RefComp's asymmetric 5/6-tooth rotor profile helps the twin screw compressor achieve smoother rotor engagement and reduced vibration. Its optimized geometry supports efficient compression and stable mechanical operation in low-temperature refrigeration systems.
The SW3L-8000 semi-hermetic screw type compressor features optimized internal gas passages that help reduce suction resistance and flow losses. Its integrated housing brings key components together, simplifying equipment layout while supporting smoother refrigerant flow.
The integrated 100 μm suction filter removes impurities from incoming refrigerant gas before they reach the motor. This helps protect internal components from contamination and reduces the risk of damage caused by foreign particles.
The RefComp screw compressor features 360° rotatable suction and discharge shut-off valves for more flexible pipe routing and easier installation. An integrated discharge check valve also helps prevent refrigerant backflow during shutdown.
| Model | SW3L-8000 |
|---|---|
| Rated power | 80HP / 60KW |
| Displacement 50/60Hz | 286 / 343 m³/hr |
| Weight | 520 KG |
| Capacity Regulation | 25%, 50%, 75%, 100% 4-step; 25%–100% stepless |
| Standard Motor | Y/△ – 400V/3/50Hz – 460/3/60Hz |
| Star/Delta Start Current | 223 / 670 A |
| Max operating current | 139 A |
Q1: How do I select the SW3L-8000 for a low-temperature refrigeration system?
When selecting a semi-hermetic screw type compressor, provide the required cooling capacity, refrigerant, evaporating and condensing temperatures, power supply and expected load conditions. Verify that the operating requirements fall within the compressor's approved application range.
Q2: What should I consider when choosing a capacity-control configuration?
For a screw compressor for refrigeration systems, the choice between stepped and stepless capacity regulation depends on load variation and controller requirements. Confirm the selected control mode, signal compatibility and slide-valve arrangement before ordering.
Q3: What should be checked in the oil circuit before commissioning?
Verify that the oil separation and return arrangement meets the compressor's lubrication requirements. Check oil-line connections, filtration and flow-protection devices according to the manufacturer's installation instructions to help ensure reliable oil circulation.
Q4: What should be checked if the compressor fails to start?
If the semi-hermetic screw type compressor does not start, check the power supply, motor starter, phase sequence and INT69 SNY protection module for fault indications. Identify and correct the underlying problem before attempting another startup.
