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Looking at the image, its difficult to see how else a concealed closer could be fitted. Get the manufacture and model off the closer and look for the cert. see page 3 attachedGEZE_Certificate_EN_759072.pdfGEZE_Certificate_EN_759072.pdfGEZE_Certificate_EN_759072.pdfGEZE_Certificate_EN_759072.pdf
Leave unlocked and fit an EN 1154 such as https://www.safelincs.co.uk/geze-2000-overhead-door-closer/
First deal with the glazed panel issue. Check they are fire rated and if not, assuming fire resistance is a requirement, replace with an FR glazing system. Use the link Tom has provided for some helpful guidance. The client should be aware that double-action fire doors present compliance problems in terms of fire resistance and smoke spread as compared to single-action doors
If the fire door does not close due to the resistance of the latch/air pressure you need a fire door closer with "latching action". The Geze TS4000 for example has the latching action as well as plenty of power to close even heavier doors reliably
Hi Bob You need a fire door closer with adjustable latching action. You can then control the final closing action of the fire door (last 10-15 degrees of movement) rather than slamming the fire door all the way
This may be of interest to you cam action door closer but price is high, but for one off's it may be considered acceptable. http://www.doorstuff.co.uk/doorclosers/geze-ts3000b-slimcam-guide-rail-door-closer.php
I am not aware of an electrically operated door closer. The only door closer that could be described in those terms I would think, is a, Free swing door closer - The door can be opened without any resistance from closer making it ideal for applications where the doors will be operated by less able people
