Secure operation of the catalytic main fan
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Hello, experts. I’m a beginner and have a question to ask； After the main fan is operated in secure mode, how can normal supply and return air circulation be restored? Could you talk about the process?
Regardless of the reason that leads to the unit operating in a secure mode, this will result in almost all of the associated interlock protections being activated (the procedures that follow such interlocks are not detailed here), but different reasons require different approaches for handling the situation. 1. If this is caused by the motor coming off the grid, it is necessary to contact the power supply as soon as possible (usually the high-voltage circuit will switch automatically) to ensure that the unit is ready to be started again. 2. If the issue is caused by problems with the unit itself, such as a sharp drop in oil pressure, shaft vibration, shaft displacement, or surge, it is necessary to identify the cause promptly and take appropriate action based on the specific situation ； If the main server is not ready to start up for a short period of time, it is necessary to promptly activate the backup server to take over the system.