Good news all wires are there.
I found the diagram on the back plate. Are you able to tell which numbers go to the N,L 1,2,3 connectors on the Hive receiver? FYI on my valve system there is a bridge between 2&3 and 4&5.
My guess is
Hive Diagram - Valve system
N (perm Neg) - UNSURE
L (perm...