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With when by rights ought to must close the AP4 control cubicle, first presses down on the control cubicle or XK2 pause button SB5 or SB19, because the soft starter has stand-by time (user in scene basis actual operating mode, stand-by time may revise suitably), the output voltage also is reduces slowly, therefore the electrical machinery rotational speed is drops gradually, water supply pressure also when reduces gradually, therefore the impact cannot be very big to the electrical network, to running water pipe network also time good protection.After starts the stand-by time to finish on the control cubicle bypass indicating lamp softly (H8), on the control cubicle or XK2 work indicating lamp H10 or H28 extinguishes the expression stop to finish.The start stops the AP5 principle and the start stops the AP4 principle being similar.
补充:AP7 the air blower control box
AP0 cabinet is equipped with the power switch, in this control box the establishment has circuit breakers and so on QF19, QF20, the control surface panel establishment has the ampere meter, the voltmeter, the indicating lamp and so on.When needs to start this control box, first inspects in the control box the wiring is whether correct, after confirmed unmistakable only then closes circuit breakers and so on QF19, QF20, after closes the circuit breaker power light H15 to be bright, indicated the preparatory work ready, might start to work.This control box and fire valve linkage, when the fire valve closes the DC24V output, in the control box intermediate relay KA4 loses the electricity, KA5 results in the electricity, contact device KM3 closes, the air blower starts to work.For ease of the overhaul, the air blower can the manual start and the stop, when the use manual function must put in the change-over switch the manual position.When start presses down SB10, stops when presses down SB9 then.The attention the change-over switch will put in the automatic position by all means must in the normal condition.Otherwise the hose saddle and the air blower are unable to form chain-like.
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