Bitzer HSN7471-75 Semi-Hermetic Screw Compressor

🔧 Technical Data Summary

• Cooling Capacity (R404A, t₀ = -35°C, t𝑐 = 40°C): ~60–70+ kW

• Power Input: Up to 57.5 kW

• COP (Efficiency): ~1.22

• Displacement:

  • 50Hz: 245 m³/h

  • 60Hz: 295 m³/h

• Weight: ~335–340 kg

• Suction Line: 76 mm – 3 1/8”

• Discharge Line: 54 mm – 2 1/8”

• ECO Line Adapter (Optional): 22 mm – 7/8”

• Max Operating Current: ~132 A

• Starting Current (Rotor Locked): 310 A (Y) / 520 A (YY)

• Max Power Input: 77.0 kW

• Sound Power Level: ~89.0 dB(A)

• Sound Pressure Level @ 1m: ~81.0 dB(A)

🛢️ Oil Management & ECO Support

• Oil Types:

  • R404A / R507A / R407A/F / R448A / R449A / R454C → BSE170

  • R22 → B150SH / B100 (optional)

• Standard Features:

  • SE-B3 oil flow monitoring

  • SE-E1 motor protection

  • Suction shut-off valve

  • Discharge gas temperature sensor

  • Capacity modulation: 100% / 75% / 50%

• Optional:

  • Discharge shut-off valve

  • Shaft seal oil cooling

  • ECO shut-off valve

  • Vibration sensor & additional monitoring points

✅ Why Choose the Bitzer HSN7471-75?

• Built for deep-freezing applications at -45°C

• Extremely large cooling displacement for major industrial systems

• Pre-configured for ECO functionality to improve system efficiency

• Trusted by food processing, pharmaceutical export, and logistics leaders worldwide

• Delivers continuous-duty performance in high-load, 24/7 environments

📦 Applications

• Blast freezer tunnels

• Ultra-low temp storage for seafood, meat, and poultry

• Pharmaceutical and vaccine logistics

• Export-grade frozen food warehousing

• Mega cold room facilities and refrigeration centers

🚚 Shipping & Availability

• ✅ 380–415V / 50Hz models in stock

• ⚙️ 60Hz and special voltage configurations: 3–4 week lead time

• 📦 Secured export packaging

• 🌍 Available via air, sea, or express delivery worldwide

📥 Request the Full Datasheet

Receive wiring diagrams, performance graphs, and ECO setup info.

Contact our support team to receive the full engineering documentation.

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