Hitachi

SupercoolingCircuit

Performance improved by high-efficiency plate type heat exchanger.

Optimization of Heat ExchangerHeating

Conceptual Diagram

ExchangerHeating Operation:

The drop in evaporating temperature is prevented by arranging 1 liquid path and 2 gas paths.
Frost build-up is prevented by the sub-cooler located in the lower part.

Cooling Operation:

Cooling ability is enhanced by the sub-cooler.