Symbols - Std 134

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ASHRAE STANDARD

American Society of Heating, Refrigerating

and Air-Conditioning Engineers, Inc.

1791 Tullie Circle NE, Atlanta, GA 30329

www.ashrae.org

Graphic Symbols for

Heating, Ventilating,

Air-Conditioning, and

Refrigerating Systems

ANSI/ASHRAE Standard 134-2005

Approved by the ASHRAE Standards Committee on February 9, 2005; by the ASHRAE Board of Directors on February 10, 2005; and by the American National Standards Institute on February 10, 2005.

This standard is under continuous maintenance by a Standing Standard Project Committee (SSPC) for which the Standards Committee has established a documented program for regular publication of addenda or revisions, including procedures for timely, documented, consensus action on requests for change to any part of the stan-dard. The change submittal form, instructions, and deadlines may be obtained in electronic form from the ASHRAE Web site, http://www.ashrae.org, or in paper form from the Manager of Standards. The latest edition of an ASHRAE Standard may be purchased from ASHRAE Customer Service, 1791 Tullie Circle, NE, Atlanta, GA 30329-2305. E-mail: [email protected]. Fax: 404-321-5478. Telephone: 404-636-8400 (worldwide), or toll free 1-800-527-4723 (for orders in U.S. and Canada).

ISSN 1041-2336

THIS DOCUMENT MAY BE COPIED AND DISTRIBUTED ONLY FOR HANDBOOK DEVELOPMENT BY HANDBOOK SUBCOMMITTEE MEMBERS OF TC1.4

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ANSI/ASHRAE Standard 134-2005

Graphic Symbols for Heating, Ventilating, Air-Conditioning, and Refrigerating Systems

SECTION PAGE

4 Symbols

Table 2-1 Linecodes ... 42

Table 2-3 Valves ... 51

Table 3-1 Thermostats & Controllers ... 63

Table 3-2 Sensors & Transmitters... 67

Table 3-3 Actuators ... 70

Table 3-4 Auxiliary Devices ... 71

Table 3-5 Accessories ... 75

Table 3-6 Lines... 76

Table 4 Equipment Symbols ... 77

NOTE: THE RIGHT HAND COLUMN OF EACH SYMBOLS PAGE IS LABELED "FILENAME". THE FILENAME, WHICH IS FOR REFERENCING PURPOSES, GENERALLY FOLLOWS THE CSI NUMBERING SYSTEM

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42 ANSI/ASHRAE STANDARD 134-2005

P

IPING

S

YMBOLS

T

ABLE

2-1 L

INECODES

SYMBOL DESCRIPTION FILENAME

PIPING SERVICE

SEE EXAMPLES, PAGES 44-49

P15010.001

PIPING SERVICE, SUPPLY P15010.002

PIPING SERVICE, RETURN P15010.003

PIPING SERVICE WITH

DETAIL INFORMATION P15010.004

DASHED LINE FOR HIDDEN OR UNDERGROUND PIPING WITH DETAIL

P15010.005

PIPING SERVICE, EXISTING P15010.006

VENT P15010.007

(4)

P

IPING

S

YMBOLS

T

ABLE

2-1 L

INECODES

continued

PIPING PITCH (%, MM/M OR IN/FT) _P15010.009

PIPING PITCH (%, MM/M OR IN/FT)

(ALTERNATE) P15010.010

(5)

P

IPING

S

YMBOLS

T

ABLE

2-1 L

INECODES

continued

PIPING SERVICE NAMES DESCRIPTION FILENAME

DOMESTIC COLD WATER P15411.001

P15411.002

DOMESTIC HOT WATER P15411.003

P15411.004

DOMESTIC HOT WATER RETURN P15411.005

P15411.006

SANITARY WASTE P15420.001

(6)

P

IPING

S

YMBOLS

T

ABLE

2-1 L

INECODES

continued

ACID VENT _P15420.003

STORM DRAIN P15420.004

COMPRESSED AIR

WITH DETAIL INFORMATION

(EXAMPLES: PLANT, DRY, PURE, ETC.) P15481.001

VACUUM SERVICE P15481.002

FUEL OIL WITH DETAIL INFORMATION

(EXAMPLES: SUPPLY, RETURN, FILL, VENT) P15484.001

(7)

P

IPING

S

YMBOLS

T

ABLE

2-1 L

INECODES

continued

HOT WATER SUPPLY (HEATING) P15512.001

HOT WATER RETURN (HEATING) P15512.002

CHILLED WATER SUPPLY P15512.003

CHILLED WATER RETURN P15512.004

DRAIN P15512.005

DUAL TEMPERATURE SUPPLY

( HOT OR CHILLED WATER ) P15512.006

DUAL TEMPERATURE RETURN

(8)

P

IPING

S

YMBOLS

T

ABLE

2-1 L

INECODES

continued

GLYCOL SUPPLY P15512.008

GLYCOL RETURN P15512.009

CONDENSER WATER SUPPLY P15512.010

CONDENSER WATER RETURN P15512.011

COOLING TOWER WATER SUPPLY P15512.012

COOLING TOWER WATER RETURN P15512.013

HEAT PUMP WATER SUPPLY P15512.014

HEAT PUMP WATER RETURN P15512.015

(9)

P

IPING

S

YMBOLS

T

ABLE

2-1 L

INECODES

continued

STEAM WITH PRESSURE INDICATED

(kPa OR PSIG) P15520.001

HIGH PRESSURE STEAM P15520.002

MEDIUM PRESSURE STEAM P15520.003

LOW PRESSURE STEAM P15520.004

CLEAN MEDIUM PRESSURE STEAM P15520.005

CLEAN LOW PRESSURE STEAM P15520.006

HIGH PRESSURE STEAM CONDENSATE P15520.007

MEDIUM PRESSURE STEAM CONDENSATE P15520.008

(10)

P

IPING

S

YMBOLS

T

ABLE

2-1 L

INECODES

concluded

PUMPED CONDENSATE P15520.010

BOILER BLOW DOWN _P15520.011

BOILER FEED WATER P15520.012

REFRIGERANT DISCHARGE (HOT GAS) P15535.001

REFRIGERANT SUCTION P15535.002

REFRIGERANT LIQUID P15535.003

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ANSI/ASHRAE STANDARD 134-2005 51

-P

IPING

S

YMBOLS

T

ABLE

2-3 V

ALVES

GATE VALVE P15100.001

BALL VALVE P15100.002

BUTTERFLY VALVE P15100.003

GLOBE VALVE P15100.004

ANGLE (GLOBE) VALVE P15100.005

PLUG VALVE P15100.006

PINCH VALVE P15100.007

THREE-WAY VALVE P15100.008

(12)

P

IPING

S

YMBOLS

T

ABLE

2-3 V

ALVES

continued

SHUTOFF COCK P15100.010

CHECK VALVE _P15100.011

CHECK VALVE, SPRING LOADED P15100.012

MULTI-PURPOSE VALVE

(SHUTOFF, BALANCING AND CHECK) P15100.013

ANGLE MULTI-PURPOSE VALVE

(SHUTOFF, BALANCING AND CHECK) P15100.014

ANGLE STOP AND CHECK VALVE P15100.015

FLOW MEASURING AND BALANCING

VALVE P15100.016

DIFFERENTIAL PRESSURE-REDUCING

REGULATOR P15100.017

(13)

-P

IPING

S

YMBOLS

T

ABLE

2-3 V

ALVES

continued

PRESSURE REGULATOR P15100.019

SAFETY OR RELIEF VALVE _P15100.020

FOOT VALVE P15100.021

QUICK OPENING VALVE

(USED FOR BLOW DOWN) P15100.022

QUICK CLOSING VALVE P15100.023

HOSE BIBB VALVE P15100.024

GLOBE VALVE, ACTUATOR WITH

CAPILLARY TUBE AND BULB P15100.025

REFRIGERANT THERMOSTATIC EXPANSION

VALVE P15100.026

(14)

P

IPING

S

YMBOLS

T

ABLE

2-3 V

ALVES

continued

REFRIGERANT LIQUID DRAIN VALVE P15100.028

GENERAL SYMBOL FOR SPECIAL VALVES P15100.029

SPECIAL VALVE WITH TAG NUMBER _P15100.030

REDUCED PRESSURE ZONE

BACKFLOW PREVENTER P15100.031

DOUBLE CHECK BACKFLOW PREVENTER P15100.032

VACUUM BREAKER P15100.033

FLOW REGULATOR & FLOW LIMITING

VALVE P15100.034

INVERTED BUCKET STEAM TRAP P15100.035

(15)

-P

IPING

S

YMBOLS

T

ABLE

2-3 V

ALVES

concluded

THERMODYNAMIC (DISK) STEAM TRAP P15100.038

VARIABLE ORIFICE (PISTON) STEAM TRAP _P15100.039

SIGHT GLASS, FLOW P15100.040

(16)

C

ONTROL

S

YMBOLS

T

ABLE

3-1 T

HERMOSTATS &

C

ONTROLLERS

SYMBOL DEFINITION AND

BASIC CONSTRUCTION

THERMOSTAT, WALL MOUNTED C15970.001

THERMOSTAT, DUCT MOUNTED,

AVERAGING C15970.002

THERMOSTAT, REMOTE BULB C15970.003

THERMOSTAT, REMOTE BULB IN WELL C15970.004

THERMOSTAT, DUCT MOUNTED,

LOW LIMIT, MANUALLY RESET C15970.005

THERMOSTAT, HIGH LIMIT

(FIRE PROTECTION), MANUALLY RESET C15970.006

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C

ONTROL

S

YMBOLS

T

ABLE

3-1 T

HERMOSTATS &

C

ONTROLLERS

continued

THERMOSTAT, DEW POINT C15970.009

PIPE THERMOSTAT, WELL MOUNTED C15970.010

PIPE THERMOSTAT, STRAP-ON (SURFACE) C15970.011

CONTROLLER, HUMIDITY, WALL MOUNTED C15970.012

CONTROLLER, HUMIDITY, DUCT MOUNTED C15970.013

CONTROLLER, TEMPERATURE & HUMIDITY C15970.014

CONTROLLER, ENTHALPY C15970.015

CONTROLLER, LEVEL C15970.016

CONTROLLER, SILICON CONTROLLED

(18)

C

ONTROL

S

YMBOLS

T

ABLE

3-1 T

HERMOSTATS &

C

ONTROLLERS

continued

CONTROLLER, ADJUSTABLE (VARIABLE)

SPEED DRIVE C15970.018

CONTROLLER, 3 TO 5 POINTS, WHERE B: BRANCH OUTPUT

M: MAIN POWER

I: PRIMARY INPUT

R: RESET INPUT (OPTIONAL)

C: CONTROL POINT ADJUST (OPTIONAL) (X) DA: DIRECT ACTING, OR

RA: REVERSE ACTING

(Y) P: PROPORTIONAL CONTROL, PI: P + INTEGRAL CONTROL, OR PID: P + I + DERIVATIVE CONTROL EXAMPLE 1:

DA: DIRECT ACTING

P: PROPORTIONAL CONTROL

EXAMPLE 2:

RA: REVERSE ACTING

PI: PROPORTIONAL + INTEGRAL CONTROL

C15970.019

CONTROLLER, PRESSURE C15970.020

CONTROLLER, DIFFERENTIAL PRESSURE C15970.021

(19)

C

ONTROL

S

YMBOLS

T

ABLE

3-1 T

HERMOSTATS &

C

ONTROLLERS

concluded

CONTROLLER, WHERE ACRONYM

DENOTES CONTROLLED GAS, SUCH AS “CO”

FOR CARBON MONOXIDE AND “CO2” FOR

CARBON DIOXIDE.

C15970.023

CONTROL PANEL C15970.024

MICROPROCESSOR CONTROL PANEL C15970.025

UNIT (PACKAGED UNITS, TERMINAL

BOXES) CONTROL MODULE C15970.026

CONTROLLER, DUAL FUNCTION AND/OR

(20)

C

ONTROL

S

YMBOLS

T

ABLE

3-2 S

ENSORS &

T

RANSMITTERS

SYMBOL

SENSOR OR TRANSMITTER

TEMPERATURE SENSOR OR TRANSMITTER,

WALL MOUNTED C15972.001

POINT SENSING C15972.002

AVERAGING, DUCT MOUNTED C15972.003

TEMPERATURE SENSOR OR TRANSMITTER C15972.004

WET-BULB TEMPERATURE SENSOR OR

TRANSMITTER C15972.005

DEW-POINT TEMPERATURE SENSOR OR

CARBON MONOXIDE SENSOR OR

CARBON DIOXIDE SENSOR OR

(21)

C

ONTROL

S

YMBOLS

T

ABLE

3-2 S

ENSORS &

T

RANSMITTERS

continued

REFRIGERANT GAS SENSOR OR

PIPE TEMPERATURE SENSOR OR

TRANSMITTER, WELL MOUNTED C15972.011

HUMIDITY SENSOR OR TRANSMITTER,

DUCT MOUNTED C15972.012

HUMIDITY SENSOR OR TRANSMITTER,

WALL MOUNTED C15972.013

PRESSURE SENSOR OR TRANSMITTER C15972.014

DIFFERENTIAL PRESSURE SENSOR OR

LEVEL SENSOR OR TRANSMITTER C15972.016

AMPERAGE SENSOR, CURRENT

(22)

C

ONTROL

S

YMBOLS

T

ABLE

3-2 S

ENSORS &

T

RANSMITTERS

concluded

KILOWATT TRANSDUCER C15972.019

(23)

C

ONTROL

S

YMBOLS

T

ABLE

3-3 A

CTUATORS

PNEUMATIC DIAPHRAGM, SPRING OPPOSED C15974.001

PNEUMATIC DIAPHRAGM,

SPRING OPPOSED, WITH POSITIONER C15974.002

PNEUMATIC CYLINDER _C15974.003

PNEUMATIC CYLINDER WITH POSITIONER C15974.004

ELECTRIC MOTOR C15974.005

ELECTROHYDRAULIC _C15974.006

(24)

C

ONTROL

S

YMBOLS

T

ABLE

3-4 A

UXILIARY

D

EVICES

ELECTRIC-PNEUMATIC TRANSDUCER C15960.001

MANUAL OR SETPOINT ADJUSTMENT

SWITCH (ANALOG) C15960.002

MINIMUM POSITION SWITCH C15960.003

TWO POSITION SWITCH (OPEN-CLOSED) C15960.004

SINGLE POLE-DOUBLE THROW SWITCH C15960.005

THREE POSITION SWITCH C15960.006

HAND OFF AUTO SWITCH C15960.007

INTERVAL TIMER SWITCH

(OVERRIDE OR TEMPORARY OPERATION) C15960.008

(25)

C

ONTROL

S

YMBOLS

T

ABLE

3-4 A

UXILIARY

D

EVICES

continued

SMOKE DETECTOR C15960.011

SMOKE DETECTOR, DUCT MOUNTED C15960.012

TIME DELAY RELAY (X) DELAY IN SECONDS (Y) (B): DELAY ON BREAK

(M): DELAY ON MAKE EXAMPLE 1:

10 SECOND DELAY (B): DELAY ON BREAK EXAMPLE 2:

0 TO 60 SECOND DELAY RANGE (M): DELAY ON MAKE

C15960.013

RELAY, WHERE (X) DENOTES ACTION: NO: SINGLE POLE, NORMALLY OPEN NC: SINGLE POLE, NORMALLY

CLOSED

DT: SINGLE POLE, DOUBLE THROW DPNO: DOUBLE POLE, NORMALLY OPEN DPNC: DOUBLE POLE, NORMALLY CLOSED DPDT: DOUBLE POLE, DOUBLE THROW

EXAMPLE 1:

NO: SINGLE POLE, NORMALLY OPEN

EXAMPLE 2:

DPDT: DOUBLE POLE, DOUBLE THROW

(26)

C

ONTROL

S

YMBOLS

T

ABLE

3-4 A

UXILIARY

D

EVICES

continued

VOLTAGE TRANSFORMER, STEP-DOWN C15960.015

TIME CLOCK C15960.016

DUAL CHANNEL TIME CLOCK C15960.017

REPEATER, COMMUNICATIONS C15960.018

TELEPHONE OUTLET C15960.019

TELEPHONE MODEM C15960.020

FIBER OPTIC TO CABLE MODEM C15960.021

PULSE-WIDTH MODULATION DRIVER C15960.022

(27)

C

ONTROL

S

YMBOLS

T

ABLE

3-4 A

UXILIARY

D

EVICES

concluded

MOTOR STARTER, MANUAL C15960.024

MOTOR STARTER, MAGNETIC

ACROSS-THE-LINE WITH DISCONNECT SWITCH C15960.025

MOTOR STARTER,

MAGNETIC ACROSS-THE-LINE C15960.026

DISCONNECT SWITCH C15960.027

DISCONNECT SWITCH, FUSED C15960.028

CONTACTOR, THREE POLE C15960.029

MOMENTARY PUSH BUTTON C15960.030

MAINTAINED CONTACT PUSH BUTTON C15960.031

(28)

C

ONTROL

S

YMBOLS

T

ABLE

3-5 A

CCESSORIES

PRESSURE INDICATOR C15964.001

AIR COMPRESSOR C15964.002

AIR DRYER C15964.003

MOISTURE TRAP C15964.004

(29)

C

ONTROL

S

YMBOLS

T

ABLE

3-6 L

INES

PNEUMATIC, INSTRUMENT SUPPLY C15986.001

PNEUMATIC CONTROL

(OPTIONAL: SLASHES DENOTE

NUMBER OF TUBES) C15986.002

ELECTRIC

(OPTIONAL: SLASHES DENOTE

NUMBER OF CONDUCTORS) C15986.003

MAIN AIR

(PRESSURE LEVEL MAY BE ADDED

AS NOTED [ kPa (PSIG) ]) C15986.004

SOURCE AIR

EP (ELECTRIC PNEUMATIC) AIR

(MAIN AIR SWITCHED BY AN ELECTRIC

PNEUMATIC RELAY) C15986.006

DAY-NIGHT AIR

(AIR THAT VARIES BETWEEN DAY AND

NIGHT CYCLES) C15986.007

SUMMER-WINTER AIR

(AIR THAT VARIES BETWEEN SUMMER AND

WINTER CYCLES) C15986.008

INSTRUMENT AIR

PLANT AIR

(30)

E

QUIPMENT

S

YMBOLS

T

ABLE

4

PUMP E15540.001

CHILLER E15680.001

COOLING TOWER E15710.001

HEAT EXCHANGER, SHELL & TUBE E15755.001

HEAT EXCHANGER, PLATE E15755.002

COOLING COIL E15790.001

HEATING COIL E15790.002

ELECTRIC COIL E15790.003

(31)

E

QUIPMENT

S

YMBOLS

T

ABLE

4

continued

UNIT HEATER E15830.001

CENTRIFUGAL FAN E15860.001

CENTRIFUGAL FAN

WITH VARIABLE INLET VANES E15860.002

VANEAXIAL FAN E15865.001

VANEAXIAL FAN, VARIABLE PITCH E15865.002

PROPELLER FAN E15865.003

FILTER E15885.001

AIRFLOW STATION E15910.101

AIRFLOW STATION

(32)

E

QUIPMENT

S

YMBOLS

T

ABLE

4

concluded

DAMPER, OPPOSED BLADE E15910.103

DAMPER, PARALLEL BLADE E15910.104

LOUVER E15910.105

ROOF VENTILATOR, INTAKE E15910.106

ROOF VENTILATOR, EXHAUST E15910.107

RADIANT PANEL, HEATING OR COOLING E15910.108

FINNED TUBE RADIATION E15910.109

EQUIPMENT NAME EXAMPLES:

BOILER . . . WSHP (WATER SOURCE HEAT PUMP) . . .

E15560.001 E15855.001

Symbols - Std 134

ASHRAE STANDARD

ASHRAE STANDARD

American Society of Heating, Refrigerating

and Air-Conditioning Engineers, Inc.

1791 Tullie Circle NE, Atlanta, GA 30329

www.ashrae.org

Graphic Symbols for

Heating, Ventilating,

Air-Conditioning, and

Refrigerating Systems

ANSI/ASHRAE Standard 134-2005

CONTENTS

ANSI/ASHRAE Standard 134-2005

Graphic Symbols for Heating, Ventilating, Air-Conditioning, and Refrigerating Systems

P

IPING

S

YMBOLS

T

ABLE

2-1 L

INECODES

P

IPING

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YMBOLS

T

ABLE

2-1 L

INECODES

P

IPING

S

YMBOLS

T

ABLE

2-1 L

INECODES

P

IPING

S

YMBOLS

T

ABLE

2-1 L

INECODES

P

IPING

S

YMBOLS

T

ABLE

2-1 L

INECODES

P

IPING

S

YMBOLS

T

ABLE

2-1 L

INECODES

P

IPING

S

YMBOLS

T

ABLE

2-1 L

INECODES

P

IPING

S

YMBOLS

T

ABLE

2-1 L

INECODES

-P