Goods Description: ■ multi-purpose, complete function With function of refrigerating, heating and hot water, provide hot water freely under the refrigeration condition. ■ High efficient heat exchanger Using high efficient copper tube / plate heat exchanger, high efficient and stable. ■ Intelligent control LCD wiring controller, complete function and protection, can be converted into various models to ensure security and stability. ■ Multi-protection Unit with phase sequence, water flow, freezing, high, low voltage and over-temperature, over current of compressor protection and so on.