Refcomp SRC-S(W)-603 SRC-S-603-L4 Semi-Hermetic Screw Compressor for Heat Pump
Semi-Hermetic Screw Compressor
,SRC-S-603 Heat Pump Compressor
,Refcomp Screw Compressor
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Optimized Asymmetric Rotor Design
This semi-hermetic screw compressor uses RefComp's 5/6 asymmetric rotor profile to support smooth compression, reducing gas pulsation, vibration and operating noise.
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Integrated Oil Separation System
A built-in multi-stage oil separator with layered oil-mist filtration achieves a stated separation efficiency of 99.85%, helping the industrial refrigeration screw compressor minimize oil carryover and maintain internal lubrication.
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Flexible Shut-Off Valve Configuration
This semi-hermetic refrigeration compressor features 360° rotatable suction and discharge shut-off valves for easier piping connections. An internal discharge check valve helps prevent refrigerant backflow during shutdown.
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Adaptable Motor Starting and Cooling
The semi-hermetic screw compressor supports partial-winding or star-delta starting configurations to reduce starting current, while suction-gas cooling helps maintain suitable motor operating temperatures.
| Parameter | Value |
|---|---|
| Model | SRC-S(W)-603 | SRC-S-603-L4 |
| Rated power | 220HP / 164KW |
| Exhaust volume 50/60Hz | 700/840 m³/hr |
| Weight | 1020 Kg |
| Oil Charge | 20 L |
| Cooling Capacity Regulation | 100%, 75%, 50%, 25% (stepless 100%–25%) |
| Standard motor | 400/3/50Hz – 460/3/60Hz |
| LRA Y/Δ | 543/1645 A | 595/1802 A |
Q1: How can I determine whether the SRC-S(W)-603 meets my refrigeration capacity requirements?
To select this semi-hermetic screw compressor, provide the required cooling capacity, refrigerant, evaporating and condensing temperatures, and operating frequency. Its displacement is 700 m³/h at 50Hz and 840 m³/h at 60Hz, but actual cooling capacity must be verified against the manufacturer's performance data.
Q2: What should be considered when connecting this compressor to an economizer circuit?
The RefComp screw compressor provides a 42mm economizer connection and a 10mm liquid injection connection. Confirm the piping arrangement, control requirements and system operating conditions before integrating these connections.
Q3: How should capacity regulation be configured for changing refrigeration loads?
The SRC-S series specifies 100%, 75%, 50% and 25% capacity stages, with stepless regulation from 100% to 25%. Verify the supplied control configuration and controller compatibility to ensure proper load matching.
Q4: What should I check if the motor protection system trips during startup?
Check the three-phase power supply, phase sequence, motor wiring and PTC sensor circuit. The INT69 SNY protection module should not be bypassed; identify and correct the fault before restarting.
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