FGD FlameSpec IR3-H2 User manual

FlameSpec IR3-H2 User Manual

Doc. No. F150V0020.04

590 W. Central Ave. Suite K, Brea, CA 92821, USA T: (+1) 714-671-8500

www.fg-detection.com · suppo[email protected]om

FlameSpec IR3-H2

FlameSpec-IR3-H2 Triple IR Flame Detector User Guide, February 2019

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 Fire & Gas Detection Technologies logo is a trademark of Fire & Gas Detection Technologies Inc., registered in

the U.S. and other countries.

Every effort has been made to ensure that the information in this manual is accurate. However, Fire & Gas

Detection Technologies Inc. is not responsible for any inaccuracy or omission in this document. The information in

this document is subject to change without notice.

 
FlameSpec IR3-H2 User Manual 
Doc. No. F150V0020.04 
 
For more information & Technical support: (+1) 714-671-8500 · support@fg-detection.com iii 
Table of Contents 
Introduction.................................................................................................................... 1 
1 Key Features........................................................................................................................1
2 Model Number Description..................................................................................................1
3 Internal tests .......................................................................................................................2
2Installation ..................................................................................................................... 3 
1 General Considerations........................................................................................................3
2 Preparations for Installation.................................................................................................5 
3 Required Tools.....................................................................................................................5
4 Certification Instructions......................................................................................................5
5 Installing the Tilt Mount.......................................................................................................7
6 Installing the detector..........................................................................................................8
3Configuration options ................................................................................................... 10 
1 Sensitivity..........................................................................................................................10 
2 Ultra-Fast Detection...........................................................................................................11 
3 Alarm Delay.......................................................................................................................11 
4 Alarm Latch .......................................................................................................................11 
5 Window Heater .................................................................................................................11 
6 Modbus Address................................................................................................................11 
7 Manual BIT –Alarm Output Test.........................................................................................11 
4Detector Wiring ............................................................................................................ 12 
1 Wiring Functions:...............................................................................................................12 
2 Current Output (0-20mA) Wiring ........................................................................................13 
3 RS-485 Communication Network........................................................................................14 
5Operation ..................................................................................................................... 16 
1 Output Signals ...................................................................................................................16 
2 Testing...............................................................................................................................17 
3 Maintenance .....................................................................................................................17 

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5.4 Troubleshooting ................................................................................................................18

6Specifications................................................................................................................ 19

6.1 Fire Detection....................................................................................................................19

6.2 Electrical Specifications......................................................................................................19

6.3 Outputs .............................................................................................................................19

6.4 Mechanical Specifications ..................................................................................................20

6.5 Environmental Specifications .............................................................................................20

6.6 Label Figures......................................................................................................................21

6.7 Approvals ..........................................................................................................................22

6.8 Electromagnetic Compatibility ...........................................................................................22

7Warranty...................................................................................................................... 23

Appendix A Response Characteristics............................................................................... 24

A.1 Response to different fire scenarios ...................................................................................24

A.2 False Alarm Immunity ........................................................................................................25

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List of Figures

Figure 1: Tilt Mount Base - Rear View ..........................................................................................................7

Figure 2: Tilt mount base –Side View...........................................................................................................8

Figure 3: Detector on Tilt Mount –Side View...............................................................................................9

Figure 4 –Source 4-Wire Scheme...............................................................................................................13

Figure 5 –Sink 4-Wire Scheme ...................................................................................................................13

Figure 6 –Source 3-Wire Scheme...............................................................................................................14

Figure 7 –Sink 3-Wire Scheme ...................................................................................................................14

Figure 8: RS-485 Networking ......................................................................................................................15

List of Tables

Table 1: Detector Configuration Options....................................................................................................10

Table 2: Sensitivity levels............................................................................................................................10

Table 3: Terminal connections....................................................................................................................12

Table 4: Output Signals...............................................................................................................................16

FlameSpec IR3-H2 User Manual

F150V0020.04

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1. Introduction

The FlameSpec-IR3-H2 flame detector provides ultra-fast response, high performance and reliable

detection of hydrogen fires. 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 the built-in event logger, provide additional means to study the cause and

development of fire events.

1.1 Key Features

•High immunity to false alarm

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

•Hydrogen flame detection.

•High sensitivity - up to 100ft (30m)

•Data/Event logger - alarms, faults and other relevant events are logged to non-volatile memory.

•Built-in-Test (BIT) - Automatic and manual internal self-test of window cleanliness and the overall

operation of the detector.

•Window heater to avoid condensation and icing.

•Tilt mounting bracket can be connected either above or below the detector.

1.2 Model Number Description

Model No are defined as follows:

FLS-IR3 H2 - X S X 1

1 -M25

2 - ¾” NPT

A –FM, ATEX

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1.3 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 5.1). During “Dirty Window” fault the detection sensitivity is

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

FlameSpec IR3-H2 User Manual

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2Installation

The detector is intended for use as part of a complex system where many detectors and other

devices are integrated with different vendors’systems and interface communication to a variety of

different types and configuration control units and panels including control of instrumentations

computers. This chapter does not attempt to cover all of the standard practices and codes of

installation. Rather, it emphasizes specific points of consideration and provides some general rules

for qualified personnel. You must always observe special safety precautions.

2.1 General Considerations

This section includes important information.

To help obtain optimal performance, the detector should be aimed toward the center of the hazard

or area to be monitored and protected ("detection zone") and have, to the extent that is required, an

unobstructed view of the protected area. Whenever possible, the detector face should be tilted

(aimed) down at an angle to prevent the accumulation of dust and dirt.

Do not start an installation until the detector task definition, system configuration, installation

location and coverage considerations have been considered and clearly defined by the relevant

designers.

To ensure optimal performance and an efficient installation that fits your needs and complies with

the requirements, the following guidelines should be addressed:

Sensitivity

To determine the sensitivity level, the following issues should be considered:

▪The size of the fire to be detected at the determined distance.

▪The type of flammable fuel.

Spacing and Location

Consider the following factors when determining the number of detectors and their

locations in the protected area:

▪The size and shape of the protected area

▪The nature of the hazards, including materials stored or used and the protected objects

▪The sensitivity of the detectors

▪If there are any obstructed lines of sight

▪The field of view of the detectors

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Environment

▪Environmental conditions including but not limited to dust, snow or rain can reduce the

detectors sensitivity and require additional maintenance.

Welding

▪Arc welding should not be performed within 15 ft. (5m) of the detector. It is

recommended that the system be inhibited during welding operations in situations

where the possibility of a false alarm cannot be tolerated.

▪Gas welding requires a system inhibit, since the gas torch is an actual fire.

▪Arc welding rods can contain organic binder materials in the flux that burn during the

welding operation and are detectable by the device.

▪Welding rods with clay binders do not burn and should not be detected. However, a

system inhibit is always recommended, since the material being welded may be

contaminated with organic substances (paint, oil, etc.) that will burn and may be of the

size that should be detected.

FlameSpec IR3-H2 User Manual

F150V0020.04

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2.2 Preparations for Installation

The installation must comply with local regulations and standards applicable to flame detectors (e.g.,

NFPA 72) and all local and common engineering practices. It is recommended to consult with a safety

engineer.

The detectors can be installed with the use of general-purpose common tools and equipment.

Prior to installation:

•Verify the appropriate purchase order.

•Record the part and serial numbers of the detectors and the installation date and log.

•Visually inspect the detector prior to installation to make sure it is intact.

•Make sure that you have all the components and tools required to complete the

detector installation readily available before beginning installation. In cases where you

cannot complete the installation in a single session, secure and seal the detectors and

conduits before leaving the site.

•Use color-coded conductors or suitable wire markings or labels for the wiring. You may

use 12 to 22 AWG (2.5 𝑚𝑚2to 0.3 𝑚𝑚2) wires for the site wiring. The selection of wire

gauge should be based on the number of detectors used on the same line and the

distance from the control unit, in compliance with specifications.

•Use wire rated for a temperature of at least 111°C, which is 5°C above the rated service

temperature.

2.3 Required Tools

The detector can be installed using general purpose common tools as defined in the following table:

Tool

Function

Hex. KEY 6 mm

Vertical alignment

Hex. KEY 10 mm

Horizontal alignment

Wrench 13 mm

Mounting the detector

Flat Screwdriver 6 mm

Ground screw connection

Flat screwdriver 3.5mm

Terminal connection

2.4 Certification Instructions

Warning: Do not open the detector, even when isolated, when flammable atmosphere present.

•The equipment may be used in hazardous areas with flammable gasses and vapors with

apparatus groups IIC, IIB and IIA and with temperature classes T1, T2, T3, T4 and T5. See

details of the explosion proof approvals in section 6.7.

•The equipment is certified for use in ambient temperatures in the range of -67°F to

+167°F (-55°C to +75°C) or -67°F to +185°F (-55°C to +85°C) and should not be used in

temperatures outside this range.

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