SZ185-4RI – Scroll compressor, SZ185S4RD Danfoss

The Danfoss SZ185S4RD is a high-efficiency 15 HP industrial scroll compressor designed for versatile refrigerant use in commercial air conditioning and large-scale cooling systems across the UAE.

Refrigerants: R404A; R407C; R134a; R513A, Segment usage: Air conditioning, Compressor power supply [V]: 380-400/3/50 460/3/60, Packing format: Single pack

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Product details

Danfoss SZ185S4RD Scroll Compressor | 15 HP | R407C, R134a, R404A | 3-Phase

Product Description:

The Danfoss SZ185S4RD (often referenced in the SZ185-4RI series) is a premium 15 HP scroll compressor engineered for superior performance in medium and high-temperature applications. Optimized for multiple refrigerants including R407C, R134a, and R404A, this unit is a versatile solution for rooftop packages, chillers, and industrial process cooling in the UAE. Its advanced scroll technology minimizes friction and mechanical wear, ensuring high energy efficiency and a long service life even under the Middle East’s extreme ambient conditions. With a robust hermetic design, it provides reliable, quiet operation and consistent cooling capacity for demanding commercial environments.

Key Features & Benefits:

  • Multi-Refrigerant Compatibility: Highly versatile unit suitable for R407C, R134a, and R404A systems.
  • High Efficiency Scroll Technology: Delivers powerful 15 HP performance with optimized energy consumption.
  • Extreme Climate Resilience: Specifically built to handle high-ambient temperatures in the UAE without loss of reliability.
  • Low Noise & Vibration: Precision-machined components ensure smooth operation, ideal for noise-sensitive commercial areas.
  • Internal Protection: Features advanced internal motor protection against thermal overload and electrical fluctuations.

 

Technical Specifications :

Specifications Value
Manufacturer Danfoss
Model Number SZ185S4RD (SZ185-4RI)
Compressor Type Scroll (Hermetic)
Horsepower (HP) 15 HP
Refrigerant(s) R407C, R134a, R404A, R507A
Voltage / Phase 380-400V / 3-Phase / 50Hz (460V / 60Hz)
Oil Type POE (Polyolester Oil)
Displacement 249.2 cm³/rev
Cooling Capacity ~43.5 kW (at Standard Rating)
Connection Type Brazed (Solder) / ODF
Net Weight ~103 kg

 

FAQs:

  • Q: Is the SZ185S4RD suitable for R22 systems?
  • A: No, this model uses POE oil and is designed for HFCs like R407C. For R22, the SM series is typically recommended.
  • Q: What is the main application for this 15 HP unit in the UAE?
  • A: It is widely used in commercial air conditioning, large rooftop units, and water-cooled chillers.
  • Q: Does it come with an oil charge?
  • A: Yes, it is factory-precharged with POE oil, which is essential for operation with R407C and R134a.

 

Specifications

  • GrossWeightValue111
  • GrossWeightUnitKilogram
  • NetWeightValue100
  • NetWeightUnitKilogram
  • VolumeValue0.23
  • VolumeUnitLiter
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