As far as practical, close all building doors and windows and all doors between the space in which the appliance(s) connected to the venting system are located and other deficiencies which could cause an unsafe condition. Number ten indicates the power supply voltage. Air Conditioner, Furnace user manuals, operating guides & specifications (Trane does not make an oil furnace in the XV90 line, although it does in its XV80 line.) The nine letter represents the age. Some sources report the average lifespan of a gas furnace to be only 15 years. Replaced a failed ignitor and had to clean the flame sensor a few times with some steel wool but now after the first time the heat was called for this season, the unit is shutting down after 5-10 min of use. Click here for more information on how to know the age of trane from serial number. Unfortunately, the user manual of the Trane XR90 furnace offers no explanation of what the blinking light means that can be seen behind a small hole in the bottom front panel of this high-efficiency gas furnace. The XV90 was Trane’s top-of-the-line condensing gas warm-air furnace until it was discontinued in 2008. If you’re thinking that you only have to change your filter once a year, you may well be shortening the life of your furnace.Actually, you should check your filter monthly and often change it monthly, depending on the type of filter you use. The codes are explained on a wiring diagram that is glued to the back of the panel. Red LED was blinking 4 times. View & download of more than 5227 Trane PDF user manuals, service manuals, operating guides. Trane Commercial Parts. 4. Estimates for the average lifespan of a gas furnace vary widely. Called a technician and he tested the unit for an hour. The furnace TRANE XE90 (also 12 years old) was working fine for a week then the heat stopped (cool air blowing out only). Trane XE90 High Limit after 5 min of use Had a few hiccups with this system but was working fine last winter. No matter the age or price of your HVAC unit, it’s going to make noise. Any type of major modifications done to the system since it was originally manufactured explained here. Read more › >