Commercial Air Conditioner Model: AP*****EAA AU*****EAA31.DESCRIPTION OF PRODUCTS & FEATURES1.1. Products code explanationClimate type: T1 (see table 1)Design number (A-G stands for fixed frequency type, R-Zstands for DC inverter frequency type)Product type: A stands for heat pump type, refrigerant is R22B stands for heat pump type, refrigerant is R407CE stands for heat pump type, refrigerant is R410aQ stands for cool only type, refrigerant is R410AOutlook appearanceProduct series: A stands for 1 to 1Applicable voltage: 2 stands for 220~230V/50Hz,4 stands for 220V/60HzˈN stand for 380~400VAC/50HzCooling / Heating capacity,18=18000BTU/hProduct type : “B” stands for cassette type, “C” stands forconvertible type, ”D” stands for duct, “S” stands for wallmounted type, ”Q” stands for chiller system, "E" stands forceiling concealed type, “U” stands for outdoor unitAir Conditioner1.2 Brief Introduction for T1ǃT2ǃT3 working condition1.3 Operating Range of Air ConditionersTemp. Mode Rated Maximum MinimumDB ć 27 32 15IndoorWB ć 19 23 14DB ć 35 43 -5CoolingOutdoorWB ć 24 26 6DB ć 20 27 10IndoorWB ć 14.5 --- --DB ć 7 23 -10HeatingOutdoorWB ć 6 18 ---Climate typeType of AirConditioner T1 T2 T3Cooling Only 18 ć~43ć 10ć~35ć 21ć~52ćHeat pump -7ć~43ć -7ć~35ć -7ć~52ćElectricity Heating ~43ć ~35ć ~52ćA U 18 2 A E E A A