8030_mi1.pdf

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SCALE

DATE

PROJECT NO:

DRAWING NO:

OFSHEET

AS SHOWN

E L

L E

R

PH

PC

H

HC

DX

C

CONTACT, PRESSURE, LOW LIMIT (LL)

CONTACT, PRESSURE, LOW LIMIT (LL)

SEE "ACTUATOR, PNEUMATIC"

P

PP

CONTACT, PRESSURE, HIGH LIMIT (HL)

CONTACT, PRESSURE, HIGH LIMIT (HL)

COIL, HEAT/COOL (DUAL TEMPERATURE)

VDC OR mA INPUT / 3-15 PSI OUTPUT

(WHEN MORE THAN 1 EPS)

(WHEN MORE THAN 1 EP)

EP

RELAY COIL CONTACT

RELAY COIL CONTACT

CONTROL SCHEMATIC SYMBOLS

P

P

M

PP

ACTUATOR, ELECTRIC

IN DAMPER SCHEDULE

RELAY COIL

M#

IN DAMPER SCHEDULE

DAMPER, BALANCING

## : DEVICE NUMBER

OUTPUT IS ALWAYS SAFETY INTERLOCK

DEVICE SYMBOL, CONTROLLER

GENERIC USAGE TO SHOW LOCATION OF DEVICE;

CLOSED WHEN TEMPERATURE IS ABOVE SETPOINT

CLOSED WHEN TEMPERATURE IS ABOVE SETPOINT

CLOSED WHEN TEMPERATURE IS BELOW SETPOINT

CLOSED WHEN TEMPERATURE IS BELOW SETPOINT

COM = COMMON PORT

IN VALVE SCHEDULE

## = VALVE NUMBER AS SHOWN

NO = NORMALLY OPEN

COM = COMMON PORT

NO = NORMALLY OPEN

IN VALVE SCHEDULE

## = VALVE NUMBER AS SHOWN

NC

NO

NC

IN VALVE SCHEDULE

IN VALVE SCHEDULE

## = VALVE NUMBER AS SHOWN

## = VALVE NUMBER AS SHOWN

NO

NO

NC

THERMOWELL IN PIPE

TEMPERATURE SENSOR, POINT

T

P

H L

(WHEN MORE THAN 1 LDP)##

GENERIC USAGE TO SHOW LOCATION OF DEVICE;

EH

DEVICE SYMBOL, GENERIC

USED TO REPRESENT SENSORS, INSTRUMENTS

SAFETIES, AND OTHER CONTROL DEVICES

W-X-Y-Z : (SEE ABBREVIATIONS AND ACRONYMS)

PROCESS OR DEVICE BEING MEASURED OR

CONTROLLED; SIGNAL TYPE; MODIFIERS AND

OTHER APPLICATION INFORMATION

W-X-Y-Z MULTIPLE OUTPUT DEVICE WHERE AT LEAST 1

DEVICE SYMBOL, GENERIC

DDC : DIRECT DIGITAL CONTROL

DIR : DIRECT CONTROL ACTION, OR

REV : REVERSE CONTROL ACTION

W-X-Y-Z : (SEE ABBREVIATIONS AND ACRONYMS)

PROCESS OR DEVICE BEING MEASURED OR

CONTROLLED; SIGNAL TYPE; MODIFIERS AND

OTHER APPLICATION INFORMATION

DIR

REV

DDC

W-X-Y-Z

W-X-Y-Z

CLOSED WHEN PRESSURE IS ABOVE SETPOINT

OPEN WHEN PRESSURE IS BELOW SETPOINT

SHOWN IN UNACTIVATED POSITION

CONTACT, TEMPERATURE, HIGH LIMIT (HL)

SHOWN IN ACTIVATED POSITION

OPEN WHEN TEMPERATURE IS ABOVE SETPOINT

CONTACT, TEMPERATURE, HIGH LIMIT (HL)

SHOWN IN UNACTIVATED POSITION

OPEN WHEN TEMPERATURE IS ABOVE SETPOINT

CONTACT, TEMPERATURE, LOW LIMIT (LL)

SHOWN IN ACTIVATED POSITION

OPEN WHEN TEMPERATURE IS BELOW SETPOINT

CONTACT, TEMPERATURE, LOW LIMIT (LL)

SHOWN IN UNACTIVATED POSITION

OPEN WHEN TEMPERATURE IS BELOW SETPOINT

CONTROL SIGNAL LINE, LOW VOLTAGE

CURRENT TRANSFORMER/SWITCH

PRESSURE GAGE

AND LOCALLY MOUNTED

WITH POSITIVE POSITIONER

ACTUATOR, PNEUMATIC

PRESSURE GAGE

WITH LOCALLY MOUNTED

ACTUATOR, PNEUMATIC

AFMA

AIR FLOW MEASUREMENT ARRAY,

WITH FLOW TRANSMITTER

SEE "DEVICE SYMBOL, GENERIC"

BOILER

CHILLER

COIL, COOLING

COIL, COOLING, DIRECT-EXPANSION

COIL, HEATING

COIL, ELECTRIC HEAT

COIL, PRECOOL

COIL, PREHEAT

CLOSED WHEN PRESSURE IS BELOW SETPOINT

OPEN WHEN PRESSURE IS ABOVE SETPOINT

SHOWN IN ACTIVATED POSITION

CLOSED WHEN PRESSURE IS BELOW SETPOINT

OPEN WHEN PRESSURE IS ABOVE SETPOINT

SHOWN IN UNACTIVATED POSITION

OPEN WHEN PRESSURE IS BELOW SETPOINT

SHOWN IN ACTIVATED POSITION

CLOSED WHEN PRESSURE IS ABOVE SETPOINT

Rxx-YY

Rxx-YY

Rxx

MS-#

MOTOR

MOTOR STARTER

(SOLENOID) NUMBER

xx = SEQUENTIAL RELAY

NORMALLY OPEN

xx = RELAY COIL NUMBER

YY = CONTACT NUMBER

NORMALLY CLOSED

xx = RELAY COIL NUMBER

YY = CONTACT NUMBER

HEAT EXCHANGER

AIR

MAIN

MAIN AIR

D-##

## = DAMPER NUMBER AS SHOWN

NORMALLY OPEN OR CLOSED AS SHOWN

DAMPER, OPPOSED BLADE

## = DAMPER NUMBER AS SHOWN

NORMALLY OPEN OR CLOSED AS SHOWN

DAMPER, PARALLEL BLADE

D-##

V-##

VALVE, NORMALLY OPEN

WITH SPRING RETURN FAILSAFE

WITH SPRING RETURN FAILSAFE

VALVE, NORMALLY CLOSED

V-##

VALVE, BALANCING

STAT

SEE "DEVICE SYMBOL, GENERIC"

TEMPERATURE SENSOR, AVERAGING

TEMPERATURE GAGE

SWITCH, MANUAL

SEE "DEVICE SYMBOL, GENERIC"

SMOKE DETECTOR, DUCT-MOUNTED

RESET BUTTON FOR SAFETY RESETRST-BUT

RADIATOR

PUMP

SEE "DEVICE SYMBOL, GENERIC"

L = LOW PRESSURE TAP

H = HIGH PRESSURE TAP

PRESSURE GAGE

POSITIVE POSITIONER

## = SEQUENTIAL NUMBER

LOCAL DISPLAY PANEL

LDP

FILTER

FAN

## = SEQUENTIAL NUMBER

ELECTRIC-TO-PNEUMATIC TRANSDUCER

EPS

(SOLENOID ACTUATED PNEUMATIC VALVE)

## = SEQUENTIAL NUMBER

ELECTRIC-TO-PNEUMATIC SWITCH

COM

V-##

COM

V-##

WITH SPRING RETURN FAILSAFE

VALVE, 3-WAY MIXING

NC = NORMALLY CLOSED

WITH SPRING RETURN FAILSAFE

VALVE, 3-WAY DIVERTING

NC = NORMALLY CLOSED

VARIABLE FREQUENCY DRIVE

SS = START/STOP COMMAND

S = STATUS FEEDBACK (ON/OFF)

XX-S

VFD

XX-SSXX-C

SEE "DEVICE SYMBOL, GENERIC"

WITH GAGE

PRESSURE SWITCH, DIFFERENTIAL,

CONTROLLED

XX = PROCESS/DEVICE BEING

CONTROL SIGNAL

C = 4-20 mA, VDC, or SNVT

IN

IN

IN

B

A

A

B

IN

IN

IN

IN

IN

IN

DB

PID

IN

IN

T=___ SEC

IN

IN

NC

NO

IN

IN

IN

IN

IN

IN

IN

IN

IN

IN

IN

IN

IN

C D

UP

U

SCHEDULER

OUT

INPUTS

AND CLEAR

DOWN, RATE,

RAMP WITH UP, CLEAR

RATE

DOWNINCREASES)

DECREASES AS INPUT

RESET SCHEDULE (OUTPUT

RESET

RESET

OUT

INPUT INCREASES)

(OUTPUT INCREASES AS

RESET SCHEDULE

OUT

FUNCTION

SUBTRACTION

OUT

MINUS

SETPOINT

OUTPUT

DEFAULT

VALUE

ENABLE

OUT

ENABLED

WHEN NOT

DEFAULT OUTPUT

ENABLE AND

PID LOOP WITH

OUT

SWITCH

OUT

CONTROL

COM

OUT

UNOCC

OCC

HAND

OFF

OUT H-O-A SWITCH

R=RESET

S=SET

BINARY LATCH

R

LAT

S B OUT

OUTPUT IS TRUE

WHEN IN1>IN2

DEADBAND (DB).

COMPARATOR WITH

DB=___

COMP

OUT

IN2

IN1

OUT

LOGICAL AND FUNCTION

OUT

LOGICAL OR FUNCTION

LOGICAL NOT FUNCTION

Out

ANALOG HARDWARE INPUT

INPUT

BINARY HARDWARE

BINARY HARDWARE OUTPUT

ANALOG HARDWARE OUTPUT

SIGNAL INPUT

ANALOG OR BINARY

SIGNAL OUTPUT

ANALOG OR BINARY

CONSTANT VALUE

STATEMENT

CONDITIONAL IF___

DEFINED

FUNCTION AS

GENERIC MATH

OUT

MATH

PLUS

OUT

FUNCTION

ADDITION

SELECTOR

SIGNAL

MAXIMUM

OUT

MAX

SELECTOR

SIGNAL

MINIMUM

OUT

MIN

CONTROL LOGIC DIAGRAM SYMBOLS

LIMIT / FREEZESTAT

or TEMPERATURE LOW

I/O FUNCTIONS

THERMOSTAT WITH SPECIFIED

TIME DELAY

OUT=IN AFTER

ON DELAY TIMER

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22 OCT 15

DPW 02643-5J

C8030.22

C.0004125