A system, apparatus, and method for a differential temperature managed integral, free standing, hydronic heating appliance uses a high-mass heat source coupled to a single, highly-efficient, variable speed, Electronically Commutated Motor (ECM)-driven Delta-T stand-alone system circulator which feeds one or more zone valves governing flow to one or more hydronic zones. Components are integrated into simplified, compact, assemblies. Zone valve packaging of a compact header improves hydronic performance (head pressure reduction and increased flow), complementing zone valve performance and reducing zone valve wiring labor and material content. Returns have full port valves and the boiler includes isolation valves. All manually activated valves are full port. This can include full port boiler isolation valves, circulator isolation valves and return valves. Paralleled, ganged, alignment of state-indicating-lamped zone valves provides rapid, functional indication of component and system performance while the need for a zone valve panel commonly found on hydronic heating systems is negated.

A hydraulic manifold for a hydraulic heating and/or cooling system includes a feed conduit (212) and a return conduit (216). The feed conduit (212) includes at least one feed connection (258), and the return conduit (216) includes at least one return connection (260), for the connection of a load circuit (228). A load module (204), in which a section of the feed conduit (212) with the feed connection (258), and a section of the return conduit (216) with the return section (260) are formed, includes at least one mixing device with a pump (232) and with a regulating valve (230), to admix fluid from the return connection (260) to a fluid flow from the feed conduit (212) to the feed connection (258). The section of the feed conduit (212) and the return conduit (216) in each case include an additional contact for connection with a further load module.

A hydraulic manifold for hydraulic heating and/or cooling systems includes a feed conduit and a return conduit. The feed conduit includes at least one feed connection and the return conduit includes at least one return connection, for the connection of a load circuit. The manifold has a modular construction with a main module and connected load module(s). The main module includes a section of the feed conduit and/or of the return conduit as well as an electric connection. The load module includes a section of the feed conduit with a feed connection, and/or a section of the return conduit with a return connection, as well as at least one regulating device for regulating the flow through a load circuit connected to the feed connection and to the return connection. The main module includes a manifold control device for the control of the regulating device in the load module(s).

A circulation pump assembly for a heating and/or cooling system includes an electric drive motor (108) and a connected pump housing (106) in which at least one impeller (118) is situated and which comprises a first inlet (112) and a first outlet (114). The pump housing (106) includes a second inlet (122) which is connected in an inside of the pump housing (106) at a mixing point (130) to the first inlet (112). A regulating valve (134), which is designed for regulating the mixing ratio of two flows mixing at the mixing point (130), as well as a control device, which controls the regulating valve (134) for regulating the mixing ration, are arranged in the pump housing (106). A hydraulic manifold is provided with such a circulation pump assembly.

A CHP optimal dispatching model is a mixed integer programming model and is used for a district heating system (DHS) comprising a heat source, a heating network and a heat load, and the heating network comprises a heat transmission network and a heat distribution network. A plurality of heating areas is divided, and one day is divided into a plurality of time periods; the heat transmission loss of the heat distribution network is omitted, and a heat transmission network model taking transmission time delay of the heating network into consideration is established according to the heat transmission network; a terminal heat consumer model capable of reflecting indoor temperature is established; and a combined optimal dispatching model comprising conventional generators, wind power units, CHP units, electric boilers and heat storage tanks is established.

A manifold has a frame and a plurality of valves supported by the frame, each valve having a cross gear that includes four semicircular recesses and four arms that terminate in pointed tips, and wherein the tips are non-jamming rubber tips. The manifold also has a screw drive and a splined rotatable shaft parallel to the screw drive. The manifold further includes a slider driven by the screw drive over the splined rotatable shaft. The slider includes an actuator that protrudes from the slider to engage one of the cross gears to actuate a respective one of the plurality of valves.

A system, apparatus, and method for a differential temperature managed integral, free standing, hydronic heating appliance uses a high-mass heat source coupled to a single, highly-efficient, variable speed, Electronically Commutated Motor (ECM)-driven Delta-T stand-alone system circulator which feeds one or more zone valves governing flow to one or more hydronic zones. Components are integrated into simplified, compact, assemblies. Zone valve packaging of a compact header improves hydronic performance (head pressure reduction and increased flow), complementing zone valve performance and reducing zone valve wiring labor and material content. Returns have full port valves and the boiler includes isolation valves. All manually activated valves are full port. This can include full port boiler isolation valves, circulator isolation valves and return valves. Paralleled, ganged, alignment of state-indicating-lamped zone valves provides rapid, functional indication of component and system performance while the need for a zone valve panel commonly found on hydronic heating systems is negated.

A manifold apparatus includes a plurality of manifold blocks which are coupled together in a line. In each of the manifold blocks, an axial line of a branch port is deviated from an axial line of a main port in a direction perpendicular to a coupling direction in which the manifold blocks are coupled together. The plurality of manifold blocks are configured to be coupled together in a state where one of the adjacent manifold blocks is inverted 180 from the other of the adjacent manifold blocks in a direction perpendicular to the axial direction of the branch port and the coupling direction.

A hydraulic manifold for a hydraulic heating and/or cooling system includes a feed conduit (212) and a return conduit (216). The feed conduit (212) includes at least one feed connection (258), and the return conduit (216) includes at least one return connection (260), for the connection of a load circuit (228). A load module (204), in which a section of the feed conduit (212) with the feed connection (258), and a section of the return conduit (216) with the return section (260) are formed, includes at least one mixing device with a pump (232) and with a regulating valve (230), to admix fluid from the return connection (260) to a fluid flow from the feed conduit (212) to the feed connection (258). The section of the feed conduit (212) and the return conduit (216) in each case include an additional contact for connection with a further load module.

A manifold has a frame and a plurality of valves supported by the frame, each valve having a cross gear that includes four semicircular recesses and four arms that terminate in pointed tips, and wherein the tips are non-jamming rubber tips. The manifold also has a screw drive and a splined rotatable shaft parallel to the screw drive. The manifold further includes a slider driven by the screw drive over the splined rotatable shaft. The slider includes an actuator that protrudes from the slider to engage one of the cross gears to actuate a respective one of the plurality of valves.