Maintenance of a chiller, air-cooled units boot should see the fan rotation is correct used refrigeration equipment, such as forward can start running, then the power supply wiring reversed inverted phase sequence must be replaced after the start. 2, the protection unit has a factory set value set a good tone refrigeration equipment, accessories, users do not tamper with. 3, the unit shutdown occurs when the fault alarm, press the stop button unit (warning light goes out) refrigeration plant, and then check the cause of the malfunction of refrigeration equipment, the fault is not excluded the former shall not be forced to start running. Common Causes of high pressure alarm chiller Cause Analysis 1. Cooling water is not open, the problem is very easy to solve, but it is common mistakes. Solution: Open the valve. 2. The cooling water flow is too small or too hot. Solution: increase or decrease the temperature of the cooling water flow (cooling water to allow 21 degrees -38 degrees). Used refrigeration equipment, refrigeration equipment, refrigeration provided by Snow Dragon Snow Dragon City Refrigeration Electrical 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!