Here are links to some manuals for the XB80 and there is some overlapping/duplicate information in them, and some have other info as wewll:



http://www.bayareaservice.com/wp-content/uploads/2011/12/XB80-Service-Facts.pdf

http://www.aireng.com/clientuploads/Trane_Data_Guides/Furnace/tud_r9v.pdf

http://www.aireng.com/clientuploads/Trane_Data_Guides/Furnace/tud_r9v.pdf

18 CD24D1 5[1] Trane XV80 Installation Guide pdf free ebook download from www.munchsupply.com (http://ebookbrowse.com/18-cd24d1-5-1-trane-xv80-installation-guide-pdf-d366683508)

http://www.hvacprotech.org/toc/FileShareEarly/TUD_GasFurnaceOperation.pdf

Document Details | XB80 TRANE USER MANUAL (http://acrepairshop.com/doc_details/32-xb80-trane-user-manual.html#.UOSwjKzVprr)

XB80 - Gas Furnace | TRANE (http://www.trane.com/residential/products/gas-furnaces/xb80-gas-furnaces)