After all system components have been placed on the drawing, the 缓冲水箱 should be connected to the source on one side (primary circuit) and to the system on the other side (secondary circuit). Connection to the 缓冲水箱 is made by using 供 and 回 pipelines.
A 泵 must be installed on the secondary side.
Additional information
After running calculations the information on the type of the 缓冲水箱 and the 泵 can be found in the 结果 window.