ENGINEERING MANUAL OF AUTOMATIC CONTROL
INDIVIDUAL ROOM CONTROL APPLICATIONS
398
GRAPHIC SYMBOLS
The following symbols ar e used in g raphic displa ys in this
section. These symbols denote the na tur e of the de vice, such as
a thermometer for temperature sensing.
13
13
63
ON
AUTO
74
0.45
CONTROLLER, TEMPERATURE
SENSOR, TEMPERATURE
LOW LIMIT
HIGH LIMIT
MANUAL RESET NOTATION
INSERTION TEMPERATURE SENSOR
TEMPERATURE SENSOR,
AVERAGING
TEMPERATURE CONTROLLER,
MANUAL RESET, SAFETY LOW LIMIT
MANUAL MULTI-STATE
COMMAND (ON-OFF-AUTO)
STATUS POINT
VALUE POINT (% LOAD)
COMMANDABLE VALUE
3-WAY VALVE WITH ACTUATOR
2-WAY VALVE WITH ACTUATOR
DAMPER WITH ACTUATOR
SMOKE DETECTOR
(NFPA SYMBOL)
PROPELLER EXHAUST FAN
SOLENOID VALVE
PUMP
FILTER
HEATING COIL
COOLING COIL
PRESSURE SENSOR
PRESSURE CONTROLLER,
HIGH LIMIT CUT-OUT,
MANUAL RESET
FAN
M15150
NORMAL
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