They don't turn the Sprinklers on during a fire drill those get set off when heat from the fire melts the little plug that keeps it from spraying and then the water starts coming down.
Gb755c 2 days ago
Did the system talk at all or did it just keep doing that code-3 tone?
Gb755c 1 month ago
Those are actually incandescent lights. They are just being pulsed on and off.
Farenheit4051 1 year ago
Looks like its Simplex 2903 speaker/strobes playing the 4100U code 3.
TrueAlertSS 1 year ago 2
They don't turn the Sprinklers on during a fire drill those get set off when heat from the fire melts the little plug that keeps it from spraying and then the water starts coming down.
Gb755c 2 days ago
Did the system talk at all or did it just keep doing that code-3 tone?
Gb755c 1 month ago
Those are actually incandescent lights. They are just being pulsed on and off.
Farenheit4051 1 year ago
Looks like its Simplex 2903 speaker/strobes playing the 4100U code 3.
TrueAlertSS 1 year ago 2