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The manual covers compatibility limits, parts identification, installation placement cautions, transmitter/receiver mounting options, and detailed terminal wiring instructions for multiple GTO Access Systems and Mighty Mule control boards.",{"@graph":14,"@context":71},[15,34,54],{"@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/photoelectric-dual-beam-detector-owners-manual-r4222-gate-safety-beam-wiring-and-installation/664287/",4,{"url":32,"name":10,"@type":35,"image":36,"author":41,"headline":10,"publisher":44,"fileFormat":47,"inLanguage":8,"description":12,"dateModified":48,"datePublished":48,"encodingFormat":47,"isAccessibleForFree":49,"interactionStatistic":50},"DigitalDocument",{"url":37,"@type":38,"width":39,"height":40},"https://docshare.wps.com/thumbnails/photoelectric-dual-beam-detector-owners-manual-r4222-gate-safety-beam-wiring-and-installation/664287.png","ImageObject",300,407,{"name":42,"@type":43},"SundayMiles","Person",{"url":19,"name":45,"@type":46},"DocShare","Organization","application/pdf","2026-10-29",true,{"@type":51,"interactionType":52,"userInteractionCount":33},"InteractionCounter",{"@type":53},"ViewAction",{"@type":55,"mainEntity":56},"FAQPage",[57,63,67],{"name":58,"@type":59,"acceptedAnswer":60},"How does the R4222 dual beam detector affect gate operation during an obstruction?","Question",{"text":61,"@type":62},"When the beams detect a moving object, the detection causes the gate(s) to stop and reverse to the fully open position. If the beam remains obstructed, the gate(s) remain open.","Answer",{"name":64,"@type":59,"acceptedAnswer":65},"Is the R4222 detector compatible with solar powered gate operators?",{"text":66,"@type":62},"No. The manual states it is not compatible with solar powered gate operators, and it should not be used on systems charged with solar panels.",{"name":68,"@type":59,"acceptedAnswer":69},"What precautions should be followed when mounting the photo beams?",{"text":70,"@type":62},"Ensure the optical axis is never obstructed. Do not mount where obstructions are between the receiver and sender, where the surface is unstable, or where sunlight and headlights shine directly into the receiver.","https://schema.org",{"og:url":32,"og:type":73,"og:title":10,"og:site_name":45,"og:description":12},"article",{"robots":75,"canonical":32},"index,follow",{"doc_id":77,"site_id":7},664287,1793250143,{"code":4,"msg":80,"data":81},"success",[82,86,90,94,99,103,108,113,118,121,125],{"id":22,"doc_module":4,"doc_module_name":25,"category_name":83,"show_sort_weight":84,"slug":85},"Story & Novel",90,"story-novel",{"id":26,"doc_module":4,"doc_module_name":25,"category_name":87,"show_sort_weight":88,"slug":89},"Literature",80,"literature",{"id":33,"doc_module":4,"doc_module_name":25,"category_name":91,"show_sort_weight":92,"slug":93},"Exam",70,"exam",{"id":95,"doc_module":4,"doc_module_name":25,"category_name":96,"show_sort_weight":97,"slug":98},5,"Comic",60,"comic",{"id":100,"doc_module":4,"doc_module_name":25,"category_name":29,"show_sort_weight":101,"slug":102},6,50,"technology",{"id":104,"doc_module":4,"doc_module_name":25,"category_name":105,"show_sort_weight":106,"slug":107},7,"Healthcare",40,"healthcare",{"id":109,"doc_module":4,"doc_module_name":25,"category_name":110,"show_sort_weight":111,"slug":112},8,"Research & Report",30,"research-report",{"id":114,"doc_module":4,"doc_module_name":25,"category_name":115,"show_sort_weight":116,"slug":117},9,"Religion & Spirituality",20,"religion-spirituality",{"id":116,"doc_module":4,"doc_module_name":25,"category_name":119,"show_sort_weight":116,"slug":120},"World Cup","world-cup",{"id":122,"doc_module":4,"doc_module_name":25,"category_name":123,"show_sort_weight":122,"slug":124},10,"Lifestyle","lifestyle",{"id":126,"doc_module":4,"doc_module_name":25,"category_name":127,"show_sort_weight":95,"slug":128},19,"General","general",{"code":4,"msg":80,"data":130},{"doc_id":77,"user_id":131,"nickname":42,"user_avatar":132,"doc_module":4,"category_id":100,"category_name":29,"doc_title":10,"doc_description":12,"doc_content":133,"file_id":134,"file_url":135,"file_type":136,"file_size":137,"view_count":33,"is_deleted":4,"is_public":22,"is_downloadable":22,"audit_status":22,"page_count":122,"language":138,"language_code":8,"site_id":7,"html_lang":8,"table_of_contents":139,"faqs":140,"seo_title":141,"seo_description":12,"update_tm":78,"read_time":142},1099529839202,"https://ap-avatar.wpscdn.com/davatar_a8503ba1806abce46bf441b54a3ca4cd","PHOTOELECTRIC DUAL BEAM DETECTOR  \nOwners Manual  \nR4222  \nThe GTO Access Systems Photoelectric Dual Beam Detector uses dual beam and through-beam technology to reduce false detections when detecting obstructions. When the beams detect the presence of a moving object, the detection will cause the gate(s) to stop and reverse to the fully open position. As long as the beam is obstructed the gate(s) will remain open. Not compatible with solar powered gate operators.  \nFor use with all GTO Access Systems and Mighty Mule AC and DC powered gate operators.  \nPARTS DESCRIPTION  \nConnection Terminals  \nIndicator  Lights  \nVertical Alignment Screw  \nSight Hole   \nLens  \nSignal Level Test Points  \nTamper Switch  \nHorizontal Angle Adjustment Bracket  \nCover Locking  \nScrew  \nFor more information on GTO’s full [line of automatic gate openers and access controls visit our website at www.gtoaccess.com](line of automatic gate openers and access controls visit our website at www.gtoaccess.com)  \nGTO • 3121 Hartsfield Road • Tallahassee, Florida 32303 •(800) 543-4283 • [www.gtoaccess.com](www.gtoaccess.com)  \nTechnical Service (800) 543-1236  \nR4222 Rev. 08/02/10  \nPrinted in China for Gates That Open, LLC  \n©2009 Gates That Open, LLC  \nInstallation Overview    \nDiagram illustrates correct placement of photo beams in relation to the gate.  \nInterior placement   \nof Photo Beams  \n(placed outside of path of gate)  \nMounting Cautions ~~  ~~Be sure that the optical axis is never obstructed. (The optical axis is both the vertical and horizontal range of detection, or beam, between the transmitter and receiver)  \nDo not mount the detector in the following conditions:  \nWhere obstructions (plants, fences, etc.) are between the receiver and the sender.  \nWhere the mounting surface is unstable.  \nWhere sunlight and headlights shine directly into the front of the receiver.  \nTransmitter Receiver  \nReceiver Transmitter  \nWhen using more than one set make sure to alternate the transmittersand detectors as above.  \nTransmitter Receiver  \nTransmitter Receiver  \nWall Mounting    \n1. Remove Photo Beam cover by loosening the  \ncover holding screw, but  \nDO NOT REMOVE THE SCREW ALL THE WAY.  \n2. Pull the wire through the wiring hole at the top of the unit, from back to front.  \n3. Remove the rubber knockout and use the screw holes to mount the unit.  \nSCREW HOLE  \nSCREW HOLE  \n4. Mount the Photo Beam on the wall while running the wire into the wiring location in the wall.  \nPole Mounting   1. Remove the Photo Beam cover (as shown in step 1 above) .  \n2. Feed the wire through the mounting pole.  \n3. Using the Mounting Plate and Bracket secure the Photo Beam to the mounting pole.  \nFeed Wire  \nBack to Back Installation  \n(Refer to the figure above)  \nConnecting Photo Beams to GTO Access Systems  \nand Mighty Mule Control Boards   \nIMPORTANT: DO NOT use Photo Beams on systems charged with solar panels.  \nMake sure the power switch to the opener is turned off before connecting safety device wiring to the terminal blocks. Unplugging the transformer does not turn power to the opener OFF.  \nWiring Precautions ~~ ~~  \n• Wire with 16awg minimum (RB509)  \n• 300 ft (91.4m) max length  \n• Be sure to capture the wire ends under the wire clamp plates.  \n• Avoid frayed ends on wires that might produce a short circuit.  \n• Be careful not to overtighten the screws as this may strip the threads in the plastic  \n\n| Terminal Wire Block\u003Cbr>\u003Cbr>\u003Cbr>| Terminal | Terminal |\n| --- | --- | --- |\n|  | \u003Cbr>Block\u003Cbr>| \u003Cbr>\u003Cbr>\u003Cbr>\u003Cbr>Wire\u003Cbr>\u003Cbr>\u003Cbr>\u003Cbr>Wrong\u003Cbr>\u003Cbr>\u003Cbr>Block\u003Cbr>|\n\nTerminal Strip Identification    \nThe diagrams below represent the terminal strips on the receiver and transmitter and can be used for reference for connections.  \n\n| RECEIVER\u003Cbr>Wiring Terminals\u003Cbr>|  |  |  | TRANSMITTER\u003Cbr>Wiring Terminals\u003Cbr>\u003Cbr>1 2  6 7\u003Cbr>+ –\u003Cbr>POWER TAMPER\u003Cbr>|\n| --- | --- | --- | --- | --- |\n| 1 2\u003Cbr>+ – POWER\u003Cbr>| | 3 4 5\u003Cbr>\u003Cbr>\u003Cbr>\u003Cbr>ALARM |  6 7\u003Cbr>TAMPER\u003Cbr>|  |\n\nWiring the Photo Bea","cbCaiuZbUH7id2yw","https://ap.wps.com/l/cbCaiuZbUH7id2yw","pdf",738881,"English","# Installation Overview\n## Parts Description\n## Mounting Cautions\n## Wall Mounting\n## Pole Mounting\n## Back to Back Installation\n## Connecting Photo Beams and Wiring Precautions\n## Terminal Strip Identification\n## Wiring to Supported Control Boards","[{\"question\":\"How does the R4222 dual beam detector affect gate operation during an obstruction?\",\"answer\":\"When the beams detect a moving object, the detection causes the gate(s) to stop and reverse to the fully open position. If the beam remains obstructed, the gate(s) remain open.\"},{\"question\":\"Is the R4222 detector compatible with solar powered gate operators?\",\"answer\":\"No. The manual states it is not compatible with solar powered gate operators, and it should not be used on systems charged with solar panels.\"},{\"question\":\"What precautions should be followed when mounting the photo beams?\",\"answer\":\"Ensure the optical axis is never obstructed. Do not mount where obstructions are between the receiver and sender, where the surface is unstable, or where sunlight and headlights shine directly into the receiver.\"}]","PHOTOELECTRIC DUAL BEAM DETECTOR - Owners Manual - R4222 - Gate safety beam wiring and installation | PDF",25]