Xuzhou Sheng Erda Refrigeration Electrical Services Limited ☆ sleep comfortably run a way to adapt to human sleep (SLEEP) mode of operation. After falling asleep at night, old air-conditioning in summer, if the air conditioner has been turned on, the indoor temperature is too low will cause people colds, from the physiological point of view, Xuzhou old Gree air-conditioning requirements, hoping to sleep at different stages have different ambient temperature, sleep Run able to meet this demand. When the sleep mode is set in the cooling mode, the controller note the time of the set temperature, for 1 hour, the set temperature will be at the basis of the original set temperature rises high a degree, and a new set temperature for controlling the compressor open stop, another 1 hour, and then set the temperature rises one degree. Throughout this during sleep, the ambient temperature rising Xuzhou conditioning repair, depending on the model, the temperature range of about 2 to 3 degrees. Also in the heating operation, they can press the sleep mode set thinking, continue to lower the ambient temperature, the range of about 2 to 5 degrees Xuzhou old air-conditioning leasing, to prevent overheating. Xuzhou City 圣尔达 Refrigeration Electrical Services Limited ☆ processing an inner wall of the spiral thread brass textured brass. Smooth copper tube and the inner wall (light pipe) compared to an inner wall processed into a spiral due brass textured area of ??the inner wall can be increased, so that the refrigerant flows in the copper tube, it can increase the heat exchange area between the two, thereby to improve the heat exchange efficiency. Eight, air conditioning basics: ☆ Why can cooling and heating air conditioner air conditioner works, in a nutshell, is to absorb heat from the lower temperature of the air, again higher temperature exhaust air heat. ☆ air conditioner brief history of the development of a single fixed speed AC inverter air conditioning → → → DC variable speed PWM DC variable speed air conditioning air conditioning PAM. Xuzhou old air-conditioning recycling | old air-conditioning | Sheng Erda provided by Xuzhou 圣尔达 Refrigeration Refrigeration Electrical Services Limited. Xuzhou 圣尔达 Refrigeration Electrical Services Limited (xzktw.com) strong, credible, in Xuzhou heat exchangers, refrigeration and air conditioning equipment industry has accumulated a large number of loyal customers. The company better work attitude and constantly improving innovative ideas will lead Sheng Erda refrigeration and you hand into the brilliant, for a better future!