Precautions For Operation; How To Handle The Compressor For Long-Term Shutdown - SATA AE5811 Manual Del Uso

III. Precautions for operation
3-1. When any abnormal sound or abnormal vibration is found in operation, stop the compressor immediately.
3-2. There is pressure in pipes and containers during operation, so the pipes or plugs shall not be loosened and unnecessary valves shall
not be opened.
3-3. Be sure to observe the oil level during operation. The oil level shall be between the upper and lower red lines of the oil level sight glass.
If the oil level is lower than the lower red line, it is necessary to stop the compressor for filing the special lubricating oil.
3-4. There will be condensate in the rear cooler and air reservoir. Therefore, the condensate shall be drained regularly every day, or an
automatic draining valve shall be installed, otherwise the condensate will be brought into the system.
3-5. Where applicable, the user may check and record the voltage, current, and the air pressure, temperature and other parameters of the
LCD every 8 hours during operation for future reference of maintenance and overhaul.
IV. How to handle the compressor for long-term shutdown
In case of long-term shutdown, the compressor shall be carefully handled as follows, especially for those used in rainy/wet seasons or
areas with high humidity.
4-1. For downtime more than 1 month:
--- The electrical devices such as the control panel shall be wrapped in plastic cloth or oil paper and be supplied with desiccant to prevent
moisture intruding into them.
--- Completely drain the water in the rear cooler and air reservoir.
--- If any fault is found, perform troubleshooting in the first place for future use.
4-2. For downtime more than 2 month:
--- In addition to the above procedures, perform the following steps:
--- Close all openings to prevent moisture and dust from entering into the compressor.
--- Renew the lubricating oil and run the compressor for about 30 minutes before shutdown.
4-3. If the compressor has been shut down for more than half a year, it shall be started and operated for 1-2 hours every three months to
prevent the moisture from entering the compressor head, causing the compressor head to rust and get stuck.
4-4. Procedures for re-starting:
--- Fill the special lubricating oil for screw compressor via the intake valve.
--- Remove the protective plastic cloth or oil paper.
--- Measures the insulation resistance of the motor to ground, which shall be above 1MΩ.
--- Restart the new compressor as per steps specified in Trial run of new compressor.
---The PLC parameters have the default values set by factory. If the user is to set the parameters to the values different from the default
values, he/she shall go to the menu to set the PLC parameters.
AE5811/AE5812/AE5813
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0.5L for power lower than 45kw, 2.5L for 75kw
5.0k for 110kw and 8.0L for 160kw
10.0L for 250kw
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