Hitachi UTOPIA RAS-4HVRP2E - Rotary Compressor

8 Electrical checks of main parts
Rotary compressor
SMGB0136 rev.0 - 07/2021
173
8
8.7 Rotary compressor
• Low vibration and low noise design
• (i) The twin rotor crankshaft is arranged in a symmetrical type, which counteracts the centrifugal force produced by
the rotation, and the vibration is smaller.
• (ii) Unique low noise structure design, and high efciency DC motor is adopted. The operation can be smooth and low
noise at the full frequency.
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Compression principles
Vane
Cylinder
Roller
Suction Pipe
Discharge Pipe
Frame
Motor