Central Heating 3 Way Valve Wiring Diagram

Part 3 in the series looks at y plan wiring a system which uses a single 3 port valve.

Central heating 3 way valve wiring diagram. Iee wiring regulations and part p of the building regulations. Sep 25 2011. Plumbing forum plumbing advice. Inside a central heating zone valve.

As with hot water only the orange valve wire is connected to power via the wiring centre. Swaping a danfoss 2 port motorised valve to be replaced with a honey well. If heat is required power continues to terminal 5 in the wiring centre and therefore to the white valve wire. This causes the valve motor to move to the mid position and water from the boiler flows to both the hot water cylinder and the radiators.

Part 4 in the heating wiring series covers how the 3 port mid position valve works internally allowing 3 separate positions from only 2 mains inputs. The motorised valve can be. Contains all the essential wiring diagrams across our range of heating controls. Heating controls wiring guide issue 17 v4073a y plan how a mid position valve operates within a y plan heating system.

Danfoss hs3 3 port valve question. Danfoss shoe or paddle 2 port valve. 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. This has one inlet and two outlets one for hot water the.

A motorised valve is used to control the flow of water in a central heating system. 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. Click the icon or the document title to download the pdf.