4 Compressors packaged unit controller

1-4 compressors package AC unit /chiller controller.
Auto restarts function, support remote control function.
*Support software download function.
*Support timer On/Off function, password protection function.
*Compressor motor protection and compressor current overload protection.
*Built-in phase sequence/phase loss protection; Trial run function; Memory function
*Supply air temp high or low protection; Probes faults protection
*Built-in compressor current detection, no need overload protector
*Strong stability, 0.15-80MHz interference rejection, 4KV high voltage and surge resistance
*SMT technology, 48 hrs burn-in test for ensuring quality
*MODBUS-RTU RS485 Widely-used communication protocol, up to 1km max distance (Gateway Free);
*PCB Surface painted with CRC, avoid leakage, short circuit, and erosion from acid/ alkali/ alcohol/ humidity/salt spray;
*Featured with tension and torsion resistance probe, long working life
*Wide voltage range, avoid misoperation caused by voltage fluctuation
*Control logic implemented on the control board. Continue working even HMI has fault.