Bitzer 4N.2Y-K Open-Type Reciprocating Compressor

🔧 Technical Data Summary

• Model: 4N.2Y-K

• Refrigerant: R404A (compatible with R134a, R507A, R407C, and R22)

• Evaporating Temp: -10°C

• Condensing Temp: 45°C

• Displacement (50Hz): 56.1 m³/h

• Displacement (60Hz): 67.7 m³/h

• Cooling Capacity: 29.6 kW

• Power Input: 11.96 kW

• COP/EER: 2.48

• Cylinders: 4 × 60 mm bore × 57 mm stroke

• Weight: 77 kg

• Max Pressure: 19 bar (LP) / 25 bar (HP)

• Suction Line: 35 mm – 1 3/8”

• Discharge Line: 28 mm – 1 1/8”

• Oil Type: BSE32 / BSE55 (standard for R404A, R407C, R507A) / B5.2 for R22

• Oil Charge: 4.0 L

✅ Key Features & Benefits

• High cooling capacity for medium-temperature refrigeration systems

• Designed for continuous operation in demanding environments

• Compatible with a wide range of modern refrigerants

• Standard features include suction and discharge shut-off valves

• Optional features for enhanced performance:

  • Capacity control (100%–50%)

  • Water-cooled cylinder heads

  • Oil heater

  • Discharge gas temperature monitoring

  • Marine application kit

⚙️ Motor & Coupling Recommendations

• Recommended Motor Power: 15.0 kW

• Motor Size: 160L

• Coupling Model: KK420

• Coupling Housing: GK4440

📦 Shipping & Availability

✅ Standard 380–420V / 50Hz models available

⚙️ Custom 60Hz configurations available upon request (lead time: 3–4 weeks)

📦 Export-grade packaging for safe global shipping

🌍 Applications

• 🏭 Large-scale cold storage and distribution centers

• 🥩 Food processing and industrial refrigeration

• 🛒 Supermarket central cooling systems