Service manual    DM16-01.01.11-01en 
4    Multi DC inverter R410A. Outdoor unit 
2. Features 
 
 
 
 
The hydrophilic fin can improve the heating efficiency at operation mode.
It protects the valves and prevents water from dripping.
4 way valve control 
It is only operated in the heating operation mode except defrosting operation.
Outdoor unit 
Power relay control 
Hydrophilic aluminum fin 
Anti-rust cabinet 
Valve protection cover 
Low noise air flow system 
Discharge pipe temperature protection