S Plan Central Heating System Wiring Diagram

Heating controls wiring guide issue 17 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 faq pump overrun wiring diagrams for s plan plus incorporating separate diagrams with st9100 time switch and.
S plan central heating system wiring diagram. System wiring diagrams. The diagram set includes wiring plans for a number of popular configurations of central heating systems c plan w plan y plan s plan s plan etc. And you should select the most appropriate diagram that matches the components you have installed in your system along with what you re hoping to achieve in terms of controllability. This video covers the wiring and electrical operation of a y plan system.
The s plan is popular because it is versatile you can add an unlimited number of zones simple to wire and easy to fault find on. Here is the usual wiring for an s plan system. Restore power to the system and test operation. Operation hot water and central heating.
Showing flow from boiler to y plan or mid position diverter valve and then onto heating or hot water circuit. S plan central heating system domestic wiring diagrams c w y plans 5c8f9 electrical drawing library how does an work boiler boffin oz 3816 paintings search result at paintingvalley com 6ead underfloor centre diagram resources s plan central heating system domestic central heating system wiring diagrams c w y s plans w plan central heating system 5c8f9 electrical read more. The boiler and pump are switched via the valve. Here coloured wires indicate the permanent mains supply to the boiler and programmer.
S plan heating systems are now the most common type of system installed in the uk after combination boiler systems which do not have any external motorised valves. Y plan system schematic. Interactive house central heating control valves. Wiring diagrams and further information continues below.
This is simply the above two diagrams combined. Interactive house gas boiler. Interactive house central heating controls thermostats. Unlike the y plan system operation of heating and hot water is totally separate they do not interact or require the presence of the other.