My apologies. I have been putting this reply on the back burner since you posted.
Yes.
There is a simple mechanical way and then there is an electrical way that you have to use an adapter to do it. Other than those two ways there is not a built-in override option. Well at last I don't see one...
I like these. If I did not build my own with all the same features and more without the inflated price, this is 1 of a limited few would actually consider buying. Or recommending to someone, if I could not get one of my doors to them.
Couple of notes.
A "sensor is a NPN NC" would most likely...