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Gardner Denver ELECTRA-SCREW EBE DH-15 HP User Manual

Gardner Denver ELECTRA-SCREW EBE DH-15 HP
51 pages
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GARDNER DENVER
ELECTRA–SCREW
STATIONARY
BASE–MOUNTED & TANK MOUNTED
COMPRESSORS
DOMESTIC MODELS
EBE_DH – 15 HP
EBE_EH – 20 HP
EBE_FH – 25 HP
EBE_GH – 30 HP
INTERNATIONAL MODELS
EBEQEJ – 20 HP (15 KW)
EBEQFJ – 25 HP (19 KW)
EBEQGJ – 30 HP (22 KW)
OPERATING AND
SERVICE MANUAL
13–8–609
5th Edition
March, 1997
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Gardner Denver ELECTRA-SCREW EBE DH-15 HP Specifications

General IconGeneral
CategoryCompressor
Horsepower15 HP
TypeRotary Screw
BrandGardner Denver
ModelEBE DH-15 HP

Summary

GARDNER DENVER COMPRESSOR MANUAL

ELECTRA-SCREW STATIONARY COMPRESSOR SERIES

Overview of Electra-Screw stationary base-mounted and tank-mounted compressors.

FOREWORD

Understanding Safety Hazard Levels

Explains DANGER, WARNING, CAUTION, and NOTICE meanings for hazard communication.

SECTION 1 GENERAL INFORMATION

Compressor Design and Operation

Details the meshing helical rotors and compression cycle of the compressor.

Air System Flow Path

Describes the path of air through the compressor system components.

Oil System Functions

Explains the role of oil in cooling, lubricating, and sealing the compressor.

SAFETY PRECAUTIONS

General Safety Rules and Electrical Safety

Essential safety measures including electrical, grounding, and lockout/tagout procedures.

SAFETY DECALS

Danger and Warning Labels

Identifies critical danger and warning labels related to operation and hazards.

SECTION 2 INSTALLATION

Unit Handling and Placement

Covers unit inspection, lifting, and placement recommendations.

Location and Air Cooling Requirements

Specifies ideal installation locations and airflow needs for air-cooled units.

Cold Weather and Enclosure Installation

Guidance for installing units in cold climates and enclosure considerations.

INSTALLATION GUIDELINES

Control Piping and Electrical Connections

Details control piping requirements and standard electrical wiring connections.

Grounding and Motor Lubrication

Covers essential grounding procedures and electric motor lubrication recommendations.

SECTION 3 STARTING & OPERATING PROCEDURES

Pre-Operation Checks and Setup

Steps for checking oil, filters, piping, electrical, and grounding before operation.

Unit Startup and Shutdown Procedures

Guides on how to start the unit in cold and hot conditions and how to stop it safely.

SECTION 4 CONTROLS & INSTRUMENTATION

Control System Functionality

Describes the standard control system for load/unload and lead/lag operations.

Protective Devices and Sensors

Explains overload protection, differential pressure monitoring, and temperature sensing.

Inlet and Blowdown Valve Operations

Details the operation of the inlet valve and blowdown valve.

CONTROL SYSTEM COMPONENTS

Air Control Component Descriptions

Describes components like inlet valve, blowdown valve, and minimum pressure/check valve.

Starter Box and Controller Elements

Details the hourmeter, Auto-Sentry S controller, and emergency stop pushbutton.

CONTROL MODES AND INDICATORS

Operating Mode Selection Buttons

Explains the function of CONSTANT RUN, AUTO LEAD, and AUTO LAG buttons.

Control Panel Status LEDs

Describes the meaning of LEDs like HIGH TEMPERATURE, MOTOR OVERLOAD, CHANGE SEPARATOR, CHANGE AIR FILTER.

CONTROL READOUTS AND PROGRAMMING

Interpreting Pressure & Temperature Displays

Explains how to read pressure/temperature displays and error messages.

Programming Load and Unload Setpoints

Step-by-step guide to programming the unit's load and unload pressure setpoints.

ADVANCED CONTROL FEATURES

Lead-Lag Operation for Multiple Units

Instructions for setting up and operating two compressors in a lead-lag configuration.

Subtractive Pilot Adjustment

Explains the function and adjustment of the subtractive pilot for capacity control.

SECTION 5 LUBRICATION AND OIL SYSTEM

Compressor Oil System Overview

Overview of the oil system components and their functions in cooling and lubrication.

Lubricant Recommendations and Specifications

Details Gardner Denver's recommended lubricants and their properties.

LUBRICATION GUIDELINES

High Temperature Operation and Lubricant Changes

Guidance on lubricant use during high temperatures and the procedure for changing lubricants.

LUBRICATION AND SYSTEM CHECKS

Cold Weather Operation and Oil Levels

Advice for cold weather operation and checking/adding oil levels.

Oil System Moisture and Sight Gauges

Discusses potential moisture issues and how to read oil level sight gauges.

OIL MANAGEMENT

Oil Change Intervals and System Draining

Details oil change intervals based on temperature and procedures for draining the system.

OIL FILTER MAINTENANCE

Compressor Oil Filter Servicing

Instructions on servicing and replacing the compressor oil filter element.

OIL SYSTEM DIAGNOSTICS

Checking Oil System Parameters

Procedures for checking oil and air discharge temperatures and oil inlet pressure.

SECTION 6 AIR FILTER

Importance of Air Filter Maintenance

Emphasizes the importance of proper air filter maintenance for unit performance.

Heavy-Duty Air Filter Service

Details servicing procedures for the heavy-duty washable air filter element.

AIR FILTER SERVICING

Standard Duty Air Filter Service

Instructions for servicing the optional standard duty air filter element.

Filter Element Lifespan and Replacement

Guidance on filter element lifespan and conditions requiring replacement.

SECTION 7 BELT DRIVE

Belt Tension and Alignment Checks

Procedures for checking drive belt tension and alignment for optimal performance.

SECTION 8 MAINTENANCE SCHEDULE

Scheduled Maintenance Tasks and Intervals

Outlines service checks for 8, 125, 1000, 4000 hours, and yearly maintenance.

SECTION 9 TROUBLE SHOOTING

Troubleshooting Compressor Start and Run Issues

Common causes and remedies for compressor failure to start or short run times.

Addressing Load, Unload, and Cycling Problems

Troubleshooting for issues related to compressor loading, unloading, and excessive cycling.

TROUBLESHOOTING CONTINUED

Resolving Low Delivery Pressure and High Temperature

Addresses causes for low delivery pressure and high discharge air temperatures.

Troubleshooting Oil Consumption and Carry-Over

Troubleshooting for excessive oil consumption and oil carry-over problems.

TROUBLESHOOTING INDICATORS

"Change Separator" Light Troubleshooting

Solutions for the "Change Separator" indicator light during startup and operation.

TROUBLESHOOTING CONTROL ISSUES

Motor Overload and Air Filter Light Diagnostics

Troubleshooting for motor overload shutdowns and persistent air filter change lights.

TROUBLESHOOTING READINGS AND LEAKS

Erroneous Pressure Readings and Oil Leaks

Diagnosing and resolving incorrect pressure readings and oil leaks at the seal housing.

WARRANTY INFORMATION

General Warranty Terms and Limitations

Outlines limitations, exclusions, and general terms of the product warranty.

Warranty Periods and Claim Procedures

Specifies warranty duration for compressor air ends and other components.

Warranty Disclaimer and Exclusions

Legal disclaimer regarding expressed, implied, or statutory warranties.

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