Help Required Trying to Fit Hive to Alpha CB24 Boiler

Postby DubZS » Sat Dec 16, 2017 12:10 pm


In need of some help fitting Hive. My boiler is an Alpha CB24 and the old thermostat was a SM300 (I've uploaded a picture of the wiring diagram and how the actual unit was wired).

I've connected to hive is


Now the receiver and the boiler both power but I have no heating of hot water. any ideas as to what I've done wrong would be very appricated.
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