Hive is basically a cloud connected thermostat with scheduling that lets you control your Heating or Heating and Hot Water from you phone or a computer. This post shows how to wire it up to your Vaillant ecoTEC plus 824.
WARNING: this is information is to be used as is. I can also not guarantee it will work for you nor can I be held responsible/liable if you use this information.
NOTE: It definitely worked for me though.
Vaillant ecoTEC plus 824 connections:
The diagram below was taken from the Vaillant ecoTEC plus 824 manual, by default connections 3 and 4 are connected.
You will then need to work with the L, N, 3 and 4 pins to hook your combi boiler up.
This loop above needs to be removed in order to install your Hive.
Hive comes in two flavours, Single channel (Combination Boiler) or Dual channel (Combination Boiler or Boiler & Tank)
Wiring your Hive into your Vaillant ecoTEC plus 824:
Single Channel Receiver Wiring:
Dual Channel Receiver Wiring:
Using you Hive:
After setting up the Network Link and the Thermostat (instructions come with the hive), you can then login on-line and create a schedule with set temperatures:
It also logs the temperature for review: