3) Press the electric heating button and indicator light industrial refrigeration equipment, electric heater confirm, press the stop button Xi'an heating refrigeration equipment, heating light off; 4) Press the start button pump refrigeration equipment, pump starts, indicator light, according to the pump stop button, the pump stops, light off; 5) Press the start button pump, oil pump lights, pump operation and rotation to the right, the oil differential adjustment in 0.4 ~ 0.6MPa. Third, the various types of equipment maintenance work: short refrigeration plant, central air conditioning systems and equipment should be carried out every year before running routine cleaning and maintenance work, for a long time without cleaning the system must also carry out decontamination system, rust, blunt of the pre-film processing, in order to ensure safe and reliable system operation, clean, economical, and extend equipment refrigeration plant | Refrigeration Equipment | Refrigeration is 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!