Mitsubishi Electric Patented Twisted and Spiral Gas Cooler Stable Heating Capacity Even at Low Temperatures QAHV System Schematic Image Using twist pipes as water pipes and running the refrigerant pipes along their grooves helps to increase the heat-conductive area, allowing for better heat transfer. Illustration showing water flow and water temperature distribution Twisted water pipe with the refrigerant pipe spiralled around it Cut section detail HOT COLD Water Outlet COMP. LEV Air Side HEX Water Side HEX Refrigerant HEX LEV Air Refrigerant HEX Highly efficient inverter-driven CO2 s c r o l l compressor Oil HEX Water Inlet Flash Injection Circuit Capacity [KW] Outdoor Temp. [ºCDB] -30 -25 -10 -3 0 30 50 40 20 15 Full heating capacity even at -3°C Operable as low as -25°C 1 QAHV 2 Remote Controller (optional) Hermetic Type Storage Tank Representative Water Temp. Sensor (optional) Inlet Water Mains Water Outlet Hot Water Piping Inlet Water Piping Control Wiring
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