[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"detail-sidebar-cat-0-en-105":3,"doc-seo-652687-105":59,"doc-detail-652687-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","condensing-gas-furnaces-troubleshooting-and-component-service-manual","Condensing Gas Furnaces - Troubleshooting and Component Service Manual","","Condensing gas furnace service manual detailing troubleshooting charts, normal operation, and step-by-step maintenance for post-1988 manufactured units. Covers control modules and burner systems, including Honeywell S8600M and White Rodgers 50E/F47 troubleshooting procedures, as well as ignition components and thermostat operation. Provides electrical supply and grounding guidance, temperature rise checks, blower removal and speed tap adjustments, gas valve and manifold servicing, pressure and switch diagnostics, and heat exchanger cleaning and replacement for multiple NUGK and NUGS configurations.",{"@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/condensing-gas-furnaces-troubleshooting-and-component-service-manual/652687/",{"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/condensing-gas-furnaces-troubleshooting-and-component-service-manual/652687.png","ImageObject",300,407,{"name":92,"@type":93},"River Wang","Person",{"url":74,"name":95,"@type":96},"DocShare","Organization","application/pdf","2026-10-30","2026-10-24",true,{"@type":102,"interactionType":103,"userInteractionCount":52},"InteractionCounter",{"@type":104},"ViewAction",{"@type":106,"mainEntity":107},"FAQPage",[108,114,118],{"name":109,"@type":110,"acceptedAnswer":111},"What models and production period does this manual support for condensing gas furnaces?","Question",{"text":112,"@type":113},"The manual supports condensing gas furnaces manufactured after 1988 and includes troubleshooting and service coverage for NUGK and NUGS series configurations.","Answer",{"name":115,"@type":110,"acceptedAnswer":116},"How does the manual guide troubleshooting of furnace controls and modules?",{"text":117,"@type":113},"It provides trouble shooting charts for the overall furnace, plus specific module troubleshooting charts such as Honeywell S8600M and White Rodgers 50E/F47, along with normal operation troubleshooting sections for NUGK and NUGS.",{"name":119,"@type":110,"acceptedAnswer":120},"What maintenance tasks are included for blower operation, gas valves, and heat exchangers?",{"text":121,"@type":113},"The manual includes blower removal/installation, blower speed tap adjustment, gas valve and manifold removal with inspections and reassembly, pressure and pressure-switch checks, and cleaning or replacing primary/secondary heat exchangers across multiple model types.","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},652687,1792923771,{"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":52,"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},1099514067438,"https://ap-avatar.wpscdn.com/avatar/100002539ee87300030?x-image-process=image/resize,m_fixed,w_180,h_180&k=1780474512215547542","| NUGK  \u003Cbr>NULS  \u003Cbr>NULK  \u003Cbr>NDGK  \u003Cbr>NUGS  \u003Cbr>NDLK   |\n| --- |\n\nJ  \nJ  \nCONDENSING GASFURNACES  \nThis manual supports condensing gas furnaces manufactured after 1988.  \nManufactured by:  \nInter-City ProductsCorporationLavergne,TN USA 37086Brantford,ONT.CANADA N3T 5P4  \n)·  \nTable of Contents  \nTrouble Shooting Charts……………………………………………………………………………………………………………1  \nFurnace Troubleshooting Chart …………………………………………………………………………………………………………………1  \nHoneywell S8600M Module Troubleshooting Chart…………………………………………………………………………………………2  \nWhite Rodgers 50E/F47 Module Chart1…………………………………………………………………………………………………3  \nWhite Rodgers 50E/F47 Module Chart2 ………………………………………………………………………………………………………………4  \nWhite Rodgers 50E/F47 Chart3 …………………………………………………………………………………………………………………5  \nHamilton Standard Infermittent Pilot Ignition System …………………………………………………………………………………………6  \nGas and Electrical Supply………………………………………………………………………………………………………………7  \nNatural Gas…………………………………………………………………………………………………………………………………………………………………7  \nL.P.Gas ……………………………………………………………………………………………………………………………………………………………………7  \nElectrical Power to Furnace………………………………………………………………………………………………………………………………………7  \nFurnace Electrical Ground…………………………………………………………………………………………………………………………………………7  \nThermostats ………………………………………………………………………………………………………………………………………………………8  \nLOCATION…………………………………………………………………………………………………………………………………………………8  \nCHECKOUr……………………………………………………………………………………………………………………………………………………………8  \nHeat Anticipators ……………………………………………………………………………………………………………………………………10  \nHEATANTICIPATORS …………………………………………………………………………………………………………………………10  \nTransformer……………………………………………………………………………………………………………………………………………………12  \nVoltage to Control Module(With Exhaust Blower Operating)…………………………………………………………………12  \nTemperature Rise………………………………………………………………………………………………………………………………13  \nCHECK TEMPERATURE RISE ……………………………………………………………………………………………………………………13  \nBlower Removal ………………………………………………………………………………………………………………………………………14  \nUpflow Models Blower Assembly Removal……………………………………………………………………………………………I4  \nCounterflow Models: Blower Assembly Removal……………………………………………………………………………15  \nBlower Wheel Removal(AL)………………………………………………………………………………………………………………………15  \nBlower WheelInstallation………………………………………………………………………………………………………………………………16  \nBlower Speed Taps……………………………………………………………………………………………………………………………………16  \nBurners…………………………………………………………………………………………………………………………………………………………17  \nNUGK Series……………………………………………………………………………………………………………………………………………………………I7  \nGas Valve and Manifold Removal…………………………………………………………………………………………………………17  \nRemove Gas Valve and Manifold Assembly…………………………………………………………………………………………18  \nInspection…………………………………………………………………………………………………………………………………………18  \nReassembly;………………………………………………………………………………………………………19  \n…--NUGS Series…………………………………………………:……………19  \nGas Valve and Manifold Removal ………………………………………………………………………………………………………………19  \nPrimary Air Adjustment(ALL)……………………………………………………………………………………………………………21  \n-Adjustment-Procedures(NUGK·Shown)-:……………………………………21  \nAdjustment (Continued)………………………………………………………………………………………………………………………22  \nTable of Contents (Cont.)  \nFan and Limit Controls………………………………………………………………………………………………………………………………………23  \nADJUSTMENT ……………………………………………………………………………………………………………………………………………………23  \nFan and Limit Control(Honeywell-TimedOn,Temperature Terminated)……………………………………………………23  \nBURNED OUT HEATER ELEMENT ………………………………………………………………………………………………………………24  \nLIMIT CONTROLCHECK …………………………………………………………………………………………………………………………………24  \nFan and Limit Control(Cam-Stat Timed-on Temperature Terminated)………………………………………………………25  \nHOw CONTROLWORKS …………………………………………………………………………………………………………………………………25  \nElectronic Fan Control(Timed-on,Timed Off)…………………………………………………………………………………………………26  \nHow Control Works…………………………………………………………………………………………………………………………………………………26  \nADJUST BLOWER ON/OFF…………………………………………………………………………………………………………………………………26  \nChecking for Defective Control………………………………………………………………………………………………………………………………27  \nLimit Switch……………………………………………………","cbCaijijY8O9A5j0","https://ap.wps.com/l/cbCaijijY8O9A5j0","pdf",4135984,43,"English","# Trouble Shooting Charts\n## Furnace Troubleshooting Chart\n## Honeywell S8600M Module Troubleshooting Chart\n## White Rodgers 50E/F47 Module Chart1\n## White Rodgers 50E/F47 Module Chart2\n## White Rodgers 50E/F47 Chart3\n## Hamilton Standard Intermittent Pilot Ignition System\n# Gas and Electrical Supply\n## Natural Gas\n## L.P. Gas\n## Electrical Power to Furnace\n## Furnace Electrical Ground\n## Thermostats\n# Heat Anticipators\n# Transformer and Control Measurements\n## Voltage to Control Module (With Exhaust Blower Operating)\n## Temperature Rise\n## Check Temperature Rise\n# Blower Removal and Adjustment\n## Upflow Models Blower Assembly Removal\n## Counterflow Models: Blower Assembly Removal\n## Blower Wheel Removal\n## Blower Wheel Installation\n## Blower Speed Taps\n# Burners and Gas Valves\n## NUGK Series\n## Gas Valve and Manifold Removal\n## Inspection and Reassembly\n## NUGS Series\n## Primary Air Adjustment\n## Adjustment Procedures (NUGK shown)\n## Adjustment (Continued)\n# Fan and Limit Controls\n## Adjustment\n## Fan and Limit Control (Honeywell Timed On)\n## Burned Out Heater Element\n## Limit Control Check\n## Fan and Limit Control (Cam-Stat Timed On)\n## How Control Works\n## Electronic Fan Control (Timed On, Timed Off)\n## Adjust Blower On/Off\n## Checking for Defective Control\n## Limit Switches\n# Gas Valves and Pressure Checks\n## White-Rodgers 36E36\n## Honeywell VR8204A Gas Valves\n## Checking Gas Pressure (Natural Gas)\n## Checking Gas Pressure to Valve (LPGas)\n## Checking Gas Pressure (Direct Vent)\n## Pressure Switches\n## Exhaust Blower Pressure Switch\n# Normal Operation and Heat Exchangers\n## NUGK Normal Operation\n## NUGS Normal Operation\n## NUGK & NUGS\n## Heat Exchangers\n## Cleaning and/or Replacing Heat Exchangers\n## Secondary Heat Exchanger (Upflow)\n## Primary Heat Exchanger Removal/Replacement (Upflow)\n## Direct Vent Models Only\n## Primary Heat Exchanger Removal/Replacement (Counterflow)\n## Secondary Heat Exchanger Removal/Replacement (Counterflow)\n# Drain Trap Assembly\n# Technical Service Data Index","[{\"question\":\"What models and production period does this manual support for condensing gas furnaces?\",\"answer\":\"The manual supports condensing gas furnaces manufactured after 1988 and includes troubleshooting and service coverage for NUGK and NUGS series configurations.\"},{\"question\":\"How does the manual guide troubleshooting of furnace controls and modules?\",\"answer\":\"It provides trouble shooting charts for the overall furnace, plus specific module troubleshooting charts such as Honeywell S8600M and White Rodgers 50E/F47, along with normal operation troubleshooting sections for NUGK and NUGS.\"},{\"question\":\"What maintenance tasks are included for blower operation, gas valves, and heat exchangers?\",\"answer\":\"The manual includes blower removal/installation, blower speed tap adjustment, gas valve and manifold removal with inspections and reassembly, pressure and pressure-switch checks, and cleaning or replacing primary/secondary heat exchangers across multiple model types.\"}]","Condensing Gas Furnaces - Troubleshooting and Component Service Manual | PDF",1792881844,108]