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The range of Alfa LU-VE Arctigo ISBE industrial air coolers with one-way air flow, designed for applications in demanding cooling and freezing processes, in medium and large rooms. Cubic coolers adapted to work with refrigerants from the HFC group, in the nominal capacity range from 2,72 kW to 249,42 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.

Models are equipped with AC fans or energy-saving EC, with diameter from 450 to 1000 mm.

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

Each heat exchanger is tested for leaks with dry air.

Air blowing through the block ensures:

  • Higher DTML value, higher cooling capacity
  • Longer air flow
  • Higher relative humidity (RH), less products drying

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 ISBE characteristics:

  • Nominal capacity: from 2,72 kW to 249,42 kW (SC2)
  • Air flow: from 3 349 m3/h to 118 850 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 triangular
  • Fans:
    • From 1 to 8 pcs with diameter: 450, 500, 630, 710, 800 and 1000 mm
    • Power supply: 230V/1~/50Hz; 400V/3~/50Hz
    • AC or energy-saving EC fans
    • Blowing through the block
  • Maximum operation pressure: 33 bar
  • Temperature range in chamber: from -40°C to +10°C
  • DX expansion valve or pump supply

Arctigo ISBE 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
  • High energy efficiency
  • Easy installation
  • Hanging drip tray
  • Certified by Eurovent

Arctigo ISBE defrost systems (option):

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

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