GasTech F-Guard-IR3-H2 User manual

USER MANUAL

Triple IR Hydrogen Flame Detector

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t+61 8 6108 0000 einfo@gastech.com wgastech.com

Information

F-Guard-IR3-H2Triple IR H2Flame Detector User Guide.

The owner or authorized user of a valid copy of this manual may reproduce this publication for the

purpose of learning to use the specified equipment. No part of this publication may be reproduced or

transmitted for commercial purposes, such as selling copies of this publication or for providing paid for

support services.

The Gastech logo isa trademark of GASTECH AUSTRALIA PTY LTD,

registered in Australia and other countries.

Every effort has been made toensure that the information in this manual is accurate. However,

GASTECH AUSTRALIA PTY LTD is not responsible for any inaccuracy or omission in this document. The

information in this document is subject to change without notice.

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Hardware, software or documentation is forbidden to reproduced, transmitted, transcribed, stored in a

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While great efforts have been made to assure the accuracy andclarity of this document

GASTECH AUSTRALIA PTY LTD assumes noliability resulting fromanyomissions in this document, or

from misuse of the information obtained herein. The information in this document has been carefully

checked and is believed to be entirely reliable with all of the necessary information included.

GASTECH AUSTRALIA PTY LTD reserves the right to make changes to any products

described herein to improve reliability, function, or design, and reserves the right to revise this

document and make changes from time to time in content hereof with no obligation to notify any

persons of revisions or changes. GASTECH AUSTRALIA PTY LTD does not assume any

liability arising out of the application or any use of any product or circuit described herein; neither does

it convey license under its patent rights or the rights of others.

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F-Guard IR3-H2 User Manual

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Table of Contents

1. Introduction.................................................................................................................... 1

Features ..............................................................................................................................1

Model Number Description ..................................................................................................2

Internal tests .......................................................................................................................2

Product Overview ................................................................................................................3

Accessories..........................................................................................................................4

2. Installation ..................................................................................................................... 8

General Considerations ........................................................................................................8

Preparations for Installation...............................................................................................11

Required Tools...................................................................................................................11

Certification Instructions....................................................................................................11

Mounting the Tilt Mount....................................................................................................12

Mounting the detector.......................................................................................................14

Electrical Wiring.................................................................................................................15

Current Output (0-20mA) Wiring ........................................................................................17

4 Wire Relay Connection ....................................................................................................19

RS-485 Communication Network........................................................................................19

Cabling Recommendations.................................................................................................20

Earth/Ground Regime ........................................................................................................20

3. Configuration options ................................................................................................... 21

Sensitivity..........................................................................................................................23

Ultra-Fast Detection...........................................................................................................23

Alarm Delay.......................................................................................................................23

Alarm Latch .......................................................................................................................23

Enable Pre-Alarm 0-20mA ..................................................................................................23

Enable dirty window warning 0-20mA ................................................................................24

Auxiliary Relay ...................................................................................................................24

Window Heater .................................................................................................................24

Modbus Address................................................................................................................24

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Manual BIT – Alarm Output Test (Full Loop test).................................................................24

4. Operation ..................................................................................................................... 25

Output Signals ...................................................................................................................25

Testing...............................................................................................................................26

Flame Simulator.................................................................................................................26

5Maintenance ................................................................................................................ 26

Cleaning Procedure............................................................................................................26

6Troubleshooting............................................................................................................ 27

7Servicing ....................................................................................................................... 28

8Communicator Software ............................................................................................... 28

9Specifications................................................................................................................ 29

Fire Detection ....................................................................................................................29

Electrical Specifications ......................................................................................................29

Outputs .............................................................................................................................29

Mechanical Specifications ..................................................................................................30

Environmental Specifications .............................................................................................30

Product Labeling ................................................................................................................31

Approvals ..........................................................................................................................33

Electromagnetic Compatibility ...........................................................................................33

10 Performance.............................................................................................................. 34

F-Guard-IR3-H2-ASX1 (Standard Mode)...............................................................................34

False Alarm Immunity ........................................................................................................35

11 Ordering Information................................................................................................. 36

12 Warranty................................................................................................................... 37

Appendix A.......................................................................................................................... 38

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List of Figures

Figure 1 - Front view of the F-Guard-IR3-H2........................................................................................................3

Figure 2 - Rear view ofthe F-Guard-IR3-H2..........................................................................................................3

Figure 3 - Tilt mount .............................................................................................................................................4

Figure 4 - Weather COVER ....................................................................................................................................4

Figure 5 - Pole Mount ...........................................................................................................................................5

Figure 6 - AirShield............................................................................................................................................... 5

Figure 7 - Flame Simulator Kit............................................................................................................................... 6

Figure 8 - F-Guard-FSIM-IR3-H2 Flame Simulator Front View.............................................................................. 6

Figure 9 - Horizontal Field of View........................................................................................................................ 9

Figure 10- Vertical Field of View ..........................................................................................................................9

Figure 11: Tilt Mount Base - Front View ..............................................................................................................13

Figure 12: Tilt mount base – Side View................................................................................................................13

Figure 13- Detector onTilt Mount – Side View...................................................................................................14

Figure 14– Terminal View ...................................................................................................................................15

Figure 15– Source 4-Wire Scheme......................................................................................................................17

Figure 16– Sink 4-Wire Scheme ..........................................................................................................................17

Figure 17 – Source 3-Wire Scheme......................................................................................................................18

Figure 18– Sink 3-Wire Scheme ..........................................................................................................................18

Figure 19- 4Wire Relay Connection ...................................................................................................................19

Figure 20: RS-485 Networking .............................................................................................................................20

List of Tables

Table 1: Terminal connections............................................................................................................................16

Table 2: Detector Configuration Options............................................................................................................22

Table 3: Sensitivity levels ....................................................................................................................................23

Table 4: Output Signals .......................................................................................................................................25

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1. Introduction

The F-Guard-IR3-H2 flame detector will detect hydrogen and other “energy transition” fires quickly

allowing actions to be initiated to minimize the extend of the fire. The detector addresses slow growing

fires as well as fast eruptions of fire using improved IR3 technology. The detector operates in all weather

and light conditions.

These features, along with a built-in event logger, provide additional means to study the cause and

development of fire events.

The detector is certified for use in hazardous area locations; it may also be used in other areas not

classified as hazardous. The two cable/conduit entries either side of the lower part of the detector

housing are for connecting power and outputs to associated signaling equipment.

During normal operation, the flame detector performs self-tests of its optics, electronics, and software.

These include a periodic BIT (Built-In-Test) in which the sensors and window cleanliness are tested.

Features

•High sensitivity - up to 100ft (30m)

•Ultra-fast detection mode - detection within 40 milliseconds for fireballs or explosions.

•Detection of “energy transition” flames, like hydrogen, methane, syngas, and methanol

•Extreme sensitivity: Up to 100 ft. (30m) for a 32” plume, 1.5secs response

•Option: Improved speed of response for standard fires - (0.5s) for enclosed space protection, like spray

paint booths or printing presses

•Built-in-Test (BIT) - Automatic and manual self-test of window cleanliness and detector operation.

•Window heater to avoid condensation and icing.

•Tilt mounting bracket for accurate detector positioning.

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Model Number Description

Model No are defined as follows:

F-Guard-IR3-H2 - A SX X

Standard

Design for, but not limited to, automotive spray paint applications

where compliance with 0.5 s response (per NFPA 33) is needed.

Generally used for enclosed spare protection.

M25

¾” NPT

1.2.1 Enhanced performance options

Option 5: Design for, but not limited to, enclosed space protection like automotive spray paint applications

where compliance with 0.5 s response (per NFPA 33) is needed

Internal tests

During normal operation, the flame detector performs self-tests of its optics, electronics and software. These

include a periodic BIT (Built-In-Test) in which the sensors and window cleanliness are tested. Any detected

fault is indicated as shown in Table 4 (in section 4). During “Dirty Window” fault the detection sensitivity is

significantly reduced, while “Fault” refers to critical faults which totally prevent flame detection.

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Product Overview

FIGURE 1-FRONT VIEW OF THE F-GUARD-IR3-H2

FIGURE 2-REAR VIEW OF THE F-GUARD-IR3-H2

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Accessories

1.5.1 Mounting Bracket

The detector should be mounted using the

stainless-steel tilt mount part number 85-

6000-TMO. This allows the detector to be

securely attached to a wall, pole or other

solid surface using appropriate fixings. See

section2.5 and 2.6 for further details.

FIGURE 3-TILT MOUNT

1.5.2 Weather Cover

The weather cover,

P/N

85-6000-WC-SS-01 protects the

detector from extreme weather

conditions such

heat, rain, and snow

FIGURE 4-WEATHER COVER

1.5.3 Pole mount

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The pole mount enables the detectors to be

installed with itstilt mount brackets.The pole

mount kit wesupply are suitable for 2-inch or3-

inch poles. Part number F-Guard-PMA-S23.

FIGURE 5-POLE MOUNT

1.5.4 Air shield

The air shield P/N F-Guard-ASD-S01 allows

installation of flame detectors in harsh weather

conditions where they may beexposed to dust,

sand, and other particulate matter. The

connection point can be mounted in the 3, 9or12

o’clock locations.

•

Air pressure source: Clean, dry, and oil-free air

•

Pressure: 2-3 bar /30-45 psi

•

Fitting: 7/16”—20UNF-2A

•

Operation temperature: -55°C to +85°C / -67°F to

+185°F

FIGURE 6-AIR SHIELD

Table of contents

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