Xuzhou 圣尔达 Refrigeration Electrical Services Ltd First, the basic concept of an air conditioner, air conditioning, air conditioner stands for, generally refers to in a particular space temperature, humidity, cleanliness and adjust the flow rate, and meet the standards process requirements and can meet the needs of human comfort appliances. 2, with three basic functions: cooling, heating, dehumidifying 3, ambient temperature heating and type of -7 ℃ -43 ℃ (National Standards) 4, refrigeration 18 ℃ (indoor) ~ 43 ℃ (outdoor) Xuzhou old air-conditioning accessories below dehumidification 18 ℃ (room temperature) 5, air noise with national standards: Cooling capacity 2500W-4500W the machine ≤48 decibels old air-conditioning, outdoor unit ≤58 decibels; refrigeration 4500W-7500W rent the machine ≤52 decibels Xuzhou old air-conditioning telephone, ≤62 dB outside the machine. 6, mostly for air conditioning heat pump Xuzhou buy the old heating system, it has the advantage of high energy efficiency, is also using the auxiliary heating function, an increase in indoor heating pipe, it has the advantage of fast heating at low temperatures, but the disadvantage that higher electricity users in the purchase of high-power electric heating air conditioning to take into account his meter capacity and 220V or 380V. Xuzhou 圣尔达 Refrigeration Electrical Services Ltd 2, meaning domestic air conditioning symbols: as Model: KF (R) - 23GW, KC-23, KF-50LW, K representative on behalf of split air-conditioning F R C representative on behalf of well-being window Machine bars after cooling capacity figures represent the people as righteous: 23 representatives of cooling capacity of 2300W, L on behalf of indoor floor-G on behalf of indoor hook, W on behalf of the outdoor unit. Third, the air conditioning horses adapt to a small area corresponding to the number 1P (23): 10-16 square meters (large) 1P (26): 12-18 square meters 1.5P (35): 16-24 square meters 2P (50): 23-34 square 3P (72): 32-50 square meters 5P (120): 55-85 square meters Xuzhou buy old air-conditioning, refrigeration Sheng Erda (certified), old air-conditioning is provided by Xuzhou 圣尔达 Refrigeration Electrical Services Limited. Xuzhou Sheng Erda Refrigeration Electrical Services Limited (xzktw.com) Xuzhou, Jiangsu, heat, refrigeration and air conditioning equipment leader, over the years, the company is implementing the scientific management, innovation and development, the principle of honesty and trustworthiness, and satisfy customers needs. Sheng Erda leader in refrigeration staff warmly welcome all inquiries negotiations to create a better future Sheng Erda refrigeration.