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Gardner Denver AUTO SENTRY EAU99P User Manual

Gardner Denver AUTO SENTRY EAU99P
72 pages
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13-10-615
Version: 03
July 31, 2009
ELECTRA-SAVER
STATIONARY BASE-MOUNTED
COMPRESSOR
AUTO SENTRY
®
-- ES+ CONTROLS
DOMESTIC MODELS
EAU99P – 200, 250, 300 HP
INTERNATIONAL MODELS
EAU99R, EAU99S – 150, 186, 225 KW
OPERATING AND
SERVICE MANUAL

Table of Contents

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Gardner Denver AUTO SENTRY EAU99P Specifications

General IconGeneral
ModelAUTO SENTRY EAU99P
Power SourceElectric
Maximum Pressure175 PSI
Tank Size80 Gallons
Voltage230 V

Summary

General Information

Compression Principle

Explains how compression is achieved by meshing helical rotors. Details rotor lobe counts.

Air Flow in Compressor System

Describes how air moves through the filter, compressor, and oil reservoir to the plant lines.

Lubrication, Cooling, and Sealing

Details how oil is forced through components for lubrication, cooling, and sealing.

Turn Valve Operation

Explains the rotary helical valve that matches rotor volume to air demand.

Installation Procedures

Lifting Unit Safely

Details proper lifting and transporting methods using provided lifting slots and eyebolts.

Compressor Location Requirements

Specifies requirements for installing the compressor in a clean, well-lighted, and ventilated area.

Cold Weather Installation Guidelines

Recommends shelter heating and provides guidelines for outside installations in cold climates.

Electrical Wiring and Grounding

Explains factory wiring, power connection, and essential grounding for safety.

Starting and Operating Procedures

Pre-Start-Up Instructions

Details pre-start checks including oil level, air filter, coupling, piping, and electrical wiring.

Unit Starting Procedures

Provides procedures for starting the unit in cold and hot conditions, including water valves.

Motor Rotation Check

Checks correct motor and fan rotation using JOG MODE for proper operation.

Controls and Instrumentation

AutoSentry Controller Operation

Explains operating modes like 'READY' and 'AUTOMATIC' for the AutoSentry controller.

Control Devices and Components

Introduces control devices including AutoSentry controller, relief valve, and transducers.

Minimum Discharge Pressure/Check Valve

Explains the minimum pressure valve's role in maintaining pressure and acting as a check valve.

Lubrication, Oil Cooler, Filter & Separator

Recommended Lubricant and Specifications

Recommends AEON lubricants and details specifications for year-round operation.

Moisture in Oil System Issues

Explains how moisture accumulates and its detrimental effects on lubrication and carryover.

Compressor Oil Filter Maintenance

Explains the oil filter's role and the procedure for replacing the filter element.

Oil Separator Maintenance and Gauging

Explains how pressure differential indicates separator condition and when to replace.

Compressor Oil System Checks

Lists normal operating readings for air/oil discharge, oil inlet temp, and pressures.

Air Filter Service

Heavy-Duty Air Filter Description

Describes the heavy-duty washable element dry type air filter and its maintenance importance.

Filter Element Replacement

States element replacement after six cleanings or if visual inspection shows damage.

Coupling Installation and Maintenance

Coupling Assembly Procedure

Provides steps for assembling coupling halves and securing them with set screws.

Coupling Element Replacement

Details steps for removing cap screws and washers to replace the coupling element.

Maintenance Schedule

Service Check List Overview

Provides a list of service actions and their frequency based on operating conditions.

8-Hour Operation Maintenance

Includes checks for oil level, loads/unloads, pressure, temperature, and panel LEDs.

1000-Hour Operation Maintenance

Action required is to change the oil filter element.

8000-Hour Operation Maintenance

Action required is to change the compressor lubricant and flush system if needed.

Yearly Maintenance Actions

Check relief valve and shutdowns for proper operation.

Troubleshooting Guide

Compressor Fails to Start

Lists possible causes like wrong connections, blown fuses, or tripped overload heaters.

Compressor Stops After Short Time

Identifies high discharge temperature or switch malfunction as causes.

Compressor Low Delivery/Pressure

Causes include restricted air filter, sticking inlet valve, or leaks in the air system.

High Discharge Air Temperature

Possible causes: Stuck mixing valve, clogged cooler, or insufficient cooling airflow.

Warranty Information

General Warranty Provisions

Outlines general warranty conditions and limitations, excluding certain product uses.

Warranty Periods by Component

Details warranty periods for Airends, Major Package Components, Motors, and Other Components.

Warranty Disclaimer

Disclaims other warranties; states provided remedy is sole exclusive remedy.

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