SZ148-4VAI – Scroll compressor, SZ148T4VC Danfoss

The Danfoss SZ148T4VC is a high-efficiency 12 HP scroll compressor engineered for reliable performance in R407C and R134a commercial air conditioning and chiller units throughout the UAE.

Refrigerants: R404A; R407C; R134a; R513A, 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 SZ148T4VC Scroll Compressor | 12 HP

Product Description:

The Danfoss SZ148T4VC (the primary replacement for the SZ148-4VAI series) is a professional-grade 12 HP scroll compressor built to handle heavy cooling loads with ease. Specifically optimized for HFC refrigerants like R407C and R134a, this unit is a standard choice for medium-sized rooftop units, chillers, and large split systems in the UAE. Its advanced scroll set is designed for high volumetric efficiency and low energy consumption, while its robust internal construction provides excellent resistance to thermal stress. Even in the peak of the Middle Eastern summer, the SZ148T4VC maintains stable cooling capacity and low noise levels, ensuring high-quality indoor comfort and reliable industrial process cooling.

Key Features & Benefits:

  • Optimized 12 HP Capacity: Perfectly sized for commercial AC systems requiring a balance of high power and compact footprint.
  • Extreme Climate Tolerance: Engineered to operate efficiently at high condensing temperatures common in the UAE.
  • Advanced Energy Management: High COP (Coefficient of Performance) helps facility managers reduce electricity costs.
  • Quiet & Stable Operation: Precision scroll machining minimizes vibration, extending the life of the entire refrigeration circuit.
  • Ready for HFCs: Factory-charged with premium POE oil for immediate compatibility with R407C, R134a, and R404A.

 

Technical Specifications :

Specifications Value
Manufacturer Danfoss
Model Number SZ148T4VC (SZ148-4VAI)
Compressor Type Scroll (Hermetic)
Horsepower (HP) 12 HP
Refrigerant(s) R407C, R134a, R404A, R507A
Voltage / Phase 380-400V / 3-Phase / 50Hz (460V / 60Hz)
Oil Type POE (Polyolester Oil)
Displacement 199.2 cm³/rev
Cooling Capacity ~33.5 kW (at Standard Rating)
Connection Type Brazed (Solder) / ODF
Net Weight ~88 kg

 

FAQs:

  • Q: Can this model be used as a replacement for SZ148-4VAI?
  • A: Yes, the SZ148T4VC is the designated technical replacement for the SZ148-4VAI in after-sale and service applications.
  • Q: Is it suitable for R134a applications?
  • A: Absolutely. It is highly efficient when used with R134a in medium-temperature cooling systems.
  • Q: Does it have internal motor protection?
  • A: Yes, it includes internal motor protection to guard against overheating and excessive current.

 

Specifications

  • GrossWeightValue105
  • GrossWeightUnitKilogram
  • NetWeightValue89.66
  • NetWeightUnitKilogram
  • VolumeValue0.23
  • VolumeUnitLiter
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