31551915EN-01 CRD leaflet

General information and application CRD are dual discharge air coolers with radial EC fans for cooling and freezing applications in medium to large cold rooms. This industrial air cooler line is designed to ​ improve acoustic comfort of workers inside cold rooms​ and increase product sustainability​. Benefits • Low refrigerant charge • Low energy consumption • Low noise • Two-year product guarantee CRD Dual discharge Industrial air coolers with radial fans 15 up to 122 kW 4,600 up to 45,200 m3/h Refrigerants Capacity range CRD (R404, DT1) Air volume Design pressure Model Refrigerant Max working pressure CRDH HFC 24 bar* CRDH CO2 CO2 45 bar CRDW Brine 24 bar* *Higher pressure on request Each heat exchanger is leak tested with dry air and finally supplied with a dry air pre-charge. Fitted with schräder valve on the suction connection for testing purposes (only for HFC units). Casing Corrosion-resistant galvanized steel casing, epoxy coated RAL 9003 . Coil Refrigerant Fins Tubes Headers HFC Al* Cu Cu CO2 Al* Cu Cu Brine Al* Cu Cu * Alupaint as optional; **Stainless steel 316 on request; *** increased thickness • High-efficiency TURBOFIN® aluminum fins with special configuration of the louvre profile to reduce dehumidification and frost formation. • High-efficiency small-diameter copper tubes with internal helical grooving, designed for optimal evaporation of the refrigerant fluids. Stainless steel tubes for ammonia refrigerant. • Standard fin spacings 4.5, 6, 7.5 and 10 mm. CRD RADIAL FANS LOW NOISE PRODUCT SUSTAINABILITY