![]() ![]() The solar module voltage in the system should not be lower than the system voltage. WARNING: Risk of Electrical Shock! Photovoltaic arrays can generate very high voltages and care must be taken when wiring to avoid electric shock.Ĭonnect the solar panel to the solar controller, which is available in 12V, 24V and 48V, noting that the rated voltage of the solar controller should be lower than the input voltage of the solar panel. Do not connect the fuse during installation.Īfter installation, confirm that the fuse is properly connected.Įach load circuit has a separate fuse and all load currents cannot exceed the rated current of the controller when the load is connected through the panel. There may be voltage on the load side, be careful not to short circuit the load during connection.Ī fuse should be connected to the positive or negative wire of the load. The load terminal of the solar controller can be connected to a DC power source that has the same operating voltage as the rated voltage of the battery, and the controller will supply power to the load at the battery voltage.Ĭonnect the load’s positive and negative terminals to the controller’s load terminals. Before turning on the fuse, please confirm that the cable is connected correctly. When installing the fuse, the maximum distance between the fuse and the positive battery terminal should be >150 mm. When the controller is first started, the battery system voltage detection is an automatic process. Make sure the battery voltage is not lower than 18V if the system is 24V. Make sure the battery voltage is higher than 6V if system is 12V, then start the controller before connecting the battery to the solar system. Note: Fire and explosion may occur if the positive and negative terminals of the battery are short-circuited. ![]() Let’s Connect the solar energy system one by one. Solar Panel Charge Controller Wiring Diagram solar-panel-charge-controller-wiring-diagram Solar Power System Wiring Stepsīroadly, there are 5 steps for you to wiring the solar power system Solar Panel Charge Controller Wiring Diagram and Step-by-Step Installation Guide for Off-Grid Solar Power System Wiring.Ĭonnecting the solar panel charge controller ( MPPT or PWM are the same), solar battery and PV array in the right way is the essential work before enjoying the solar energy. Solar Panel Charge Controller Wiring Intro
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