Nov 04 vaillant wiring into y plan. If you cant find what youre looking for here please contact us at literature at vaillantcouk and well send the correct document directly to you.

Central Boiler Wiring Diagrams Wiring Diagrams
Vaillant s plan wiring diagram. The new vaillant boiler has a different pcb to the older type. I have installed a vaillant ecotec pro 630 system boiler on an s paln system. This video covers the wiring and electrical operation of an s plan system with two 2 port valves. I ahve wired everything as per s plan diagram all works ok but boiler shuts down when heat demand satisfied and there is no pump overun. Pair extension kit with internet bridge 11 4. Wiring diagrams and further information continues below.
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. Wiring smart thermostat combi boilers dry contacts 6 extension kit combi boilers dry contacts 7 extension kit s plan setups switched live 8 extension kit y plan setups switched live 9 2. Wiring s plan and uhf to vaillant boiler. Here coloured wires indicate the permanent mains supply to the boiler and programmer. Vaillant ecotec plus to s plan. I need an experts advice.
The new vaillant boiler has a different pcb to the older type. A plumber friend of mine has asked for some help wiring up a vaillant ecotec system boiler in an s plan configuration. Discussion in plumbing and central heating. An s plan system is relatively simple once you understand the basics. Discussion in plumbing and central heating started by longhouse can you enlarge the proposed wiring diagram please. This diagram shows the wiring layout using the most typical components.
I ahve wired everything as per s plan diagram all works ok but boiler shuts down when heat demand satisfied and there is. Contents optional accessory 5 1. Wiring diagrams contains all the essential wiring diagrams across our range of heating controls. Connect internet bridge to router 10 3. There should be a clear wiring diagram in the megaflo handbook. Jan 29 vaillant ecotec plus to s plan.
Unable to make anything out in its present form. I have installed a vaillant ecotec pro system boiler on an s paln system. Our wiring diagrams section details a selection of key wiring diagrams focused around typical sundial s and y plans. And i suggest you spend some time learning how the electrics work rather than just following a diagram. Gas4you 28 jan 2009. Feb 07 i need an experts advice.
Whether youre looking for an installation service manual or some simple guidance on how to use your boiler we hope youll find what youre looking for in this downloads section. I am familiar with s plan but cant work out how to do it with this boiler and the vaillant manual whilst very good on the gas side is a bit lacking electrically the boiler needs l n e from the wiring centre no problem. 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. Apparently the new vaillant boilers have.