8’–24’ POWERFOIL
®
X2.0 WASHDOWN & POWERFOIL
®
X2.0PLUS WASHDOWN
13
WWW.BIGASSFANS.COM ©2012 DELTA T CORP. ALL RIGHTS RESERVED
8’–24’ POWERFOIL
®
X2.0 WASHDOWN & POWERFOIL
®
X2.0PLUS WASHDOWN
1. Select proper angle irons
Using the table and diagrams below, select the proper angle irons for fan installation.
Note: Angle irons and angle iron hardware are not included with the fan.
Angle iron span
(between mounting points)
Minimum angle iron dimensions
(W x H x T)
Number of angle
irons needed
6 ft (1.8 m) or less
2.5” (6.4 cm) x 2.5” (6.4 cm) x 0.25” (0.6 cm)
2
6 ft (1.8 m) to 8 ft (2.4 m)
3” (7.6 cm) x 3” (7.6 cm) x 0.25” (0.6 cm)
2
8 ft (2.4 m) to 12 ft (3.7 m)
3” (7.6 cm) x 3” (7.6 cm) x 0.25” (0.6 cm)
4*
*Two pairs of angle irons. Pairs should be placed back to back and fastened in center (see step 3).
Mounting Structure: Bar Joists
WARNING: The fan should not be installed unless the structure on which the fan is to be mounted is of sound
construction, undamaged, and capable of supporting the loads of the fan and its method of mounting. A structural
engineer should verify that the structure is adequate prior to fan installation. Verifying the stability of the mounting
structure is the sole responsibility of the customer and/or end user, and Big Ass Fans hereby expressly disclaims any
liability arising therefrom, or arising from the use of any materials or hardware other than those supplied by Big Ass Fans
or otherwise specified in these installation instructions.
WARNING: Never use beam clips when mounting the fan to angle irons! Beam clips are only intended for I-beam
installations.
CAUTION: Do not install the fan from a single purlin, truss, or bar joist.
CAUTION: Unsupported angle iron spans should not exceed 12 ft (3.7 m).
CAUTION: The angle irons must be fastened to the roof structure at each end.
Angle Iron Side View
(see table for dimensions)
Width
Height
Thickness
6’ (1.8m) or less
over 6’
(1.8m) – 8’
(2.4 m)
over 8’
(2.4 m) – 12’
(3.7 m)
Big Ass Fans can only be hung from an I-beam or bar joists. See the previous page for I-beam mounting instructions.
Consult a structural engineer for installation methods not covered in this manual.
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