Characteristics of this Manual
●
This manual serves daily operators and maintenance personnel of the compressor as an
instructive materials including its introduction, operation, daily control and periodic ser-
vicing.
●
Before installation of the compressor, read the manual carefully and understand its con-
tent and follow the instructions given by it when in use.
Also, prepare the manual near the machine to make it available at anytime, and refer to it
as the need arises.
●
If you have anything unclear or any question, please ask your dealer or your nearest
Hitachi regional office.
●
It is convenient for ordering spare part, periodic maintenance and overhaul if type and
serial number of the compressor are filled into the back cover of the manual.
■ International System of Units (SI):
For the unit of pressure the International System of Units (SI) is used throughout this
manual. To convert it into the conventional system of units, use the following conversion
formula:
7 kgf/cm
2
= 0.69 MPa or 1 kgf/cm
2
= 0.098 MPa
■ Description of Type
Never remove a protective device from the air compressor or
modify the air compressor.
Never fail to install an earth leakage circuit breaker on the power
cable. It prevents a ground fault burning accident.
Never use the A as a respiratory appliance by which a
person breathes the compressed air directly.
WARNING
OSP-22S5ARI
Type I (2000 Series)
With a built-in Air Dryer
Air Cooled Type
Frequency (5:50Hz, 6:60Hz)
S: I-Type Control, M: P-Type Control
Output (kW)
Oil Flooded Type
SCREW Type
Package Type
● Hitachi may make improvements and/or changes in the products described in this publication at any time without notice.
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