Chiller controller

 

Compatible A/C types
	Air cooled chiller/heat pump, Water cooled chiller/heat pump, Air to air package unit, Water to air package unit

*Built-in phase sequence/phase loss protection;
*Two steps anti-freeze and intelligent defrost;
*Trial run and off memory function;
*Condenser fan is directly controlled without additional pressure control switch;
*Support auto restart function and terminal chain control;
*With timer ON/OFF, service remind and lock function
*Liquid circuit valve control, enhance the safety for compressor operation;
*Compressor delay function and auto balance spoilage for multi compressors;
*Compressor motor protection, high/low pressure protection;
*Built-in compressor current detection, no need overload protector;
*High/low temperature protection for inlet/outlet water
* probe lost protection;
*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.