Haier air conditioner Edition: 20070925- 2 -1. Product Code Illumination and Seriesintroduction1). Model code rule descriptionModel identification:A: Abbreviation of HaierB: Abbreviation of WindowC: Nominal cooling capacity (BTU/h) with the first two numbers based on one thousand unit.D: Function codeC - Cooling onlyH - Heating pumpE - Electric aided heatingE: Developing sequenceF: The type of power supplyExamples:HW-07/09/12LN03It represents window air conditioner. Cooling capacity is 7000/9000/12000 BTU/h and the powersupply is 220V / 50Hz.2). Standard situation/conditionsIndoor air state outdoor air stateNo. Operating condition D.B. W.B. D.B. W.B.1 Nominal cooling 32 23 43 262 Nominal heating / / / /3 Nominal electrical Heating / / / /3) Brief introduction of window air conditioner series1. Temperature set knob can adjust the temperature of the air in room2. Function set knob can control the fan speed as well as the cooling speed.3. Vent helps you to exhaust any stale unwanted air in the room and draw fresh outside air in theroom.H W -A B C D E F