SVM F4HC Special meter

The F4HC calculator is designed to be used in combined heating and cooling applications where the customer requires more advanced features from the calculator.

Systems for combined heating and cooling utilizes the same pipes for heat distribution during the cold season, and for chilled water distribution during the hot season.

Heating and cooling energy is stored in two separate registers, by calcula-ting heat when the temperature difference is positive, and calculating cooling when the temperature difference is negative.