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**10N)/150V(MSC **15N) at the lowest environmental temperature, the
controller may be damaged.
According to the "Peak Sun Hour's diagram," if the power of the PV array exceeds
the rated charging power of the controller, the charging time as per the rated power
will be prolonged. More solar energy can be obtained to charge the battery. However,
in the practical application, the maximum power of the PV array shall be not higher
than 1.5 times the rated charging power of the controller. If the maximum power of
the PV array exceeds the rated charging power of the controller too much, the power
of the PV array will be wasted, and the open-circuit voltage will also increase. The
probability of damage to the controller may increase. For the recommended
maximum power of the PV array for this controller, please refer to the table below:
3.3 Wire size
The wiring and installation methods must conform to the national and local electrical
code requirements.
PV wire size
Since the output of the PV array can vary with the PV module's size, connection
method, or sunlight angle, the minimum wire size can be calculated by the short
circuit current(ISC) of PV array. Please refer to the value of ISC in the PV module
specification. When PV modules connected in series, the total ISC is equal to any PV
module's ISC. When PV modules connected in parallel, the total ISC is equal to the
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