F 4 5 to 32 C Cool 50 to 99 F 10 to 37 C Cool On or Heat On is flashing Compressor protection feature is engaged Wait 5 minutes for th...

Page 18: ...Operating Manual RTHL2510 RTHL2410 Series Programmable Thermostat ...

Page 19: ...nding Copyright 2013 Honeywell International Inc All rights reserved This manual covers the following models RTHL2510 RTHL2410 CAUTION EQUIPMENT DAMAGE HAZARD To prevent possible compressor damage do not operate cooling system when outdoor temperature is below 50 F 10 C ...

Page 20: ...em setting Select fan setting Using program schedules Adjust program schedule RTHL2510 Adjust program schedule RTHL2410 Program schedule overrides Compressor protection Early Start Appendices Battery replacement Customer assistance In case of difficulty This thermostat is ready to go Your new thermostat is pre programmed and ready to go See page 10 to check settings Table of contents RTHL2510 RTHL...

Page 21: ...able service and easy to use push button climate control Features Backlit display is easy to read Displays ambient measured temperature at all times One touch access to setpoint temperature Preset program settings Temporary and permanent override of schedule Early start ensures the right temperature at the right time Built in compressor protection ...

Page 22: ...t time and day required for proper operation See page 6 2 Select system setting Preset to Off To change see page 7 3 Select fan setting Preset to Auto To change see page 8 4 Program schedules Preset to energy saving levels while you re at work or asleep To 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...

Page 23: ...ou press any button Fan Switch see page 8 On Fan runs continuously Auto Fan runs only when heating or cooling system is on Set Press to set time day schedule Hold Press to override programmed tempera ture control Run Press to resume program schedule System switch see page 7 Heat Heating system control Off All systems off Cool Cooling system control ...

Page 24: ...d temperature is normally displayed To view the setpoint temperature press the Up or Down button once The setpoint temperature will appear for five seconds System status Cool on Cooling system is on Heat on Heating system is on Aux On Auxiliary heat is activated When Heat On or Cool On is flashing compressor protection is engaged see page 15 Current day time see page 6 Current program period Wake ...

Page 25: ...ress s or t to set the clock time 2 Press the button then press s or t to select the day of the week 3 Press to save exit Note If the clock flashes the thermostat will follow your settings for the Monday Wake time period until you reset the time and day Press SET then adjust time Press then select current day ...

Page 26: ...ing or cooling system depending on the season Cool Cooling system control Off All systems are off Heat Heating system control Set SYSTEM switch 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 ...

Page 27: ... 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 Set FAN switch to choose whether the fan runs continuously or only as needed M32700 Heat Off Cool Auto On Fan ...

Page 28: ...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 WAKE 6 00 am 70 LEAVE 8 ...

Page 29: ...gy saving program settings We recommend these settings since they can reduce your heating cooling expenses See next page 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 Cool Mon Fri Heat Mon Fri Heat Sat Sun Cool Sat Sun 70 78 70 78 62 85 62 85 70 78 70 78 62 82 62 82 ...

Page 30: ...ay displayed then press SET 3 Press s or t to set the temperature for this time period then press SET 4 Set time and temperature for the next time period Leave Repeat steps 2 and 3 for each day s time period 5 Press RUN to save exit Note Make sure the thermostat is set to the system you want to program Heat or Cool Press SET 3 times then adjust time Press SET then set desired temperature ...

Page 31: ...SET 3 Press s or t to set the temperature for this time period then press SET 4 Set time and temperature for the next time period Leave Repeat steps 2 and 3 for each weekday time period 5 Press SET to set weekend time periods Sa Su then press RUN to save exit Note Make sure the thermostat is set to the system you want to program Heat or Cool Press SET 3 times then adjust time Press SET then set de...

Page 32: ...for the current time period Temporary will appear on the display and the current program period will flash The new temperature will be maintained only until the next programmed time period begins see page 9 To cancel the temporary setting at any time press RUN Press to temporarily adjust temperature Press to cancel temporary setting and resume program schedule Note Make sure the thermostat is set ...

Page 33: ...temperature Press HOLD to permanently adjust the temperature This will override the temperature settings for all time periods The Hold feature turns off the program schedule and allows you to adjust the thermostat manually as needed Whatever temperature you set will be maintained 24 hours a day until you manually change it or press RUN to cancel Hold and resume the program schedule Press to cancel...

Page 34: ...e compressor is restarted too soon after shutdown This feature forces the compressor to wait 5 minutes before restarting 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 Message flashes until safe restart time has elapsed We Wake am Cool 75 On 6 30 M32711 ...

Page 35: ... so the temperature is reached at the time you set For example Set the Wake time to 6 am and the temperature to 70 The heat will come on before 6 am so the temperature is 70 by the time you wake at 6 The next time period is displayed when the system is acti vated before a scheduled time period Early Start We Wake am Cool 75 On 6 30 M32712 ...

Page 36: ...re stored in non volatile permanent memory Only the clock and the day must be set after you replace the batteries Pull at bottom to remove thermostat from wallplate Turn thermostat over insert fresh AAA alkaline batteries then reinstall thermostat Set the System switch to Off before removing the batteries Otherwise the heating cooling system could remain activated even when batteries are removed R...

Page 37: ...ot Used Heat Off Cool Auto On Fan M32705 Customer assistance To save time please note your model num ber and date code before calling Turn thermostat over to find model number and date code Pull at bottom to remove thermostat from wallplate ...

Page 38: ... securely Make sure fresh AAA alkaline batteries are correctly installed see page 17 Heating or cooling system does not respond Set system switch to Heat see page 7 Make sure the temperature is set higher than the Inside temperature Set system switch to Cool see page 7 Make sure the temperature is set lower than the Inside temperature Wait 5 minutes for the system to respond In case of difficulty ...

Page 39: ...e is engaged Wait 5 minutes for the system to restart safely without damage to the compressor see page 15 Heat On is not displayed Set the System switch to Heat and set the temperature level above the current room temperature see page 7 Cool On is not displayed Set the System switch to Cool and set the temperature level below the current room temperature see page 7 In case of difficulty Check out ...

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