① Preparation before starting
1) Confirm that the power supply of the unit and the controller is turned on.
2) Confirm that the cooling tower fan, cooling water pump, and cold water pump are all turned on.
3) Confirm that the end fan coil units are powered on.
② Start
1) Press the status key on the keyboard, and then switch the unit ON/OFF toggle switch under the keyboard to the ON position.
2) The unit will perform a self-check. After a few seconds, one compressor will start, and the other compressor will start after the load increases.
3) Once the unit is started, all operations are not automatic. The unit automatically starts and stops according to the change of cooling load (the temperature of chilled water supply and return).
③ Normal operation
1) When the unit is running normally, the controller will monitor the oil pressure, motor current and other parameters of the system. Once any problems occur, the control system will automatically take corresponding measures to protect the unit and display the fault information on the unit screen. (Please refer to the installation, operation and maintenance manual for details)
2) In every 24-hour operating cycle, a dedicated person should permanently record the operating conditions of the unit at a fixed time interval.
④ Shutdown
1) As long as the unit ON/OFF toggle switch under the keyboard is switched to the off position, the unit can be stopped.
2) In order to prevent damage, do not cut off the power supply of the unit even when the unit is shut down.
Nanjing RICOM Refrigeration Equipment Co., Ltd. is a manufacturer specializing in industrial temperature control technology for 20 years. It implements modern quality management system S09001: 2008 and environmental system IS014001: 2004 standards to ensure that the enterprise team continues to be in the technical field. Innovation, focus on customer use and satisfaction, and have been unanimously recognized by the industry and customers; obtained AAA credit rating certification; in 2016, a contract and trustworthy enterprise, the company established a chiller in the beautiful Langya Mountain at the foot of Chuzhou Economic and Technological Development Zone in 2013 He mold temperature machine production base, and established Zhuzhou RICOM Plastic Technology Co., Ltd.
