Hitachi SAMURAI CLG2, Manual, Page: 15 / 118

Features and Benefits
Technical Catalogue
2
15
TCGB0051 rev 0 - 09/2009
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TWIN SCREW COMPRESSOR
By having so few moving parts, it has become highly reliable with very low noise level and low vibration
LOW VIBRATION
Reciprocating
Screw
AMPLITUDE (µm)
Time (second)
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PRINCIPLE OF COMPRESSION
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CONTINUOUS CAPACITY CONTROL
HITACHI´s Continuous Capacity Control system uses advanced electronic controls to position the infinitely variable
slide valve within each compressor.
This modulation allows exact load control and accurate chilled water temperature without the need for expensive
inverters.
COOLING LOAD %
Cooling load = continuos capacity control
Step
control
TIME (Hour)
Suction Port
Discharge Port