FWIW....Something I have not seen in the posts of this thread is what the mfr installation instructions read regarding the particular suppression system installed.
What Larry Fine stated is what we typically see in California.
I will cautiously go out on a short limb here. We are a Kidde dealer, and the UL listing differences among the various suppression systems are small, so here goes. When the suppression system is activated, gas to all cooking appliances (covered or not) must shut down, and electrical power to
covered appliances must also shut down. which agrees with NFPA 17A. These systems are listed for exhaust on
or off. The IBC, IFC, and IMC require that all electrical appliances under the hood shut down. So lights, steam kettles with electrical controls, etc. wind up shutting down. A waste, in my opinion, especially for retrofits.
My quick trip through the Kidde installation manual reveals no requirement to shut down make up air. However, if NFPA 96 is in effect in your jurisdiction, the requirement is in there, as well as, I believe, the various international codes.
So there you have it. If anyone has specific questions on Kidde systems, I'd be glad to help, and I may be able to offer limited guidance on Amerex, Pyro-Chem, Ansul, Badger, and Range Guard.