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Includes battery replacement, customer assistance, difficulty troubleshooting, and limited warranty information.",{"@graph":14,"@context":72},[15,34,55],{"@type":16,"itemListElement":17},"BreadcrumbList",[18,23,27,31],{"item":19,"name":20,"@type":21,"position":22},"https://docshare.wps.com","Home","ListItem",1,{"item":24,"name":25,"@type":21,"position":26},"https://docshare.wps.com/document/","Document",2,{"item":28,"name":29,"@type":21,"position":30},"https://docshare.wps.com/document/technology/","Technology",3,{"item":32,"name":10,"@type":21,"position":33},"https://docshare.wps.com/document/rth2300rth221-series-programmable-thermostat-operating-manual/640911/",4,{"url":32,"name":10,"@type":35,"image":36,"author":41,"headline":10,"publisher":44,"fileFormat":47,"inLanguage":8,"description":12,"dateModified":48,"datePublished":49,"encodingFormat":47,"isAccessibleForFree":50,"interactionStatistic":51},"DigitalDocument",{"url":37,"@type":38,"width":39,"height":40},"https://docshare.wps.com/thumbnails/rth2300rth221-series-programmable-thermostat-operating-manual/640911.png","ImageObject",300,407,{"name":42,"@type":43},"วิน","Person",{"url":19,"name":45,"@type":46},"DocShare","Organization","application/pdf","2026-10-26","2026-10-22",true,{"@type":52,"interactionType":53,"userInteractionCount":26},"InteractionCounter",{"@type":54},"ViewAction",{"@type":56,"mainEntity":57},"FAQPage",[58,64,68],{"name":59,"@type":60,"acceptedAnswer":61},"How do I set the time and day on the RTH2300/RTH221 thermostat?","Question",{"text":62,"@type":63},"Press SET, then use the s or t buttons to adjust the clock time and select the day of the week. Press RUN to save and exit.","Answer",{"name":65,"@type":60,"acceptedAnswer":66},"What system and fan settings are available?",{"text":67,"@type":63},"The SYSTEM switch can be set to Cool, Heat, or Off to control heating or cooling. The FAN switch can be set to Auto (fan runs only when heating/cooling is on) or On (fan runs continuously).",{"name":69,"@type":60,"acceptedAnswer":70},"What safety caution should I follow regarding cooling operation?",{"text":71,"@type":63},"Do not operate the cooling system when outdoor temperature is below 50°F (10°C) to prevent possible compressor damage.","https://schema.org",{"og:url":32,"og:type":74,"og:title":10,"og:site_name":45,"og:description":12},"article",{"robots":76,"canonical":32},"index,follow",{"doc_id":78,"site_id":7},640911,1793047531,{"code":4,"msg":81,"data":82},"success",[83,87,91,95,100,104,109,114,119,122,126],{"id":22,"doc_module":4,"doc_module_name":25,"category_name":84,"show_sort_weight":85,"slug":86},"Story & Novel",90,"story-novel",{"id":26,"doc_module":4,"doc_module_name":25,"category_name":88,"show_sort_weight":89,"slug":90},"Literature",80,"literature",{"id":33,"doc_module":4,"doc_module_name":25,"category_name":92,"show_sort_weight":93,"slug":94},"Exam",70,"exam",{"id":96,"doc_module":4,"doc_module_name":25,"category_name":97,"show_sort_weight":98,"slug":99},5,"Comic",60,"comic",{"id":101,"doc_module":4,"doc_module_name":25,"category_name":29,"show_sort_weight":102,"slug":103},6,50,"technology",{"id":105,"doc_module":4,"doc_module_name":25,"category_name":106,"show_sort_weight":107,"slug":108},7,"Healthcare",40,"healthcare",{"id":110,"doc_module":4,"doc_module_name":25,"category_name":111,"show_sort_weight":112,"slug":113},8,"Research & Report",30,"research-report",{"id":115,"doc_module":4,"doc_module_name":25,"category_name":116,"show_sort_weight":117,"slug":118},9,"Religion & Spirituality",20,"religion-spirituality",{"id":117,"doc_module":4,"doc_module_name":25,"category_name":120,"show_sort_weight":117,"slug":121},"World Cup","world-cup",{"id":123,"doc_module":4,"doc_module_name":25,"category_name":124,"show_sort_weight":123,"slug":125},10,"Lifestyle","lifestyle",{"id":127,"doc_module":4,"doc_module_name":25,"category_name":128,"show_sort_weight":96,"slug":129},19,"General","general",{"code":4,"msg":81,"data":131},{"doc_id":78,"user_id":132,"nickname":42,"user_avatar":133,"doc_module":4,"category_id":101,"category_name":29,"doc_title":10,"doc_description":12,"doc_content":134,"file_id":135,"file_url":136,"file_type":137,"file_size":138,"view_count":26,"is_deleted":4,"is_public":22,"is_downloadable":22,"audit_status":22,"page_count":139,"language":140,"language_code":8,"site_id":7,"html_lang":8,"table_of_contents":141,"faqs":142,"seo_title":143,"seo_description":12,"update_tm":144,"read_time":145},2336475104736,"https://ap-avatar.wpscdn.com/avatar/22000c4c5e0e5b17e70?x-image-process=image/resize,m_fixed,w_180,h_180&k=1786591360781797222","Operating Manual  \nRTH2300/RTH221 Series  \nProgrammable Thermostat  \nThis manual covers the following models: RTH2300  \nRTH221  \nCAUTION: EQUIPMENT DAMAGE HAZARD.  \nTo prevent possible compressor damage, do not operate cooling system when outdoor temperature is below 50°F (10°C) .  \nNeed Help?  \nFor assistance with this product please visit [http://yourhome.honeywell.com](http://yourhome.honeywell.com)[ ](http://yourhome.honeywell.com)or call Honeywell Customer Care toll-free at 1-800-468-1502  \nRead and save these instructions.  \n® U.S. Registered Trademark. Patents pending.  \nCopyright © 2012 Honeywell International Inc. All rights reserved.  \nTable of contents  \nAbout your new thermostat  \nThermostat features .................................... 2  \nThermostat is preset, ready to go...............3  \nQuick reference to controls ......................... 4  \nQuick reference to display........................... 5  \nProgramming & Operation  \nSet time and day ......................................... 6  \nSelect system setting .................................. 7  \nSelect fan setting ........................................ 8  \nUsing program schedules ..................... 9–10  \nAdjust program schedule (RTH2300) ....... 11  \nAdjust program schedule (RTH221) ......... 12  \nProgram schedule overrides ............... 13–14  \nCompressor protection.............................. 15  \nChange Filter (RTH2300) .......................... 16  \nAppendices  \nBattery replacement.................................. 17  \nCustomer assistance ................................ 18  \nIn case of difficulty .............................. 19–20  \nLimited warranty........................................ 21  \nThis thermostat is ready to go!  \nYour new thermostat is pre-programmed and ready to go.  \nSee page 10 to check settings.  \n1 69-2727ES—01  \nAbout your new thermostat  \nYour new Honeywell thermostat has been designed to give you many years of reliable service and easy-to-use, push-button climate control.  \nFeatures  \n• Backlit display on RTH2300  \n• Displays ambient (measured) temperature at all times  \n• One-touch access to setpoint temperature  \n• Preset program settings  \n• Temporary and permanent override of schedule  \n• Built-in compressor protection  \n69-2727ES—01 2  \nThis thermostat is ready to go!  \nYour 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:  \n1. Set time and day (required for proper operation) .............................. See page 6  \n2. Select system setting: Preset to Off .................................... To change, see page 7  \n3. Select fan setting: Preset to Auto ....................................... To change, see page 8  \n4. Program schedules: Preset to energy-saving levels while you’re at work or asleep........................................ To change, see pages 9-12  \nONE-TOUCH TEMP CONTROL: You can override the program schedule at any time, and manually adjust the temperature (see pages 13-14) .  \n3 69-2727ES—01  \nQuick reference to controls  \nSet: Press to set time/ day/schedule.  \nHold: Press to override programmed temperature control.  \nRun: Press to resume program schedule.  \nScreen Lit for 12 seconds when you press any button.  \nSet   \nHold   \nRun   \nTemperature adjustment (seepage 13-14)  \nSystem switch (see page 7)  \n• Heat: Heating system control.  \n• Off: All systems off.  \n• Cool: Cooling system control.  \nM33612 Fan Switch (see page 8)  \nOn: Fan runs continuously.  \nAuto: Fan runs only when heating or cooling system is on.  \n69-2727ES—01 4  \nQuick reference to display screen  \nSetpoint indicator Low battery warning  \nAppears when the (see page 16)  \nCi(ssreisprepnalayet dgeday6.)/time  : 30am Set 75~~ ~~Batt~~ ~~ TemThtemepapetuirneteis(mneoasurermalldy)  \nsetpoint temperature Lo  \nCurrent program period  Wake HeOant displayed. To view the  \nWake/Leave/Return/Sleep setpoint temperature,  \n(see pages 9-10) M","cbCaisEdnr5wjHlW","https://ap.wps.com/l/cbCaisEdnr5wjHlW","pdf",1661775,48,"English","# About your new thermostat\n## Thermostat features\n## Thermostat is preset, ready to go\n# Quick reference to controls\n## Quick reference to display\n# Programming & Operation\n## Set time and day\n## Select system setting\n## Select fan setting\n## Using program schedules\n## Adjust program schedule (RTH2300)\n## Adjust program schedule (RTH221)\n## Program schedule overrides\n## Compressor protection\n## Change Filter (RTH2300)\n# Appendices\n## Battery replacement\n## Customer assistance\n## In case of difficulty\n## Limited warranty","[{\"question\":\"How do I set the time and day on the RTH2300/RTH221 thermostat?\",\"answer\":\"Press SET, then use the s or t buttons to adjust the clock time and select the day of the week. Press RUN to save and exit.\"},{\"question\":\"What system and fan settings are available?\",\"answer\":\"The SYSTEM switch can be set to Cool, Heat, or Off to control heating or cooling. The FAN switch can be set to Auto (fan runs only when heating/cooling is on) or On (fan runs continuously).\"},{\"question\":\"What safety caution should I follow regarding cooling operation?\",\"answer\":\"Do not operate the cooling system when outdoor temperature is below 50°F (10°C) to prevent possible compressor damage.\"}]","RTH2300/RTH221 Series Programmable Thermostat - Operating Manual | PDF",1792712117,121]