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8. APPENDIX
Mechanical Installation: 72Cell Model
① : 812 mm
Note) When installed Fig.7, follow the NEXTracker's recommended applied torque and materials to fasten the modules.
Bolting Method
• F our M8(5/16inch) stainless steel bolts, four nuts, four spring washers, and eight lat washers are recommended
per solar module.
Note) All mechanical installation method(Fig.1 to Fig.7) and bolting method in this appendix were not tested by VDE.
It is evaluated by LG internal test.
Fig7. Bolting Type
Module frame
Bolt
Flat washer
Mounting Rail
Flat washer
Spring washer
Nut
①
Front: 2,000Pa
Rear: 1,750Pa
16
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