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Installation and application of electric door closer in Le Bird fire door monitoring system
Fire door electric door closer
The fire door electric door closer is an electric device that can close the fire door in an open state after being commanded and feed back state information to the fire door monitor through the door magnetic switch, and is suitable for the control of the normally open fire door. The integrated door closer integrated module has two bus communication, and the split type door closer needs to be connected to the LN9M fire door monitoring module.
The fire door electric door closer can cooperate with the fire door monitoring module to remotely or locally control the opening and closing of the door, and feedback the state of the door to the control center. Meet the fire requirements, power off and close. Of course, the gate delay can also be set to close, and the order is closed. 15-0 lock speed adjustment, 150-15 turn off speed control. From these aspects, it is not difficult to see the role of fire door electric door closers in smart fire protection!
Fire door electric door closer installation
1. At present, the more common and standard usage is to install the door closer to the side of the hinge and the side of the fire door, so that when the installation is performed, the door closer is protruded outward, basically with the fire door. The door frame is 90 degrees, and will be more "smooth" in the later closing process.
2. If the fire door electric door closer is installed on the opposite side of the hinge and the fire door is closed, it is necessary to install the additional bracket provided by the fire door electric door closer to the door frame arm parallel to the fire door. In this way, it is basically unwilling to install the fire door electric door closer outside the building, which is also more common.
Fire door electric door closer application
Since the function of the fire door electric door closer is large, the application is also extensive, and it can be seen in the walkway of daily life or the normally open fire door in front of the elevator, and in the fire prevention work. A fairly critical role has also been mentioned.