Y Plan Wiring Diagram. Greenstar ri 27kw and 30kw wiring diagram. The three port valve can look like a y shape when looking at the schematic layout of pipework as shown below.
What i found conflicting and really confusing some y plan diagrams i read show that the pump live goes back to the boiler marking p terminal in its control box someting about over run was mentioned. General cleanup of wiring diagrams. These are shown at the bottom right of the diagram.
Y plan heating combiboiler hi there thanks in advance for helping was just wondering if anyone had diagrams of y plans which i think are combi boiler wiring diagrams the apprentice.
View and download hive active heating installation manual online. How the y plan heating system is wired and what actually happens inside the 3 port valve. And you should select the most appropriate diagram that matches the components you have installed in your system along with what youre hoping to achieve in terms of controllability. Each installation is different depending on the configuration and the controls used so to try and help as much as possible the tech team has created 24 diagrams covering the most popular layouts.