Potter Releasing Systems - Manual (Page 10)

10
Fire Alarm and Emergency Communication Symbols
Signal Initiating Devices
Referent (Synonym) Symbol Comments
manual stations (call point) general
manual alarm box
(pull station and pull box)
telephone station
(telephone call point)
automatic detection and
supervisory devices
general
heat detector*
(thermal detector)
includes fixed temperture,
rate compensation, and
rate-of-rise detectors
smoke detector
includes photoelectric and
ionization type detectors
duct detector
gas detector
flame detector*
(flicker detector)
includes ultraviolet, infrared, and
visible radiation type detectors
flow detector/switch
pressure detector/switch
alternate term: pressure switch
air, water, etc.
level detector/switch*
tamper detector/switch alternate term: tamper switch
valve with tamper detector/switch