Kenmore 75251 Owners Manual - Page 9

HOW AND WHY Your room air conditioner provides the following functions to make hot weather iiv[ng more comfo_able: • Coo_s and circulates room air * Lowers humidity by removing excess moisture. , Filters out summertime dust, diR. and some airborne impurities. The air conditioner performs these functions by drawing room air through a filter which traps dust and dirt particles. The air then passes over a cooling coil which refrigerates the air and removes excess moisture. The same air is then returned to the room- coo_er, drier, and cleaner. Moisture removed from the room air is carried to the outside and evaporated. '(our air conditioner is designed to be easy to operate and to provide pienty of cooling power. NORMAL SOUNDS F G.21 Aside from the r_ular fan motor and compressor sounds coming from your air conditioner, you will once in a while hear a pinging sound This is the result of moisture being picked up from the air in the room and thrown against the air conditioner's fan. This is norma! and should not be cause for concern. Also, do not: be alarmed if you hear a slight hissing or gurgling sound coming from your air conditioner after it is off. These are normal coolant noises, CAPACITY AND RUNNING TIME Proper unit size is impo_ant in deciding the desired comfort for the area you want to cool. An undersized unit will not have the capability to cool, _eaving the area uncomfortably warm. The proper size is determined by the number of square feet in the area to be _l_, indoor and outdoor temperature and humidity. Whenever the heat or humidity load is a_ve normal the air _nditioner must run longer and more often to keep the desired temperature you have selected Under heavy heat load conditions the air conditioner may need to run constantly to keep the temperature you want, At times using the MED FAN setting to circulate the r_m air may make it comfortable even though Lhe air is not being cooled. This will decre_e your cost of use. The modern high efficiency compressor may have a high pitched hum or pulsating noise that cycles on and off. Unit Vibration The unit may vibrate and make noise because of poor wall or window const_ction. Fan You may hear air movement from the fan. _en_r You may hear droplets of water hitting the condenser causing a pinging or clicking sound. FIG. 21 -9-