Installation Guide
Tools Needed:
- Torque wrench set
- Air pressure gauge
- Electrical multimeter
- Leveling instrument
- Pipe wrench set
- Safety equipment (gloves, goggles)
Step-by-Step Installation
- Site Preparation: Select a clean, dry, well-ventilated location with adequate space for maintenance access and proper airflow.
- Foundation Requirements: Ensure solid, level concrete foundation capable of supporting compressor weight and vibration.
- Electrical Connection: Connect to proper voltage supply (see specifications) with appropriate circuit protection. All electrical work must comply with local codes.
- Air System Connection: Install proper air piping with minimum pressure drop. Include isolation valves, pressure relief valves, and moisture separators.
- Cooling System Setup: Ensure adequate ventilation for air-cooled models or connect water cooling system for water-cooled units.
- Oil System Check: Verify proper oil level and install oil filtration system as required.
- Initial Startup Procedure: Perform pre-start checklist, verify rotation direction, and conduct initial run-in period.
Specifications
| Model Series | LS Series Rotary Screw Compressors |
| Compressor Type | Oil-Injected Rotary Screw |
| Drive System | Direct Drive / Gear Drive Options |
| Air Delivery | 50 - 500 CFM (varies by model) |
| Working Pressure | 100 - 175 PSIG |
| Motor Power | 25 - 300 HP |
| Control System | Microprocessor Control with Touch Display |
| Sound Level | 70 - 75 dBA |
| Cooling System | Air Cooled / Water Cooled Options |
| Power Requirements | 380-480V, 3 Phase, 50/60Hz |
| Dimensions (LxWxH) | Varies by model (approx. 150 x 80 x 150 cm) |
| Weight | 800 - 2500 kg |
Warranty Information
- Standard Warranty: 2 years parts and labor
- Air End Warranty: 5 years on rotary screw air end
- Extended Coverage: Optional maintenance contracts available
For warranty service, contact Sullair Customer Service at 1-800-888-0000 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.
Intelligent Control System
Advanced microprocessor control optimizes performance, monitors system parameters, and provides diagnostic information for preventive maintenance.
Energy Efficient Operation
Variable speed drive options and efficient compression design reduce energy consumption by matching output to air demand.
Durable Construction
Heavy-duty industrial construction with corrosion-resistant components ensures long service life in demanding environments.
Advanced Filtration System
Multi-stage filtration system removes contaminants, moisture, and oil from compressed air, delivering clean, dry air for sensitive applications.
Quiet Operation
Sound-attenuated enclosures and vibration isolation reduce noise levels for improved workplace environment.
Operating Modes Explained
Load/Unload Mode
Traditional control method where compressor loads at full capacity and unloads when pressure reaches setpoint
Modulating Control
Continuously adjusts compressor output to match air demand for improved efficiency
Variable Speed Drive
Adjusts motor speed to precisely match air demand, maximizing energy savings
Dual Control
Combines multiple control strategies for optimal performance across varying demand
Network Control
Multiple compressors can be networked for coordinated control and optimal system efficiency
Remote Monitoring
Connectivity options allow remote monitoring and control via computer or mobile devices
Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Compressor won't start | Power issue, safety interlock, control fault | Check power supply, verify safety switches, reset control system |
| Low air pressure | Air leaks, clogged filters, system demand exceeds capacity | Check for leaks, replace filters, verify system demand |
| High operating temperature | Cooling system issue, dirty cooler, low oil level | Clean cooler, check oil level, verify cooling fan operation |
| Excessive oil consumption | Oil separator failure, internal leaks, overfilling | Replace separator element, check for leaks, verify oil level |
| Unusual noises | Bearing wear, loose components, foreign objects | Inspect bearings, tighten components, check for obstructions |
| Frequent shutdowns | Overheating, electrical fault, high pressure | Check temperature sensors, electrical connections, pressure settings |
Error Codes
- E01: High temperature - Check cooling system and oil level
- E02: High pressure - Verify pressure settings and relief valves
- E03: Motor overload - Check electrical supply and motor condition
- E04: Low oil pressure - Check oil level and pump operation
- E05: Phase failure - Verify three-phase power supply
- E06: Sensor fault - Check temperature and pressure sensors
- E07: Communication error - Check control system connections
Manual Downloads
Current Model Manuals
LS-100
100 HP Rotary Screw Compressor
LS-75VSD
75 HP Variable Speed Drive
LS-200
200 HP Industrial Compressor
LS-50
50 HP Standard Model
Popular Previous Models
36K Series
Older Industrial Series
LS-40
40 HP Standard Compressor
90VSD Series
90 HP Variable Speed
LS-30
30 HP Compact Model