product features:

1. Safety: water and electric separately. 
2. Anti-corrosion: plastic case, coated steel or sus304# stainless steel case are available. 
3. World famous brand compressor, 4-way valve, motor, PCB, titanium heat ex-changer,Emerson ALCO expansion valve used to ensure top quality an high efficiency(cop more than 6.0). 
4. Convenient: intelligent microprocessor with touch screen display. trouble shoot shows on display board automatically. 
5. World famous brand compressor, 4-way valve, motor, PCB, heat ex-changer, Emerson ALCO expansion valve used to ensure top quality an high efficiency(energy-saving as much as 75%). 
6. Multiple protection function: high pressure, low pressure, overheating, overload anti-freezing, phase sequence, discharge temperature, suction temperature and so on. 
7. All weather operation: stable operation without being influenced by weather. 
8. Refrigerant of r22, r407c, r134a are for optional. 
9. Automatically defrosting function included.