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Gardner Denver EBM Series User Manual

Gardner Denver EBM Series
76 pages
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GARDNER DENVER@
13-9/1 0-641
7th Edition
May, 1995
ELECTRA-SAVER@
ELECTRA-SAVER Il@
STATIONARY BASE-MOUNTED
COMPRESSOR
DOMESTIC MODELS
40- IOOHP
EBH, EBM, EBP & EAP
INTERNATIONAL MODELS
EBM B - 60-100 HP(45-75K~
--
OPERATING AND
SERVICE MANUAL

Table of Contents

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Gardner Denver EBM Series Specifications

General IconGeneral
BrandGardner Denver
ModelEBM Series
CategoryCompressor
LanguageEnglish

Summary

Compressor Parts and Support Services

Remanufactured Air Ends Program

Details on Gardner Denver's factory remanufactured air ends exchange program.

Foreword and Safety Symbols

Safety Warning Symbols Defined

Defines DANGER, WARNING, CAUTION, and NOTICE symbols used throughout the manual.

General Information and Safety

Compression Principle Explained

Describes the rotary screw compression process with helical rotors.

Lubrication, Cooling, and Sealing Process

Explains how oil is used for lubrication, cooling, and sealing rotors.

Safety Precautions and Decals

General Safety Precautions (DANGER)

Critical warnings about electrical shock, pressure, and rotating machinery.

Equipment Damage Warnings (WARNING)

Warnings regarding equipment damage from improper operation or safety bypass.

Hazard Identification Decals

Illustrations and explanations of various DANGER and WARNING decals.

Installation Guidelines

Proper Lifting and Handling Procedures

Safety instructions and methods for safely lifting the compressor unit.

Installation and Cold Weather Operation

Cold Weather Operation Strategies

Cold Weather Operation (Above -12°C)

Recommendations for operating in cold weather, including heating and shelters.

Extreme Cold Weather Operation (Below -40°C)

Additional precautions for sub-zero temperatures, like shutters and heat.

Water Cooling System Configuration

Electrical Wiring and Motor Lubrication

Electric Motor Lubrication Procedures

Detailed steps and recommendations for lubricating motor bearings.

Motor Lubrication Intervals

Starting and Operating Procedures

Prestart-Up Checks and Servicing

Essential checks for oil level, air filter, coupling, and piping before operation.

Motor Rotation and Safety Checks

Procedures for verifying motor rotation and associated safety warnings.

System Pressure and Unit Operation

Controls and Instrumentation Overview

AUTO SENTRY-ES Controller Description

General description of the microprocessor-based controller and its functions.

AUTO SENTRY-ES Operating Modes

Explanation of Constant Run, Low Demand, Automatic, and Sequence modes.

Service Advisories and Protective Shutdowns

Protective Shutdown Causes and Actions

Details on shutdowns for motor protection, high temperature, and phase imbalance.

Control System Faults and Settings

AUTO SENTRY-ES Controller Programming

General Programming and Setup Procedures

Steps for navigating and adjusting controller settings via the keypad.

Controller Configuration Parameters

Sequencing Compressors with AUTO SENTRY-ES

Establishing the Initial Sequence

How the master/lag sequencing algorithm is established.

Dynamic Setpoint Control in Sequencing

How setpoints are dynamically adjusted for effective compressor sequencing.

Sequence Control and External Connections

Inlet Valve and Control Air Systems

Compressor Capacity Control

Lubrication, Oil Cooler, Filter, and Separator

Compressor Oil System Components

Overview of the oil system including cooler, filter, and separator.

Air Filter and Cooler Maintenance

Oil Level and Change Intervals

Oil System Draining and Filling

Oil Filter and Carry-Over Issues

Troubleshooting Excessive Oil Carry-Over

Identifies causes and remedies for excessive oil consumption and carry-over.

Thermostatic Mixing Valve and Water Cooling

Oil Separator and System Checks

Oil Separator Servicing and System Checks

Air Filter Maintenance

Coupling Installation and Alignment

Maintenance Schedule and Service Checks

Maintenance Action Schedule and Intervals

Chart detailing maintenance actions and their recommended intervals.

Compressor Troubleshooting

Troubleshooting: Start Failures and Stops

Causes and remedies for compressor failing to start or stopping shortly after.

Troubleshooting: Loading, Unloading, and Cycling

Resolving issues with compressor loading, unloading, and rapid cycling.

Performance and Oil Consumption Issues

Troubleshooting Low Delivery Pressure

Diagnosing and resolving issues of low delivery pressure and high discharge temperature.

Troubleshooting Excessive Oil Consumption

Identifying causes and solutions for excessive oil consumption and carry-over.

Oil Carry-Over Troubleshooting

Addressing Oil Carry-Over Issues

Further causes and remedies for oil carry-over, including temperature and valve failures.

Troubleshooting AUTO SENTRY ES Controller

Advisory Troubleshooting Guide

Actions needed for advisories such as filter, separator, and oil changes.

Controller Shutdown Troubleshooting

Fan and Overload Shutdown Troubleshooting

Resolving shutdowns related to fan operation, overloads, and start errors.

Temperature and Pressure Related Shutdowns

Troubleshooting shutdowns caused by high temperature or pressure limits.

Controller Shutdown Troubleshooting (Continued)

Vibration, Oil Pressure, and Motor Overload Shutdowns

Troubleshooting shutdowns for high vibration, low oil pressure, and motor overload.

Controller Fault Diagnosis

Thermistor and Transducer Fault Troubleshooting

Actions for shutdowns related to thermistor and transducer open/short circuits.

Controls Troubleshooting Guide

Troubleshooting Remote Stop, Shutdown, Loading, Modulation

Diagnosing issues with remote stop, shutdown, loading, and modulation.

Troubleshooting Pressure, Sequencing, and Oil Pressure

Addressing erratic pressures, sequencing instability, and low oil pressure.

General Provisions and Warranty Information

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