Hitachi HISCREW OSP-22M6ARI User Manual

What Marks Say:
INSTRUCTION MANUAL
●
This manual expresses the matters that need your attention as below.
●
Do not fail to observe “WARNING” and “CAUTION,” as they assume considerable
importance to safety.
: This is a warning. This assumes possible
death or severe injury to the operator if
handled wrongly.
: This is a caution. This assumes possible
injury to the operator and physical
damage, if handled wrongly.
: This means the things that need attention
other than WARNING and CAUTION.
MEMO
WARNING
: This means prohibition.
: This means convenient information
to know.
: This shows reference page number.
: This shows the information specific to
the models with a built-in air dryer.
IMPORTANT
☞
CAUTION
HITACHI ROTARY SCREW COMPRESSOR
Air-Cooled Type,
Before you start operating, be
sure to read this manual carefully
in order to operate the machine
safely and properly.
Also, prepare the manual near
the machine to make it available
at anytime, and refer to it as the
need arises.
Model : OSP-22S5AI OSP-22S5ARI
OSP-22S6AI OSP-22S6ARI
OSP-22
M 5AI OSP-22 M 5ARI
OSP-22
M 6AI OSP-22 M 6ARI
OSP-37S5AI OSP-37S5ARI
OSP-37S6AI OSP-37S6ARI
OSP-37
M 5AI OSP-37 M 5ARI
OSP-37
M 6AI OSP-37 M 6ARI
[Without a built-in air dryer] [With a built-in air dryer]
2000 Series

Hitachi HISCREW OSP-22M6ARI Specifications

General

Model	HISCREW OSP-22M6ARI
Motor Power	22 kW
Discharge Volume	3.7 m³/min
Noise Level	68 dB(A)
Discharge Pressure	0.7 MPa
Type	Screw Compressor
Maximum Pressure	0.83 MPa
Dimensions (W x D x H)	1200 x 900 x 1200 mm
Power Supply	380-415V, 50Hz, 3-phase

Summary

To Use in Safety

Parts Description and Their Functions

How to Operate

Air Compressor Instrumentation

How to Use the Digital Monitor and its Controls

Initial Start-Up

Provides step-by-step instructions for the first-time startup of the compressor.

Setting of the Control Functions

Daily Operation

Outlines the procedures for daily operation of the compressor.

Daily Check

Lubricant Management

Troubleshooting

When ALARM or SHUTDOWN is Displayed

Guides users on identifying and responding to alarms and shutdown indications.

SHUTDOWN/ALARM Indications on the Instrument Panel

Provides a detailed table of error codes, causes, and corrective actions for alarms and shutdowns.

A List of SHUTDOWNS Not Displayed on Instrument Panel

Lists symptoms, causes, and solutions for shutdowns not indicated on the instrument panel.

System of Each Component

Compressed Air/Lubricant System

Capacity Control System

Instructions for Installation

Instructions When Installing

Instructions When Piping

Instructions on Electrical Wiring

Outlines the procedures and safety precautions for electrical wiring.

Periodic Maintenance

Periodic Maintenance for Compressor

Maintenance Standards (A)

Lists scheduled maintenance tasks and intervals for annual run hours under 6,000.

Maintenance Standards (B)

Lists scheduled maintenance tasks and intervals for annual run hours under 3,000.

Replacement of Oil Filter Element

Provides instructions for replacing the oil filter element.

Cleaning and Replacement of Air Intake Filter Element

Details how to clean or replace the air intake filter element.

Inspection and Replacement of Minimum Pressure / Check Valve

Covers inspection, adjustment, and replacement of the minimum pressure/check valve.

Replacement of Oil Separator Element

Provides instructions for replacing the oil separator element.

Inspection of Belt