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LEGEND <br />INSTRUMENT IDENTIFICATION <br />SYMBOL <br />DESCRIPTION <br />LOCAL FIELD MOUNTED INSTRUMENT INCLUDING <br />O <br />TRANSMITTER FOR SINGLE MEASURED VARIABLE <br />�j <br />EXISTING INSTRUMENT <br />LOCAL FIELD MOUNTED INSTRUMENT FOR TWO <br />00 <br />MEASURED VARIABLES OR MORE THAN ONE FUNCTION <br />PANEL MOUNTED INSTRUMENT FOR <br />e <br />SINGLE MEASURED VARIABLE <br />0 <br />PANEL MOUNTED INSTRUMENT LOCATED <br />ON FACE OF LOCAL CONTROL PANEL <br />MOUNTED INSTRUMENT <br />eePANEL <br />FOR TWO MEASURED VARIABLES <br />OR MORE THAN ONE FUNCTION <br />MANAGEMENT CONTROL SYSTEM <br />ElENERGY <br />FUNCTION (EMCS) <br />INDICATING LIGHT <br />DIRECT CONNECTION <br />PRESSURE <br />SYMBOL <br />DESCRIPTION <br />DIAPHRAM SEAL CONNECTION <br />TEMPERATURE <br />SYMBOL <br />DESCRIPTION <br />2 <br />TEMPERATURE ELEMENT <br />W/ THERMO-WELL <br />FLOWS <br />SYMBOL <br />DESCRIPTION <br />ORIFICE PLATE OR <br />RESTRICTION DEVICE <br />FE <br />IN LINE FLOW ELEMENT <br />DASHED LINE <br />> INDICATES BEHIND <br />PANEL MOUNTINGS <br />NSTRUMENT AND CONTROLS LEGEND <br />CONTROL SYMBOLS / ABBREVIATIONS <br />SYMBOL <br />DESCRIPTION <br />Al <br />ANALOG INPUT, SIGNAL TO EMCS <br />AO <br />ANALOG OUTPUT, SIGNAL FROM EMCS <br />OS <br />CONTROL AIR SOURCE <br />DI <br />DIGITAL INPUT, SIGNAL TO EMCS <br />DO <br />DIGITAL OUTPUT, SIGNAL FROM EMCS <br />�E <br />ELECTRIC ACTUATOR <br />E/P <br />ELECTRIC TO PNEUMATIC <br />I/P <br />ELECTRONIC TO PNEUMATIC <br />0 <br />INTERLOCK <br />❑M <br />MOTOR ACTUATOR <br />MCC <br />MOTOR CONTROL CENTER <br />© <br />PNEUMATIC ACTUATOR <br />VFD <br />VARIABLE FREQUENCY DRIVE <br />® <br />END SWITCH <br />PB <br />PUSH BUTTON <br />PRESSURE DIFFERENTIAL INDICATOR GAUGE <br />LINES <br />SYMBOL <br />DESCRIPTION <br />CAPILLARY TUBING, (FILLED SYSTEM) <br />CONNECTION TO PROCESS MECHANICAL <br />LINK OR INSTRUMENT INPUT <br />^"^"^ <br />ELECTRIC HEAT TRACE <br />— — — — — — — <br />ELECTRICAL SIGNAL <br />EQUIPMENT PACKAGE <br />WHERE NOTED <br />MAIN PROCESS <br />PNEUMATIC SIGNAL <br />7�4 70— <br />SECONDARY PROCESS <br />—0 0— <br />120V POWER <br />REFERENCE NO. <br />1.. 2.. <br />CONTINUED ON SHEET NO. <br />NSTRUMENT SOCIETY OF AMERICA TABLE <br />IDENTIFICATION LETTERS <br />FIRST LETTER <br />SUCCEEDING LETTERS <br />MEASURED OR <br />INITIATING VARIABLE <br />MODIFIER <br />READOUT OR <br />PASSIVE FUNCTION <br />OUTPUT <br />FUNCTION <br />MODIFIER <br />A <br />ANALYSIS <br />ALARM <br />B <br />BURNER, COMBUSTION <br />USER'S CHOICE <br />USER'S CHOICE <br />USER'S CHOICE <br />C <br />USER'S CHOICE <br />CONTROL <br />D <br />USER'S CHOICE <br />DIFFERENTIAL <br />E <br />VOLTAGE <br />SENSOR <br />PRIMARY ELEMENT <br />F <br />FLOW RATE <br />RATIO (FRACTION) <br />G <br />USER'S CHOICE <br />GLASS, <br />VIEWING DEVICE <br />H <br />HAND <br />HIGH <br />I <br />CURRENT (ELECTRICAL) <br />INDICATE <br />J <br />POWER <br />SCAN <br />K <br />TIME, TIME SCHEDULE <br />TIME RATE OF <br />CHANGE <br />CONTROL STATION <br />L <br />LEVEL <br />LIGHT <br />LOW <br />M <br />USER'S CHOICE <br />MOMENTARY <br />MIDDLE, <br />INTERMEDIATE <br />N <br />USER'S CHOICE <br />USER'S CHOICE <br />USER'S CHOICE <br />USER'S CHOICE <br />0 <br />USER'S CHOICE <br />ORIFICE, RESTRICTION <br />P <br />PRESSURE, VACUUM <br />POINT (TEST) <br />CONNECTION <br />Q <br />QUANTITY <br />INTEGRATE, <br />TOTALIZE <br />R <br />RADIATION <br />RECORD <br />S <br />SPEED, FREQUENCY <br />SAFETY <br />SWITCH <br />T <br />TEMPERATURE <br />TRANSMIT <br />U <br />MULTIVARIABLE <br />MULTIFUNCTION <br />MULTIFUNCTION <br />MULTIFUNCTION <br />V <br />VIBRATION, MECHANICAL <br />ANALYSIS <br />VALVE, DAMPER, <br />LOUVER <br />W <br />WEIGHT, FORCE <br />WELL <br />X <br />UNCLASSIFIED <br />X AXIS <br />UNCLASSIFIED <br />UNCLASSIFIED <br />UNCLASSIFIED <br />Y <br />EVENT, STATE OR <br />PRESENCE <br />Y AXIS <br />RELAY, COMPUTE <br />CONVERT <br />Z <br />POSITION, DIMENSION <br />Z AXIS <br />DRIUNCLASSIFIED R, <br />FINAL CONTROL ELEMENT <br />GENERAL NOTES <br />REFERENCE DRAWINGS <br />CONSTRUCTION NOTES <br />FOR REFERENCE ONLY <br />FACILITY DESIGN BY FS i DATE 06.27.2022 <br />SYM <br />REVISION <br />BY <br />APPROVED <br />DATE <br />SYM <br />REVISION <br />BY <br />APPROVED <br />DATE <br />® <br />BOE//VO <br />ACCEPTABILITY <br />THIS DESIGN AND/OR <br />SPECIFICATION IS APPROVED <br />UNAILAWN <br />D07.22.96 <br />SUBTITLE INSTRUMENTATION LEGEND <br />AND ABBREVIATIONS <br />CURRENT i EVISIION <br />27277201 <br />SYMBOL <br />A <br />DATE 12.11.13 <br />— <br />40-51 AS —BUILT J# 964058-01 <br />CANADA <br />07.22.96 <br />CHECKED <br />Q.C. <br />07.22.96 <br />SHEET <br />M 1 e <br />A <br />OBSERVATION TOWER HVAC UPGRADES 12727720 <br />SAZAN/RO <br />12.11.13 <br />ENGINEER <br />Q.C. <br />07.22.96 <br />TITLE <br />OBSERVATION TOWER HVAC UPGRADES <br />BUILDING 40-51 <br />MECHANICAL MASTER EVERETT, WA <br />APPROVED BY <br />DEPT. <br />DATE <br />CHECKED <br />Q.G. <br />07.22.96 <br />JOB NO. <br />964058-01 <br />COMPND. <br />APPROVED <br />APPROVED <br />owc No. 40-051—M1e <br />