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Arctigo ISF

The Alfa Laval Arctigo ISF air cooler series has been specifically designed for the refrigerated storage of agricultural produce. These coolers are characterised by an optimised capacity/air volume ratio and a relatively low profile. All models have been optimised for air temperatures around 0 °C and a small temperature difference to avoid product dehydration.

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Standard configuration

  • Coil
    - 4 coil block modules 
    - 6 tube rows deep
    - Tubing ø 5/8”Cu ripple fin, smooth Cu tubing for brine or smooth stainless steel.
    - Tube pitch 50 mm square
    - Corrugated Alu-fins
    - Fin spacing 7 mm
  • 2 to 8 Fans, ø 450 mm up to ø 710 mm, blowing trough the coil. 2-Speed fan motors 400/50-60/3 or 230/50-60/1 (ø 450 only), two noise levels (Δ/Y). AC/EC Fan motors with dynamically and statically balanced external rotors, manufactured in accordance with VDE 0530/12.84 IP54 class F. Integrated thermo contacts (Clickson) provide reliable protection against thermal overload.
  • Corrosion resistant materials: coil frame and casing pre-galvanized sheet steel, epoxy coated RAL 9002. Hinged side panels and driptray, drain(s) 45° aluminium 1½" BSP ext.
  • Hinged side panels and driptray, drain(s) 1½" BSP ext.
  • Refrigerant connections right or left (L=default).
  • Sufficient room for fitting the expansion valve inside.

    Suitable for dry expansion or pumped system.
  • Delivery in mounting position.Coolers are mounted on wooden beams. Installation can take place with use of a forklift.

Options

For a full overview of all available options and additional technical specifications please refer to the product leaflet.

 

  • Refrigerants: all H(C)FC, ammonia, brine, CO2
  • Capacities (SC2) 14 up to 80 kW
  • Air volume 9,000 up to 53,500 m3/h

AlfaSelect Air

These air heat exchanger products can be configured and selected using the AlfaSelect Air selection tool.
> AlfaSelect Air 

Cold Room Calculator

Mobile app for iOS & Android to calculate the expected heat load for your cold room.
Cold Room Calculator

How it works

Alfa Laval finned coil air heat exchangers have been designed to achieve an optimized exchange of thermal energy between air and a refrigerant or fluid. The ‘heart’ of our air heat exchangers is the finned coil, built up from a circuit of interconnected tube serpentines and fins to increase the heat exchanging surface. Thanks to the combination of key design variables (coil materials, coil geometry, casing design, fan type), air units are very versatile heat exchangers with a great variety of applications in many industries. Alfa Laval supplies finned coil air heat exchanger products for a wide variety of applications.

Air coolers & air-cooled condensers

Air coolers and air-cooled condensers are key components in air cooling and airconditioning systems. On the refrigerant side the most common media are a brine or an evaporating refrigerant like H(C)FC, ammonia or CO2. A chilled brine may be supplied from a chiller that is potentially located far away, but a liquified refrigerant must come from a nearby condensing unit. When an evaporating refrigerant is used, the cooling coil is the evaporator in the vapour-compression refrigeration cycle (‘direct expansion’ or ‘DX’ system).

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