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Quincy Compressor QT-15 User Manual

Quincy Compressor QT-15
50 pages
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This manual contains important safety information and must be
carefully read in its entirety and understood prior to installation
by all personnel who install, operate and/or maintain this product.
On-line product registration, parts ordering and warranty information is available at www.quincycompressor.com
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
Manual No. 2022208700
September 2018 Edition
QT and QTS Series
Compressors
Instruction Manual
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Quincy Compressor QT-15 Specifications

General IconGeneral
ModelQT-15
Horsepower15 HP
Max Pressure175 PSI
ConfigurationVertical
Pump MaterialCast Iron
Tank Capacity120 gallons
PhaseThree Phase

Summary

SECTION 1 SAFETY

Safety First

Focuses on safety as a primary concern in design and operation.

Hazard Indicators

Explains DANGER!, WARNING!, CAUTION! indicators and their meanings for safety.

General Safety Precautions

Lists essential safety rules for compressor operation and maintenance.

SECTION 3 INSTALLATION

Lifting Safety Warning

Warning about the dangers of improper lifting during installation.

Page 10 Installation Guidelines

Gas Engine Ventilation Caution

Caution regarding carbon monoxide from gas engines and ventilation needs.

Toxic Atmosphere Warning

Warning against using compressors in toxic or corrosive environments.

Page 11 Electrical & Safety Installation

Electrical Supply Requirements

Requirements for electrical installation, grounding, and voltage.

High Voltage Danger

Danger of high voltage and lockout/tagout procedures.

Page 12 Wiring Schematics

Page 13 Wiring Schematics

Page 14 Wiring Schematics

Page 15 Wiring Schematics

Page 16 Wiring Schematics

Page 17 Wiring Schematics

Page 18 Wiring Schematics

Page 19 Wiring Schematics

Page 20 Wiring Schematics

Page 21 Wiring Schematics

Page 22 Wiring Schematics

Page 23 Piping Schematics

Page 24 Piping Schematics

Page 25 Piping Schematics

Page 26 Piping Schematics

Page 27 Mounting and Components

Off-Level Operation Warning

Caution about operating compressor off-level or moving it while running.

Page 28 Safety and Component Details

Excessive RPM Hazard Warning

Warning about excessive compressor RPM and potential shattering of parts.

Pressure Relief Valve Danger

Danger associated with pressure relief valves and system integrity.

Page 29 System Components

Air Inlet Atmosphere Caution

Caution about locating air inlets away from toxic or hot atmospheres.

Page 30 Discharge System Details

Page 31 Pressure Vessels & Condensation

Pressure Vessel Requirements

Requirements for air receiver tanks and pressure vessels.

Pressure Vessel Modification Warning

Warning about modifying pressure vessels and potential hazards.

Page 32 Tank Draining Procedures

Air Receiver Residue Warning

Warning about draining oil/moisture residue from the air receiver.

High Tank Pressure Warning

Warning against opening tank drain valve with high pressure.

Relieving Tank Pressure Warning

Warning against removing components to relieve tank pressure.

SECTION 4 START-UP & OPERATION

Pre-starting Checklist

A comprehensive checklist before connecting to power.

Restart Safety Warning

Warning about potential restart and following maintenance procedures.

Pre-start Checklist Importance

Warning about consequences of not performing the pre-start checklist.

Page 35 Startup Procedures

Initial Compressor Startup

Procedures for initial startup and operation of the compressor.

SECTION 5 MAINTENANCE & LUBRICATION

Stopping Compressor for Maintenance

Procedures for safely stopping the compressor for service.

Operational Safety Warning

Warning about assuming safety and potential restarts.

Page 38 Periodic Maintenance

Page 39 Lubrication Details

Flammable Cleaning Solution Danger

Warning against using flammable solutions for cleaning.

Lubricant Level and Type Check

Guidance on checking and maintaining lubricant levels and types.

Page 41 Pressure Switch and Safety

Electrical Safety in Pressure Switch

Warning about electrical power inside the pressure switch.

Pressure & Overload Limit Warning

Warning not to exceed system pressure or motor amp draw.

Stand-by Mode Safety Warning

Warning about automatic stand-by mode and safety precautions.

Page 42 Pilot Valve Adjustments

Pilot Valve Adjustment Warning

Warning about pilot valve adjustments and warranty.

SECTION 6 TROUBLESHOOTING

Low Discharge Pressure Causes

Lists probable causes for low discharge pressure.

Milky Lubricant Causes

Probable causes for milky lubricant in the crankcase.

Excessive Vibration Causes

Probable causes for excessive vibration in the compressor.

Page 44 Troubleshooting Common Issues

Page 45 Troubleshooting Advanced Issues

Compressor Overheating Causes

Probable causes for compressor overheating.

High Discharge Temperature Causes

Probable causes for high discharge temperature.

Compressor Knocking Causes

Probable causes for compressor knocking sounds.

Page 46 Troubleshooting Operational Problems

Excessive Current Draw Causes

Probable causes for excessive current draw by the motor.

Failure to Start Causes

Probable causes for the compressor failing to start.

Overload Relay Trip Caution

Caution regarding persistent overload relay trips.

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