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Gardner Denver AUTOSENTRY EAQ99Q User Manual

Gardner Denver AUTOSENTRY EAQ99Q
75 pages
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13-9-666
Version: 02
July 20, 2009
ELECTRA-SAVER
ELECTRA-SAVER II
STATIONARY BASE-MOUNTED
COMPRESSOR
AUTOSENTRY
®
-- ES+ CONTROLS
DOMESTIC MODELS
EAQ99Q, EBQ99M - 125, 150, 200 HP
EAU99Q, EBU99C - 200 HP
INTERNATIONAL MODELS
EAQ99R - 100, 125, 150 HP
(75, 93, 112 KW)
EBQ99N - 125, 150 HP
(93, 112 KW)
EBU99D - 200HP
(150 KW)
OPERATING AND
SERVICE MANUAL

Table of Contents

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Gardner Denver AUTOSENTRY EAQ99Q Specifications

General IconGeneral
BrandGardner Denver
ModelAUTOSENTRY EAQ99Q
CategoryAir Compressor
LanguageEnglish

Summary

General Information

Compressor Description

Explains the Gardner Denver Rotary Screw compressor as a single-stage, positive displacement rotary machine.

Compression Principle

Details the mechanical process of air compression using meshing helical rotors in the cylinder.

Air Flow in the Compressor System

Outlines the path of air from the inlet filter through the system to the plant air lines.

Lubrication, Cooling, and Sealing

Describes how oil is circulated for lubrication, cooling, and sealing of internal components.

Turn Valve Operation (Electra-Saver)

Explains the function of the helical turn valve in varying compressor volume for part-load efficiency.

Installation Procedures

General Installation and Handling

Covers initial inspection for damage and proper handling during installation.

Lifting Unit Safety Precautions

Details safe methods for lifting and moving the compressor package, emphasizing base lifting.

Location and Ventilation Requirements

Specifies ideal placement in a clean, well-lit, ventilated area with proper air inlet/outlet.

Foundation and Mounting Guidelines

Recommends a smooth, solid surface for mounting, with considerations for temporary installations.

Cold Weather Installation Recommendations

Provides guidelines for operating in low temperatures, including shelter and heating.

Inlet and Discharge Piping

Covers requirements for inlet line length and discharge service line connections.

Water Piping and Connections

Details water inlet/outlet connections for water-cooled heat exchanger models.

Electrical Wiring and Grounding

Explains standard unit wiring and the critical importance of proper grounding for safety.

Starting and Operating Procedures

Pre-Start-Up Checks

Essential steps before initial operation, including oil level checks and filter replacement.

Unit Starting and Stopping

Outlines procedures for starting the unit in both cold and hot conditions, and normal shutdown.

Daily Operational Checks

Lists routine checks to ensure proper operation and identify potential issues.

Controls and Instrumentation

General Description and AutoSentry Operation

Overviews the control system, its components, and the AutoSentry operation modes.

Key Control Devices and Components

Details essential devices like the controller, relief valve, and starter components.

Pneumatic and Solenoid Valve Systems

Explains the function of pneumatic valves, solenoid valves, and regulators in control circuits.

System Sensors and Indicators

Describes sensors like transducers, thermistors, and switches monitoring system parameters.

Compressor Capacity Control Mechanisms

Details how turn valves and inlet valves adjust compressor capacity.

Lubrication, Oil Cooler, Oil Filter, and Separator

Compressor Oil System Overview

Describes the circulation of oil for cooling, lubrication, and sealing within the compressor.

Recommended Lubricants and Specifications

Details Gardner Denver's AEON lubricants and their properties for optimal performance.

High Temperature Operation and Moisture Control

Addresses operating limits at high temperatures and preventing moisture accumulation in the oil.

Cooler Assembly and Piping

Covers installation procedures for remote coolers and piping considerations.

Oil Addition and Level Monitoring

Guides on checking and adding oil, emphasizing correct levels and avoiding overfilling.

Oil Change Intervals

Provides recommended intervals for changing oil based on discharge temperature and conditions.

Compressor Oil Filter Maintenance

Details the procedure for replacing the oil filter element and its importance.

Oil Cooler Types and Operation

Explains radiator-type and water-cooled heat exchangers and their functions.

Oil Separator Function and Maintenance

Describes the oil separator's role and how to service it, including pressure differential checks.

Compressor Oil System Checks

Lists key readings and differentials to check for proper oil system operation.

Air Filter Maintenance

Heavy-Duty Air Filter Description

Details the standard heavy-duty, washable element air filter and its importance.

Air Filter Element Service Procedure

Step-by-step guide for cleaning or replacing the air filter element.

Air Filter Element Life and Replacement

Criteria for determining when the filter element needs replacement, including visual inspection.

Coupling Installation and Maintenance

Coupling Assembly onto Motor and Airend

Instructions for correctly assembling the coupling halves and securing them.

Coupling Alignment and Element Replacement

Covers permanent alignment and procedures for replacing the coupling element.

Maintenance Schedule

Service Check List Summary

Provides a quick reference of maintenance tasks based on operating conditions.

Scheduled Maintenance Intervals

Details recommended maintenance actions at specific hour intervals and annually.

Troubleshooting Guide

Compressor Failure to Start

Lists common causes and remedies for the compressor failing to start.

Compressor Stops Abruptly

Addresses issues causing the compressor to stop shortly after starting.

Load/Unload and Delivery Issues

Troubleshoots problems related to compressor loading, unloading, and pressure output.

Oil Consumption and High Temperature

Covers causes and solutions for excessive oil consumption and high discharge air temperatures.

Oil Carryover Issues

Explains causes of oil carryover and corrective actions to resolve them.

Warranty Information

General Provisions and Limitations

Outlines general terms, conditions, and exclusions of the warranty.

Warranty Periods by Component

Specifies the duration of warranty coverage for different parts like airends and motors.

Labor, Transportation, and Disclaimer

Details labor coverage, transportation costs, and the warranty disclaimer.

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