FAQ and knowledge - mechanical ventilation

Big Air PÜRe Ceiling Fan


• What are the dimensions of these fans?
The fans come in different sizes (diameters): 16’, 20’, 24’ & 26’ feet. (4.9 m, 6.1 m, 7.3 m, and 8 m).

• What is the power (strength) of the motors?

  • 16’ (4.9 m) = 1.5 HP
  • 20’ (6.0 m) = 1.5HP
  • 24’ (7.3 m) = 2 HP
  • 26’ (8 m) = 2 HP

• What is the speed of the fans?
For this information, you will have to refer to the datasheet.

• What is the amperage and voltage of these fans?
The fans voltage is 230 volts & the amperage is as follows:

  • 16’ (4.9 m) = 5.3 AMP
  • 20’ (6.1 m) = 5.3 AMP
  • 24’ (7.3 m) = 6.3 AMP
  • 26’ (8 m) = 6.3 AMP

What is the minimum height required for the installation of these fans?
Regardless of the fan diameter, the clearance of the propeller at the floor level should be a minimum of 13’ (4m) minimum.

• How to calculate the size and number of fans?
Refer to a Secco specialist.
Standard spacing is :

  • 43’ (13 m) for the 16’ (4.9 m) model
  • 50’ (15 m) for the 20’ (6.1 m) model
  • 60’ (18 m) for the 24’ (7.3 m) model
  • 65’ (20 m) for the 26’ (8 m) model
  • The size of the building, as well as the interior layout, will influence the location.

• What is the warranty on these fans?
It all depends on the type of product; therefore, you should refer to the information leaflet.