Nest Heat Link wiring diagram

[pcdj]

So I've taken the punt in buying a Nest and have consulted the wiring diagram for my existing Digistat +2 and what the Heat Link requires...

Black Digistat to Nest 3
Blue and grey spare in wall to Nest N
Brown and red Digistat to Nest L
Jumper Nest L with Nest 2

Just want to confirm for the next person that the above works a treat. Wired it up this evening after checking for the permanent and switched lives with a multimeter (they were wired as expected), and everything's up and running.

 

[stem]

and?

Not sure about the remaining red, second, wire going into C on the Digistat though.

 

[pcdj]

Oops, long day - edited.