Help with heating system

What is your heat source? Hot water or steam? Is the required heat exchange type direct or indirect? Hot water is usually heated indirectly, and plate heat exchangers are often used for heat exchange. Steam can be heated either directly or indirectly; in the direct method, clean steam is sent directly into a steam-water heat exchanger, where it mixes with the water to be heated, thereby warming the cold water before it is pumped to the desired location (this was the principle used in the large tanks found in bathhouses in the north in the past to heat bathing water) ； The indirect method is carried out using heaters such as floating coils, where steam and condensate do not mix with the water being heated; this approach is often used in applications where high hygiene standards are required. The pump is simple; since the length of the pipes is unknown, you need to calculate the pump’s head yourself, or you can tell us here and we’ll give you some suggestions ； Based on a heat value of 1550W, it is advisable for the water pump flow rate to be between 135 and 150 M^3/h.