Refcomp SW3L-16000 170HP 127KW Commercial Screw AC Semi-Hermetic Compressor
Refcomp SW3L-16000 screw compressor
,170HP semi-hermetic AC compressor
,127KW commercial screw compressor
The screw AC compressor uses RefComp's 5/6 asymmetric rotor profile to support smooth compression, helping reduce gas pulsation, vibration and operating noise in low-temperature refrigeration compressor applications.
This semi-hermetic AC compressor supports partial-winding or star-delta starting to manage startup current. Suction-gas flow is also used to cool the motor during operation.
An internal safety valve connects the high- and low-pressure sides, helping prevent excessive pressure differences within the compressor housing and providing additional system protection.
The screw AC compressor features suction and discharge shut-off valves that rotate through 360° for flexible piping arrangements. An internal discharge check valve helps prevent refrigerant backflow during shutdown.
| Parameter | Value |
|---|---|
| Model | SW3L-16000 |
| Rated power | 170HP / 127KW |
| Exhaust volume 50/60Hz | 510 / 612 m³/hr |
| Weight | 710 Kg |
| Capacity Regulation | 100%, 75%, 50%, 25% (stepless 100%–25%) |
| Standard motor | Y/△ – 400V/3/50Hz – 460/3/60Hz |
| LRA Y/Δ | 374 / 1155 A |
| Max Operating Current | 236 A |
Q1: What should I confirm before selecting a screw AC compressor for an existing system?
Provide the refrigerant, required cooling capacity, evaporating and condensing temperatures, operating frequency and electrical supply. For a screw compressor for AC applications, final selection should be verified against manufacturer performance data.
Q2: What should I check before replacing an installed compressor?
Compare the refrigerant, operating conditions, suction and discharge connections, oil-line arrangement, motor supply and installation dimensions. These checks are particularly important when evaluating an industrial refrigeration screw compressor for a system retrofit.
Q3: What may cause the motor protection module to trip repeatedly?
Check the power supply, phase sequence, PTC sensor wiring, motor temperature and suction-gas cooling conditions. Correct the underlying problem before resetting the protection module.
Q4: Which components should be included in routine maintenance?
Inspect the suction and discharge valves, check valve operation, filter cleanliness, lubricant condition and changes in vibration or noise. Follow the manufacturer's maintenance instructions for inspection intervals and replacement parts.
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