automation and pressure tank water pump

In this video we are going to carry out the automation system and the electrical connection of a pressure tank or hydropneumatic tank with two three-phase pumps.
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automation videos:
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direct command: https: // / watch v = Z_eGQDM0nyE
spin reversal: https: // / watch v = FPoiQI4OMX8
three-phase electrical board: https: // / watch v = Ht2G3xdh_yE
electrical installation; https: // / watch v = F_K1EhOmMK4