Bitzer 4TES-12Y Semi-Hermetic Reciprocating Compressor

🔧 Technical Data Summary

• Displacement (1450rpm, 50Hz): 41.33 m³/h
• Displacement (1750rpm, 60Hz): 49.88 m³/h
• No. of Cylinders × Bore × Stroke: 4 × 60 mm × 42 mm
• Weight: 147 kg
• Max Pressure (LP / HP): 19 bar / 32 bar
• Suction Line Connection: 35 mm – 1 3/8”
• Discharge Line Connection: 28 mm – 1 1/8”
• Max Operating Current: 25.1 A
• Starting Current (Rotor Locked): 69.0 A (Y) / 113.0 A (YY)
• Max Power Input: 14.0 kW
• Cooling Capacity (R404A, t₀ = -10°C, t𝑐 = 45°C): 21.0 kW
• Power Input: 9.02 kW
• COP (Efficiency): 2.32
• Discharge Temp: 90.7°C
• Sound Level: 74.3 dB(A) @ -10°C / 45°C
• Oil Type:
• R404A/R507A/R407A/F → BSE32 (Standard)
• R134a >70°C → BSE55 (Option)
• R22 → B5.2 (Option)
• R1234yf → BSE32 / BSE55
• R1234ze → BSE55 / BSE85K
• R454C/R455A → BSE32

• Application: Cold storage warehouses, large commercial chillers, food industry cooling

🔵 Why Choose the 4TES-12Y?

• High-capacity compressor for industrial refrigeration
• Excellent energy efficiency in low-temp conditions
• Durable build for long service life
• Works with eco-friendly refrigerants
• Quiet, low-vibration operation for smooth system integration

📦 Need a Condensing Unit or Other Bitzer Models?

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🚚🌍 Shipping

• Stock models (380V / 50Hz) ready for dispatch
• Custom configurations (60Hz or specific voltages) available in 3–4 weeks

📑 For More Technical Data:

The full datasheet includes detailed specs, sound ratings, IQ module options, installation diagrams, and performance charts.