SL1802-ST the controller controls the speed regulation of the inverter compressor through the temperature in the cabinet and PID algorithm. Can be connected to two speed-regulating fans and detect feedback;
1.4 Control board power input requirements
DC input: 48VDC (±20%)
Maximum current: 8A
1.5 DC load requirements of the control board
Load type: DC brushless fan load;
Number of loads: Each board has 2 fan sockets, which are divided into internal fan sockets and external fan sockets;
Internal fan socket: the maximum output power of each socket is 50W;
Outer fan socket: the maximum output power of each socket is 50W;
Load control mode: PWM speed regulation, speed feedback.