AirCom TC8 Istruzioni per l'installazione e il funzionamento

Installation, Operation, and Maintenance

Information:

Temperature Sensor Assemblies with Connection

Head Enclosures

Model Series Thermocouples, RTDs, and Thermowells:

TC8, TC9, TC10, TC11, TC14, TC15, TC16, TC17, RT6, RT7, RT9, RT11, RT14, RT15, RT16, RT17, SM2,

SM4, HT2, HT3, WPT, MG1, MG2, MG3, S22, S24, S26, S32, S34, SL22, SL24, SL26, SL32, SL34,

TW52, TW72, SW22, SW24, SW26, SW32, SW34, WF22, WF24, WF26, WF32, WF34, B24, BL24, F22,

F24, F26, F32, F34, FS22, and VST

Aircom Instrumentation Ltd. – Main Office & Factory

Address:9328 - 37th Avenue

Edmonton, Alberta, Canada

T6E 5K3

Phone: 780-434-6916

Fax: 780-434-6911

Email: sales@aircominstrumentation.com

Website: www.aircominstrumentation.com

This document and the information in it are provided in confidence, for the sole purpose of installation, operation, and

maintenance instruction, and may not be duplicated, distributed, or disclosed to any third party or used for any other

purpose without the express written permission of Aircom Instrumentation Ltd.

Aircom Instrumentation Ltd. technologies are subject to patents and patent applications in various jurisdictions.

Copywrite © by Aircom Instrumentation Ltd. 2021

File: Aircom-CSA-Temperature-Sensor-Assembly-Installation-

Operation-Maintenance-r1

Aircom Instrumentation Ltd.

9328 - 37 Avenue NW, Edmonton,

Alberta, Canada, T6E 5K3

ph. (780) 434-6916

Sales@AircomInstrumentation.com

www.AircomInstrumentation.com

Contents

Table of Contents

1 Intended Use and Scope ....................................................................................................................... 1

2 Important Notices and Warnings.......................................................................................................... 1

2.1 Selection........................................................................................................................................ 1

2.2 Notices .......................................................................................................................................... 1

2.3 Safety Warnings ............................................................................................................................ 1

2.4 Definitions, Terms, Abbreviation, and Units................................................................................. 2

3 Assemblies Information and Specifications .......................................................................................... 4

3.1 Sizes and Models........................................................................................................................... 5

3.2 Equipment Ratings ........................................................................................................................ 7

3.3 CSA Canada and US Certifications............................................................................................... 11

4 Personnel Qualifications .....................................................................................................................11

5 Shipping, Handling, Storage, and Disposal.......................................................................................... 11

6 Installation .......................................................................................................................................... 12

6.1 Preparations................................................................................................................................12

6.2 Installation .................................................................................................................................. 13

6.2.1 Installation of Threaded Process Connections....................................................................14

6.2.2 Installation of Flanged Process Connections ......................................................................16

6.2.3 Installation of Welded Process Connections ...................................................................... 17

6.2.4 Installation of Temperature Sensor Assembly Without a Thermowell .............................. 18

6.2.5 Surface Mounts...................................................................................................................19

6.2.6 Installation of Wiring (Cable, Conduit, and Connections)................................................... 26

6.3 Pre-Commissioning .....................................................................................................................28

6.4 Commissioning............................................................................................................................ 28

6.5 Normal Operation ....................................................................................................................... 28

6.6 Start-Up, and Shut Down ............................................................................................................ 29

6.7 Emergency Shut Down................................................................................................................ 29

6.8 Inspection, Maintenance, Cleaning, Replacement, and Re-Use.................................................29

6.8.1 Accessories and Spare Parts................................................................................................ 30

6.9 Contact Information and Technical Assistance........................................................................... 30

6.10 Troubleshooting..........................................................................................................................31

6.10.1 General................................................................................................................................31

File: Aircom-CSA-Temperature-Sensor-Assembly-Installation-

Operation-Maintenance-r1

Aircom Instrumentation Ltd.

9328 - 37 Avenue NW, Edmonton,

Alberta, Canada, T6E 5K3

ph. (780) 434-6916

Sales@AircomInstrumentation.com

www.AircomInstrumentation.com

Contents

6.11 Returns........................................................................................................................................35

7 Appendices............................................................................................................................................. I

7.1 Appendix I: Catalogue Information............................................................................................... II

7.2 Appendix II: Datasheets ............................................................................................................... III

7.3 Appendix III: Drawings .................................................................................................................IV

7.4 Appendix IV: Transmitter Documents...........................................................................................V

7.5 Appendix V: Certificates...............................................................................................................VI

7.6 Appendix VI: Manufacturer’s Record Book.................................................................................VII

7.7 Appendix VII: Quick Reference Information and Weblinks .......................................................VIII

7.7.1 RTD Technical Information.................................................................................................VIII

7.7.2 Thermocouple Technical Information................................................................................VIII

7.8 Area Classification Reference Information ..................................................................................IX

List of Figures

Figure 1: Components of a temperature sensor assembly with a thermowell. ........................................... 6

Figure 2: Temperature sensor assembly with a welded fixed fitting probe (Style F)................................... 7

Figure 3: Acceptable thermowell orientations per ASME PTC 19.3 TW. .................................................... 13

Figure 4: Threaded temperature sensor assembly.....................................................................................15

Figure 5: Flanged temperature sensor assembly........................................................................................ 16

Figure 6: Welded temperature sensor assembly........................................................................................17

Figure 7: Temperature sensor assemblies without thermowells. ..............................................................18

Figure 8: Typical surface mount styles........................................................................................................ 19

Figure 9: Heat trace assembly..................................................................................................................... 20

Figure 10: Pipe shoe riser assembly............................................................................................................21

Figure 11: Surface pad assembly. ...............................................................................................................22

Figure 12: Weld pad assembly. ...................................................................................................................23

Figure 13: Magnet assembly.......................................................................................................................24

Figure 14: Washer assembly. ......................................................................................................................25

Figure 15: RTD wiring diagrams. .................................................................................................................27

Figure 16: Thermocouple wiring diagrams. ................................................................................................ 28

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iii

Aircom Instrumentation Ltd.

9328 - 37 Avenue NW, Edmonton,

Alberta, Canada, T6E 5K3

ph. (780) 434-6916

Sales@AircomInstrumentation.com

www.AircomInstrumentation.com

Contents

List of Tables

Table 1: Definitions and terms...................................................................................................................... 2

Table 2: Abbreviations. ................................................................................................................................. 3

Table 3: Units used in document. ................................................................................................................. 4

Table 4: Typical component sizes. ................................................................................................................ 5

Table 5: Temperature sensor assemblies supply, I/O connections, and operating environmental

conditions...................................................................................................................................................... 8

Table 6: Temperature code ratings based on ambient and process conditions limits................................. 8

Table 7: CSA maximum ambient working pressure. ..................................................................................... 8

Table 8: Typical component material options. ............................................................................................. 9

Table 9: CSA certifications. .........................................................................................................................11

Table 10: Temperature sensor troubleshooting potential causes and solutions. ...................................... 32

Table 11: CSA temperature classification (T-Code) maximum surface temperatures. ...............................IX

Table 12: Aircom CSA division and zone equivalents. .................................................................................IX

Revision Table

Revision

Date (YYYY-MM-DD)

2021-06-02

BSG

File: Aircom-CSA-Temperature-Sensor-Assembly-Installation-

Operation-Maintenance-r1

Aircom Instrumentation Ltd.

9328 - 37 Avenue NW, Edmonton,

Alberta, Canada, T6E 5K3

ph. (780) 434-6916

Sales@AircomInstrumentation.com

www.AircomInstrumentation.com

Temperature Sensor Assembly IOM

1Intended Use and Scope

The temperature sensor assembly devices in this document are used for the collection of industrial

temperature measurements. The signals may or may not be converted during transmission from the

sensor element to the acquisition system. Aircom is not liable for damages caused by improper use or

misapplication of these devices.

This document and any supplemental documents provided by Aircom are intended to help the end-user

with their temperature sensor assemblies. This document does not cover all aspects of the use of

temperature sensor assemblies, it gives a general overview of common practices. Included in this

document is information on safety warnings, important notices, installation, pre-commissioning,

commissioning, operation, and maintenance, as well as links to other relevant information. This

document covers both Resistance Temperature Detector (RTD) and thermocouple assemblies with and

without thermowells.

2Important Notices and Warnings

Ensure all installation, operation, and maintenance information, safety warnings and notices are

reviewed before using these temperature sensor assemblies.

2.1 Selection

Before using these temperature sensor assemblies, it is important to ensure that the correct assembly

was selected for the specific application, that the assembly was correctly installed, and is correctly

operated and maintained. The following information will help as guidelines to ensuring expected

temperature sensor assembly performance.

2.2 Notices

The following information provided in this document is based on common practice in industry for

specific conditions. This information does not cover all scenarios and applications and Aircom does not

guarantee this information will lead to the desired results and assumes no liability for the resulting

outcomes. Aircom’s personnel are available to help with temperature sensor assembly selection for

various applications, however, the end-user is ultimately responsible for ensuring the suitability of the

products being used and how they are used in their specific applications. Aircom is not responsible for

any damages caused due to non-conformance with the information provided in this document, or the

improper use of the devices in this document.

2.3 Safety Warnings

The devices in this document may be connected to sources that are pressurized, electrified, and may

contain hazardous mediums, products, fluids, atmospheres, or materials that may be at harmful levels.

Ensure that all personnel involved in the installation, operation, and maintenance of these devices take

care when around these devices, while handling them, and use appropriate protection for the task being

performed. Follow all safety instructions, be aware of the dangers, and heed all warnings in this

File: Aircom-CSA-Temperature-Sensor-Assembly-Installation-

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Aircom Instrumentation Ltd.

9328 - 37 Avenue NW, Edmonton,

Alberta, Canada, T6E 5K3

ph. (780) 434-6916

Sales@AircomInstrumentation.com

www.AircomInstrumentation.com

Temperature Sensor Assembly IOM

document and according to the local jurisdiction and site requirements. Do not install damaged devices,

and ensure all damaged devices are properly tagged/labeled as defective and are taken out of service.

2.4 Definitions, Terms, Abbreviation, and Units

The following are the definitions, terms, and abbreviation used specifically in this document and are

based on general industry terminology.

Table 1: Definitions and terms.

Definition/Term

Description

󱛻󱛼󱛽DANGER:

Means if the danger is not avoided, it will cause death or serious injury.

󱛻󱛼󱛽WARNING:

Means if the warning is not heeded, it can cause death or serious injury.

󱛻󱛼󱛽CAUTION:

Means if the precaution is not taken, it may cause minor or moderate injury.

NOTICE:

Important information that can affect the functionality of the system.

Types of Hazards:

󰌏󰌐

Electric Hazard

- Explosive Hazard

- Fire Hazard

Conduit Connection:

This is the field wiring entry point on the head. Theses are typically threaded

connections on the connection head enclosure that connect to the

conduits/conduit fittings, or field wiring/cable.

Connection Head

Enclosure,

Connection Head, or

Head:

This is the enclosure where the lead wires and sensor wires are

connected/terminated (e.g., to a terminal block, wire splices, DIN rail

connectors, or transmitter, etc.).

Head Connection:

This is the sensor entry point on the head. These are typically a threaded

connection on the connection head enclosure that connects to the connection

extension fittings between the connection head and the process instrument

connection (e.g., thermowell, fixed fitting probe, etc.).

Connection

Extension:

This is where the sensor passes from the head to the process connection.

These are the threaded fittings that connect the connection head enclosure to

the process instrument connection (e.g., nipple-union-nipple, nipple, etc.).

Process Instrument

Connection:

This is where the sensor enters the process directly, or the process

connection. This is typically a threaded connection connecting the connection

extension to the process connection.

Process Connection:

This is where the sensor or thermowell is connected directly to the process

and is in contact with the medium. This connection varies and typically is

threaded, flanged, or welded (in some cases it may be clamped, or use other

special connection methods).

Nozzle:

General term for different types of process connections that the thermowell

or fixed fitting probe will be connected to (e.g., flange, coupling, threadolet,

sockolet, etc.).

Medium:

Any substance used in the process (e.g., fluids (liquids/gases), bulk solids,

etc.).

Aircom:

Aircom Instrumentation Ltd.

T-Code:

Temperature Code.

DIN Rail Connector:

Rail mounted wire connection tension clamp

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Aircom Instrumentation Ltd.

9328 - 37 Avenue NW, Edmonton,

Alberta, Canada, T6E 5K3

ph. (780) 434-6916

Sales@AircomInstrumentation.com

www.AircomInstrumentation.com

Temperature Sensor Assembly IOM

Definition/Term

Description

CSA B51:

CSA B51 Boiler, pressure vessel, and pressure piping code

ASME B1.20.1:

ASME B1.20.1 Pipe Threads, General Purpose (Inch)

ASME B16.5:

ASME B16.5 Pipe Flanges and Flanged Fittings NPS ½ Through NPS 24

Metric/Inch Standard

ASME B16.11:

ASME B16.11 Forged Fittings, Socket-Welding and Threaded

ASME PCC-1:

ASME PCC-1 Guidelines for Pressure Boundary Bolted Flange Joint Assembly

ASME PTC 19.3:

ASME PTC 19.3 Part 3 Temperature Measurement Instruments and Apparatus

Supplement to ASME Performance Test Codes

ASME PTC 19.3 TW:

ASME PTC 19.3 TW Thermowells Performance Test Codes

ASME B31.1:

ASME B31.1 Power Piping ASME Code for Pressure Piping, B31

ASME B31.3:

ASME B31.3 Process Piping ASME Code for Pressure Piping, B31

ASME VIII-1:

ASME Boiler and Pressure Vessel Code, Section VIII, Division 1, Rules for

Construction of Pressure Vessels

e.g.:

exempli gratia (“for example”)

etc.:

et cetera (“and the rest”)

Table 2: Abbreviations.

Abbreviation

Description

IOM:

Installation, Operation, and Maintenance

MRB:

Manufacturer’s Record Book (Databook)

MTR:

Material Test Report (Mill Test Report/Certificate)

ITP:

Inspection Test Plan

PWHT:

Post Weld Heat Treatment

NDE:

Non-Destructive Examination

CSA:

Canadian Standards Association

CEC:

Canadian Electrical Code

NEC:

National Electrical Code (US)

SELV:

Safety Extra-Low Voltage

RTD:

Resistance Temperature Detector

MI:

Mineral Insulated (Cable)

NI:

Non-Incendive (e.g., Field Wiring)

NPS:

Nominal Pipe Size

NPT:

National (American Standard) Pipe Taper (Thread)

NPTF:

National (American Standard) Pipe Taper Fuel (Thread)

BSP:

British Standard Pipe (Thread)

BSPP:

British Standard Parallel Pipe (Thread)

BSPT:

British Standard Pipe Taper (Thread)

UN:

Unified National (Thread)

UNF:

Unified National Fine (Thread)

PTFE:

Polytetrafluoroethylene (e.g., Teflon ™)

PVC:

Polyvinyl Chloride

AWG:

American Wire Gauge

ASME:

American Society of Mechanical Engineers

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Aircom Instrumentation Ltd.

9328 - 37 Avenue NW, Edmonton,

Alberta, Canada, T6E 5K3

ph. (780) 434-6916

Sales@AircomInstrumentation.com

www.AircomInstrumentation.com

Temperature Sensor Assembly IOM

Abbreviation

Description

PTC:

Performance Test Code

TW:

Thermowell

DIN:

Deutsches Institut fur Normung (German Institute for Standardization)

EN:

European Standard

SI:

Le Système International d'Unités (The International System of Units)

EMI:

Electromagnetic Interference

RFI:

Radio Frequency Interference

I/O:

Input/Output

RH:

Relative Humidity

N/A:

Not Applicable

US:

United States of America (also USA)

Table 3: Units used in document.

Document Unit Type

Metric

Imperial

Pressure

kPa (kilopascal)

1 kPa = 1 x 10

psi (pounds-force per square inch)

[lbf/in²]

Temperature

°C (degree Celsius)

0°C = +273.15 K

°F (degree Fahrenheit)

+32°F = +491.67°R

Voltage

Vdc (volts direct current)

Current

A (ampere) / mA (milliampere)

Distance | Length m (meter) / mm (millimeter)

′ (foot) / ″(inch)

[ft] / [in]

3Assemblies Information and Specifications

Aircom’s temperature sensor assemblies are built to measure temperatures in a variety of applications

including industrial processes with CSA hazardous location approvals on various models in Canada and

the US. Aircom temperature sensor assemblies consist of a sensor element (RTD, or Thermocouple), a

connection head enclosure, a terminal block, or optional wire splice connectors, DIN rail connectors or a

transmitter, connection extension fitting(s), and a thermowell or fixed fitting probe. There are options to

have the sheath as spring-loaded or fixed. These assemblies should be shipped, handled, and stored

with care to avoid damage that could affect their functionality. Temperature sensor assembly design,

selection, and construction should take the following factors into considerations which include but are

not limited to construction, response time, tolerance (accuracy/precision), immersion length,

temperature (minimum/maximum), pressure (minimum/maximum), compatibility (physical and

chemical), applied forces (fluid flow, cycling, etc.), vibration, and thermal effects (ambient temperature,

low/high-temperatures, thermal equilibrium, thermal cycling, passive/forced heating/cooling,

intermediate temperature material property changes, etc.).

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Operation-Maintenance-r1

Aircom Instrumentation Ltd.

9328 - 37 Avenue NW, Edmonton,

Alberta, Canada, T6E 5K3

ph. (780) 434-6916

Sales@AircomInstrumentation.com

www.AircomInstrumentation.com

Temperature Sensor Assembly IOM

3.1 Sizes and Models

The typical sizes of the temperature sensor assembly components are as follows; other sizes are

available when requested.

Table 4: Typical component sizes.

Component

Size Ranges

Connection Head Enclosure Nozzles

NPT Thread: ½”, ¾”, 1”, 1-¼”, 1-½”, 2”

(Reducer bushings also available)

Terminal Blocks, Wire Splice Connectors,

and DIN Rail Connectors

Number of Terminals/Connections: up to 8

Connection Extension Fittings (Conduit,

Nipples, Unions, Bushings, etc.)

NPT Thread: ½” (typically)

Length: 0.00 mm to 6.1 m (0.0” to 241.5”)

Sensor Probe Sheaths

Outer Diameter: 1.6 mm to 12.7 mm (

1/16

” to ½”)

Length: 6.35 mm to 12.192 m (¼” to 480”)

Minimum Wall Thickness: 0.10 mm (0.004”)

Lead Wires

Diameter: 8 AWG to 30 AWG

Threaded & Flanged Thermowells

Length: 50.8 mm to 4.3 m (2.00” to 169.75”)

NPT Thread: ⅛” to 2”

Minimum Tip Thickness: 6.4 mm (¼”)

Minimum Wall Thickness: 3.0 mm (0.12”)

*Flange Class: 150# to 2,500#

NPS Flanges: ≥1” (typically 1” to 10”)

(Reducing flanges also available)

Fixed Fitting Probes

NPT Thread: ½” (typically)

Probe Outer Diameter: 1.6 mm to 12.7 mm (” to ½”)

Probe Length: 6.35 mm to 12.192 m (¼” to 480”)

**Flex-Armour Sheath (Flex-Cable)

Probes

NPT Thread: ½”, ¾”

Outer Diameter: 3.2 mm to 9.5 mm (⅛” to ⅜”)

Probe Outer Diameter: 1.6 mm to 12.7 mm (1/16” to ½”)

Probe Length: 6.35 mm to 12.192 m (¼” to 480”)

Flex-Cable Length: 25.4 mm to 6.1 m (1” to 241.5”)

Notes: These are the common sizes of components if other sizes are required contact Aircom (“Contact Information and

Technical Assistance”).

*Various styles of flanges are available (some styles include ported flanges, raised faced flanges, high-hub flanges, etc.).

**Can be provided with or without a polyurethane, Teflon, or polyvinyl chloride (PVC) coating.

Refer to the catalogue pages for the configuration and technical specifications of the temperature

sensor assemblies. The following information in this document is general to all temperature sensor

assemblies unless otherwise specified. Customizations and alternate options for most components are

available upon request including but not limited to connection head enclosures, transmitters, extension

connections, and thermowells.

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