Siemens FireSeeker FS-250 Programming Manual page 19

F S - 2 5 0 P R O G R A M M I N G M A N U A L
Output Zone. There may be 255 output zones. Normally used to specify an area of
the building for signaling. The output devices such as notification appliances,
audible bases, relay bases, FS-SAUs and FS-RUs are connected to these output
zones so that when the output zones become active these devices will be activated.
Power Supply. That portion of the fire alarm control unit that provides the power
needed to operate all control unit modules, as well as that needed to operate all
electrically powered initiating devices and all notification appliances.
Quick Test. A term pertaining to the test mode of the system that automatically
resets after a service tech tests initiating devices.
Supervisory Alarm. A signal indicating the operation of a supervisory device.
Supervisory Device. A device that monitors the condition of a sprinkler system
such as a gate-valve switch, water level switch, low pressure switch, low
temperature switch or fire pump monitor.
Trouble Signal. An audible signal indicating trouble of any nature, such as a circuit
break or ground, occurring in the device or wiring associated with a fire alarm signal.
Waterflow Switch. An assembly approved for service and so constructed and
installed that any flow of water from a sprinkler system equal to or greater than that
from a single automatic sprinkler head will result in activation of this switch and
subsequent indication of an alarm condition.
33