Bitzer HSK7471-90 Semi-Hermetic Screw Compressor

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Technical Specifications

• Model: HSK7471-90

• Refrigerant: R404A (compatible with R134a, R507A, R407A/F, R448A, R449A, R1234yf, R1234ze, R515B)

• Cooling Capacity: 131.1 kW (at -10°C evaporating / 45°C condensing)

• Power Input: 69.0 kW

• COP (Efficiency): 1.90

• Displacement:

  • 50Hz: 250 m³/h

  • 60Hz: 302 m³/h

• Voltage: 380–415V / 3 Phase / 50Hz

• Max Operating Current: 162.0 A

• Starting Current (Rotor Locked): 423.0 A (D) / 686.0 A (DD)

• Max Power Input: 92.0 kW

• Weight: Approx. 336 kg

• Suction Connection: 76 mm – 3 1/8”

• Discharge Connection: 54 mm – 2 1/8”

• Sound Pressure Level @ 1m: 79.0 dB(A)

• Capacity Control: 100–75–50%

• Integrated Features:

  • Discharge gas temperature sensor

  • Start unloading

  • Oil flow control

  • Motor protection

  • Suction shut-off valve

• Optional Upgrades:

  • Discharge shut-off valve

  • ECO connection

  • Sound measurement kit

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Key Features

✅ Unmatched Cooling Capacity: Delivers up to 131.1 kW for large-scale industrial refrigeration.

✅ German Engineering Excellence: Built for reliable 24/7 operation in challenging environments.

✅ Stepless Capacity Control: Adjusts from 100% to 50% for optimized energy efficiency.

✅ Advanced Monitoring: Fully compatible with the Bitzer IQ Module for diagnostics and control.

✅ Versatile Refrigerant Use: Works with modern, low-GWP refrigerants to future-proof your system.

✅ Low Noise Operation: Maintains a sound level of 79.0 dB(A) for quieter workplaces.

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Applications

• Large cold storage warehouses

• Food processing plants and logistics centers

• Industrial process cooling

• Marine and offshore refrigeration

• Centralized commercial refrigeration

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Shipping & Availability

✅ Standard Voltage: 380–415V / 3 Phase / 50Hz

✅ Global Shipping: Export-grade packaging ensures safe worldwide delivery

✅ Lead Time: Standard 50Hz electrical version is typically in stock. For special electrical configurations (60Hz or other voltages), please allow an additional 2–3 weeks.