Midea air conditioner KFR stands for heat pump split air conditioner, 35 stands for refrigeration capacity 1.5 horsepower, g stands for hanging up, w stands for external machine, BP2 stands for DC frequency conversion, d stands for electric auxiliary heating, N 1 stands for environmental protection refrigerant, y stands for remote control, e stands for series connection, and (2) stands for energy efficiency level 2. Popularization of related knowledge: Midea KFR-35GW/BP2N 1Y-E is a wall-mounted air conditioner produced by Midea Company. In order to facilitate identification, the letters of air-conditioning models are generally fixed. 1, indicating the product code (Midea air conditioner is indicated by the letter K). 2. Indicates the climate type (generally T 1 type, the maximum temperature of the climate environment of T 1 type is 43 degrees, and the code of T 1 type is omitted). 3. Code of structural form (Midea air conditioner can be divided into integral type and split type according to structural form, and integral Midea air conditioner can be divided into window type and mobile type, with code names of split type -F, window type -C and mobile type -Y respectively). 4. Function code (Midea air conditioners are mainly divided into single cooling type, heat pump type and electric heating type according to their functions, and the single cooling type code is omitted, and the heat pump type and electric heating type codes are R and D respectively). 5, specification code (rated cooling capacity, expressed in Arabic numerals, 20 means 2000W cooling capacity. 6. Integral structure classification code or split indoor unit structure classification code (indoor unit structure is divided into ceiling type, wall type, floor type, patio type, embedded type, etc. Their codes are d, g, l, t, q, etc. ) .7. Structure code of outdoor unit (outdoor unit code is W). 8. Factory design serial numbers and special function codes are allowed to be expressed in capital letters or Arabic numerals.