Refcomp SW3L-20000 200HP 149KW R407C Semi-Hermetic Screw Air Conditioning Compressor
Refcomp SW3L-20000 screw compressor
,200HP 149KW semi-hermetic compressor
,R407C air conditioning compressor
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Optimized Asymmetric Rotor Design
RefComp's 5/6 asymmetric rotor profile supports smooth compression, helping the screw air conditioning compressor reduce gas pulsation, vibration and operating noise.
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Compact 25-Bar Housing
The semi-hermetic screw compressor features a housing rated for working pressures up to 25 bar. Optimized internal gas passages help reduce flow resistance, while its integrated construction simplifies system installation.
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Integrated Pressure Safety Valve
An internal safety valve connects the high- and low-pressure sides, helping prevent excessive pressure differentials within the compressor housing and providing additional operating protection.
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Motor Starting and Cooling
The standard star-delta starting configuration helps manage motor starting current. Suction-gas cooling also helps maintain suitable motor temperatures during operation in low-temperature refrigeration applications.
| Parameter | Value |
|---|---|
| Model | SW3L-20000 |
| Rated power | 200HP / 149KW |
| Exhaust volume 50/60Hz | 600 / 720 m³/hr |
| Weight | 1050 Kg |
| Capacity Regulation | 100%, 75%, 50%, 25% (stepless 100%–25%) |
| Standard motor | Y/△ – 400V/3/50Hz – 460/3/60Hz |
| LRA Y/Δ | 543 / 1645 A |
| Max Operating Current | 270 A |
Q1: How can I confirm whether this compressor is suitable for my air conditioning project?
For screw air conditioning compressor selection, provide the required cooling capacity, refrigerant, evaporating and condensing temperatures, and operating frequency. The final selection should be verified against manufacturer performance data.
Q2: What electrical preparations are required before commissioning?
Check the power supply, star-delta starter configuration, phase sequence and motor protection settings. Ensure that the electrical installation is completed and inspected by qualified personnel.
Q3: What operating conditions should operators monitor during routine operation?
For a low-temperature screw compressor, regularly monitor suction and discharge pressures, operating temperatures, motor current, vibration and unusual noise. Compare operating records with the commissioning baseline to identify abnormal changes.
Q4: What should I check when replacing an existing compressor in an HVAC system?
When replacing a screw air conditioning compressor, verify refrigerant and lubricant compatibility, piping connections, electrical requirements and control-system compatibility. Also confirm that the installation space and maintenance access are suitable.
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