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.
Zone
. A designated area of a building. Commonly, zone, is interchanged with initiating device
circuit.
Serial interface circuit
. Circuit connect to annunciator, RPM (FCA2018-U1).
Signaling line circuit
. Circuit connect to field devices.
75
Содержание FC901-R3
Страница 2: ......
Страница 3: ......
Страница 7: ......
Страница 32: ...FC901 Enclosure Mounting Pictures 25 ...
Страница 55: ...This page is left intentionally blank 48 ...