July 22, 2021
Commercial CO2 R744 heat pumps projects
Hot water project in the dormitory of character students
Supply domestic hot water to university student dormitories. A heat pump water heater (20HP) is selected, and each building can supply 20 tons of hot water at 60°C per day.
The lowest temperature in winter at the project site is about -33°C. Air source heat pump heating unit SJKRF-120II/C is used, and the water supply temperature is 70°C. The end is a radiator, the indoor constant temperature is around 20°C, and the energy efficiency is 1.8 at -30°C.
