Other Units: Depending upon the system complexity, the FACP may receive signals from other gadgets like drinking water circulation switches in sprinkler programs. When the fire panel is built-in with constructing management programs, it may well remember elevators to the initial flooring, unlock doors and activate ventilation systems. CONNECTS TO https://www.firesense.co.uk/type/conventional-fire-system/conventional-fire-alarm-control-panels/