Refcomp SW3L-3000 30HP 400V 460V Low-Temp Semi-Hermetic Screw Compressor
| Displacement 50/60Hz: | 118/142 M³/hr | Refrigerant: | R22, R407C, R404A, R507A, R134a, R410A |
| Energy regulation: | 100%,75%,50%,25%(stepless 100%-25%) | Application: | HVAC,Cold Room,Condensing Unit,Air Conditioning |
| Horse Power: | 30HP/22 KW | Voltage: | 400V/3/50Hz-460V/3/60Hz |
| High Light: | SW3L-3000 30HP screw compressor,400V 460V semi-hermetic compressor,low-temp refrigeration screw compressor |
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The Refcomp SW3L-3000 is a 30HP (22kW) low-temperature semi-hermetic screw compressor engineered for reliable refrigeration performance. Its asymmetric screw rotor design, flexible capacity regulation, integrated motor protection and high-precision bearing assembly work together to deliver stable, efficient operation under demanding low-temperature conditions.
Featuring RefComp's asymmetric screw rotor profile and 5/6 rotor configuration, the compressor provides precise meshing, effective lubrication and smooth compression. The optimized rotor geometry helps reduce vibration and gas pulsation, supporting efficient operation of the semi-hermetic screw compressor.
The compressor supports four-step capacity control at 25%, 50%, 75% and 100%, with optional stepless regulation from 25% to full load. This allows the semi-hermetic screw compressor to adapt its output to changing cooling requirements, improving load matching and reducing unnecessary full-load operation.
The integrated INT69 SNY protection module monitors motor operating conditions and provides protection against overheating, reverse phase and phase loss. Six PTC thermistors embedded in the motor windings provide temperature monitoring, helping safeguard the motor during demanding low-temperature operation.
The multi-bearing configuration accommodates axial and radial loads while helping reduce mechanical wear and operating noise. High-precision bearings, wear-resistant materials and specialized lubrication support smooth operation and long-term mechanical reliability.
| Model | SW3L-3000 |
|---|---|
| Standard Motor Power | 30HP / 22KW |
| Displacement (50/60Hz) | 118 / 142 m³/h |
| Weight | 245 KG |
| Capacity Regulation | 100%, 75%, 50%, 25% (stepless 100%–25%) |
| Standard Motor | Y/△-400/3/50Hz-460/3/60Hz |
| LRA Y/Δ | 110 / 331 A |
| Max Operating Current | 65 A |
For accurate technical selection and quotation, provide your required cooling capacity, refrigerant, evaporating temperature, condensing temperature, cooling medium and power supply. The intended application and expected operating hours are also useful for evaluating the semi-hermetic screw compressor configuration.
Yes. The SW3L series supports four-step capacity regulation and optional stepless adjustment. This allows the compressor to respond to changing refrigeration demand, making it suitable for systems with fluctuating loads, such as cold storage facilities.
Prepare a suitable equipment foundation, refrigerant piping connections, oil piping connections and the required electrical supply. Allow sufficient space around the compressor for piping installation, inspection and routine maintenance.
Establish a regular inspection schedule covering lubricating oil, bearing condition, motor protection devices and refrigerant system cleanliness. Monitoring operating temperatures, pressure and abnormal vibration can also help identify potential problems before they cause unplanned downtime.
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