Quincy Air Compressor Manuals

User Manuals & Installation Guides

Industrial & Commercial Models

Installation Guide

Tools Needed:

  • Adjustable wrenches
  • Pipe thread sealant
  • Voltage tester
  • Level
  • Pipe cutter
  • Safety glasses and gloves

Step-by-Step Installation

  1. Select Location: Choose a clean, dry, well-ventilated area with adequate clearance for maintenance and airflow.
  2. Foundation Preparation: Ensure a solid, level concrete foundation to minimize vibration and noise transmission.
  3. Electrical Connection: Connect to proper power supply per local electrical codes. Quincy compressors typically require dedicated circuits.
  4. Air System Piping: Install proper size piping with drip legs and shutoff valves. Use threaded connections with appropriate sealant.
  5. Intake Air: Ensure clean, cool intake air free from contaminants. Install intake filter in clean location.
  6. Drain Installation: Connect condensate drain to proper disposal system following local regulations.
  7. Pressure Settings: Set cut-in and cut-out pressures according to application requirements and manufacturer specifications.
  8. Initial Startup: Perform initial startup without load, check rotation direction, then gradually apply load while monitoring operation.
Warning: Installation must be performed by qualified personnel familiar with compressed air systems and local codes. Improper installation can cause serious injury or equipment damage.

Specifications

Model Series QT & QGS Series
Type Rotary Screw & Reciprocating Compressors
Horsepower Range 5 HP to 350 HP
Pressure Range 80 PSI to 200 PSI
CFM Capacity 18 CFM to 1500 CFM
Control Type Electronic Controls with Digital Display
Noise Level 70 dB to 85 dB
Tank Capacity 60 Gallon to 240 Gallon
Power Requirements 208-230V/460V, 3 Phase, 60Hz
Dimensions (LxWxH) Varies by model (60"x30"x50" to 120"x60"x80")
Weight 500 lbs to 3000 lbs
Oil Capacity 2 Gallons to 15 Gallons

Warranty Information

  • Standard Warranty: 2 years parts and labor
  • Air End Warranty: 5 years on rotary screw air ends
  • Extended Coverage: Optional extended warranty packages available
  • Warranty Registration: Required within 60 days of installation

For warranty service, contact Quincy Compressor Customer Service at 1-800-874-0555 or visit QuincyCompressor.com

Key Features

Quincy QE Series Air End

Patented asymmetric screw profile provides superior efficiency with lower energy consumption and extended service life compared to conventional designs.

Intellisys Controller

Advanced microprocessor control system monitors and adjusts compressor operation for optimal performance, energy savings, and system protection.

Pressure Flow Control

Automatically adjusts compressor output to match air demand, reducing energy consumption during partial load conditions by up to 35%.

QRP GoldĀ® Lubricant

Proprietary synthetic lubricant provides extended service intervals, superior heat transfer, and excellent water separation characteristics.

Vertical Tank Design

Space-saving vertical tank configuration reduces floor space requirements while providing excellent condensate separation and air storage.

Sound Reduction Package

Acoustic enclosures and vibration isolation systems reduce operating noise levels for improved workplace environment and compliance.

Control System Features

Auto Dual Control

Automatically switches between load/unload and modulation control for maximum energy efficiency across all operating conditions.

Remote Monitoring

Ethernet and Modbus connectivity enables remote monitoring, control, and integration with building management systems.

Predictive Maintenance

Monitors operating parameters and provides alerts for maintenance needs before failures occur, reducing downtime.

Multi-Compressor Control

Coordinates multiple compressors for optimal system efficiency, load sharing, and sequenced operation.

Data Logging

Stores operational data for performance analysis, energy consumption tracking, and maintenance history.

Safety Shutdowns

Multiple safety shutdowns protect against high temperature, low oil pressure, motor overload, and other fault conditions.

Troubleshooting

Problem Possible Cause Solution
Compressor won't start Power issue, pressure switch fault, thermal overload Check power supply, verify pressure switch settings, reset overloads
Low pressure output Intake filter clogged, leaking system, worn valves Clean/replace intake filter, check for air leaks, inspect valves
Excessive noise/vibration Loose mounting, worn bearings, improper foundation Tighten mounting bolts, check bearings, verify foundation
High operating temperature Dirty cooler, low oil level, ambient temperature high Clean cooler fins, check oil level, improve ventilation
Excessive oil consumption Worn piston rings, overfilled oil, leaking seals Check compression, verify oil level, inspect seals
Frequent cycling Air leaks, undersized receiver, incorrect pressure settings Locate and repair leaks, check tank size, adjust pressure switch

Error Codes

  • E01: High temperature shutdown - Check cooling system and oil level
  • E02: Low oil pressure - Check oil level and pressure switch
  • E03: Motor overload - Check electrical connections and load
  • E04: Phase loss/sequence - Check power supply phase rotation
  • E05: Sensor failure - Check temperature/pressure sensors
  • E06: Communication error - Check controller connections
  • E07: High pressure shutdown - Check pressure switch and relief valve
  • E08: Low pressure shutdown - Check intake and system pressure

Manual Downloads

QT Series Rotary Screw Compressors

QT-7.5

7.5 HP Rotary Screw

QT-25

25 HP Rotary Screw

QT-60

60 HP Rotary Screw

QT-100

100 HP Rotary Screw

QGS Series Reciprocating Compressors

QGS-5

5 HP Two-Stage

QGS-10

10 HP Two-Stage

QGS-20

20 HP Two-Stage

QGS-30

30 HP Two-Stage

Popular Industrial Models

QR-25

25 HP Rotary

QP-15

15 HP Portable

QT-200

200 HP Industrial

QSI-40

40 HP Silent Series

Note: For models not listed here or for technical bulletins and parts manuals, please visit the Quincy Compressor Support Portal for complete documentation.