DIY Doctor

Connecting a Danfoss CP715SI Controller to my Boiler

Postby leccy427 » Sun Jan 26, 2020 10:33 am

I've been 'given' a Danfoss CP715SI controller and would like to connect it to my (oil fired) Grant Combi 70V3. I hasten to add that I'm not going to do anything other than this, otherwise I would leave it to a heating engineer. I consider my self a competent electrical technician, and just need to know the connections between the two.

The existing controller is mounted on the boiler cabinet, which is in the garage, so it would be easier if we could control it for inside the house, hence the CP715SI seems to be a good idea. I can easily run in the necessary cable.

I'm wondering there is anyone on the forum that could tell me the respective terminal connections at each end, and whether I disconnect the existing controller or not.

thanks for reading.
leccy427
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