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Quincy QSF Series - User Manual

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QSF
Series
Direct Drive 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. 55002-CB
October 1998 Edition
Updated: Septermber 2010

Table of Contents

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Summary

Standard Warranty

Safety Cautions and Warnings

Compressor Description and Operation

General Description of Quincy QSF Series Air Compressors

Overview of the single-stage, positive displacement, fluid-flooded helical screw type unit.

The Compression Cycle

Describes the continuous process from intake to discharge in a rotary compressor.

Description of Air Flow

Explains how air enters, is compressed, and moves through the system.

Description of Fluid Flow and Compressor Cooling System

Details the functions of the fluid and its circulation for cooling and lubrication.

Modulation Control Standard

Details how the compressor matches air demand by adjusting inlet valve position.

Auto;Dual Standard

Explains the programmable timer function for shutting down unloaded compressors.

Electrical System Description

Provides information on the compressor's electrical system and wiring diagrams.

Safety Sensors

Describes the function of High Air Temperature (HAT) sensors for unit protection.

Indicators

Explains the function of various LED lights and indicators on the control panel.

Installation Procedures

Receiving

Instructions for inspecting the compressor upon arrival for any shipping damage.

Location

Critical considerations for placing the compressor in a suitable environment for operation.

Piping Connections

Details how to connect pipes and fittings, avoiding soldering and improper materials.

Relief Valves

Explains the importance and placement of relief valves for system safety.

Electrical

Covers electrical supply requirements, disconnects, grounding, and NEC compliance.

Manual Vent and Shutoff Valve

Instructions for installing manual valves for venting and isolation during servicing.

Fluid Level

How to check and maintain the correct fluid level using the sight glass.

Compressor Rotation

Procedure to check and ensure correct counter-clockwise rotation for compressor safety.

Operating Procedures

Prior to Starting

Crucial checklist and review steps before initial compressor operation.

Stopping the Compressor - Emergency

Procedure for immediate shutdown using the emergency stop button or power disconnect.

Electronic Control Operations

Overview of the microprocessor control panel, buttons, and LED indicators.

Program Setup Menus

Guides on accessing and adjusting operational parameters via the control panel.

Faults

Explains common fault conditions like EMERGENCY STOP and CONTACTOR FAULT.

LED & Message Indicators

Details specific LED flashes and messages indicating errors or service needs.

Servicing and Maintenance

Preparing for Maintenance or Service

Critical safety steps to ensure safe maintenance procedures.

Lubrication

Information on fluid level, specifications, and recommended fluids for lubrication.

Fluid Specifications

Details recommended fluids and conditions requiring specific types.

Fluid Filter

Details spin-on filter replacement, initial change, and service intervals.

Compressor Air;Fluid Separator Element

Explains the function, handling, and importance of the separator element.

Air Filter

Details standard and heavy-duty air filter types, replacement, and service intervals.

Compressor Shaft Seal

Information on the shaft seal as a wear item and replacement procedures.

Air and Fluid Tubing

Instructions for installing flareless tubing and fittings to prevent separation.

Service Adjustments

Differential Pilot Valve

Key adjustment for setting desired modulation pressure range.

Water Regulating Valve (water-cooled units only)

Crucial adjustment for maintaining discharge temperature in water-cooled units.

Assembling SEAL-LOK Fittings

Detailed procedure for proper assembly of SEAL-LOK fittings.

Troubleshooting Guide

Failure to Start

Common causes and corrective actions for startup issues.

Unscheduled Shutdown

Troubleshooting steps for unexpected compressor shutdowns.

Low Air Delivery

Identifies causes and solutions for reduced air output.

High Discharge Air Temperature

Addresses causes and fixes for excessive compressor operating temperatures.

Frequent Air;Fluid Separator Clogging

Troubleshooting steps for recurring separator element clogging.

Excessive Fluid Consumption

Identifies causes and solutions for higher than normal fluid usage.

Inlet valve not opening or closing in relation to air demand

Diagnoses issues with the inlet valve's response to air demand.

Excessive Water in Plant Air Distribution System

Troubleshooting steps for water contamination in the compressed air system.

Pressure Relief Valve Exhausting

Diagnoses issues related to the pressure relief valve operation.

Heat Exchanger Installation and Service

Shell and Tube Heat Exchanger Installation and Service Recommendations

Guidance on installing and servicing shell and tube heat exchangers.

Recommendations

Advice on gasket replacement, fluid use, anodes, and cleaning for heat exchangers.

Standard Terms and Conditions

Liability Limitations

Defines limitations on seller's liability for damages, losses, and consequential claims.

Environmental and OSHA Requirements

Seller's compliance with laws and regulations at time of shipment.

Summary

Standard Warranty

Safety Cautions and Warnings

Compressor Description and Operation

General Description of Quincy QSF Series Air Compressors

Overview of the single-stage, positive displacement, fluid-flooded helical screw type unit.

The Compression Cycle

Describes the continuous process from intake to discharge in a rotary compressor.

Description of Air Flow

Explains how air enters, is compressed, and moves through the system.

Description of Fluid Flow and Compressor Cooling System

Details the functions of the fluid and its circulation for cooling and lubrication.

Modulation Control Standard

Details how the compressor matches air demand by adjusting inlet valve position.

Auto;Dual Standard

Explains the programmable timer function for shutting down unloaded compressors.

Electrical System Description

Provides information on the compressor's electrical system and wiring diagrams.

Safety Sensors

Describes the function of High Air Temperature (HAT) sensors for unit protection.

Indicators

Explains the function of various LED lights and indicators on the control panel.

Installation Procedures

Receiving

Instructions for inspecting the compressor upon arrival for any shipping damage.

Location

Critical considerations for placing the compressor in a suitable environment for operation.

Piping Connections

Details how to connect pipes and fittings, avoiding soldering and improper materials.

Relief Valves

Explains the importance and placement of relief valves for system safety.

Electrical

Covers electrical supply requirements, disconnects, grounding, and NEC compliance.

Manual Vent and Shutoff Valve

Instructions for installing manual valves for venting and isolation during servicing.

Fluid Level

How to check and maintain the correct fluid level using the sight glass.

Compressor Rotation

Procedure to check and ensure correct counter-clockwise rotation for compressor safety.

Operating Procedures

Prior to Starting

Crucial checklist and review steps before initial compressor operation.

Stopping the Compressor - Emergency

Procedure for immediate shutdown using the emergency stop button or power disconnect.

Electronic Control Operations

Overview of the microprocessor control panel, buttons, and LED indicators.

Program Setup Menus

Guides on accessing and adjusting operational parameters via the control panel.

Faults

Explains common fault conditions like EMERGENCY STOP and CONTACTOR FAULT.

LED & Message Indicators

Details specific LED flashes and messages indicating errors or service needs.

Servicing and Maintenance

Preparing for Maintenance or Service

Critical safety steps to ensure safe maintenance procedures.

Lubrication

Information on fluid level, specifications, and recommended fluids for lubrication.

Fluid Specifications

Details recommended fluids and conditions requiring specific types.

Fluid Filter

Details spin-on filter replacement, initial change, and service intervals.

Compressor Air;Fluid Separator Element

Explains the function, handling, and importance of the separator element.

Air Filter

Details standard and heavy-duty air filter types, replacement, and service intervals.

Compressor Shaft Seal

Information on the shaft seal as a wear item and replacement procedures.

Air and Fluid Tubing

Instructions for installing flareless tubing and fittings to prevent separation.

Service Adjustments

Differential Pilot Valve

Key adjustment for setting desired modulation pressure range.

Water Regulating Valve (water-cooled units only)

Crucial adjustment for maintaining discharge temperature in water-cooled units.

Assembling SEAL-LOK Fittings

Detailed procedure for proper assembly of SEAL-LOK fittings.

Troubleshooting Guide

Failure to Start

Common causes and corrective actions for startup issues.

Unscheduled Shutdown

Troubleshooting steps for unexpected compressor shutdowns.

Low Air Delivery

Identifies causes and solutions for reduced air output.

High Discharge Air Temperature

Addresses causes and fixes for excessive compressor operating temperatures.

Frequent Air;Fluid Separator Clogging

Troubleshooting steps for recurring separator element clogging.

Excessive Fluid Consumption

Identifies causes and solutions for higher than normal fluid usage.

Inlet valve not opening or closing in relation to air demand

Diagnoses issues with the inlet valve's response to air demand.

Excessive Water in Plant Air Distribution System

Troubleshooting steps for water contamination in the compressed air system.

Pressure Relief Valve Exhausting

Diagnoses issues related to the pressure relief valve operation.

Heat Exchanger Installation and Service

Shell and Tube Heat Exchanger Installation and Service Recommendations

Guidance on installing and servicing shell and tube heat exchangers.

Recommendations

Advice on gasket replacement, fluid use, anodes, and cleaning for heat exchangers.

Standard Terms and Conditions

Liability Limitations

Defines limitations on seller's liability for damages, losses, and consequential claims.

Environmental and OSHA Requirements

Seller's compliance with laws and regulations at time of shipment.

Quincy QSF Series Specifications

General IconGeneral
Pump MaterialCast Iron
Maximum Pressure175 PSI
Number of StagesTwo
Drive TypeBelt Driven
Phase3-Phase

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