Aerator safety operation method and energy-saving measures

Safe Operation Methods:

To ensure the aerator operates safely and efficiently, it is essential to follow proper procedures. First, always disconnect the power supply before installation. Never use the cable as a rope in the pool; instead, secure it with a lock clip on the rack and avoid submerging it in water. Any remaining cables should be connected to the shore power supply according to electrical regulations. When the aerator is turned on, it may generate strong torque, so it must be properly fixed in place. The rotation can create large waves, so never stand in front of the unit while it's running, especially when using floats. If you hear a "click" sound during operation, check for missing phases in the power supply. If detected, turn off the power immediately, replace the fuse, and restart the unit. The housing should be installed correctly to protect the power supply from rain, and the junction box must be shielded from moisture. When starting the aerator, observe its movement and performance. If there are unusual noises, reverse rotation, or unstable operation, stop the machine immediately, address the issue, and then restart. Since aerators often operate in harsh conditions, users are advised to install thermal relays, temperature relays, thermistors, and other electronic protection devices. Regularly inspect the impeller for any foreign objects or attachments, and remove them promptly. The float should be checked annually to prevent reduced buoyancy due to wear, which could increase the motor’s load and cause damage. When placing the aerator in the water, make sure it is moved horizontally to avoid oil leakage from the reducer vent. Also, never let the motor come into contact with water, as this can lead to motor failure. Assign a responsible person to oversee the aerator’s operation and maintenance, ensuring all activities are recorded and monitored. Energy-Saving Tips: Optimal timing for aerator operation can improve efficiency, reduce energy consumption, and boost fishery productivity. Based on experience, running the aerator for 3–5 hours instead of 6–10 hours can save about 60% of electricity while maintaining sufficient dissolved oxygen levels for the fish. 1. Early in the morning, just before dawn, when oxygen levels are low after an overnight period of consumption by fish and aquatic life, run the aerator for 1–2 hours to raise dissolved oxygen levels to at least 4 mg/L. 2. Between 8:30 AM and 10:30 AM, during peak daylight, operate the aerator for 1–2 hours. This not only adds oxygen but also promotes water circulation and enhances the photosynthetic activity of phytoplankton, increasing dissolved oxygen. 3. From 3:00 PM to 5:00 PM, when water temperatures rise, dissolved oxygen levels drop. At this time, run the aerator for 1–2 hours to replenish oxygen and store it for nighttime use. In addition to these optimal times, adjust the aerator schedule based on the season and weather conditions. For example, during the fish production season, running the aerator for 0.5–1 hour around noon can help improve water quality. On rainy days, avoid running it during the day to prevent issues like "floating head."

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