Installation Guide
Tools Needed:
- Torque wrench set
- Air pressure gauge
- Socket set (metric and standard)
- Level
- Pipe thread sealant
- Air line filter
Step-by-Step Installation
- Select Location: Choose a clean, dry, well-ventilated area with sufficient clearance for maintenance access and proper airflow.
- Foundation Preparation: Install on a solid, level concrete foundation capable of supporting the compressor's weight and vibration.
- Electrical Connection: Connect to appropriate power supply per local electrical codes. Quincy compressors typically require 3-phase power for industrial models.
- Air System Connection: Install proper air lines using recommended pipe size. Include shut-off valves, drains, and filters in the system.
- Oil Check: Verify proper oil level in compressor crankcase before initial startup.
- Pressure Settings: Adjust pressure switch cut-in and cut-out settings according to application requirements.
- Initial Run Test: Run compressor through complete cycle to check for leaks, proper operation, and correct pressure buildup.
Specifications
| Model Series | QT & QSI Series |
| Type | Rotary Screw Air Compressor |
| Configuration | Stationary Industrial |
| Capacity Range | 5 HP to 350 HP |
| Operating Pressure | 100-175 PSI (Standard) |
| Air Delivery | 18-1500 CFM |
| Control Type | Microprocessor with LCD Display |
| Motor Type | TEFC Premium Efficiency |
| Power Requirements | 208-230/460V, 3 Phase, 60Hz |
| Sound Level | 70-75 dBA |
| Dimensions (LxWxH) | Varies by model (48"x30"x48" to 120"x60"x72") |
| Weight | 300-3500 lbs |
| Tank Capacity | 80-240 Gallon (Vertical) |
Warranty Information
- Full Warranty: 2 years parts and labor
- Air End Warranty: 5 years on rotary screw air end
- Motor Warranty: 3 years on premium efficiency motor
- Extended Coverage: Available through QuincyCare programs
For warranty service, contact Quincy Compressor Service at 1-800-874-0545 or visit QuincyCompressor.com
Key Features
Quincy QSI Rotary Screw
Advanced rotary screw technology provides continuous duty operation with high efficiency and reliability for demanding industrial applications.
SmartPac Plus Control
Microprocessor-based control system monitors all compressor functions, provides diagnostic information, and optimizes performance for energy savings.
Energy Saving System
Variable speed drive and load/unload control options reduce energy consumption by matching air output to actual demand.
Quiet Operation
Sound-dampening enclosures and precision engineering result in low noise levels suitable for indoor installation near work areas.
Advanced Filtration
Multi-stage filtration system removes contaminants, moisture, and oil from compressed air for clean, dry air output.
Remote Monitoring
Optional connectivity for remote monitoring, diagnostics, and maintenance scheduling through Quincy Connect system.
Maintenance Systems Explained
Oil Management
Synthetic compressor oil with extended change intervals and efficient separation system
Air Filtration
Three-stage filtration: intake filter, oil separator, and aftercooler for clean air delivery
Cooling System
Efficient air or water cooling options maintain optimal operating temperatures
Condensate Management
Automatic drain valves remove moisture from air system automatically
Vibration Control
Isolation mounts and balanced components reduce vibration and noise
Safety Systems
Multiple safety devices including pressure relief valves, temperature sensors, and motor protection
Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Compressor won't start | Power issue, pressure switch fault, thermal overload | Check power supply, reset overloads, verify pressure switch settings |
| Low pressure output | Air leaks, intake filter clogged, worn components | Check for leaks, replace air filter, inspect valves and seals |
| Excessive noise/vibration | Loose components, worn bearings, improper mounting | Tighten all fasteners, check motor and pump bearings, verify proper installation |
| High operating temperature | Dirty cooler, low oil level, restricted airflow | Clean cooler fins, check oil level and quality, ensure proper ventilation |
| Excessive oil consumption | Oil leaks, worn seals, improper oil return | Check for leaks, inspect seals, verify oil separator function |
| Frequent cycling | Air leaks, oversized compressor, control setting issues | Locate and repair leaks, adjust pressure settings, check control system |
Error Codes
- E01: High temperature - Check cooling system and oil level
- E02: Low pressure - Check for leaks and intake system
- E03: Motor overload - Check electrical connections and load
- E04: Sensor fault - Check temperature and pressure sensors
- E05: Communication error - Check control wiring and connections
- E06: Oil pressure low - Check oil level, filter, and pump
- E07: Phase loss - Check power supply and connections
Manual Downloads
Current Model Manuals
QT-54
5 HP Rotary Screw Compressor
QSI-100
100 HP Industrial Compressor
QT-7.5
7.5 HP Quiet Technology
QSI-350
350 HP Heavy Duty
Popular Previous Models
QR-25
25 HP Reciprocating
QGS-30
30 HP Gas Driven
QT-10
10 HP Rotary Screw
QSI-75
75 HP Industrial