Bitzer S4T-5.2Y Two-Stage Semi-Hermetic Compressor

🔧 Technical Data Summary

• Displacement (50Hz, 1450rpm): 19.70 / 12.60 m³/h

• Displacement (60Hz, 1750rpm): 23.78 / 15.21 m³/h

• No. of Cylinders × Bore (LP/HP) × Stroke: 4 × 60/48 mm × 40 mm

• Weight: 136 kg

• Max Pressure (LP / MP / HP): 19 / 19 / 28 bar

• Suction Line Connection: 28 mm – 1 1/8”

• Discharge Line Connection: 22 mm – 7/8”

• Max Operating Current: 14.0 A

• Starting Current (Rotor Locked): 39.0 A (Y) / 68.0 A (YY)

• Max Power Input: 6.9 kW

• Cooling Capacity (R404A, t₀ = -35°C, t𝑐 = 40°C): 6.09 kW

• Power Input: 4.36 kW

• COP (Efficiency): 1.40

• Condenser Capacity: 10.44 kW

• Oil Charge: 3.00 L

🛢️ Oil Compatibility

• R404A / R507A / R448A / R449A / R454C → BSE32 (Standard)

• R22 → B5.2 (Optional)

✅ Why Choose the Bitzer S4T-5.2Y?

• Reliable performance in ultra-low temperatures, including t₀ = -35°C

• Designed for intensive industrial and commercial freezing systems

• Efficient two-stage compression for reduced energy consumption

• Equipped with standard protection and monitoring features

• Engineered by Bitzer – a global leader in refrigeration reliability

📦 Standard Features

• SE-B2 motor protection

• IP54 enclosure class (IP66 optional)

• TX valve for liquid injection

• Sight glass, filter drier, and solenoid valve

• Vibration dampers

• Optional: Oil heater, discharge sensor, Delta P II monitoring

🚚 Shipping & Availability

• ✅ In Stock: Standard 380–420V / 50Hz models

• ⚙️ Custom builds (60Hz or special voltage) with 3–4 week lead time

• 📦 Export-grade packaging for safe international shipping

• 🌍 Delivery options: air, sea, and express freight available

📥 Technical Datasheet & Support

Get the complete PDF with performance curves, installation diagrams, and advanced specs.

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