Thread Content
Looking at the entire used central air conditioning manufacturing industry at present, there are many low-quality units that are passed off as genuine products. Many people are concerned that the second-hand central air conditioners they purchase may be of poor quality and have a short lifespan. Below, Wuhan second-hand central air conditioning companies provide a detailed overview of some methods for determining the quality of second-hand central air conditioning systems in Wuhan. 1. Check whether the appearance is intact and well-shaped. It is necessary to check whether the casing of the used central air conditioning unit is cracked or deformed, whether the cooler fins are arranged neatly, and whether the gaps are even. Too many gaps can impair the cooling capacity of the air conditioner, as can severe dust accumulation. It also depends on whether the fins are in close contact with the air-conditioning copper tubes; otherwise, if they become loose, it will affect the heat exchange efficiency and reduce the practical performance of the system. 2. Check the actual cooling performance of the used central air conditioning system. Run the cooling system for 10 minutes, then use a thermometer to check the temperature at the ventilation outlet; it is usually between 18 and 20 degrees. The lower the temperature, the better the actual cooling effect. 3. Window units, Nest boxes, and split-system units should all be part of a complete set of generator sets; the outdoor units for indoor air conditioners, as well as the copper pipes used to connect them, should also be of high quality. Normally, the original spare parts are welded neatly and evenly. 4. Check whether the sound of the indoor unit of a used central air conditioning system is gentle and even; if there are abnormal noises of a rhythmic or pulsating nature, it indicates that the balance of the indoor fan is not good, and you will be able to feel vibration when touching the outer casing. The article is from the official website of Wuhan Hongwei Shengshi: Wuhan Used Central Air Conditioning http://www.wheszykt.com/