Hydraulic manifold for a hydraulic heating and/or cooling system

A hydraulic manifold for a hydraulic heating and/or cooling system with a feed conduit and a return conduit, the hydraulic manifold comprising:

• a plurality of load modules, wherein each load module serves for connection to a load circuit and each load module comprises:
• a feed conduit section forming a portion of the feed conduit;
• a feed connection connected to the feed conduit section;
• a return conduit section forming a portion of the return conduit;
• a return connection connected to the return conduit;
• and each load module comprising:
• a mixing device comprising a pump and a regulating valve to admix fluid from the return connection to fluid flow from the feed conduit to the load circuit, the mixing device being configured to individually adapt a feed temperature for independent rooms thermally regulated by the load circuits, wherein the feed conduit section and the return conduit section of each comprise a connection interface for connection with a further load module;
• a temperature sensor;
• a central manifold control device controlling at least one of the regulating valves and the pump of each of the plurality of load modules, to set a temperature and/or the flow of the fluid flow through the feed connection of each load module;
• a data bus wherein the central manifold control device is signal-connected to the mixing devices and the temperature sensors of the load modules via the data bus, the data bus extends over all load modules and permits signals to be led further to other load modules and each load module comprises a communication interface connected to the central manifold control device;
• a main module comprising a hydraulic module portion and an electronics housing directly connected to the hydraulic module portion, the central manifold control device being arranged in the electronics housing and the hydraulic module portion comprising an entry for the feed conduit and an exit for the return conduit, wherein the main module comprises an energy supply for the pump and the regulating valve in one of the plurality of load modules.

A load module for a hydraulic manifold of a hydraulic system, the hydraulic system having a feed conduit, a return conduit, a manifold control device, a load circuit connected to each load module and a main module comprising an electronics housing with the manifold control device arranged therein and a hydraulic module portion comprising an entry for the feed conduit and an exit for the return conduit, the electronics housing being directly connected to the hydraulic module portion, wherein the main module comprises an energy supply for the pump and the regulating valve in one of the plurality of load modules, the load module comprising:

• a feed conduit section forming a portion of the feed conduit of the hydraulic system, said feed conduit section having first and second ends;
• a return conduit section forming a portion of the return conduit of the hydraulic system, said return conduit section having first and second ends;
• a module return line having one end connected to said return conduit section between said first and second ends of said return conduit section;
• a load return connection connected to another end of said module return line, said load return connection being adapted to connect to a return line of a load of the hydraulic system;
• a load feed connection adapted to connect to a feed line of the load of the hydraulic system;
• a mixing device comprising a pump and a regulating valve to admix fluid from said module return line with fluid from said feed conduit section taken between said first and second ends of said feed conduit section, and deliver said admix fluid to said load feed connection, the mixing device being configured to individually adapt a feed temperature for independent rooms thermally regulated by the load circuits;
• a first manifold interface connected to said first ends of said feed conduit section and connected to said return conduit section;
• a second manifold interface connected to said second ends of said feed conduit section and connected to said return conduit section, said second manifold interface being configured to connect with a first manifold interface of an adjacent load module;
• a temperature sensor configured to signal-connect to a manifold control device;
• a communication interface connected to the manifold control device.