General information & application The Helpman THOR-F 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. Evaporating temp. +5 to -10 °C Refrigerants all H(C)FC, brine, CO2 Capacities (SC2) 18 up to 52 kW* Air volume 12,800 up to 36,000 m3/h * Higher capacities on request Standard configuration • Finned coil - 2 coil block modules - 6 tube rows deep - Cu tubing ø 5/8” - Tube pitch 50 x 50 mm square - Corrugated Alu-fins - Fin spacings 7 mm. • 3-7 Fans, blowing through the coil. Diameters Ø 406 mm or Ø 457 mm. Enclosed design spray-tight fan motors, protection class IP55. Motors are equipped with a thermal safety device in the windings, connected to separate terminals in the box. • Fans with elevated external pressure to ensure optimised air distribution. • Corrosion resistant casing material: Aluminium/Sendzimir, white epoxy coated (RAL 9003). • Hinged, enclosed end covers. • Hinged driptray, drain(s) 32 mm PVC connection, freely adjustable into either horizontal or vertical position. (please use illustration) • Refrigerant distribution optimised to refrigerant applied. • Refrigerant connections on right hand side (fan side view). • Fitted with schräder valve on the suction connection for testing purposes. • Sufficient room for fitting the expansion valve inside. • Suitable for dry expansion or pumped system. • Stickers indicate fan direction and refrigerant in/out. • Delivery in mounting position. Coolers are mounted on wooden beams. Installation can take place with use of a forklift. Test Design pressure 33 bar, higher design pressures on request. Each heat exchanger is leak tested with dry air and finally supplied with a nitrogen pre-charge. Brine coolers are tested at 6 bar. THOR-F Agricultural storage cooler THOR-F

How to contact Alfa Laval Up-to-date Alfa Laval contact details for all countries are always available on our website at www.alfalaval.com ERC00162EN 0802 Options • Defrost systems - Hot gas coil in driptray (G1) - Electric defrost (E1, E4) Electric defrost for air coolers with pumped refrigerant circulation or in glycol execution on special request only. • Driptray insulation - Armaflex (or alike) 10 mm ( I 1) - Styropore 10 mm + cladding ( I 2) - Foamglass 25 mm + cladding ( I 3) - Purane + polyesther cladding ( I 4) I1, I2 & I4 driptray insulation not in combination with electric defrost....