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Ingersoll-Rand IRN 20HP User Manual

Ingersoll-Rand IRN 20HP
42 pages
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OPERATION AND MAINTENANCE MANUAL
C.C.N. : 22791511
REV. : A
DATE : AUGUST 2006
Ensure that the operator reads and understands the
decals and consults the manuals before maintenance or
operation.
Ensure that maintenance personnel are adequately
trained, competent and have read the Maintenance
Manuals.
Ensure that the Operation and Maintenance manual is
not removed permanently from the machine.
IRN 15 18.5 kW (20 25 HP)
IRN 22 30 kW (30 40 HP)
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Ingersoll-Rand IRN 20HP Specifications

General IconGeneral
Horsepower20 HP
TypeRotary Screw
Maximum Pressure125 PSI
Phase3
Tank Size120 Gallon

Summary

Foreword

Intended Uses

Outlines the specified conditions and applications for the machine's use.

Decals

ISO Symbols

Explains graphic forms and meanings of standard ISO warning, prohibition, and information symbols.

ANSI Symbols

Explains graphic forms and meanings of ANSI danger, warning, and caution symbols.

Safety

General Safety Information

Covers operator responsibilities, hazards of compressed air, materials, transport, and electrical safety.

Condensate Disposal

Details responsibilities for proper disposal of condensate according to local regulations.

General Information

Wiring Diagrams and Component Key

Presents electrical schematics and a key to identify components and wiring.

Installation and Handling

Unit Dimensions and Layout

Provides diagrams showing unit dimensions and layout with labeled components.

Installation Site and Requirements

Offers guidelines for installation site, unpacking procedures, and handling precautions.

Technical Specifications and Electrical Data

Contains detailed data for compressor, motor, cooling, general, and dryer specifications.

Outdoor Modification Option

Details considerations for outdoor installation and EU directives regarding noise emissions.

Operating Instructions

General Operation and Warnings

Explains basic operation, cooling fan control, and warnings for low demand applications.

Control Panel and Startup Procedures

Describes the LCD display, dewpoint indicator, and steps for starting, stopping, and emergency shutdown.

Status Displays and Setup Menu

Details different status display screens and the setup menu for adjusting settings.

Parameter Settings and Navigation

Covers target pressure, auto stop, VFD mode, scheduled start/stop, and menu parameter access.

Service Screen, Alarms, and Warnings

Explains service access, common alarms, and various warning conditions detected by the system.

Maintenance

Maintenance Schedule and Precautions

Outlines periodic maintenance tasks, routine service, and general safety precautions.

Core Maintenance Procedures

Details procedures for changing coolant filter, topping coolant, air filter, and separator cartridge.

Advanced Maintenance Tasks

Covers cooler cleaning, pressure transducer setting, speed mode conversion, and drain valve maintenance.

Refrigeration System Maintenance

Addresses refrigerant leaks, charging, and characteristics of R134A refrigerant.

Trouble Shooting

Common Operational Problems

Lists common issues like failure to start, shutdown, high/low current, and pressure problems with remedies.

Advanced Troubleshooting Issues

Covers issues like over-temperature trips, coolant consumption, noise, leaks, and pressure relief valve activation.

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