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A. Installation notes
• Before installation, please read the installation section to be familiar with the installation steps.
• In the vicinity of the battery avoid placing metal objects in case of battery short circuit.
• During charging battery may produce acid gas, please ensure good ventilation environment.
• Only the lead-acid battery which is in the controller range can be charged.
• Outdoor installation should avoid direct sunlight and rain infiltration.
• When installed in the cabinet, there should be enough space for heat dissipation. Because the
controller will generate high heat during operation. Don’t put the controller and the opening lead-
acid battery in the same cabinet. Because the opening lead-acid battery will generate acid gas during
operation which may corrode the controller.
• The virtual joint and corrossive wire may cause a great amount of heat. It can melt the insulation
layer of the wire, burn the surrounding material, or even cause a fire. Thus please ensure that all the
connections are tight. Preferably wires are fixed with ties to avoid connection loose while moving the
device.
• When using in parallel operation, ensure that each controller has an independent photovoltaic
connection.
B. Connection Method
Picture 7 Drawing of complete controller
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