Simple operation. Note that when using surface cleaning, do not scratch the surface with a hard object. Operating a touch screen, the touch screen is powered on, the display will show the system (in English) menu: A, (Download) Download the program B, (Uploap) upload procedure C, (Copy) to copy the program D, ( Contrast) Brightness adjustment E, (Run) into the run screen 2. Click "Run" will show McQuay single screw chiller refrigeration plant the main screen, click on the "main screen" after the show: set temperature, water temperature, total energy, waiting time at the bottom of the screen there are three buttons: Start, stop, menu. 7 chiller maintenance, air-cooled chiller chiller cooling coil keep the surface clean to ensure air circulation around the low temperature refrigeration equipment, regular cleaning of fouling on the coil, to ensure good heat transfer. 8. The chiller has been used for more than six months, or high / low pressure switch fails often, or cooling capacity to reduce air conditioning and refrigeration equipment, please arrange for staff to clean the condenser. If you follow the above instructions for repair times, chiller fault alarm still sounding, it should ask a professional service chiller personnel repaired. Refrigeration equipment, refrigeration equipment, refrigeration provided by Snow Dragon Snow Dragon City Refrigeration Electrical and Mechanical Equipment Engineering Co., Ltd .. Dongguan City-long Refrigeration Electrical Equipment Engineering Co., Ltd. (www.dgxuelong.com) strong, credible, in Dongguan, Guangdong 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 XUELONG refrigeration and you hand into the brilliant, for a better future!