Installation Guide
Tools Needed:
- Torque wrench set
- Level
- Screwdrivers (flat and Phillips)
- Pipe wrench
- Air pressure gauge
- Electrical multimeter
Step-by-Step Installation
- Choose Installation Location: Select a well-ventilated area with adequate clearance for maintenance on a solid, level concrete foundation.
- Foundation Preparation: Prepare a level concrete foundation capable of supporting the compressor's weight with proper vibration isolation.
- Electrical Connection: Connect to appropriate power supply (typically 480V, 3-phase, 60Hz) following local electrical codes and NEC requirements.
- Air System Connection: Install proper air piping with adequate sizing, including moisture separators, aftercoolers, and air receivers as needed.
- Ventilation Setup: Ensure adequate ventilation for heat dissipation with proper intake and exhaust airflow.
- Oil and Fluid Check: Verify proper oil levels and fill with recommended compressor oil before initial startup.
- Initial Startup and Testing: Perform initial startup following manufacturer's procedures, checking for leaks and proper pressure buildup.
Specifications
| Model Series | LS Series Rotary Screw Compressors |
| Type | Industrial Rotary Screw Air Compressor |
| Configuration | Stationary / Portable |
| Capacity Range | 25 - 350 HP |
| Air Delivery | 100 - 1500 CFM |
| Operating Pressure | 100 - 175 PSIG |
| Control Type | Microprocessor Control with LCD Display |
| Drive Type | Direct Drive / Gear Drive |
| Power Requirements | 380-480V, 3-Phase, 50/60Hz |
| Noise Level | 70 - 85 dBA |
| Dimensions (Varies by Model) | Varies by HP rating |
| Weight | 800 - 5000 lbs |
Warranty Information
- Standard Warranty: 2 years parts and labor
- Air End Warranty: 5 years on rotary screw air end
- Extended Coverage: Optional extended warranty packages available
- 24/7 Support: Emergency technical support available
For warranty service, contact Sullair Customer Service at 1-800- SULLAIR or visit Sullair.com
Key Features
Rotary Screw Technology
Sullair's proven rotary screw design provides continuous, pulsation-free air flow with high efficiency and reliability for industrial applications.
Intellisys Controller
Advanced microprocessor control system monitors and optimizes compressor performance, providing real-time diagnostics and energy management.
Dual Control Operation
Offers both modulation and start/stop control modes to match air demand, reducing energy consumption during partial load conditions.
Efficient Cooling System
Optimized cooling system maintains proper operating temperatures, extending component life and ensuring consistent performance.
Easy Maintenance Design
Service-friendly layout with easy access to filters, separators, and maintenance points reduces downtime and service costs.
Energy Efficient Operation
Designed for optimal specific power consumption, reducing energy costs while maintaining high performance standards.
Control System Features
Auto Dual Control
Automatically switches between control modes based on air demand for maximum efficiency
Remote Monitoring
Optional connectivity for remote monitoring and control via network or modem
Multi-Unit Sequencing
Coordinates multiple compressors for optimal system efficiency in large installations
Diagnostic Display
Real-time display of operating parameters and diagnostic information
Protection Systems
Comprehensive protection against overload, overheating, and low oil pressure
Data Logging
Records operating history for maintenance scheduling and performance analysis
Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Compressor won't start | Power issue, emergency stop activated, control fault | Check power supply, reset emergency stop, check control system |
| Low air pressure | Air leaks, clogged filters, worn components | Check for leaks, replace air filters, inspect valves and seals |
| High operating temperature | Dirty cooler, low oil level, ambient temperature high | Clean cooler fins, check oil level, improve ventilation |
| Excessive vibration | Foundation issues, loose mounting, worn couplings | Check foundation, tighten mounts, inspect couplings |
| Oil consumption high | Oil leaks, worn seals, improper oil type | Check for leaks, replace seals, use recommended oil |
| Unusual noises | Bearing wear, loose components, foreign objects | Inspect bearings, tighten components, check for debris |
Common 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 or imbalance - Check power supply and connections
- E05: Sensor fault - Check temperature and pressure sensors
- E06: Communication error - Check controller connections
- E07: High pressure shutdown - Check pressure switch and relief valve
Manual Downloads
Current Model Manuals
LS-75
75HP Rotary Screw Compressor
LS-100
100HP Industrial Compressor
LS-150
150HP Stationary Compressor
LS-200
200HP Heavy Duty Compressor
Portable Compressor Models
P185
185CFM Portable Compressor
P250
250CFM Diesel Compressor
P375
375CFM Towable Compressor
P600
600CFM High Capacity Portable