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The range of Alfa LU-VE Arctigo IST industrial air coolers with one-way air flow, designed for use in cooling and freezing applications in medium and large cooling rooms. Air coolers are intended for work with refrigerants from HFC group and natural refrigerants CO2, NH3 in capacity range from 12,00 kW to 300,00 kW.

They are equipped with AC fans or energy-saving EC fans with diameters of 630 and 710 mm. Alfa LU-VE Arctigo IST minimizes weight (moisture)loss and ensures product quality during the cooling/freezing process.

Air coolers Arctigo IST are equipped with a block fin tubes with square geometry. It provides a larger heat exchange surface area, which reduces the number of defrost, extends cooling periods, reduces air pressure drop and fans energy consumption. This solution is suitable for applications requiring high relative humidity. The large heat exchange surface increases efficiency in frosty or dirty conditions.

Arctigo IST coolers are equipped with AC fans or energy-saving EC fans from 2×1 to 2×6 pcs, with diameter of 630 or 710 mm with two noise levels (Δ/Y connection). Power supply: 400V/3~/50Hz. Air flow direction: intake from the block or exhaust through the block. Build-in thermal contacts provide reliable protection against thermal overload. The coolers are equipped with galvanized steel (MF) mounting spots as standard.

Arctigo IST characteristics:

  • Nominal capacity: from 12,00 kW to 300,00 kW (SC2)
  • Air flow: from 10 000 m3/h to 150 000 m3/h
  • Block fin tubes:
    • Aluminium fins
    • Fin spacing: 4,0; 5,0; 6,0; 7,0; 8,0; 10,0; 12,0 mm
    • Tubing ø 5/8”Cu ripple fin or smooth stainless
    • Block geometry: 50 mm square
  • Fans:
    • From 2×1 to 2×6 pcs with diameter of 630 or 710 mm
    • Power supply: 400V/3~/50Hz
    • AC or energy-saving EC fans
    • Blowing or sucking
  • Maximum operation pressure : 10 bar
  • Evaporating temperature: from -40°C to +5°C

Arctigo IST advanteges:

  • Durable design of the cooler ensuring high quality of stored product
  • Block fin tubes and body adapted to work in demanding conditions, which ensures long products life
  • Corrosion – resistant materials: frame of block fin tubes and galvanized body
  • Low noise level
  • Stainless steel fasteners
  • Infrequent defrost cycles
  • AC or energy-saving EC fans

Arctigo IST defrost systems:

  • Electric defrost of the drip tray (E1)
  • Electric defrost heavy (E2)
  • Electric defrost light (E4)
  • Hot gas defrost (HG)
  • Hot water defrost (HW)

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