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Why doesn't the air conditioner make any sound when it is turned on? It seems as if it isn't working at all.
Answer: This is a design feature of the air conditioner. Every air conditioner has a function to prevent cold air from entering. When heating, there is a process of heat accumulation and increase. If there is air coming out immediately after the machine is turned on, it could be cold air as well. In winter, when the air is already very cold, suddenly being exposed to cold air can easily cause a person to catch a cold.
Therefore, only when the temperature of the evaporator of the air conditioner rises to a certain level will the main control board determine that the temperature of the blown air will not be too low, and then the fan will start to operate and blow out hot air. Generally, in normal circumstances, hot air will not come out until 3 to 5 minutes later.
2. Why doesn't the air conditioner provide heating when turned on, but instead blows cold air?
Answer: This is actually similar to the previous question.
Let's first look at the heating principle of the air conditioner: When the air conditioner is heating, the gas refrigerant is pressurized by the compressor, turning into a high-temperature and high-pressure gas, which then enters the heat exchanger (which is the condenser at this time) in the indoor unit. It condenses and liquefies, releasing heat and becoming a liquid, while heating the indoor air, thereby achieving the purpose of raising the indoor temperature. The liquid refrigerant passes through a throttling device to reduce pressure and enters the heat exchanger (which is the evaporator at this time) in the outdoor unit. It evaporates and gasifies, absorbing heat and becoming a gas, while absorbing the heat from the outdoor air (the outdoor air becomes colder). The refrigerant in gas form then enters the compressor to start the next cycle.
If the temperature is extremely low, when the air conditioner is turned on, it is very likely that the evaporator temperature will rise very slowly, resulting in the air blown out initially being lower than the perceived body temperature. Thus, it feels like a cold wind.
3. Why doesn't the room temperature reach the desired level after the air conditioner is turned on for half an hour?
Answer: (1) During this season, to provide heating, check if the air conditioner remote control is set to the electric auxiliary heating function. There is a "drying auxiliary heating" button on the remote control. When this button is pressed, the remote control will display "auxiliary heating", at which point the auxiliary heating is activated, enhancing the heating effect.
(2) You can set the air conditioner to the "super strong" mode. The air speed and the running frequency of the compressor will be increased to further ensure the heating effect.
(3) When the air conditioner is heating, the guide blades will send air downward to ensure that the hot air is blown downward. If the guide blades of the air conditioner are not downward, you need to adjust the "up and down air circulation" of the air conditioner to ensure that the guide blades are downward, and the effect will be better.
(4) Check the air output of the air conditioner when it is heating. If the output is small, it is recommended that the customer clean the filter screen. Blockage of the filter screen will also affect the heating effect of the air conditioner.
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