Dual Stage Ultra Low Temperature Semi Hermetic Condensing Unit 2CES-4Y-DS
Two-stage compression technology achieving -40°C evaporating temperatures for blast freezers, quick-freeze tunnels, and ultra-low temperature cold storage applications.
1910W @ -35°C
Cooling Capacity
380V/3PH/50Hz
Power Supply
Product Introduction
The 2CES-4Y-DS is a premium Semi Hermetic Condensing Unit engineered by KUB Refrigeration Equipment Co., Ltd, designed to deliver exceptional cooling performance for commercial and industrial cold storage applications. This unit integrates a high-efficiency semi hermetic reciprocating compressor with a perfectly matched air-cooled condenser, providing a compact yet powerful refrigeration solution.
Manufactured in Shanghai, China, with over 20 years of refrigeration engineering expertise, the 2CES-4Y-DS combines advanced compressor technology with robust construction to ensure long-term reliable operation. Every unit undergoes rigorous factory testing including pressure tests, electrical safety checks, and performance validation before shipment.
Features & Characteristics
- High-Efficiency Semi Hermetic Compressor: Serviceable reciprocating design with precision-machined components for extended service life and easy field maintenance.
- Optimized Condenser Design: High-efficiency finned tube condenser with large-diameter axial fans delivers superior heat rejection and stable condensing pressure.
- Multi-Layer Safety Protection: Integrated controller with phase loss/sequence protection, high/low pressure cutouts, oil pressure safety switch, and motor overload protection.
- Wide Refrigerant Compatibility: Engineered to operate with multiple refrigerants, providing flexibility for different regional requirements and application needs.
- Low Vibration Operation: Optimized mass balance design with vibration isolation mounts ensures quiet, stable operation suitable for various installation environments.
- Factory Pre-Charged & Tested: Pre-wired control panel, pre-piped connections, and comprehensive factory testing minimize on-site installation time.
- Weather-Resistant Construction: Durable powder-coated steel frame and weather-protected electrical enclosure suitable for indoor and sheltered outdoor installation.
- Energy-Efficient Motor: High-efficiency motor with broadband characteristics delivers optimal performance at both full-load and part-load conditions.
Why Choose KUB?
- 20+ Years of Expertise: KUB has specialized in refrigeration equipment manufacturing since 2000, serving customers in over 30 countries worldwide.
- Rigorous Quality Control: Every unit undergoes comprehensive factory testing including pressure tests, electrical safety verification, and full-load performance runs.
- Global Certifications: Our products meet CE standards and comply with international refrigeration safety and performance requirements.
- One-Year Comprehensive Warranty: Full coverage on manufacturing defects with responsive after-sales support and readily available spare parts.
- Customization Capability: Our engineering team can customize units to meet specific voltage, refrigerant, and application requirements.
- Competitive Value: Factory-direct pricing with premium component quality delivers exceptional return on investment for cold storage operators.
- Fast Global Shipping: Efficient logistics network ensures timely delivery to ports worldwide with professional export packaging.
Technical Specifications
| Parameter | Specification |
|---|
| Model | 2CES-4Y-DS |
| Compressor Type | Semi Hermetic Two Stage |
| Horsepower | 4HP |
| Stages | 2 (Low Stage + High Stage) |
| Displacement (Low Stage) | 12.1 m³/h |
| Displacement (High Stage) | 6.5 m³/h |
| Power Supply | 380V/3PH/50Hz |
| Minimum Evaporating Temp | -40°C |
| Evaporating Temp Range | -40°C to -25°C |
| Cooling Capacity @ -35°C | 1910W |
| Cooling Capacity @ -30°C | 2890W |
| Refrigerant | R404a / R507 |
| Condenser Type | Air Cooled Finned |
| Number of Fans | 2 * 350mm Axial |
| Suction Line | 22mm (7/8") |
| Liquid Line | 12mm (1/2") |
| Subcooler | Integrated |
| Oil Management | High-Efficiency Oil Separator + Reservoir |
| Net Weight | 210kg |
| Dimensions (L*W*H) | 1150 * 720 * 800mm |
| Oil Type | B5.2 Refrigeration Oil |
| Certification | CE |
| Warranty | 1 Year |
Applications
Engineered for blast freezers, quick-freeze tunnels, IQF (Individually Quick Frozen) processing lines, pharmaceutical cold storage, tuna and seafood freezing, ice cream hardening rooms, and any application requiring reliable performance at -30°C to -40°C.
Frequently Asked Questions
Q: Why use two-stage compression instead of single-stage?
A: At -40°C evaporating temperature, single-stage compression would result in excessively high discharge temperatures and poor efficiency. Two-stage compression with inter-stage cooling reduces discharge temperature and improves COP significantly at ultra-low temperatures.
Q: What refrigerants can be used?
A: The dual-stage unit is optimized for R404a and R507 which are the industry standards for low and ultra-low temperature applications. These refrigerants provide the best capacity and efficiency at the target temperature range.
Q: Does this unit require special installation?
A: Standard refrigeration installation practices apply, but attention to proper oil return piping is critical for two-stage systems. We provide detailed installation guidelines and our technical team is available for support.
Q: What is the power consumption at -40°C?
A: Power consumption varies with operating conditions. At -35°C evaporating / +35°C ambient, approximate power input is 3.2kW. We can provide detailed performance data for your specific conditions.
Q: Can this unit be used as a drop-in replacement for single-stage units?
A: The two-stage system has different piping and control requirements compared to single-stage. We recommend consulting our technical team to evaluate your existing system compatibility.
Packaging & Shipping
- Packaging: Export-standard plywood case/pallet with moisture-proof wrapping and reinforced corner protection.
- Shipping Port: Shanghai/Ningbo, China
- Delivery Time: 15-25 working days after order confirmation, depending on configuration and quantity.
