SZ120-4VI – Scroll compressor, SZ120S4VC Danfoss

The Danfoss SZ120S4VC is a high-reliability 10 HP scroll compressor engineered for superior replacement and cooling performance in R407C commercial HVAC and chiller systems across the UAE.

Refrigerants: R404A; R407C; R134a, Segment usage: Air conditioning, Compressor power supply [V]: 380-415/3/50 460/3/60, Packing format: Single pack

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Product details

Danfoss SZ120S4VC Scroll Compressor | 10 HP

Product Description:

The Danfoss SZ120S4VC (the primary after-sale replacement for the SZ120-4VI series) is a robust 10 HP scroll compressor built to deliver consistent cooling in demanding commercial environments. Optimized for HFC refrigerants like R407C and R134a, this unit is a staple for rooftop air conditioners, large split systems, and medium-scale chillers throughout the UAE. Its advanced scroll set is precision-machined to ensure high volumetric efficiency while maintaining low operational noise and vibration. Designed specifically to excel in the Middle East’s high-ambient temperatures, the SZ120S4VC features enhanced thermal protection and superior motor cooling, ensuring long-term mechanical reliability and energy efficiency.

Key Features & Benefits:

  • Reliable 10 HP Cooling Power: Ideal for mid-to-large scale commercial HVAC maintenance and new installations.
  • High-Ambient Resilience: Specifically engineered to operate with stable condensing temperatures during the intense UAE summer heat.
  • Energy-Efficient Design: Optimized scroll technology reduces energy consumption, leading to lower utility costs for facilities.
  • Low Vibration & Noise: Quiet operation makes it an excellent choice for rooftop installations near sensitive commercial areas.
  • HFC Optimized: Factory-charged with premium POE oil for maximum compatibility with R407C, R134a, and R404A systems.

 

Technical Specifications :

Specifications Value
Manufacturer Danfoss
Model Number SZ120S4VC (SZ120-4VI)
Compressor Type Scroll (Hermetic)
Horsepower (HP) 10 HP
Refrigerant(s) R407C, R134a, R404A, R507A
Voltage / Phase 380-400V / 3-Phase / 50Hz (460V / 60Hz)
Oil Type POE (Polyolester Oil)
Displacement 161.0 cm³/rev
Cooling Capacity ~27.5 kW (at Standard Rating)
Connection Type Brazed (Solder) / ODF
Net Weight ~65 kg

 

FAQs:

  • Q: Is the SZ120S4VC a direct replacement for SZ120-4VI?
  • A: Yes, the SZ120S4VC is the designated technical replacement for the SZ120-4VI in professional service and after-sale applications.
  • Q: Can this compressor be used for chillers in Dubai?
  • A: Absolutely. It is widely used in medium-sized water chillers and DX (Direct Expansion) systems throughout the Gulf region.
  • Q: Does it include a crankcase heater?
  • A: While highly recommended for UAE installations, crankcase heaters are typically sold as an accessory rather than built-in.

 

Specifications

  • GrossWeightValue79.34
  • GrossWeightUnitKilogram
  • NetWeightValue73
  • NetWeightUnitKilogram
  • VolumeValue0.24
  • VolumeUnitLiter
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