10
2 Installation
2.1 Attentions
Be very careful when installing the batteries, especially flooded lead-acid
batteries. Wear eye protection, and have fresh water to rinse if there is any
contact with battery acid.
Keep the battery away from any metal objects, which may cause a short circuit of
the battery.
Explosive battery gases may come out from the battery during charging, so make
sure the ventilation condition is good.
For outdoor installation, keep out of the direct sunshine and rain infiltration.
Loose connections and corroded wires may produce high heat that can melt wire
insulation, burn surrounding materials, or even cause a fire. Ensure tight
connections, use cable clamps to secure cables, and prevent them from swaying
in the mobile application.
The controller can work with lead-acid and lithium batteries within its control
scope.
The battery connection may be wired to one battery or a bank of batteries. The
following instructions refer to a singular battery. However, it is implied that the
battery connection can be made to either one battery or a group of the battery
bank.
Select the system connection cables according to the current density no greater
than 5A/mm
2
.
2.2 PV Array Requirements
Serial connection (string) of PV modules
As the core component of the solar system, the controller could be suitable for various
types of PV modules and maximize converting solar energy into electrical energy. The
series number of different PV modules can be calculated according to the open-circuit
voltage (Voc) and the maximum power point voltage (Vmpp) of the MPPT controller.
The below table is for reference only.
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