THOR-D - Dual discharge industrial air cooler
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General information & application The Helpman THOR-D series is a wide and flexible range of heavy-duty dual discharge industrial air coolers for both cooling and freezing applications in medium to large cold rooms. Suitable for a wide range of applications with a special focus on meat storage, agricultural produce and processing rooms. Evaporating temp. +5 to -40 °C Refrigerants all H(C)FC, brine, CO2 Capacities (SC2) 4,5 up to 123 kW* Air volume 3,000 up to 60,000 m3/h. * Higher capacities on request Standard configuration • Finned coil - 3 coil block modules - 4, 6 or 8 tube rows deep - Cu tubing ø 5/8” - Tube pitch 50 x 50 mm square - Corrugated Alu-fins - Fin spacings 4 and 7 mm. • 1-5 Fans, available in a range of different executions. Diameters Ø 457, 508 and 560 mm. Cables are led to the outside of the casing. 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. • All models available in both high and low fan speed execution. - 1000 rpm (= L design) - 1500 rpm (= H design) • Corrosion resistant casing material: Aluminium/Sendzimir, white epoxy coated (RAL 9003). • Hinged, enclosed end covers. • Hinged driptray with vertical drains 1 ¼” BSP male. • Refrigerant distribution optimised to refrigerant applied. • 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-D Dual discharge industrial air cooler THOR-D

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THOR-D - Dual discharge industrial air cooler-2

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 ERC00161EN 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. • Fan ring heater (FRH) • 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...

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