This newly developed operating system controls the refrigerant flow rate inside the refrigerant
circuit by adopting two control technology, namely, compressor capacity control technology and
power balance control technology. Therefore, it can be operated at an optimum refrigerant flow
rate and high efficiency.
Compressor capacity control is realized by using various
combinations of three compressors with different capacity.
This control method can not only provide a wide range of
refrigerant flow rate that is suitable for indoor units but also
is more efficient than inverter system.
Moreover, the refrigerant flow rate of each compressor step
can be adjusted because the density of the gas that is
sucked into compressor is also controlled.


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