Refcomp SP6H5000 SP6H500E Semi-Hermetic Refrigeration Compressor
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Three-Stage Step Load Matching
Featuring 100%, 66%, and 33% energy regulation, this semi-hermetic refrigeration compressor efficiently matches fluctuating cooling demand to reduce power consumption during part-load operation.
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6-Cylinder High-Displacement Design
Delivers up to 185.3 m³/h displacement via optimized gas flow channels, ensuring low pressure drop and stable volumetric efficiency in large-capacity systems.
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Wide Grid & Refrigerant Compatibility
Engineered for versatile deployment with R22, R134a, R404A, R407C, and R507 refrigerants across 400V/50Hz and 460V/60Hz industrial power networks.
| Model | SP6H5000, SP6H500E |
|---|---|
| Rated Power | 50HP/37.3KW |
| Exhaust Volume (50Hz/60Hz) | 154.4/185.3 m³/hr |
| Refrigerant Type | R22, R407C, R134a, R404A, R507 |
| Weight | 250KG |
| Oil Charge | 4.2L |
| Voltage | 400V/3/50Hz, 460V/3/60Hz PW |
| Starting Current PW/DOL | 233/394A |
| Max Operating Current | 93A |
The electrical system must accommodate a maximum operating current of 93 A and starting currents up to 233 A (Part Winding) or 394 A (Direct On Line) at 400V/50Hz.
Install suction line accumulators, slope horizontal suction lines back toward the compressor, and ensure liquid line solenoid valves close tightly during pump-down cycles.
Tripping usually results from excessive discharge temperatures, insufficient suction gas cooling, phase unbalance, or prolonged high-current operation near the 93 A limit.
Verify matching mounting dimensions, electrical supply capacity, suction/discharge pipe diameters (54 mm / 42 mm), and required cooling capacity at operating temperatures.
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