Chint Solar (Zhejiang) Co.,Ltd. | Add:1335 Bin´an Road, Binjiang District, Hangzhou | P.C: 310053
Tel: 0086-571-5603 1888 | Fax: 086-571-5603 2316 | Website: http://energy.chint.com/
materials should be higher than Class A.
3.1.6 To maintain the modules’ fire performance type 3(for US market), it could be possible to
achieve the Class A system fire rating, with the Class A class racking system.
3.2 Installation Methods
3.2.1 Bolting through the mounting holes
①
All modules must be secured by at least 4 bolts (as shown in figure 1 and 2). For maximum
safety precaution, it is recommended to make use of all installation holes available, as shown
in figure 3.
②
While installing, the module frame should be parallel to the mounting rack to avoid casting
shadow on the rear side, as shown in figure 4.
Figure 1 Figure 2
Figure 3 Figure 4
Note: the red arrows above is indicative of the bolts’ location. The installation steps are as
follows ( figure 5 ):
1. Place the module underneath the mounting rack.
2. Insert 4 stainless bolts (M8) into the mounting holes in figure 1 or 2.
3. Make sure that each bolt is installed with two washers, one on each side of the rack. then
screw them tight onto spring washer or toothed washer, and at last, lock them with stainless
nuts.
4. The reference value of tightening torques should be within 17~23 Nm for M8 bolts. For the
torque value, recommendations from specific clamping hardware suppliers should prevail.
