Hanbell RC2-550B-Z RC2-550B-W AC Screw Refrigeration Compressor for Condensing Unit
Product Overview
The RC2-550B AC screw compressor is engineered to deliver continuous high-tonnage cooling for modern central air conditioning systems and commercial chiller plants. Built around low thermal stress design principles and advanced fluid mechanics, it minimizes total cost of ownership while maintaining structural stability under heavy continuous operations.
Optimized Fluid Dynamics & Acoustic Suppression
Designed with computational fluid dynamics (CFD) modeled internal gas channels, this AC screw compressor reduces suction gas pressure drops and internal gas turbulence. The precision-balanced twin rotors operate within a double-walled cast iron chamber that actively dampens operational resonance, establishing low-vibration performance essential for acoustic-sensitive commercial installations.
Thermal Stress Reduction & Extended Service Life
Engineered for demanding high-load cycles, the motor winding architecture incorporates targeted cooling guide paths that lower internal thermal stress during peak operation. Paired with high-grade synthetic oil lubrication channels and micro-oil film protection across all journal bearings, this compressor maximizes mechanical life and extends scheduled maintenance intervals.
Adaptive System Integration & Multi-Refrigerant Engineering
- Rapid Thermal Load Tracking: Hydraulic slide-valve capacity control provides rapid response to dynamic building cooling demands via 4-stage step regulation (25% - 50% - 75% - 100%) or continuous stepless modulation (25% - 100%).
- Multi-Refrigerant Versatility: Fully compatible with R22, R407C, R404A, and R507A refrigerants, allowing seamless installation across varied climate control platforms.
- Fail-Safe Electronic Safeguards: Standard embedded PTC sensor networks provide real-time protection against electrical phase sequence errors, phase loss, motor coil overheating, and abnormal discharge temperatures.
Applications
- Large Commercial HVAC & Central Chillers: Ideal for shopping malls, office towers, airport terminals, and district cooling systems requiring stable high-capacity chilling.
- Precision Industrial Environmental Control: Delivers stable temperature control for semiconductor manufacturing plants, cleanrooms, and pharmaceutical labs.
- Agricultural & Logistics Cold Parks: Provides heavy-duty displacement capacity for cold storage distribution centers, food processing facilities, and bulk refrigeration facilities.
- Marine & Offshore Air Conditioning: Suitable for specialized marine cooling installations demanding low vibration and high mechanical reliability under variable power conditions.
Product Image
Technical Parameters
| Model |
RC2-550B-Z, RC2-550B-W |
| Cooling Type |
Air Cooled/Water Cooled |
| Nominal Power (60/50Hz) |
195/162 HP |
| Displacement (60/50Hz) |
660/549 m³/hr |
| Refrigerant Type |
R22, R407C, R404A, R507A |
| Cap. Control (step) |
25-50-75-100% |
| Cap. Control (stepless) |
25-100% |
| Lubricant Charge |
23 L |
| Oil Heater |
150/300 W |
| Weight |
850 KG |
Company Introduction
Coolstart stands as an international leader in commercial and industrial thermal management, combining advanced fluid machinery research with modern automated manufacturing. Specialized in robust cooling solutions, our engineering portfolio spans precision screw compressors, semi-hermetic systems, and integrated cold storage machinery designed to perform in demanding climate environments. Serving an expansive partner network across North America, Europe, the Middle East, and Asia-Pacific, Coolstart drives system longevity through rigorous ISO-certified quality assurance, customized OEM development, and responsive global technical support.
Frequently Asked Questions
Q1: How does the RC2-550B compressor reduce operational noise and vibration in commercial buildings?
A1: The model utilizes CFD-optimized gas pathways combined with a double-walled FC25 gray iron casing and precision dynamic rotor balancing to absorb mechanical resonance and suppress fluid noise.
Q2: What features help lower the total cost of ownership (TCO) for system operators?
A2: Suction-gas-guided motor cooling reduces winding heat stress, while micro-oil film lubrication on all bearings minimizes mechanical friction and extends service intervals.
Q3: Which refrigerants are certified for use with the RC2-550B?
A3: The compressor operates efficiently with R22, R407C, R404A, and R507A refrigerants across medium- and low-temperature applications.
Q4: What are the standard order lead times for sample and bulk shipments?
A4: Samples in stock ship within 3 business days, while volume factory orders are completed within 10 to 15 working days.
Q5: What commercial terms and customization support does Coolstart offer?
A5: We offer full OEM/ODM customization (voltage, nameplates, packaging) under FOB Shenzhen or EXW terms, backed by a 1-year standard warranty.
Request a Fast Quote for RC2-550B
Our application engineering team provides custom system integration proposals and direct factory quotes within 8 hours of receiving your request. Contact Coolstart today to enhance your cooling plant efficiency and receive a tailored quotation.