74. Electric wiringPower board VASCO Solar SIZE 1DC Input:LINE: L1, L3, GNDIt is recommended to use cablelugs.It is not necessary to respectpolarity.Motor output:MOTOR: U, V, W, GNDIt is recommended to use cablelugs.12 V dc auxiliary fans (wallmounting kit)VENT: +, -WARNING: respect the polarity.Cable stripping recommended for line input and output to the motor.