As can be seen from the y plan wiring diagram above the switched output from the room stat connects directly with the heating white connection to the motorized valve. Wiring diagrams and further information continues below.
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Y plan wiring diagram. Work safely please note we. The y6630d is a battery powered wireless room thermostat and mains powered hc60ng receiver box pre bound to give intelligent room temperature control of a single zone. Central heating wiring diagrams honeywell central heating wiring diagrams sundial y plan please note we do not accept any responsibility for the accuracy of any of the diagrams literature or manuals and information may have been supercededamendedwork must be completed by qualified electricians or heating engineers. This diagram shows the wiring layout using the most typical components. V4073a y plan how a mid position valve operates within a y plan heating system how a w plan heating system operates faq pump overrun wiring diagrams for s plan incorporating a st9400 programmer. This video covers the wiring and electrical operation of a y plan system.
Here coloured wires indicate the permanent mains supply to the boiler and programmer.
Gallery of Y Plan Wiring Diagram
