steel furnace control board

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The wiring of intelligent boiler circulation controller generally follows the following steps: 1. Power wiring: Connect the wiring terminals "L", "N", and "GND" of the controller to a voltage resistant switch (circuit breaker) of 2A or more. Connect the "L", "N", and "GND" of the voltage resistant switch to the power supply of the system (380VAC or 220VAC). The three wires "L", "N", and "GND" must be strict

Template 10