Group: Alfa Laval
Catalog excerpts
General information & application Helpman PX coolers are commercial heavy duty air coolers for general application in small to medium size cooling and freezing rooms. The model design is characterised by a low silhouette for the efficient use of cold room space. Helpman PX coolers are available from stock. Evaporating temp. +5 to -40°C Refrigerants all H(C)FC Capacities (SC2) 1.4 up to 8.8 kW Air volume 1,000 up to 6,000 m3/h. Coil Coil manufactured from Cu ripple fin® tubes ø 1/2” and Alu-fins. Tube pitch 38 x 38 mm square. Casing Durable aluminium casing, white epoxy coated RAL 9003. Removable interchangeable side plates for easy access. Sufficient room for fitting the expansion valve inside casing. All models fitted with a splash guard. Fan motors Blow-through fans, diameter ø 254 mm. Enclosed design spray-tight fan motors, protection class IP-55. Motors are equipped with a thermal safety device in the windings, connected to separate terminals in the box. Eflo® refrigerant circuiting With the Eflo® liquid distribution system, the refrigerant is evaporating through the coil in parallel flow with the air. Superheating takes place on the air-inlet side (highest tube temperatures!). With Eflo® , the cooling performance improves as a result of : - Even frost formation over the coil. - Prolongued cooling cycle. - Reduced defrost cycle. Certifications All DX cooler models are “Eurovent Certify All” certified. The Alfa Laval quality system is in accordance with ISO 9001. All products are manufactured according to CE and PED rules. Test Design pressure 33 bar. Each heat exchanger is leak tested with dry air and finally supplied with a nitrogen pre-charge. Options • Electric defrost (E2) • Special fan motors - 60 Hz motors PX Commercial low silhouette air cooler - stock range PX
Open the catalog to page 1How to contact Alfa Laval Up-to-date Alfa Laval contact details for all countries are always available on our website at www.alfalaval.com ERC00174EN 0905 Alfa Laval reserves the right to change specification without prior notification. 1) Capacities R-404A / R-507A (t0 = -8 °C, DT1 = 8K, lightly frosted coil. 2) Fan power is given per motor. Absorbed fan motor energy is measures under laboratory conditions at ambient temperature 20°C. Values may vary depending on local conditions. 3) 3 mounting channels Fans Dimensions mm cooler capacity air coil weight capacity W air sound Refrig. conn....
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