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Quincy Compressor QSI 1500 User Manual

Quincy Compressor QSI 1500
142 pages
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THIS PRODUCT CAN EXPOSE YOU TO CHEMICALS INCLUDING LEAD,
WHICH IS KNOWN TO THE STATE OF CALIFORNIA TO CAUSE CANCER
AND BIRTH DEFECTS OR OTHER REPRODUCTIVE HARM. FOR MORE
INFORMATION GO TO WWW.P65WARNINGS.CA.GOV
QSI Series
Fixed Speed Rotary Screw 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. 2012203803
August 2018 Edition
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Quincy Compressor QSI 1500 Specifications

General IconGeneral
ModelQSI 1500
TypeRotary Screw
Horsepower150 HP
Phase3
Maximum Pressure150 PSIG
Frequency60 Hz
Number of StagesSingle
Drive TypeDirect
Cooling MethodAir-Cooled
Lubrication TypeOil-Lubricated

Summary

Section I - General

Standard Warranty

Outlines the warranty terms and conditions for the compressor.

Safety Alert Symbols

Explains hazard symbols used throughout the manual to denote danger levels.

Safety Precautions

Provides essential safety guidelines for operating and maintaining the compressor.

Section II - Description

Capacity Control System

Details how the compressor regulates its output based on demand.

Electrical System

Outlines the electrical components, power supply, and wiring of the compressor.

Safety Sensors

Explains the function and importance of high air temperature (HAT) sensors.

Section III - Installation

Location

Specifies the ideal environmental conditions and space requirements for compressor placement.

Relief Valves

Explains the proper installation and function of pressure relief valves for system safety.

Section IV - Operating Procedures

Prior to Starting

Lists essential checks and preparations required before starting the compressor.

Starting the Compressor

Step-by-step instructions for safely starting the compressor.

Stopping the Compressor

Procedures for normally and emergently stopping the compressor.

Control Panel Overview

Identifies and explains the functions of the control panel components and indicators.

Calling Up Menus

Step-by-step guide to accessing the main menu and its sub-items.

Service Menu

Accessing the service menu to manage maintenance plans and intervals.

Section V - Maintenance or Service Preparation

Important Maintenance Requirements

Key procedures to follow for safe preparation before maintenance or service.

Section VI - Servicing

Safety During Servicing

General safety precautions to be observed by service personnel.

Section VII - Compressor Fluids

Fluid Specifications

Lists recommended synthetic fluids and their properties for Quincy compressors.

Fluid Analysis Program

Details Quincy's fluid analysis service and its importance for warranty.

Section VIII - Service Adjustments

Section IX - Troubleshooting

Troubleshooting: Failure to Start

Lists common causes and corrective actions for the compressor failing to start.

Troubleshooting: Unscheduled Shutdown

Addresses issues causing unexpected shutdowns and their solutions.

Troubleshooting: Thermal Overload Relays Tripping

Explains why thermal overload relays trip and how to address it.

Troubleshooting: Low Air Delivery

Identifies causes for reduced air output and their solutions.

Troubleshooting: Low Receiver Pressure

Addresses causes for low receiver pressure and their remedies.

Troubleshooting: High Receiver Pressure

Discusses causes for high receiver pressure and how to resolve them.

Troubleshooting: High Discharge Air Temperature

Explains causes of high discharge air temperature and corrective actions.

Troubleshooting: Frequent Air/Fluid Separator Clogging

Addresses frequent clogging of the air/fluid separator and its causes.

Troubleshooting: Frequent Fluid Filter Clogging

Identifies causes for frequent fluid filter clogging and solutions.

Troubleshooting: Frequent Air/Fluid Separator Clogging (cont.)

Continues troubleshooting for separator clogging, including fluid issues.

Troubleshooting: Fluid Discharge Out Blowdown Valve

Addresses issues related to the fluid discharge blowdown valve.

Troubleshooting: Excessive Fluid Consumption

Explains causes of excessive fluid consumption and how to fix them.

Troubleshooting: Frequent Air Cleaner Clogging

Addresses frequent clogging of the air cleaner and potential causes.

Troubleshooting: Inlet Valve Not Opening/Closing

Guides on resolving issues with inlet valve operation related to air demand.

Troubleshooting: Compressor Does Not Unload

Addresses why the compressor might not unload when there is no air demand.

Troubleshooting: Compressor Does Not Revert To Load

Solutions for when the compressor fails to reload after pressure drops.

Troubleshooting: Compressor Will Not Time-out

Addresses issues with the auto/dual timer not shutting down unloaded compressors.

Troubleshooting: Excessive Water in Plant Air

Solutions for excessive water in the plant air distribution system.

Troubleshooting: Pressure Relief Valve Exhausting

Discusses causes of pressure relief valve exhausting and their remedies.

Troubleshooting: Excessive Water Content In Fluid

Identifies causes for excessive water in compressor fluid and solutions.

Section X - Maintenance Schedule

Maintenance Schedule

Provides a schedule for routine maintenance tasks based on time intervals.

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