How do I wire a Dratyon Digistat SCR to a Buderus boiler ~ please help

[Integrity]

Hi and hello all you experts, following on from some excellent advice previously given I have purchased. Drayton Digistat SCR unfortunately I do not know how to wire it up. I am given to understand that there are only 4wires involved.the terminals on the boiler are as the photo. Can one of you experts please point me in the right direction and tell me what wire goes to what terminal?
any help will be really appreciated.
thanks
Integrity

 

[Worcester]

Don;t know if I should tell you this Else croppie might tell me off .. The best place for wiring diagrams is the best place for controls.

Do a Google Search for "Honeywell Wiring Diagrams"

(The diagrams apply to all controllers.)

Usually the first link will take you to all the different diagrams you could ever think of. How you wire it depends upon the configuration of your system, Y plan, S plan ...

Normally controls these days should fit on a standard back plate...