EasyManua.ls Logo

Quincy QGV-75 - User Manual

Default Icon
90 pages
Print Icon
To Next Page IconTo Next Page
To Next Page IconTo Next Page
Loading...
QGV Series
Variable Speed Drive Air Compressors
Instruction Manual
This manual contains important safety information and should be
made available to all personnel who operate and/or maintain this
product. Carefully read this manual before attempting to operate or
perform maintenance on this equipment.
Manual No. 65077-1A
March 2006 Edition
Latest Update: November 2008

Table of Contents

Question and Answer IconNeed help?

Do you have a question about the Quincy QGV-75 and is the answer not in the manual?

Summary

General Information

Safety Alert Symbols

Explains hazard identification symbols used in the manual for safety.

Royal Blue Warranty Program

Outlines the terms and conditions of the Quincy Royal Blue Warranty program.

Description of Quincy QGV Series Compressors

Safety Sensors Functionality

Describes the function of standard High Air Temperature (HAT) sensors.

Control Panel Features

Explains the features and operation of the electronic touch screen control panel.

Installation Procedures

Relief Valve Installation and Importance

Explains the importance and proper placement of pressure relief valves.

Guarding of Moving Parts

Emphasizes the need for protective guards on hazardous moving parts.

Operating Procedures

Pre-Startup Checks

Lists essential checks to perform before initial compressor startup.

Starting the Compressor

Step-by-step guide for safely starting the compressor unit.

Control Panel Operation Guide

Explains how to navigate and use the compressor's control panel.

Navigating Menu Selections

Guide to accessing and using the various menu options on the control panel.

Compressor Operation Settings

Settings for discharge shutdown, reset temperature, and fan delay.

PID Controller Settings Adjustment

Adjusting PID settings for pressure control response.

Normal Compressor Shutdown

Procedure for safely shutting down the compressor normally.

Emergency Compressor Shutdown

Method for immediate shutdown in emergency situations.

Servicing and Maintenance

Preparing for Maintenance or Service

Essential safety steps to perform before maintenance.

Maintenance Schedule Guidelines

Recommended intervals for various maintenance tasks.

General Safety Precautions During Servicing

General safety precautions to follow during servicing.

Compressor Fluid Change Instructions

Instructions for changing the compressor fluid.

Compressor Fluids and Analysis

Troubleshooting Guide

Failure to Start Troubleshooting

Lists probable causes and corrective actions for startup issues.

Unscheduled Shutdown Troubleshooting

Identifies reasons for unexpected compressor shutdowns and solutions.

Thermal Overload Relays Tripping

Explains causes for thermal overload trips and corrective actions.

Low Air Delivery Issues

Addresses issues causing reduced air output from the compressor.

Low Receiver Pressure Troubleshooting

Troubleshooting low pressure in the receiver tank.

High Receiver Pressure Issues

Identifies causes for excessively high receiver pressure.

High Discharge;Injection Temperature

Diagnosing and resolving high temperature conditions.

Frequent Air;Fluid Separator Clogging

Reasons for separator clogging and how to fix it.

Frequent Fluid Filter Clogging

Causes and solutions for a clogged fluid filter.

Excessive Water Content in Fluid

Addressing high water content in the compressor fluid.

Excessive Fluid Consumption

Investigating and correcting high fluid usage.

Frequent Air Cleaner Clogging

Reasons for frequent air cleaner clogging.

Inlet Valve Operation Issues

Troubleshooting inlet valve operation relative to air demand.

Compressor Does Not Unload

Diagnosing why the compressor fails to unload when no air demand exists.

Compressor Fails to Revert to Load

Resolving issues with compressor load reversion after pressure drops.

Compressor Fails to Time-out or Shut Down

Troubleshooting failure to time out or shut down when unloaded.

Pressure Relief Valve Exhausting

Diagnosing and fixing pressure relief valve issues.

Summary

General Information

Safety Alert Symbols

Explains hazard identification symbols used in the manual for safety.

Royal Blue Warranty Program

Outlines the terms and conditions of the Quincy Royal Blue Warranty program.

Description of Quincy QGV Series Compressors

Safety Sensors Functionality

Describes the function of standard High Air Temperature (HAT) sensors.

Control Panel Features

Explains the features and operation of the electronic touch screen control panel.

Installation Procedures

Relief Valve Installation and Importance

Explains the importance and proper placement of pressure relief valves.

Guarding of Moving Parts

Emphasizes the need for protective guards on hazardous moving parts.

Operating Procedures

Pre-Startup Checks

Lists essential checks to perform before initial compressor startup.

Starting the Compressor

Step-by-step guide for safely starting the compressor unit.

Control Panel Operation Guide

Explains how to navigate and use the compressor's control panel.

Navigating Menu Selections

Guide to accessing and using the various menu options on the control panel.

Compressor Operation Settings

Settings for discharge shutdown, reset temperature, and fan delay.

PID Controller Settings Adjustment

Adjusting PID settings for pressure control response.

Normal Compressor Shutdown

Procedure for safely shutting down the compressor normally.

Emergency Compressor Shutdown

Method for immediate shutdown in emergency situations.

Servicing and Maintenance

Preparing for Maintenance or Service

Essential safety steps to perform before maintenance.

Maintenance Schedule Guidelines

Recommended intervals for various maintenance tasks.

General Safety Precautions During Servicing

General safety precautions to follow during servicing.

Compressor Fluid Change Instructions

Instructions for changing the compressor fluid.

Compressor Fluids and Analysis

Troubleshooting Guide

Failure to Start Troubleshooting

Lists probable causes and corrective actions for startup issues.

Unscheduled Shutdown Troubleshooting

Identifies reasons for unexpected compressor shutdowns and solutions.

Thermal Overload Relays Tripping

Explains causes for thermal overload trips and corrective actions.

Low Air Delivery Issues

Addresses issues causing reduced air output from the compressor.

Low Receiver Pressure Troubleshooting

Troubleshooting low pressure in the receiver tank.

High Receiver Pressure Issues

Identifies causes for excessively high receiver pressure.

High Discharge;Injection Temperature

Diagnosing and resolving high temperature conditions.

Frequent Air;Fluid Separator Clogging

Reasons for separator clogging and how to fix it.

Frequent Fluid Filter Clogging

Causes and solutions for a clogged fluid filter.

Excessive Water Content in Fluid

Addressing high water content in the compressor fluid.

Excessive Fluid Consumption

Investigating and correcting high fluid usage.

Frequent Air Cleaner Clogging

Reasons for frequent air cleaner clogging.

Inlet Valve Operation Issues

Troubleshooting inlet valve operation relative to air demand.

Compressor Does Not Unload

Diagnosing why the compressor fails to unload when no air demand exists.

Compressor Fails to Revert to Load

Resolving issues with compressor load reversion after pressure drops.

Compressor Fails to Time-out or Shut Down

Troubleshooting failure to time out or shut down when unloaded.

Pressure Relief Valve Exhausting

Diagnosing and fixing pressure relief valve issues.

Quincy QGV-75 Specifications

General IconGeneral
ModelQGV-75
Horsepower75 HP
Max Pressure175 PSI
Voltage460V
Pump TypeRotary Screw
PhaseThree Phase
TypeRotary Screw Compressor

Related product manuals