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/
large amounts of accumulated water leaving marks on the glass surface, thereby affecting the
appearance and performance of the module.
PV modules connected in series should be installed in the same orientation and angle. If the
orientation and angle are different, the solar radiation received by each module may be different,
resulting in power loss.
4.3 Installation Methods
4.3.1 Bolting through the mounting holes
All modules must be securely fastened with at least 4 bolts (As shown in Figure b, Figure c,
Figure d and Figure e).
Fig b
Bolt installation for 60cell
Fig c
Outer four-hole bolt installation for 72cell
Fig d
Internal four-hole bolt installation for 72cell
Fig e
400mm pitch bolt installation for 72cell
Remark: In order to achieve maximum safety precautions against wind and snow loads, it is
recommended that all available mounting holes should be used
Bolts are inserted as described in the process below (Sketch figure f).
a) Place the module on the supporting bars underneath.
b) Insert the four stainless-steel bolts (M6) through the holes (7x11.5mm) or stainless-steel
bolts (M8) through the holes (9x14mm) in the frame according to the Figure b, Figure c &
