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1. When starting the module for the first time, it is essential to start the EDI module equipment correctly; this is necessary in order to get the EDI module ready for normal operation and to prevent damage to the module due to excessive flow, water hammer, or electrical overload. Following the procedures below can also help ensure that the system operates within its design parameters, thereby producing water that meets the design requirements. For the startup and operation of the system, the data from the first run is an important component. Before activating the EDI module system, the RO system, the installation of the EDI module, the calibration of instruments, and the inspection of other systems must all have been completed. Next is the recommended startup procedure for the EDI module system; 2. Start it up – once the EDI module system is running, (in fact, it’s inevitable that the EDI module system will stop and restart to some extent.) ) Each shutdown and restart implies changes in pressure and flow, as well as mechanical stress on the EDI module. Therefore, the number of system shutdowns and restarts should be kept as low as possible to ensure the stable operation of the EDI module system. Inspections before and during system startup should be carried out as part of regular work, with proper records kept. The calibration of instruments, alarm checks, as well as the inspection for leaks in safety equipment and pipelines should also be carried out as part of regular daily tasks.