Output from the normal cylinder thermostat is connected to the high limit thermostat and the output from that powers the 2 port valve motor. Wiring is based on the standard y plan with the addition of a high limit thermostat and a 2 port motorised valve.
How To Install The Nest Learning Thermostat 3rd Gen In A Y
Unvented cylinder s plan wiring diagram. These are shown at the bottom right of the diagram. This video covers the wiring and electrical operation of an s plan system with two 2 port valves. Wiring diagrams contains all the essential wiring diagrams across our range of heating controls. Wiring diagrams and further information continues below. All unvented and packaged cylinders come with all necessary safety and control devices required to connect to the cold water mains and are compliant with g3 building regulations. Here coloured wires indicate the permanent mains supply to the boiler and programmer.
Our wiring diagrams section details a selection of key wiring diagrams focused around typical sundial s and y plans. Packaged eco cyls come with all the necessary equipment required to correctly operate the heat pump and pressurised cylinder pre plumbed and wired which. The cylinder is a purpose designed unvented water heater. This diagram shows the wiring layout using the most typical components. X range x plan wiring diagram unvented cylinder option gyellow cut off dhw sl coil. Orange grey wires from ch zone are not required please isolate opentherm make safe.
The unit has a stainless steel inner vessel which ensures an excellent standard of corrosion resistance. The outer casing is a combination of resilient thermoplastic mouldings and plastic coated corrosion proofed steel sheet. All products are insulated. Heating control ntc cylinder sensor connect timer to the no dhw demand nc no dhw e orange grey 2.
Gallery of Unvented Cylinder S Plan Wiring Diagram
