Alternative Options for Small Commercial Cabinets in High Ambient Areas
Explore alternative options for plug-in small commercial cabinets in high ambient areas in the Southern African region. Self-contained refrigerated cabinets with integral condensing units and environmentally friendly refrigerants are discussed, along with challenges faced by independent companies and solutions for production machinery and product support in remote areas.
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ALTERNATIVE OPTIONS FOR PLUG-IN, SMALL COMMERCIAL CABINETS IN HIGH AMBIENT AREAS SOUTHERN AFRICAN REGION by Roy Singh
SELF CONTAINED REFRIGERATED CABINETS Plug & Play 1. Integral condensing unit 2. HCFC to R600a/R290/R744 3. Charge < 150g for HC 4. Twin circuit for larger cabinets These products are produced in low volumes - high refrigerant usage .
Challenges Product Mostly Independent companies -System redesign Insufficient technical know how, no partner collaboration as in large multinational companies. Local R&D engineering team . Compact design (cassette) Electrical components and refrigerant in close proximity. SOI - Leak simulation test critical Expensive test equipment. Tested at production facility. Testing IEC 60335 & CE - Limited locally equipped test house
Production machinery & Product Support High cost of safety/ventilation/charging equipment less complex machines for lower volume batch production.( < 48kg HC ) Availability of Refrigerant ,Spares & Components for replacement in remote areas . Training &Technician Certification. Not same as domestic refrigeration techs which were trained- totally different cluster.
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