FIELD: combined systems for heating and cooling.
SUBSTANCE: group of inventions relates to heating or refrigerating equipment for heat transfer from heat sources to consumers. Hydraulic header comprises interconnected feed and return chambers, wherein hydraulic header is made with inlet and outlet for connection with circuits, wherein at least one of the chambers is divided along two communicating parts through two passages, where the passages are spaced opposite to each other, or the supply and return chambers are made communicating with each other through two passages spaced opposite to each other, wherein at least one check valves are installed from passages.
EFFECT: group of inventions makes it possible to provide a condition close to hydraulic equilibrium, to lower hydraulic resistance, to increase reliability and durability of pumps operation and to provide possibility of creation of different temperature modes on each secondary circuit.
8 cl, 11 dwg
| Title | Year | Author | Number |
|---|---|---|---|
| COLLECTOR UNIT | 2018 |
|
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RU2431782C2 |
