The unit has a stainless steel inner vessel which ensures an excellent standard of corrosion resistance. Wiring is based on the standard y plan with the addition of a high limit thermostat and a 2 port motorised valve.
Yy 0445 Water Boiler Heating System On Central Heating
Unvented cylinder s plan wiring diagram. This diagram shows the wiring layout using the most typical components. These are shown at the bottom right of the diagram. Our wiring diagrams section details a selection of key wiring diagrams focused around typical sundial s and y plans. Heating control ntc cylinder sensor connect timer to the no dhw demand nc no dhw e orange grey 2. 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. The cylinder is a purpose designed unvented water heater.
X range x plan wiring diagram unvented cylinder option gyellow cut off dhw sl coil. Packaged eco cyls come with all the necessary equipment required to correctly operate the heat pump and pressurised cylinder pre plumbed and wired which. Here coloured wires indicate the permanent mains supply to the boiler and programmer. Orange grey wires from ch zone are not required please isolate opentherm make safe. The outer casing is a combination of resilient thermoplastic mouldings and plastic coated corrosion proofed steel sheet. This video covers the wiring and electrical operation of an s plan system with two 2 port valves.
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 diagrams and further information continues below. Wiring diagrams contains all the essential wiring diagrams across our range of heating controls. All products are insulated.
Gallery of Unvented Cylinder S Plan Wiring Diagram
