The location of the fire alarm control unit facu and when required the remote annunciator panel are located near the main entrance or as approved by the ahj 4 4 6 3.
Fire annunciator panel mounting height.
Annunciator and zone indication 1 except as permitted by sentences 3 to 5 an annunciator shall be installed in close proximity to a building entrance that faces a street or an access route for fire department vehicles that complies with sentence 3 2 5 5 1.
And the actual lower mounting height.
Ideally its front panel indicators at eye level.
Manual fire alarm boxes pull stations the height of the manual fire alarm boxes shall be a minimum of 42 inches and a maximum of 54 inches measured vertically from the floor level to the activating handle or lever of the box.
If more than one building is served by a system each building is indicated separately on the facu or annunciator and it is noted as such on the plans 4 4 6.
Not less than 150 mm from the ceiling measured from the top of the assembled device top edge of gong if the device is a bell.
Not less than 2300 mm above the floor where ceiling heights allow measured to the centre of the device.
Fire alarm control units and remote annunciators display and or operating controls shall not be more than 72 above the finished floor level.
In terms of appliance location 18 5 5 3 details where ceiling heights do not permit wall mounting at a minimum of 80 in the room size covered by a visual notification appliance of a given value shall be reduced by twice the difference between the minimum mounting height of 80 in.
Usually chest to eye height they have to be seen remember.
Remote control units dgp rcu ttb etc the top of the cabinet shall not be more than 96 above the finished floor level.
2 except as permitted by sentence 6 the annunciator.
It should be at a height where it is easilly accessable and in a prominent position in the building.
A new requirement for the 2019 edition of nfpa 72 also specifies the maximum and minimum mounting heights for control equipment as 6 ft 1 8m and 15 in.
Manual fire alarm boxes shall be red in color.
So as you can see there is no definitive answer as to where a fire alarm control unit needs to be installed.