Compressor Operation; Drive And Control; Figure 3 Direct Drive System - Hertz HDD Series Instruction Manual

COMPRESSOR OPERATION

3.2 Compressor Operation
HERTZ HDD and HVD Direct Drive Series which is the screw air compressor series of HERTZ that is
built with quality components and durability that has been proven for years.

3.2.1 Drive and Control

HERTZ HDD and HVD Direct Drive Series compressors are powered by an electric motor which
provides the mechanical drive force required for the screw unit to produce the compressed air. This
system comprises of a frame, motor, screw unit, flexible coupling.
HERTZ HDD and HVD Direct Drive Series compressors are operated and controlled by an electronic
control system. Satisfying any applicable legal conditions, this control system is under the liability of
HERTZ COMPRESSOR.

Figure 3 Direct Drive System

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