*optional refrigerant and power supply *with water tank, pump, supply total cooling water system *High efficiency, energy saving *Convenient installation, intelligent defrost *optional refrigerant,power supply *for plastic production process *high efficiency,easy install *total cooling water system *for central air conditioning *supply hot/cold water *optional refrigerant, power supply *high efficiency, easy install . *flooded evaporator, high efficiency *energy efficiency rate 5.45 *comprehensive security protection *optional refrigerant, power supply