In order to ensure that the various operations of the vacuum negative pressure station are under standard conditions, so as to ensure the correct operation of the operators, and to ensure safe production, the commissioning, start-up and shutdown operations of the equipment must be standardized. The correct operation methods are as follows.
1. Connect the power cord and grounding wire, and check whether the main voltage is correct and the three-phase power supply is correct.
2. Check whether the H2O level is in the proper position. There is a mark on the H2O level gauge of the existing vacuum pump station.
3. Whether all valves are open.
4. Check whether all electric control lines of the vacuum negative pressure station are connected.
5. Check whether the H2O ring pump is stuck by hand before starting.
6. Within 2 seconds after pressing the start button, immediately press the stop button to check whether the direction of rotation is consistent with the direction of the arrow on the nose face (shaft extension end). If the direction of rotation is wrong, please exchange any two of the three power cords.
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