[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"detail-sidebar-cat-0-en-105":3,"doc-seo-608430-105":59,"doc-detail-608430-en":130},{"code":4,"msg":5,"data":6},0,"success",[7,13,18,23,28,33,38,43,48,51,55],{"id":8,"doc_module":4,"doc_module_name":9,"category_name":10,"show_sort_weight":11,"slug":12},1,"Document","Story & Novel",90,"story-novel",{"id":14,"doc_module":4,"doc_module_name":9,"category_name":15,"show_sort_weight":16,"slug":17},2,"Literature",80,"literature",{"id":19,"doc_module":4,"doc_module_name":9,"category_name":20,"show_sort_weight":21,"slug":22},4,"Exam",70,"exam",{"id":24,"doc_module":4,"doc_module_name":9,"category_name":25,"show_sort_weight":26,"slug":27},5,"Comic",60,"comic",{"id":29,"doc_module":4,"doc_module_name":9,"category_name":30,"show_sort_weight":31,"slug":32},6,"Technology",50,"technology",{"id":34,"doc_module":4,"doc_module_name":9,"category_name":35,"show_sort_weight":36,"slug":37},7,"Healthcare",40,"healthcare",{"id":39,"doc_module":4,"doc_module_name":9,"category_name":40,"show_sort_weight":41,"slug":42},8,"Research & Report",30,"research-report",{"id":44,"doc_module":4,"doc_module_name":9,"category_name":45,"show_sort_weight":46,"slug":47},9,"Religion & Spirituality",20,"religion-spirituality",{"id":46,"doc_module":4,"doc_module_name":9,"category_name":49,"show_sort_weight":46,"slug":50},"World Cup","world-cup",{"id":52,"doc_module":4,"doc_module_name":9,"category_name":53,"show_sort_weight":52,"slug":54},10,"Lifestyle","lifestyle",{"id":56,"doc_module":4,"doc_module_name":9,"category_name":57,"show_sort_weight":24,"slug":58},19,"General","general",{"code":4,"msg":60,"data":61},"ok",{"site_id":62,"language":63,"slug":64,"title":65,"keywords":66,"description":67,"schema_data":68,"social_meta":123,"head_meta":125,"extra_data":127,"updated_unix":129},105,"en","lennox-core-control-system-unit-controller-application-guide-installation-and-service-safety","LENNOX CORE CONTROL SYSTEM - Unit Controller Application Guide - Installation and Service Safety","","Installation and service safety requirements for the Lennox CORE Control System unit controller are presented, emphasizing that improper installation, adjustment, alteration, service, or maintenance may cause property damage, personal injury, or loss of life. Guidance covers CORE and wireless controller functionality, including connections, inputs/outputs, app operations, room sensor modes, alarms, data, service, and settings, as well as operational topics such as protection delays, sensor options, outdoor fan control, dehumidification, economizer, DCV, and related control behaviors.",{"@graph":69,"@context":122},[70,84,105],{"@type":71,"itemListElement":72},"BreadcrumbList",[73,77,79,82],{"item":74,"name":75,"@type":76,"position":8},"https://docshare.wps.com","Home","ListItem",{"item":78,"name":9,"@type":76,"position":14},"https://docshare.wps.com/document/",{"item":80,"name":30,"@type":76,"position":81},"https://docshare.wps.com/document/technology/",3,{"item":83,"name":65,"@type":76,"position":19},"https://docshare.wps.com/document/lennox-core-control-system-unit-controller-application-guide-installation-and-service-safety/608430/",{"url":83,"name":65,"@type":85,"image":86,"author":91,"headline":65,"publisher":94,"fileFormat":97,"inLanguage":63,"description":67,"dateModified":98,"datePublished":99,"encodingFormat":97,"isAccessibleForFree":100,"interactionStatistic":101},"DigitalDocument",{"url":87,"@type":88,"width":89,"height":90},"https://docshare.wps.com/thumbnails/lennox-core-control-system-unit-controller-application-guide-installation-and-service-safety/608430.png","ImageObject",300,407,{"name":92,"@type":93},"AditGamingID","Person",{"url":74,"name":95,"@type":96},"DocShare","Organization","application/pdf","2026-10-26","2026-10-17",true,{"@type":102,"interactionType":103,"userInteractionCount":19},"InteractionCounter",{"@type":104},"ViewAction",{"@type":106,"mainEntity":107},"FAQPage",[108,114,118],{"name":109,"@type":110,"acceptedAnswer":111},"What are the safety risks if the Lennox CORE control system is improperly installed or maintained?","Question",{"text":112,"@type":113},"Improper installation, adjustment, alteration, service, or maintenance can cause property damage, personal injury, or loss of life.","Answer",{"name":115,"@type":110,"acceptedAnswer":116},"Who must perform installation and service for the system?",{"text":117,"@type":113},"Installation and service must be performed by a licensed professional HVAC installer (or equivalent) or a service agency.",{"name":119,"@type":110,"acceptedAnswer":120},"What functionality does the guide cover for the CORE and wireless controllers?",{"text":121,"@type":113},"The guide covers unit controller descriptions and wiring details, wireless controller connections and components, and CORE Service App operations including menus, room sensor modes, alarms, data, service, and settings.","https://schema.org",{"og:url":83,"og:type":124,"og:title":65,"og:site_name":95,"og:description":67},"article",{"robots":126,"canonical":83},"index,follow",{"doc_id":128,"site_id":62},608430,1792671129,{"code":4,"msg":5,"data":131},{"doc_id":128,"user_id":132,"nickname":92,"user_avatar":133,"doc_module":4,"category_id":29,"category_name":30,"doc_title":65,"doc_description":67,"doc_content":134,"file_id":135,"file_url":136,"file_type":137,"file_size":138,"view_count":19,"is_deleted":4,"is_public":8,"is_downloadable":8,"audit_status":8,"page_count":139,"language":140,"language_code":63,"site_id":62,"html_lang":63,"table_of_contents":141,"faqs":142,"seo_title":143,"seo_description":67,"update_tm":144,"read_time":145},962094249103,"https://ap-avatar.wpscdn.com/davatar_276721f389ce27ea32af1340a28f341c","LENNOX® CORE CONTROL SYSTEM (UNIT CONTROLLER) APPLICATION GUIDE  \n485115  \n4/2022  \n| WARNING |\n| --- |\n| Improper installation, adjustment, alteration, service or maintenance can cause property damage, personal injury or loss of life.\u003Cbr>Installation and service must be performed by a licensed professional HVAC installer (or equivalent) or service agency |\n\nTable of Contents  \n1. M4 Unit Controller Description ............................. 4  \n1.1. Unit Sizes .............................................................. 4  \n1.2. Add-on Controllers ................................................ 4  \n1.4. Lennox CORE Unit Controller-Connections, Inputs / Outputs, Jumpers, and LEDs Locations ............. 6  \n2. W4 Wireless Controller-Connections, Buttons and LEDs .................................................. 8  \n2.1. Wireless Gateway ................................................ 8  \n2.2. CORE Service App ............................................... 8  \n2.3. Wireless Sensor (21L07) ...................................... 8  \n2.4. Wireless Repeater (21L09) ................................... 9  \n2.5. Cloud Firmware Updates ...................................... 9  \n3. CORE Service App-Unit Operations ................. 10  \n3.1. CORE Service App Menu Selection Overview.... 10  \n3.2. System Overview-Room Sensor Mode ............. 10  \n3.3. Active Alarms .......................................................11  \n3.4. CORE Service App General Menu + User Preference ...........................................................11  \n3.5. CORE Service App RTU Menu ............................11  \n3.6. Data .................................................................... 21  \n3.7. Service ................................................................ 22  \n3.8. Settings ............................................................... 26  \n4. Main Controller Operations ................................. 28  \n4.1. Control Type-Thermostat .................................. 28  \n4.2. System Mode-Room Sensor ............................ 30  \n4.3. Room Sensor Primary Modes: ............................ 30  \n5. Unit Component Operation-Protection, Delays and Switches ............................................ 33  \n5.1. Compressor Protection and Delays .................... 33  \n5.2. Gas Units Burner Protection and Delays ........... 34  \n5.3. Miscellaneous Components ............................... 35  \n5.4. Gas Heat Operation—Gas Units ........................ 37  \n5.5. Electric Heat Operation ...................................... 37  \n6. Sensors ................................................................. 38  \n6.1. Temperature Sensors-Provided With Unit ........ 38  \n6.2. Room Sensor-Optional ..................................... 38  \n6.3. Relative Humidity Sensor-Optional ................... 38  \n6.4. Carbon Dioxide (Indoor Air Quality) SensorOptional............................................................... 39  \n6.5. Supply Static Pressure Sensor-Optional........... 39  \n6.6. Enthalpy Sensor-Optional ................................. 39  \n7. Outdoor Fan Operations during Various Ambient Conditions ............................................. 40  \n7.1. High Ambient Conditions..................................... 40  \n7.2. Normal Ambient Conditions ................................ 40  \n7.3. Low Ambient Conditions .................................... 40  \n7.4. Compressor / Fan Configurations ...................... 40  \n7.5. Low Ambient Outdoor Fan Control and Cycling.. 42  \n8. Dehumidification Operations .............................. 45  \n8.1. Humiditrol+ Dehumidification Operation—(Humiditrol Reheat) ............................................. 45  \n8.2. Third Party Digital Input to Control Dehumidification ................................................. 45  \n8.3. Selecting Minimum Low and Minimum High Damper Positions................................................ 46  \n9. Enhanced Dehumidification Operations ..","cbCaihDdkWrOqOYo","https://ap.wps.com/l/cbCaihDdkWrOqOYo","pdf",8635822,120,"English","# M4 Unit Controller Description\n## Unit Sizes\n## Add-on Controllers\n## Lennox CORE Unit Controller Connections, Inputs / Outputs, Jumpers, and LEDs Locations\n# W4 Wireless Controller\n## Wireless Gateway\n## CORE Service App\n## Wireless Sensor\n## Wireless Repeater\n## Cloud Firmware Updates\n# CORE Service App - Unit Operations\n## CORE Service App Menu Selection Overview\n## System Overview - Room Sensor Mode\n## Active Alarms\n## CORE Service App General Menu + User Preference\n## CORE Service App RTU Menu\n## Data\n## Service\n## Settings\n# Main Controller Operations\n## Control Type - Thermostat\n## System Mode - Room Sensor\n## Room Sensor Primary Modes\n# Unit Component Operation - Protection, Delays and Switches\n## Compressor Protection and Delays\n## Gas Units Burner Protection and Delays\n## Miscellaneous Components\n## Gas Heat Operation - Gas Units\n## Electric Heat Operation\n# Sensors\n## Temperature Sensors Provided With Unit\n## Room Sensor Optional\n## Relative Humidity Sensor Optional\n## Carbon Dioxide Sensor Optional\n## Supply Static Pressure Sensor Optional\n## Enthalpy Sensor Optional\n# Outdoor Fan Operations during Various Ambient Conditions\n## High Ambient Conditions\n## Normal Ambient Conditions\n## Low Ambient Conditions\n## Compressor / Fan Configurations\n## Low Ambient Outdoor Fan Control and Cycling\n# Dehumidification Operations\n## Humiditrol+ Dehumidification Operation (Humiditrol Reheat)\n## Third Party Digital Input to Control Dehumidification\n## Selecting Minimum Low and Minimum High Damper Positions\n# Enhanced Dehumidification Operations\n## Dehumidification in Wired Thermostat Mode\n## Enhanced Dehumidification in Room Sensor Mode\n## Enhanced Dehumidification with Relative Humidity Sensor\n## Enable or Disable Enhanced Dehumidification Mode\n# Power Exhaust Operations\n## Enabling Feature\n## Control\n## Operation Based on Various Options\n# Economizer Operations\n## General\n## Enabling Economizer and Settings\n## Damper Feedback Calibration\n## Damper Operation During Free Cooling\n## Free Cooling Compressor Lockout Mode and Low Ambient Set Point\n## Outdoor Air Suitable for Free Cooling\n## Enthalpy Set Point\n## Free Cooling Damper Maximum Position\n## Minimum Damper Position\n## Closing Damper and Calibration\n## Motorized Outdoor Air Damper\n## Economizer Checkout\n# Demand Control Ventilation (DCV) Operations\n## General\n## Default Operation\n## Maximum and Minimum DCV Damper Settings","[{\"question\":\"What are the safety risks if the Lennox CORE control system is improperly installed or maintained?\",\"answer\":\"Improper installation, adjustment, alteration, service, or maintenance can cause property damage, personal injury, or loss of life.\"},{\"question\":\"Who must perform installation and service for the system?\",\"answer\":\"Installation and service must be performed by a licensed professional HVAC installer (or equivalent) or a service agency.\"},{\"question\":\"What functionality does the guide cover for the CORE and wireless controllers?\",\"answer\":\"The guide covers unit controller descriptions and wiring details, wireless controller connections and components, and CORE Service App operations including menus, room sensor modes, alarms, data, service, and settings.\"}]","LENNOX CORE CONTROL SYSTEM - Unit Controller Application Guide - Installation and Service Safety | PDF",1792253620,302]