User manual SAMSUNG AV-MCH070EA0

[. . . ] Should this happen, switch off the breaker used for your air conditioner and contact your installation specialist. x Make sure that the unit is correctly ventilated at all times: Do not place clothing or other materials over it. x If the wireless remote control will not be used for a long time, remove the batteries. [. . . ] To use the centralized controller, refer to an appropriate manual. Operating lamp All On button All Off button On/Off indicators On/Off buttons Index Note Operating lamp comes on when at least one air conditioner connected to the centralized controller is operating. E-8 Operating Recommendations ENGLISH E-9 Here are a few recommendations that you should follow when operating your air conditioner. Topic Heating performances Recommendation The heat pump function of the air conditioner absorbs heat from outside air and brings it indoors. As the temperature of the outside air drops, the heating performance of air conditioner will decrease. If you find that the room is not warm enough, using an additional heating appliance is recommended. When outside temperature is low but humidity is high, frost may form on the outdoor unit at HEAT mode. If this happens: x The heating operation stops. x The defrost mode will be triggered automatically for about ten minutes. No intervention is required ; after about ten minutes, the air conditioner operates again normally. High indoor and outdoor temperatures If both indoor and outdoor temperatures are high and the air conditioner is running at HEAT mode, the outdoor unit's fan and compressor may stop at times. This is normal ; simply wait until the air conditioner switches on again. If a power failure occurs while the air conditioner is operating, the unit will be switched off. When the power returns, the air conditioner starts up again automatically. Frost Power failure Temperature and Humidity Ranges The following table indicates the temperature and humidity ranges, within which the air conditioner can be used. The automatic protection feature may be triggered and the air conditioner stopped. A water leakage or some other malfunction may happen if the heat exchanger freezes. Water may condense on and drip from the surface of the indoor unit if it is used for a long periods. Low temperature High humidity levels Mode Heating Cooling Drying Outdoor Temperature 5°F to 75°F approx. 23°F to 109°F approx. Indoor Temperature 81°F or less 70°F to 90°F approx. [. . . ] Problem Explanation/Solution The air conditioner does not x Check that the breaker used for the air conditioner is switched on. operate at all Wired Remote Controller The air conditioner does not x is displayed on the wired remote controller. In this case, operate with the remote turn the air conditioner off and contact your dealer. [. . . ]