Method and installation for removing smoke from a monitored space

In a space (1) and an installation for fighting a fire in said space, and further including a shower room (3), a through-wall opening into said shower room from said space and at least one ventilation or air-conditioning duct (5) out-going from said shower room, the improvement of said installation comprising:

• at least one spray head (11a) for spraying liquid in the form of small droplets, like a fog, into said ventilation or air-conditioning duct (5) to produce a suction, whereby to draw smoke into said ventilation or air-conditioning duct from said space;
• and
• a sprinkler control device (6) in said space and arranged to, upon release, to activate a further spray head (8) in said opening to produce a suction from said space past said further spray head, whereby to draw smoke into said shower room for removal by said ventilation or air-conditioning duct.

In a space (1) and an installation for fighting a fire in said space, and further including a toilet room (3), a through-wall opening into said toilet room from said space and at least one ventilation or air-conditioning duct (5) out-going from said toilet room, the improvement of said installation comprising:

• at least one spray head (11a) for spraying liquid in the form of small droplets, like a fog, into said ventilation or air-conditioning duct (5) to produce a suction, whereby to draw smoke into said ventilation or air-conditioning duct from said space;
• and
• a sprinkler (6) in said space arranged, upon release, to activate a further spray head (8) in said opening to produce a suction from said space past said further spray head, whereby to draw smoke into said toilet room for removal by said ventilation or air-conditioning duct.