1, fully familiar with the fan samples, familiar with the fan specifications, forms, impeller rotation direction and airflow in and out of the direction, etc., fan should be checked before installation of the impeller there is no rubbing phenomenon, and a comprehensive inspection of the components, accessories, accessories are complete, whether the parts of the linkage is solid, carefully check whether the wind blade is damaged or deformed due to transportation, otherwise it should wait until the repair can be installed only after the repair.

2, after the coupling fan import and export ducts should have a separate support, do not allow the weight of the pipeline added to the fan components, fan installation should pay attention to the horizontal position of the fan, the fan and the foundation of the bonding surface and out of the air ducts should be adjusted to make a natural fit, shall not be forced to join.

3, fan installation, with a hand or lever to pull the impeller, check whether there is too tight or rubbing phenomenon, there is no obstacle to the rotation of the items, no abnormal phenomena, before the test run, the wind will drive the exposed part of the device should be a protective cover (user-provided). If the fan inlet does not take over the channel, also need to add protective net or other safety devices (user-provided).

4, fan wiring must be correct and reliable, fan shell should be properly grounded, grounding must be reliable. The power supply to the fan must be complete and meet the relevant requirements. Electrical wiring must be wired by an electrician with specialized knowledge. Completion of the diagram:

The space on fire is generally in the rooms, because the stairwell is not allowed to place combustible materials from the management. When a fire breaks out in a room, the smoke spreads down the doorway and into the hallway and stairwell.

Smoke exhaust facilities are in the upper part of the room through the smoke pipe, smoke outlet, smoke exhaust fan, started in the event of a fire to smoke from the room directly sucked into the pipe out of the building. People escape smoke reduction, coupled with the evacuation staircase has a pressurized air supply system, escape direction and smoke flow in the opposite direction, will be more secure.

Many residents staircase electric car fire, smoke quickly spread throughout the building, fire accidents after the harm caused by a great deal, so should be actively resisted in the stairwell storage of goods, especially electric car behavior.

Baidu Encyclopedia-HTF fire exhaust fan (installation steps)