After inputting the heat load into the heat exchanger, you want to control the output hot water to a constant temperature.
    |  1 |    initial version    |  
After inputting the heat load into the heat exchanger, you want to control the output hot water to a constant temperature.
    |  2 |    retagged    |  
After inputting the heat load into the heat exchanger, you want to control the output hot water to a constant temperature.