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Bitzer CSH7573-70Y Compact Screw Compressor

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The Bitzer CSH7573-70Y is a high-capacity semi-hermetic screw compressor designed for industrial chillers, process cooling, and HVAC applications. With German engineering, robust design, and ASERCOM-certified performance data, it provides outstanding reliability, high efficiency, and flexibility under demanding conditions.

Equipped with advanced oil management, part-load capacity control, and flexible refrigerant options, the CSH7573-70Y ensures cost-effective and long-term performance for both new installations and retrofits.

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  • Bitzer CSH7573-70Y Compact Screw Compressor
  • Bitzer CSH7573-70Y Compact Screw Compressor
  • Bitzer CSH7573-70Y Compact Screw Compressor
  • Bitzer CSH7573-70Y Compact Screw Compressor
  • Bitzer CSH7573-70Y Compact Screw Compressor
  • Bitzer CSH7573-70Y Compact Screw Compressor
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  • Bitzer CSH7573-70Y Compact Screw Compressor
  • Bitzer CSH7573-70Y Compact Screw Compressor
  • Bitzer CSH7573-70Y Compact Screw Compressor

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  • Description

⚙️ Technical Specifications

  • Model: CSH7573-70Y

  • Refrigerant: R134a (also compatible with R1234yf, R1234ze(E), R450A, R513A, R515B, R407C, R404A, R507A, R407A, R407F)

  • Cooling Capacity: 115.9 kW @ 0 °C SST / 50 °C SDT

  • Power Input: 42.9 kW

  • COP / EER: 2.70

  • Operating Voltage: 380–415V / 3Ph / 50Hz (standard)

  • Displacement: 258 m³/h (50 Hz) | 311 m³/h (60 Hz – custom order)

  • Running Current (400V): 74.2 A

  • Max. Operating Current: 124.0 A

  • Starting Current: 290 A (DOL) / 485 A (DD)

  • Max. Power Input: 78.0 kW

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

  • Connections: Suction 76 mm (3 1/8”), Discharge 54 mm (2 1/8”)

  • Oil Type: BSE170 (standard for R134a, HFO & HFC refrigerants)

  • Oil Charge: 14.0 dm³

  • Weight: 520 kg

Key Benefits

  • High cooling output (≈ 116 kW) with strong efficiency

  • Flexible capacity control: 4-step (100–75–50–25%) or infinitely variable (100–25%)

  • Broad refrigerant compatibility, including eco-friendly HFO blends

  • Integrated oil separator, oil filter, oil heater, and discharge gas sensor

  • Compact semi-hermetic design → easier installation and servicing

  • ASERCOM-certified performance for tested and reliable data

📦 Applications

  • Industrial and commercial chillers

  • Process cooling plants and factories

  • Large-scale air-conditioning systems

  • Heat pumps for industrial or building projects

🚚 Shipping & Availability

  • Condition: Brand new, genuine Bitzer

  • Packaging: Original factory packaging

  • Availability:

    • 50 Hz version → Standard supply

    • 60 Hz version → Custom build, approx. 3 weeks lead time

  • Shipping: Worldwide delivery available

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