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module, and avoids long-term large amounts of
accumulated water leaving marks on the glass
surface, thereby affecting the appearance and
performance of the module.
Figure 1: Schematic diagram of tilt
•
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.
6.3 Installation Method
The photovoltaic module mounting bracket
•
must be made of durable, corrosion-resistant,
and UV-resistant materials. The mounting
bracket must be inspected and tested by a
third-party testing organization with static
mechanical analysis capabilities to meet the
country, region, or corresponding international
standards.
•
The photovoltaic module must be firmly fixed on
the mounting bracket. If the photovoltaic
module is installed in a snow-covered area, the
height of the support should ensure that the
lowest point of the photovoltaic module will not
be covered by snow. In addition, it should be
ensured that the lowest point of the photovoltaic
module will not be blocked by surrounding trees
or other plants.
•
When the photovoltaic module is installed on a
bracket parallel to the roof, the minimum gap
between the frame of the photovoltaic module
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11
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angle
and the roof is 10cm, and air circulation is
required to prevent damage to the wiring of the
photovoltaic module.
•
The frame of the photovoltaic module will have
the effect of thermal expansion and contraction,
and the spacing between the two adjacent
photovoltaic module frames should not be less
than 10mm during installation.
For specific installation methods, please refer to the
following installation specifications.
6.4 Bolting through the mounting holes
All modules must be securely fastened with at least
4 bolts (As shown in Figure 2, 3, 4, 5, 6, 7, 8, 9).
Figure 2: Bolt installation for 54 cell
Figure 3: Bolt installation for 60 cell
Figure 4: Bolt installation for 66 cell
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