Elevator in the first floor has set fire switch, and fire linkage What is the difference? More
Elevator fire linkage, refers to the fire alarm, the fire building all the elevator will be forced to the first floor. Elevator in the first floor of the fire switch, and fire linkage has nothing to do, in two cases: First, the fire is not set up automatic alarm building, elevator landing, the direct start of the first floor of the fire switch; Second, set up a fire alarm system Building, when the elevator down the function of failure or failure, you can directly start the first floor of the fire switch to start landing.
Function the same, control the location of different elevators, fire linkage is the fire switch extends to the abduction center, and feedback to the first floor after the elevator to open the door signal
Only two kinds of start to play Cheong Chai leek to help blood explosion method, the first first-class fire switch manually start, the second building fire control room to start. The so-called fire linkage is to require the elevator to connect with the building's fire system, the building's fire equipment starts, the elevator must also start the fire state!
