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GB Modules Installation and User Manual Page 8
I N S TA L L AT I O N M E T H O D
1. Mounting hole installation (fixed bracket)
Type
Mechanical load (Pa)
Safety factor
Schematic diagram
Purlin perpendicular to
long-side frame
+3600
- 1600
1.5
Purlin parallel to
long-side frame
+1600
- 1600
1.5
Notes:
• To maximize mounting longevity, Yingli Solar strongly recommends the use of corrosion proof (stainless steel) attachment hardware.
• To check whether the surface of the beam is flat and smooth, or add rubber pads on the beam to prevent the module from being crushed when it is pressed down.
• Parts in contact with the modules should use flat stainless steel washers of minimum 1.4 mm thickness with an minimum outer diameter of 15.57 mm.
• Modules can be attached using the mounting holes (2 holes of φ9×14 mm of one long-side frame,
≥
1300 mm spacing) on the back of the module frame, by fixing the module to the
support rails with bolts.
• Secure the module in each mounting location with M8 bolts and matching flat washers, spring washers and nuts, and tighten to a torque of 14~20 N∙m. The tightening steps as follows:
use torque wrench to tighten nut to target torque, nut loosen 90~180 degrees, finally tighten the nut to the target torque and reduce the torque attenuation.
2. Mounting hole installation (1P tracker)
Type
Mechanical load (Pa)
Safety factor
Schematic diagram
Purlin parallel to
long-side frame
+1600
- 1600
1.5
Notes:
• To maximize mounting longevity, Yingli Solar strongly recommends the use of corrosion proof (stainless steel) attachment hardware.
• Parts in contact with the modules should use flat stainless steel washers of minimum 1.4 mm thickness with an minimum outer diameter of 15.57 mm.
• Modules can be attached using the mounting holes (2 holes of φ7×10 mm of one long-side frame, 400 mm spacing for special tracker, or 2 holes of φ9×14 mm of one long-side frame,
spacing
≥
L/3, L represents the length of the long side of the module) on the back of the module frame, by fixing the module to the support rails with bolts.
• Secure the module in each mounting location with 2 M6 bolts or 2 M8 bolts, and matching flat washers, spring washers and nuts, and tighten to a torque of 14~20 N∙m. The tightening
steps as follows: use torque wrench to tighten nut to target torque, nut loosen 90~180 degrees, finally tighten the nut to the target torque and reduce the torque attenuation.
