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1.2.2 Double EEVs control 
The double EEVs control the 2 stages heat exchanger separately, which can adjust the condenser volume  and optimize 
system performance.
1.2.3 Energy Saving: Heat recovery between different refrigerant system 
Heat recovery is achieved within the water loop among different refrigerant systems, higher whole system efficiency 
due to cooling and heating simultaneously in different refrigerant systems.
1.2 Feature
1.2.1 User friendly outdoor structure
Compact inner structure and core parts.