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The range of Alfa LU-VE Arctigo ISBX industrial air coolers with one-way air flow for long-term storage of the fruits and vegetables. Cubic coolers are designed for work with natural refrigerant CO2 with cooling capacity from 4,96 to 290,60 kW. They are optimized for work at the air temperatures about 0°C and with the small temperature differences, it helps to prevent dehydration of the products. Air coolers are equipped with AC fans or energy-saving EC fans with diameters from 450 to 1000 mm. Devices are certified by Eurovent.

The series of Alfa LU-VE Arctigo ISBX designed for storing fresh vegetables and fruits. The maximum height of the cooler is 587 mm. The large heat exchange surface increases efficiency in frosty or dirty conditions.

Air coolers can be equipped with a block fin tubes with a triangular or square geometry. The triangular geometry provides lower fin temperatures and higher capacity per m2 of the block surface, it allows to make radiator more compact. The square geometry results in a larger heat exchange surface area, which reduces air pressure drop and fan power consumption. This solution is suitable for applications requiring high relative humidity.

A wide range of optional equipment: diffuser (D), diffuser with defrost damper (DO), shut-up sock (S), air sock adapter ring (SR), streamer (ST), central junction box (CB1), body and frame made of acid-resistant steel (SSC), fin protection (EP) or made of sea water resistant aluminium (SWR), double fin space (DF), service switch (SW), steering wheel cover 45°(H1) or 90°(H2) and many others.

Arctigo ISBX coolers are equipped with suction fans, from 1 to 8 pcs, with two fan motor speeds: 400V/3~/50Hz and 230V/1~/50Hz (for diameters of 400 and 450 mm) and two noise levels (Δ/Y connection). EC fans can be selected according to different rotation speeds. Build-in thermal contacts provide reliable protection against thermal overload.

Blow-through air direction:

  • Higher DTML, higher cooling capacity
  • Large air outlet surface, more even airflow
  • Higher RH in air outlet (less product dehydration)

Each heat exchanger is tested for leaks with dry air.

Configuration examples: 

  • Blow-through
  • Ceiling mounted    
  • Large air throw, carrot and potato storage

  • Blow-through 
  • Floor mounted 
  • Distribution centres fresh produce

  • Blow-through 
  • Floor mounted 
  • Inlet hood 90° 
  • Large cold rooms high humidity

Arctigo ISBX characteristics:

  • Nominal capacity: from 4,96 to 290,60 kW
    (te=-8°C, ta=0°C, R744)
  • Air flow: from 3 073 to 107 828 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 steel
    • Block geometry: 50 mm square or 48 mm triangle
  • Fans:
    • From 1 to 8 pcs with diameter: 450, 500, 630, 710, 800, 1000 mm
    • Power supply: 230V/1~/50Hz; 400V/3~/50Hz
    • AC or energy-saving EC fans
    • Blowing through the block
  • Maximum operation pressure : 30-66 bar
  • Temperature range in chamber: from -40°C to +30°C
  • DX expansion valve or pump supply

Arctigo ISBX 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
  • Low noise level in rooms where people stay
  • Infrequent defrost cycles for square block geometry
  • Natural refrigerant CO2 (GWP=1)
  • High energy efficiency
  • Easy installation
  • Hanging drip tray
  • Certified by Eurovent

Arctigo ISBX defrost systems:

  • Electric defrost of the drip tray (E1)
  • Electric defrost heavy (E2)
  • Electric defrost light (E4)
  • Electric defrost of the diffuser DO (E5)
  • Hot gas defrost (HG, HGC – with connection to the block)
  • Hot water defrost (HW)

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