• Supplier – Displays the name of a supplier whose mode of operation is to be set for calculation.
  Note: The data set is opened by double-clicking on the cell with the supplier name to edit it.
• Mode of operation – The following table shows the possible modes of operation and names the necessary settings in the field which depend on it:
  • Pressure default – Feed pressure at the feed point given in the unit which is entered in the following cell (only for one-leader networks).
  • Regular operation (long-distance heating) – No entry possible.
    • The flow of a supplier is calculated in the process of network calculation, since as well as the consumer load also the heat losses must be covered over the pipe surfaces.
    • In two-leader networks exactly one supplier exists in regular operation. In three-leader networks exactly one supplier exists in regular operation for flow and exactly one supplier the regular operation for the constant leader.
  • Performance – Default for supply performance in the unit which is entered in the following cell
  • Flow rate – Default for flow rate in the unit which is entered in the following cell
  • Mass flow – Default for mass flow in the unit which is entered in the following cell
  • Off – No entry
• VL-temp. – The feeding temperature of the supplier. Not for gas and water networks.

This icon appears on the tab if no entry temperature is registered.