Smokes should be on a loop unless you have so many to even justify multiple fire zones....which in a residence is usually....next to never. Until a house is a multiple of your size, the benefits of separating out the detectors vs. complexity and other items that must be considered (such as reset, if 2/4 wire can be used...reversing relays, etc.).
Protective devices should NEVER be set on a 24H zone, they should always be controllable by the panel. I've almost never seen the possibilities of a person getting broken in while the alarm was left disarmed...and if you don't use the alarm when you're home/away, the purpose of it is somewhat moot to justify poor habits by using 24H zones.
Powered devices should be on their own zone, period.
Doors should be their own zone.
Windows, I generally say by room or if you have many, bank/wall.
CO's need to have other considerations if you're going on one or multiple zones....really it's more of a design and panel issue, not to mention the increasing conductor count if you put more than one on a zone.
Critical condition monitoring should be it's own zone. Panic buttons also.
Protective devices should NEVER be set on a 24H zone, they should always be controllable by the panel. I've almost never seen the possibilities of a person getting broken in while the alarm was left disarmed...and if you don't use the alarm when you're home/away, the purpose of it is somewhat moot to justify poor habits by using 24H zones.
Powered devices should be on their own zone, period.
Doors should be their own zone.
Windows, I generally say by room or if you have many, bank/wall.
CO's need to have other considerations if you're going on one or multiple zones....really it's more of a design and panel issue, not to mention the increasing conductor count if you put more than one on a zone.
Critical condition monitoring should be it's own zone. Panic buttons also.