Ingersoll-Rand Sierra L 250 User Manual

SL, SM & SH 90, 110, 132, 150, 200, 250 & 300 (50Hz)
L, H & HH 125, 150, 200, 250, 300, 350 & 400 (60Hz)
This manual contains
important safety information
and must be made available
to personnel who operate and
maintain this machine.
OPERATION AND MAINTENANCE MANUAL
LIBRO D’USO E MANUTENZIONE
MANUAL DE MANEJO Y MANTENIMIENTO
MANUAL DE OPERAÇAO E CONSERVAÇAO
C.C.N. : 80441306
REV. : D
DATE : JANUARY 2010
en pt it es
ENGLISH
PRINT LANGUAGE
PORTUGUESE
SPANISH
ITALIAN

Ingersoll-Rand Sierra L 250 Specifications

General

Type	Rotary Screw
Maximum Pressure	125 psig
Cooling Method	Air Cooled
Voltage	460 V
Phase	3
Frequency	60 Hz

Summary

Decals

Safety Procedure Decals

Decals related to safety procedures and warnings.

Hazard Warning Decals

Decals warning about moving parts, hot surfaces, and fan blades.

Operational Safety Warnings

Decals warning about electrical hazards, pressurized vessels, and flammable liquids.

Prohibitory Decals

60Hz Specific Hazard Decals

Decals warning about moving parts, hot surfaces, voltage, and high pressure.

60Hz Specific Notice & Caution Decals

Safety

Safety Information Levels

Differentiates DANGER, WARNING, CAUTIONS, and NOTES for safety.

Breathing Air Precautions

Guidelines for using compressed air for breathing.

General Safety Practices

Compressed Air Safety

Hazards of compressed air and safe handling.

Electrical Safety

Precautions for electrical systems and connections.

Installation / Handling

Location in Plant

Commissioning Steps

Procedures before initial machine startup.

Multi-Compressor Isolation

Electrical Connection Requirements

Guidelines for sizing feeder cables and voltage compatibility.

Water Quality Recommendations

Rotation Check Warning

Caution against operating the compressor in the wrong rotation.

Drive Motor Rotation Check

Panel Removal Caution

Fan Motor Rotation Check

Electrical Data Requirements

Notes on electrical isolators, cables, and voltage.

Insulation Resistance Test Caution

Operating Instructions

Control Panel Layout

Overview of the INTELLISYS control panel buttons and indicators.

Emergency Stop Function

How to use the emergency stop switch.

Basic Operation Buttons

Display Screen Layout

Current Status Screen

Main Menu Navigation

Operator Setpoints Configuration

How to adjust operating setpoints like pressure and lead/lag.

Options Configuration

Sensor Calibration Procedure

Steps for calibrating sensors after replacement.

Alarm History Display

How to view past alarms and associated conditions.

Warning Message Display

Alarm Message Display

How alarm conditions are displayed and indicated.

Alarm and Warning Reset

Procedure for resetting alarms and warnings.

Specific Alarm Descriptions

Detailed explanations of various alarm conditions.

Prior to Starting Checklist

Essential checks before machine startup.

Decommissioning Procedures

Maintenance

Routine Maintenance Chart

Schedule of periodic maintenance tasks and intervals.

General Maintenance Precautions

Safety advice before performing any maintenance work.

Air Filter Change Procedure

Steps for replacing the air filter element.

Oil and Oil Filter Change

Procedure for changing oil and filter element.

Compressor Module Shaft Seal Replacement

Detailed steps for replacing the input shaft seal.

Motor Bearings Lubrication

Trouble Shooting

Compressor Fails to Start Troubleshooting

Remedies for issues preventing compressor startup.

Compressor Shuts Down Troubleshooting

Remedies for common shutdown causes.

High 2nd Stage Temperature Issue

Troubleshooting steps for high second stage temperature.

High I/C Press, Unload Issue

Troubleshooting steps for high intercooler pressure when unloaded.

Inlet Restriction Issue

Troubleshooting steps for air intake obstructions.

Low Bearing Oil Pressure Issue

Troubleshooting steps for low bearing oil pressure.

High I/C Press, Loaded Issue

Troubleshooting steps for high intercooler pressure when loaded.

High 1st Stage Temperature Issue

High Bearing Oil Temperature Issue

High I/C Air Temperature Issue

High 2nd Stage Pressure Issue

Starter Fault Troubleshooting

Motor Overload Troubleshooting

High Condensate Level Issue

Check Set Points Issue

Control Power/Phase Issue

Remote Control Failure Troubleshooting

Emergency Stop Fault

Sensor Failure Troubleshooting

Low System Air Pressure - Unload Mode

Troubleshooting low pressure when compressor is unloaded.

Low System Air Pressure - Air Leak

Troubleshooting low pressure due to air leaks.

Unloading Valve Not Fully Open

System Demand Exceeds Delivery

Dirty Air Filter Element Issue

Compressor Fails to Load Troubleshooting

Remedies for when the compressor does not load.

Water in System Troubleshooting

Excessive Noise Level Troubleshooting

Excessive Vibration Troubleshooting

Pressure Relief Valve Opens Troubleshooting

Remedies when the pressure relief valve opens.