What does the four button of the fire hydrant button mean?
The first regular fire hydrant button needs 6 lines, two signal line, the nearest from the smoke temperature beside the sense, at the hand and drew the remaining 4 roots, two is the pump power line, press the button to start the fire hydrant fire pump with the other two, is the answer to the line of lights, fire pump start button on the fire hydrant display lights. I wonder if you understand this explanation. I hope I can help you.
Two signal lines to the control room, used to play the water pumpTwo return lines to the pump room, pump start, green light up
Wire system: fire hydrant button and fire alarm controller signal two bus connection, if you need to achieve direct pump control, you need to fire hydrant button and pump control box using two wire connection;
