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Provides safety warnings and emphasizes that only qualified heating installers or service technicians may perform installation. Covers required steps in order, hazard definitions, and reference materials including the FTXL Service Manual. Includes detailed sections on boiler location, venting and combustion air, sizing and materials, sidewall and vertical direct venting, hydronic piping, gas connections, field wiring, condensate disposal, startup procedures, operating information, maintenance, and supporting diagrams.",{"@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/ftxl-i-o-installation-operation-manual-models-400-500-600-725-850/653738/",{"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/ftxl-i-o-installation-operation-manual-models-400-500-600-725-850/653738.png","ImageObject",300,407,{"name":92,"@type":93},"Rizky","Person",{"url":74,"name":95,"@type":96},"DocShare","Organization","application/pdf","2026-10-30","2026-10-25",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},"Who is allowed to use and follow this manual for installation?","Question",{"text":112,"@type":113},"The manual must only be used by a qualified heating installer or service technician. 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Read all instructions, including this manual and the FTXL Service Manual, before installing. Perform steps in the order given. Failure to comply could result in severe personal injury, death, or substantial property damage.  \nSave this manual for future reference.  \nFTXL-I-O_ 100059358_2000005000_Rev AC  \nContents  \nHAZARD DEFINITIONS .................................................. 2  \nPLEASE READ BEFORE PROCEEDING ..................... 3  \nTHE FTXL -- HOW IT WORKS .................................... 4-5  \nRATINGS .......................................................................... 6  \n1. DETERMINE BOILER LOCATION  \nProvide Air Openings to Room .......................................... 9  \nFlooring and Foundation ................................................... 9  \nResidential Garage Installation .......................................... 9  \nVent and Air Piping ............................................................ 9  \nPrevent Combustion Air Contamination ............................. 9  \nCorrosive Contaminants and Sources ............................. 10  \nUsing an Existing Vent System to Install a New Boiler ... 10  \nRemoving a Boiler from Existing Common Vent.............. 11  \n2. PREPARE BOILER  \nRemove Boiler from Wood Pallet ..................................... 14  \nGas Conversions ......................................................... 14-15  \nModel 400-500.......................................................... 14  \nModels 600-850 ........................................................ 15  \n3. GENERAL VENTING  \nDirect Venting Options ..................................................... 16  \nInstall Vent and Combustion Air Piping ........................... 17  \nRequirements for Installation in Canada .......................... 18  \nSizing ............................................................................... 18  \nMin./Max. Combustion Air & Vent Piping Lengths ............ 18  \nMaterials ............................................................................ 18  \nOptional Room Air ............................................................ 19  \nPVC/CPVC .................................................................. 20-21  \nPolypropylene................................................................... 22  \nStainless Steel Vent ......................................................... 23  \n4. SIDEWALL DIRECT VENTING  \nVent/Air Termination-Sidewall................................... 24-27  \nDetermine Location................................................ 24-26  \nPrepare Wall Penetrations..................................... 26-27  \nMultiple Vent/Air Terminations ......................................... 27  \nSidewall Termination-Optional Concentric Vent ....... 28-30  \n5. VERTICAL DIRECT VENTING  \nVent/Air Termination-Vertical .................................... 31-32  \nDetermine Location..................................................... 31  \nPrepare Roof Penetrations ......................................... 32  \nMultiple Vent/Air Terminations ......................................... 32  \nVertical Termination-Optional Concentric Vent......... 33-34  \nAlternate Vertical Concentric Venting ......................... 35-36  \n6. HYDRONIC PIPING  \nSystem Water Piping Methods......................................... 37  \nLow Water Cutoff Device ................................................. 37  \nChilled Water System....................................................... 37  \nFreeze Protection Fluids .................................................. 37  \nGeneral Piping Information .............................................. 37  \nRelief Valve Installation ................................................... 38  \nNear Boiler Piping Components....................................... 39  \nCirculator Sizing .....","cbCaiga8NNXQJ4TH","https://ap.wps.com/l/cbCaiga8NNXQJ4TH","pdf",49009589,84,"English","# HAZARD DEFINITIONS\n# PLEASE READ BEFORE PROCEEDING\n# THE FTXL -- HOW IT WORKS\n# RATINGS\n## 1. DETERMINE BOILER LOCATION\n## 2. PREPARE BOILER\n## 3. GENERAL VENTING\n## 4. SIDEWALL DIRECT VENTING\n## 5. VERTICAL DIRECT VENTING\n## 6. HYDRONIC PIPING\n## 7. GAS CONNECTIONS\n## 8. FIELD WIRING\n## 9. CONDENSATE DISPOSAL\n## 10. STARTUP\n## 11. OPERATING INFORMATION\n## 12. MAINTENANCE\n## 13. DIAGRAMS","[{\"question\":\"Who is allowed to use and follow this manual for installation?\",\"answer\":\"The manual must only be used by a qualified heating installer or service technician. All instructions must be read before installing.\"},{\"question\":\"What is the manual’s required approach for installation steps?\",\"answer\":\"Steps must be performed in the order given. Failure to comply can result in severe personal injury, death, or substantial property damage.\"},{\"question\":\"Which major topics are covered in the manual beyond installation basics?\",\"answer\":\"The manual covers boiler location, venting and combustion air, sidewall and vertical direct venting, hydronic piping, gas connections, field wiring, condensate disposal, startup, operating information, maintenance, and diagrams.\"}]","FTXL-I-O - Installation & Operation Manual Models 400-500-600-725-850 | PDF",1792898169,212]