Wiring a Worcester Greenstar 30i to Extension box

Geemo67

Hi
Need help wiring a Tado Extension Box to a Greenstar 30i .
Maybe I’m missing something but , it says A &B on drawings , but I don’t see these connections?.
Also what are the digital connections ? .
Need help , thank you in advance
G

[Deleted User]

Hello Geemo67,

Thank you for posting.

However we strongly recommend you to contact the Support Team so we can provide you with custom made installation instructions,

https://support.tado.com/en/articles/3590239-how-can-i-contact-tado

Kind regards,

Joey