Main Circuit Terminal:
The main circuit terminals function description is as follows:
Control Circuit Terminal
Control circuit terminals
For solar pumping system, Dual DC circuit breaker must be installed between PV array and SP200 PV Pump Controller. Connect the cable of the bottom part of dual DC breaker marked as "+" and "-" to SP200 PV Pump Controller wiring terminals "+" and "-".
R、S、T terminals has the feature of protection against reverse polarity, DC power can connect to R、S、T terminals, and don't need to consider the phase sequence.
Junction box connection
If the solar panels series parallels is too many, then junction box is required to converge the current of the solar array. Junction box is required to install fuse, surge protector, DC switch within it. Fuse and DC switch is helpful to protect from short circuit, surge protector has the effect of lighting protection along DC side. Junction box must be sealed and waterproof.
The ground terminal on the controller (E) is marked as an icon, please connect to ground, if motor fails, proper grounding helps eliminate electric shock risk.
Connect the 4 wires of the cable to controller's U,V,W,E terminals from the motor. Motor international wiring diagram is as following 9. Check the motor wiring to make sure the installation is correct.
If the pump reverse, then please reverse any 2 wires.