Honeywell RTHL2510 Series Owner's Manual
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Also See for RTHL2510 Series:
- Quick installation manual (60 pages) ,
- Operating manual (48 pages) ,
- Owner's manual (36 pages)
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Programmable
Thermostat
Owner's Manual
Read and save these
instructions.
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
•
RTHL2510/RTHL2410
Series
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Table of Contents
Related Manuals for Honeywell RTHL2510 Series
Summary of Contents for Honeywell RTHL2510 Series
- Page 1 RTHL2510/RTHL2410 Programmable Series Thermostat Owner’s Manual Read and save these instructions. 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 •...
- Page 2 ATTENTION: MERCURY RECYCLING NOTICE This product does not contain mercury. However, this product may replace a product that contains mercury. Mercury and products containing mercury should not be discarded in household trash. N O M E R C U RY NOTICE: To avoid possible compressor damage, do not run air conditioner if the outside temperature drops below 50°F (10°C).
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Page 3: Table Of Contents
Table of contents Installation Programming and operation Setting the clock .........12 Installation ..........3 Adjusting program schedules .....13 Advanced Installation ......9 Overriding schedules temporarily ..14 Overriding schedules permanently ..14 About your new thermostat Compressor protection .......15 Controls and Home screen Early Start ..........15 quick reference ........11 Replace batteries .......16 Preset energy-saving schedules ..12... - Page 4 2 Remove Old Thermostat Remove old thermostat but leave wallplate with wires attached. If you have an older thermostat with a sealed mercury tube, turn to page 2 Do not remove wallplate yet for proper disposal instructions. Terminal designation MCR33823 3 Label Wires with Tags Label the wires using the supplied wire labels as you disconnect them.
- Page 5 5 Mount Wallplate Mount the new wallplate using the included screws and anchors. Used M32714 Drill 3/16-in. holes for drywall Drill 3/32-in. holes for plaster 6 Connect Wires Simply match wire labels. If labels do not match letters on the thermostat, check “Alternate Wiring (Conventional Systems)”...
- Page 6 Alternate Wiring (Conventional Systems) If labels do not match letters on the thermostat, check the chart below and connect to terminal as shown here (see notes, below). M32726 If wires will be connected to both R and Rc terminals, remove metal jumper.
- Page 7 Alternate wiring (for heat pumps with auxiliary or backup heat only) If labels do not match letters on the thermostat, check the chart below and connect to terminal as shown here (see notes, below). M32728 Leave metal jumper in place, connecting &...
- Page 8 8 Set fan operation switch Move the switch to the proper setting: RTHXXXX Gas or Oil: For gas or oil heating systems, leave the fan operation switch in this factory-set position (for systems that control the fan in a call for heat).
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Page 9: Advanced Installation
11 If your system type is... If your system type is: q Single Stage Heat and Cool q Heat Only or Cool Only Congratulations, you’re done! If your system type is: q Heat Pump* with Backup Heat Continue with Advanced Installation to match your thermostat to your system type. - Page 10 During the wait time, the message “Cool On” or “Heat On” is displayed on screen. 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. Backlit display is easy to read •...
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Page 11: About Your New Thermostat Controls And Home Screen Quick Reference
Thermostat controls Set: Press to set Temperature time/day/schedule. adjustment Press the up or Hold: Press down buttons to override until you reach programmed the desired temperature temperature. control. NOTE: Make sure Run: Press to the SYSTEM switch resume program is set to the system Heat Off Cool Auto On schedule. -
Page 12: Preset Energy-Saving Schedules
Set the time and day 1. Press the SET button, then press Set Time to set the clock time. 6 : 30 2. Press the SET button, then press to select the day of the week. 3. Press RUN to save & exit. M32702 If the clock flashes, the NOTE:... -
Page 13: Adjusting Program Schedules
To adjust program schedules (RTHL2510) 1. Press SET until Set Schedule is displayed. 6 : 30 2. Press to set your Wake time for the day displayed, then press SET. Wake Set Schedule 3. Press to set the M32704 temperature for this time period, then press SET. -
Page 14: Overriding Schedules Temporarily
Program schedule override (temporary) Press to immediately adjust Temporary 6 : 30 the temperature. This will temporarily override the temperature setting for the current time period. Wake “Temporary” will appear on the display M32708 and the current program period will flash. -
Page 15: Compressor Protection
Built-in compressor protection This feature helps prevent damage to the compressor in your air conditioning 6 : 30 or heat pump system. Damage can occur if the compressor is restarted too soon after shutdown. This Cool feature forces the compressor to wait 5 Wake minutes before restarting. -
Page 16: Replace Batteries
Battery replacement Install two fresh AAA batteries when Pull at bottom to remove Lo Batt flashes on the screen. Lo thermostat from wallplate. Batt appears for 60 days before the batteries are depleted. Replace batteries once a year, or when you will be away for more than a month. -
Page 17: Troubleshooting
Troubleshooting If you have difficulty with your thermostat, please try the following suggestions. Most problems can be corrected quickly and easily. Display is Check circuit breaker and reset if necessary. • blank Make sure power switch at heating & cooling system is on. •... - Page 18 Operating Manual RTHL2510/RTHL2410 Series Programmable Thermostat...
- Page 19 CAUTION: EQUIPMENT DAMAGE HAZARD. To prevent possible compressor damage, do not operate cooling system when outdoor temperature is below 50°F (10°C). Read and save these instructions. ® U.S. Registered Trademark. Patents pending. Copyright © 2013 Honeywell International Inc. All rights reserved.
- Page 20 RTHL2510/RTHL2410 RTHL2510/RTHL2410 Table of contents About your new thermostat Appendices Thermostat features Battery replacement Thermostat is preset, ready to go Customer assistance Quick reference to controls In case of difficulty Quick reference to display Programming & Operation Set time and day This thermostat is ready to go! Select system setting Select fan setting...
- Page 21 Operating Manual About your new thermostat 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 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 •...
- Page 22 RTHL2510/RTHL2410 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: Set time and day (required for proper operation) ......See page 6 Select system setting: Preset to Off ........To change, see page 7 Select fan setting: Preset to Auto ........To change, see page 8 Program schedules: Preset to energy-saving levels...
- Page 23 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. adjustment (see Run: Press to resume page 13-14) program schedule. Heat Off Cool Auto On M32700...
- Page 24 RTHL2510/RTHL2410 Quick reference to display screen Setpoint indicator Low battery warning (see page 17) Appears when the setpoint temperature Batt 6 : 30 is displayed. Current day/time Temperature (see page 6) The ambient (measured) temperature is normally Heat Wake Current program period displayed.
- Page 25 Operating Manual Set the time and day Press SET, then adjust time. 1. Press the SET button, then press to set the clock time. Set Time 6 : 30 2. Press the button, then press select the day of the week. 3.
- Page 26 RTHL2510/RTHL2410 Select the system setting The SYSTEM switch can be set to control your heating or cooling system, depending on the season. • Cool: Cooling system control. • Off: All systems are off. • Heat: Heating system control. Heat Off Cool Auto On M32700 CAUTION: EQUIPMENT DAMAGE...
- Page 27 Operating Manual Select the fan setting Set the FAN switch to 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. Heat Off Cool Auto On M32700 Set FAN switch to choose whether the fan runs continuously or only as needed.
- Page 28 RTHL2510/RTHL2410 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 Set to the time you awaken and the temperature you want 6:00 am during the morning, until you leave for the day.
- Page 29 Operating Manual About your new thermostat 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. (See next page to adjust times and temperatures of each time period.) Heat (Mon-Fri) Cool (Mon-Fri) Heat (Sat-Sun)
- Page 30 RTHL2510/RTHL2410 To adjust program schedules (RTHL2510) Press SET 3 times, then adjust time. 1. Press SET until Set Schedule is displayed. 2. Press to set your Wake time for the day displayed, then press SET. 3. Press to set the temperature for this 6 : 30 time period, then press SET.
- Page 31 Operating Manual To adjust program schedules (RTHL2410) Press SET 3 times, then adjust time. 1. Press SET until Set Schedule is displayed. 2. Press to set your weekday Wake time (Mo-Fr), then press SET. 3. Press to set the temperature for this 6 : 30 time period, then press SET.
- Page 32 RTHL2510/RTHL2410 About your new thermostat Program schedule override (temporary) Press to temporarily adjust temperature. Press to immediately adjust the temperature. This will temporarily override Temporary the temperature setting for the current time 6 : 30 period. “Temporary” will appear on the display and Wake the current program period will flash.
- Page 33 Operating Manual About your new thermostat Program schedule override (permanent) Press to permanently adjust temperature. Press HOLD to permanently adjust the temperature. This will override the 6 : 30 temperature settings for all time periods. Hold The “Hold” feature turns off the program schedule and allows you to adjust the thermostat manually, as needed.
- Page 34 RTHL2510/RTHL2410 About your new thermostat Built-in compressor protection This feature helps prevent damage to the com- pressor in your air conditioning or heat pump 6 : 30 system. Damage can occur if the compressor is restarted too soon after shutdown. This feature forces the Cool Wake compressor to wait 5 minutes before restarting. During the wait time, the display will flash the M32711 message Cool On (or Heat On if you have...
- Page 35 Operating Manual About your new thermostat Early Start This feature allows the heating or Early Start: cooling to turn on before the program start 6 : 30 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°.
- Page 36 RTHL2510/RTHL2410 Battery replacement Install two fresh AAA batteries when Pull at bottom to remove thermostat Lo Batt flashes on the screen. Lo Batt from wallplate. appears for 60 days before the batter- ies are depleted. Used Replace batteries once a year, or when Turn thermostat over, insert fresh AAA alkaline you will be away for more than a month.
- Page 37 Operating Manual Customer assistance Pull at bottom to remove thermostat To save time, please note your model num- from wallplate. ber and date code before calling. Used Turn thermostat over to find model number and date code. Heat Off Cool Auto On M32705 RTHXXXX...
- Page 38 RTHL2510/RTHL2410 In case of difficulty If you have difficulty with your thermostat, please try the following suggestions. Most problems can be corrected quickly and easily. Display is blank • Make sure furnace door is closed securely. • Make sure fresh AAA alkaline batteries are correctly installed (see page 17). Heating or cooling • Set system switch to Heat (see page 7). Make sure the temperature is system does not set higher than the Inside temperature.
- Page 39 Operating Manual In case of difficulty Temperature Make sure heating and cooling temperatures are set to acceptable ranges: settings do not • Heat: 40° to 90°F (4.5° to 32°C). change • Cool: 50° to 99°F (10° to 37°C). “Cool On” or • Compressor protection feature is engaged. Wait 5 minutes for the system to “Heat On”...