Manual

Spectrex Inc. - SharpEye
TM
Mini IR3 Flame Detector Manual – TM 787100, Rev. D April 2011
I
T
ABLE OF CONTENTS
1. Scope..................................................................................................... 1
1.1 P
RODUCT OVERVIEW .....................................................................................1
1.2 D
OCUMENT OVERVIEW...................................................................................2
2. Technical Description............................................................................. 3
2.1 P
RINCIPLES OF OPERATION............................................................................3
2.1.1 Hydrocarbon fire detection....................................................................3
2.1.2 Identifying the CO
2
peak.......................................................................3
2.1.3 The limitations of IR-IR flame detectors................................................3
2.1.4 The advantages of IR3 technology .......................................................3
2.1.5 Modbus RS-485....................................................................................4
2.1.6 Use in Hazardous Atmosphere.............................................................4
2.1.7 Types and Models ................................................................................5
3. Performance........................................................................................... 9
3.1 D
ETECTION SENSITIVITY.................................................................................9
3.2 C
ONE OF VISION .........................................................................................11
3.3 F
ALSE ALARMS PREVENTION ........................................................................12
4. Operation ............................................................................................. 14
4.1 V
ISUAL INDICATIONS ....................................................................................14
4.2 O
UTPUT SIGNALS ........................................................................................15
4.2.1 Optional latching.................................................................................16
4.2.2 Built-In-Test ........................................................................................16
4.3 Detector Mode Setup.............................................................................16
4.3.1 Detector setting...................................................................................16
4.3.2. Detector’s various functions...............................................................16
4.3.3. Detector Default Set Up.....................................................................18
4.4 B
UILT IN TEST .............................................................................................18
4.4.1. General..............................................................................................18
4.4.2. Principles ...........................................................................................19
4.4.3. Automatic & Manual BIT ....................................................................19
4.4.4. Manual BIT only.................................................................................19
5.Technical Specifications........................................................................ 20
5.1 E
LECTRICAL
S
PECIFICATIONS
.......................................................................20
5.2 M
ECHANICAL SPECIFICATIONS ......................................................................21
5.3 E
NVIRONMENTAL SPECIFICATIONS.................................................................22
6. Installation Instructions......................................................................... 23
6.1 S
COPE........................................................................................................23
6.2 G
ENERAL CONSIDERATIONS .........................................................................23
6.3 P
REPARATIONS FOR INSTALLATION................................................................24
6.4 C
ERTIFICATION INSTRUCTIONS......................................................................25
6.5 C
ONDUIT INSTALLATION................................................................................26
6.5.1 Tilt Kit P/N 787639..............................................................................26
6.5.2 Tilt installation (Figs. No. 6 and 7) ......................................................26
6.6 D
ETECTOR MOUNTING .................................................................................29
6.7 W
IRING FUNCTION .......................................................................................29