Recommended accessories are as below :
18
Suggestion :
（
1
）
M8 bolt tightening torque range: 14N•m-18N•m; M6 bolt tightening torque range: 8N•m-12N•m;
（
2
）
When using LONGi 30mm (30H) height frame module, it is recommended to select L ≤ 20mm length
fasteners. (If there is a special model, consult LONGi customer service);
5.3.2 Clamps Installation
See details in Figure 8.
The clamp shall not be in touch with glass or deform module frame in any case. The interface of the clamp and frame
front side shall be flat and smooth to prevent frame and module being damaged.
Avoid the shadow blocking effect of the clamp.
The drain hole cannot be blocked by the clamp. For framed PV module
，
the clamp must maintain an overlap of at least 8
mm but no more than 11 mm with the frame of the module (you can change the cross section of the fixture if the module
is securely installed).For frameless PV module
，
the clamp must maintain an overlap of 15 mm at maximum with the
module.
Accessories
Model
Material
Note
Bolt
M8 (full thread
recommended)
M6 (full thread
recommended)
Q235B/SUS304
Accessories
material selection
should be based
on application
environment.
Washer
2*8
2*6
（
6.4*18-1.6 ISO 7093
）
Q235B/SUS304
Spring Washer
8
6
Q235B/SUS304
Nut
M8
M6
Q235B/SUS304
