Fire resistant rolling shutter doors occupy a leading position in the market. As far as China is concerned, 90% of rolling doors are fireproof rolling doors, and more than half of rolling door manufacturers are producing, selling and promoting fireproof rolling doors. However, such development has also caused confusion in the market today, making the product quality of fire rolling shutter doors mixed. At this time, we must be familiar with the new fire rolling shutter door specifications, and use the new fire rolling shutter door specifications and standards to accept fire rolling shutter doors. What are the precautions for the installation of fire rolling shutter door?
Precautions for installation of fire curtain rolling door
The installation of fire rolling shutter door is very important, and the following points need special attention during installation.
1、 Power supply of fireproof rolling shutter door
The power supply for fire rolling shutter door shall be fire power supply; The sectional area, insulation resistance, line laying and protective tube material of power supply and control conductors shall meet the specification requirements. The setting value of overcurrent protection for the power supply device of fire rolling shutter door shall meet the design requirements.
2、 Fireproof rolling shutter door controller
The fire rolling shutter door controller is installed on the fire rolling shutter door to control the fire rolling shutter door to move up, down and stop. In addition, manual buttons shall be set on both sides (except the side where personnel cannot operate) to control the lifting, lowering and stopping of the electric fire shutter door, and the function of the fire shutter door shall be lifted after the fire shutter door is lowered and closed in case of fire, and the fire shutter door shall be able to automatically restore the closed state after being lifted in place.
3、 Alarm system of fire rolling shutter door
The fire rolling shutter door shall be equipped with an automatic alarm control system, and the electric fire rolling shutter door shall be equipped with an automatic closing control device. The fire rolling shutter door used for the evacuation passage shall be controlled by the detector to descend in two steps or descend to the bottom after a delay of 1.5m-1.8m; The roller shutter used only for fire separation shall be lowered to the bottom in one step, and the arm force of manual quick release device and manual quick release device of fire shutter door shall not be greater than 50N; The fire control room shall have a forced electric fire shutter door lowering function (emergency operating device) and display its status; The opening and closing device of the fire shutter door installed on the evacuation exit shall be able to manually and mechanically lift the fire shutter door that is lowered and closed after the fire power is cut off, and the fire shutter door can restore the original closed state relying on its own weight. The traction force for manual lowering of manual fire rolling shutter door shall not be greater than 150N.
