Tonnage refers to the cooling capacity of an air conditioning unit. You may want to learn about how to determine the correct size of unit for your home. On the physical product itself, the model number is most commonly found on the front, rear or bottom of the product or in the manual pdf.When choosing an air conditioning unit for your home, it is important to choose the right size. The Trane Model Identification Number of a product is often featured prominently on the packaging of said product. The last letter is the unit part’s identifier code.Position fourteen stands for minor design modifications.These numbers represent any secondary function. The position eleven, twelve and thirteen.Number ten indicates the power supply voltage.Click here for more information on how to know the age of trane from serial number. Any type of major modifications done to the system since it was originally manufactured explained here. How many BTUs the unit produces in thousands. The seven and eight number indicate tonnage.Zero indicates the system’s connections are brazed or soldered. The fifth number is for unit’s Seasonal Energy Efficiency Ratio.Z = leadership – 2 stage, X = leadership, R = replacement/retail, B = basic, A = light commercial. The third letter equals the product family.
W stands for split heat pump and T stands for split cooling. The next 3 letter represents the product type.2 stands for R-22 and 4 stands for R410A. This number represents the type of refrigerant the unit uses. First letter: The model number starts with 4.Trane uses their model number to identify its use in the HVAC system. Each segment will have assigned a number of letters and digits. Trane model number nomenclature split into several segments. 0 = Service digit (they change these as they do “improvements” on thier stuff).B = Minor design sequence (means nothing other than to the facotory).C = Major development sequence C is standard system, E would be VS motor, P would be high eff system.E = Electric furnace (like they said, heat strips are added in the field, could be anything from 10kw to 25 kw).TW = split component heat pump compatable.The Trane model number is #TWE030C140B0, let’s try to decode this model number: Trane RTU model #SXHEC9040E76AD8D3D01GGNRTXħ= 100% Exhaust w/ statitrac & 15 hp motorġ= UL Approval Trane Tonnage from Model Number Trane Model Number Nomenclature Examples of Trane Model NumberĬ: Downflow Economizer and Oversize MotorĪ: Service Digit (i don’t know exactly what this means)
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