3) Press the electric heating button, indicator light, confirm the work of refrigeration equipment, electric heaters, heating press the stop button, the heating light off; 4) Press the button to start the pump, the pump starts, the indicator lights, press the stop button on the pump, the pump stops, light off; 5) Press the start button pump, oil pump lights, pump operation and rotation to the right hand of refrigeration equipment, the oil differential adjustment in 0.4 ~ 0.6MPa. 4 chiller maintenance, if not an emergency case not by cutting off the main power supply to shut down the unit; if the unit to stop using long-term in the winter, then turn off the unit, and then turn off the main power plant cooling water will be exhausted within the system. 5, to keep the room clean and well-ventilated, in addition to regular cleaning of the condenser masonry work to ensure stable operation of the unit normal. 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!