1, positioningThe ideal position of the ventilator should be close to the ridge line. When positioning, the waterproof base plate should be placed on the roof and the edge of the base plate tilted should be inserted into the gap under the ridge metal cover about 50-100mm (the base plate is folded along with the pliers. 10 ~ 20mm...[Detailed]

1. Produce air convection and discharge heat.2. Reduce air-conditioning load and increase indoor fresh air.3, remove the roof moisture, mold gas, steam, keep the roof dry.4, instead of heavy-duty electric exhaust fan, reduce the cost of the bracket to save electricity and reduce noise.[Detailed]

1. Make sure that the fan equipment can operate under the normal use environment;2. Check whether the blades of the fan are loose and whether the gap between the blade and the fan is normal;3. Check the fastening environment of the bolts connecting the motor and the casing as scheduled, and check whether the connection between t...[Detailed]

1. After the fan is installed, check the flexibility of the fan rotation before starting. Check whether the blade has the friction phenomenon. Check for any leftovers and other debris in the fan and adjacent pipes.2. Check if the damper in the duct is open.3, personnel should be far away from the fan.4, the fan allows full-volta...[Detailed]