Fire elevator function

March 26, 2019

1. The fire elevator has an anteroom. The front room area of ​​the independent fire elevator is: the front room area of ​​the residential building is more than 4.5 square meters; the front room area of ​​the public building and the high-rise factory (library) building is more than 6 square meters. When the front room of the fire-fighting elevator and the smoke-proof stairwell are combined, the area is: the area of ​​the front room of the residential building is more than 6 square meters, and the area of ​​the front room of the public building and the high-rise building (the library) is more than 10 square meters.

2. The fire elevator front room is equipped with a Class B fire door or a fire shutter with a stagnant function.

3. There is a special fire telephone in the fire elevator car.

4. There is an operation button dedicated to the firefighters at the appropriate position on the first floor elevator door. The operation buttons are generally protected by a glass piece and are marked with a red “fire-only” in place.

5. When the normal power supply is cut off, the lighting in the non-fire elevator is not powered, and there is still illumination in the fire elevator.

6. The fire hydrant has an indoor fire hydrant in the front room.

In the event of a fire, if it is controlled by the fire control center or the first-level firefighter's dedicated operation button to enter the fire state, it should be:

1. If the elevator is in the upward direction, it will immediately stop at the floor, do not open the door, then return to the first floor station and automatically open the elevator door.

2. If the elevator is in the downside, immediately close the door and return to the first floor station, and automatically open the elevator door.

3. If the elevator is already on the first floor, immediately open the elevator door to enter the firefighter-only state.

4. The call button on each floor is disabled and summoned to remove.

5. Restore the command button function in the car for the firefighters to operate.

6. The door closing button has no self-holding function.

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