[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"doc-seo-640867-105":3,"detail-sidebar-cat-0-en-105":80,"doc-detail-640867-en":130},{"code":4,"msg":5,"data":6},0,"ok",{"site_id":7,"language":8,"slug":9,"title":10,"keywords":11,"description":12,"schema_data":13,"social_meta":73,"head_meta":75,"extra_data":77,"updated_unix":79},105,"en","logic-3-owners-manual-industrial-duty-commercial-door-operator","Logic 3 Owner's Manual - Industrial Duty Commercial Door Operator","","Logic 3 Owner’s Manual for an industrial duty commercial door operator provides installation, adjustment, wiring, programming, maintenance, and troubleshooting guidance for professional installers. It explains the Maintenance Alert System™ with internal cycle counter and LED indications, describes radio receiver capabilities, and sets safety expectations including recommended safety devices and non-residential use. The manual includes safety warnings, carton inventory, wiring connections for power, ground, and control stations, programming options, diagnostic charts, repair parts, and 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/logic-3-owners-manual-industrial-duty-commercial-door-operator/640867/",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/logic-3-owners-manual-industrial-duty-commercial-door-operator/640867.png","ImageObject",300,407,{"name":42,"@type":43},"Lucas Martin","Person",{"url":19,"name":45,"@type":46},"DocShare","Organization","application/pdf","2026-10-26","2026-10-22",true,{"@type":52,"interactionType":53,"userInteractionCount":22},"InteractionCounter",{"@type":54},"ViewAction",{"@type":56,"mainEntity":57},"FAQPage",[58,64,68],{"name":59,"@type":60,"acceptedAnswer":61},"What is the Maintenance Alert System (MAS) and how does it work?","Question",{"text":62,"@type":63},"The Maintenance Alert System™ lets the installer set an internal Maintenance Cycle Counter. The MAS LED and an LED on the 3-button station signal when the set number of cycles/months is reached or when immediate service is required.","Answer",{"name":65,"@type":60,"acceptedAnswer":66},"Is the Logic 3 operator intended for residential use?",{"text":67,"@type":63},"No. The manual states it is NOT FOR RESIDENTIAL USE and is intended for professional installation only.",{"name":69,"@type":60,"acceptedAnswer":70},"What key safety instructions must be followed before installing, operating, or maintaining the operator?",{"text":71,"@type":63},"Before attempting installation, operation, or maintenance, read and fully understand the manual and follow all safety instructions. Do not attempt installation, repair, or service unless you are an Authorized Service Technician.","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},640867,1793051805,{"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":22,"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},8796095360427,"https://ap-avatar.wpscdn.com/davatar_994ba38a5ba835b3df7d355c54d3ed8d","Logic 3 O W N E R ’ S M A N U A L  \nT  \nINDUSTRIAL DUTY COMMERCIAL DOOR OPERATOR  \nThis Operator Features the Enhanced  \nINTENDED FOR PROFESSIONAL INSTALLATION ONLY  \nVisit www.LiftMaster.com to locate a professional installing dealer in your area.  \n2 YEAR WARRANTY  \nSerial \\# Box   Installation Date    \nThe Maintenance Alert System™ allows the installer to set an internal Maintenance Cycle Counter. The Logic 3 operator incorporates a self-diagnostic feature built into the (MAS) Maintenance Alert System LED. An LED on the 3-button station will signal when the set number of cycles/months is reached or when the operator requires immediate service.  \nRadio Receiver  \nBuilt on Board  \n315MHz  \nNOT FOR RESIDENTIAL USE  \nA SAFETY DEVICE IS HIGHLY RECOMMENDED  \nTABLE OF CONTENTS  \nSPECIFICATIONS  \nCarton Inventory .....................................3  \nOperator Dimensions ..................................3  \nOperator Specifications ................................4  \nPREPARATION  \nTrack Assembly ......................................5  \nPowerhead Attachment ................................5  \nTrolley Carriage/Chain Attachment ........................5  \nINSTALLATION  \nMount the Header Bracket ..............................6  \nMount the Operator ...................................6  \nHang the Operator ....................................7  \nStraight Arm Attachment ...............................7  \nEntrapment Protection Accessories .......................8  \nADJUSTMENT  \nLimit Switch Adjustment ...............................8  \nEmergency Disconnect System .........................10  \nBrake Adjustment ...................................11  \nClutch Adjustment and Auxiliary Reversal System ..........11  \nPOWER & GROUND WIRING  \nSafety Warnings ....................................12  \nPower Wiring Connections ............................12  \nGround Wiring Connections ...........................12  \nCONTROL STATION WIRING & INSTALLATION  \nControl Wiring Connections ...........................13  \nExternal Radio Wiring Connections ......................13  \nMounting Instructions ................................13  \nDIAGRAMS  \nStandard Power & Control Connection Diagrams ...........14  \n1 Phase Wiring Diagram ..............................15  \n3 Phase Wiring Diagram ..............................16  \nLogic Board ........................................17  \nPROGRAMMING  \nLogic Control Pushbuttons ............................18  \nDetermine and Set Wiring Type .........................18  \nFailsafe Wiring Types .................................19  \nSelf-Monitoring Safety Device Options ...................19  \nProgramming Remotes ............................20-21  \nMaintenance Alert System (MAS) .......................22  \nMid Stop ..........................................23  \nTimer To Close ...................................23-24  \nCar Dealer Mode ....................................24  \nAUTOMATICALLY LEARNED PROGRAMMING  \nAuxiliary Reversal System/RPM Sensor ...................25  \nMaximum Run Timer (MRT) ...........................25  \nOPTIONAL PROGRAMMING  \nRed/Green Warning Light Card ..........................26  \nResetting Factory Defaults-Clearing Memory ..............26  \nMAINTENANCE  \nMaintenance Shedule .................................27  \nLife of Operator Feature ...............................27  \nHow to Order Parts ..................................27  \nTROUBLESHOOTING  \nDiagnostic Chart .....................................28  \nTroubleshooting Guide ................................29  \nTroubleshooting Error Codes ...........................30  \nTroubleshooting Radio Functionality .....................31  \nREPAIR PARTS  \nElectrical Box ....................................32-33  \nRepair Parts Kits ..................................34-35  \nControl Connection Diagram ...........................36  \nWARNING  \nMechanical  \nWARNING  \nElectrical  \nCAUTION  \nWhen you see these Safety Symbols and Signal Words on the following pages","cbCaiflKjPxtao3U","https://ap.wps.com/l/cbCaiflKjPxtao3U","pdf",4567576,36,"English","# Carton Inventory\n# Operator Dimensions\n# Operator Specifications\n# Preparation\n## Track Assembly\n## Powerhead Attachment\n## Trolley Carriage/Chain Attachment\n# Installation\n## Mount the Header Bracket\n## Mount the Operator\n## Hang the Operator\n## Straight Arm Attachment\n## Entrapment Protection Accessories\n# Adjustment\n## Limit Switch Adjustment\n## Emergency Disconnect System\n## Brake Adjustment\n## Clutch Adjustment and Auxiliary Reversal System\n# Power & Ground Wiring\n## Safety Warnings\n## Power Wiring Connections\n## Ground Wiring Connections\n# Control Station Wiring & Installation\n## Control Wiring Connections\n## External Radio Wiring Connections\n## Mounting Instructions\n# Diagrams\n## Standard Power & Control Connection Diagrams\n## Logic Board\n# Programming\n## Logic Control Pushbuttons\n## Determine and Set Wiring Type\n## Failsafe Wiring Types\n## Maintenance Alert System (MAS)\n## Mid Stop\n## Timer To Close\n## Car Dealer Mode\n# Automatically Learned Programming\n## Auxiliary Reversal System/RPM Sensor\n## Maximum Run Timer (MRT)\n# Optional Programming\n## Red/Green Warning Light Card\n## Resetting Factory Defaults-Clearing Memory\n# Maintenance\n## Maintenance Schedule\n## Life of Operator Feature\n## How to Order Parts\n# Troubleshooting\n## Diagnostic Chart\n## Troubleshooting Guide\n## Troubleshooting Error Codes\n## Troubleshooting Radio Functionality\n# Repair Parts","[{\"question\":\"What is the Maintenance Alert System (MAS) and how does it work?\",\"answer\":\"The Maintenance Alert System™ lets the installer set an internal Maintenance Cycle Counter. The MAS LED and an LED on the 3-button station signal when the set number of cycles/months is reached or when immediate service is required.\"},{\"question\":\"Is the Logic 3 operator intended for residential use?\",\"answer\":\"No. The manual states it is NOT FOR RESIDENTIAL USE and is intended for professional installation only.\"},{\"question\":\"What key safety instructions must be followed before installing, operating, or maintaining the operator?\",\"answer\":\"Before attempting installation, operation, or maintenance, read and fully understand the manual and follow all safety instructions. Do not attempt installation, repair, or service unless you are an Authorized Service Technician.\"}]","Logic 3 Owner's Manual - Industrial Duty Commercial Door Operator | PDF",1792711970,91]