Spectrex 20/20R - Single IR Flame Detector - Manual (Page 5)

Spectrex Inc. - SharpEye TM Single IR Flame Detector Manual – TM 20/20R, Rev. A January2005
I
T ABLE OF CONTENTS
1. Scope .................................................................................................... 1
1.1 P
RODUCT
O
VERVIEW
.....................................................................................1
1.2 D OCUMENT O VERVIEW ...................................................................................1
2. Technical Description .......................................................................... 2
2.1 P RINCIPLES O F O PERATION ............................................................................2
3. Performance ......................................................................................... 4
3.1 D ETECTION S ENSITIVITY .................................................................................4
3.2 C
ONE
O
F
V
ISION
...........................................................................................6
3.3 F ALSE A LARMS P REVENTION ..........................................................................7
4. Operation .............................................................................................. 8
4.1 V
ISUAL
I
NDICATIONS
......................................................................................8
4.2 O
UTPUT
S
IGNALS
..........................................................................................9
4.2.1 Optional latching .................................................................................10
4.2.2 Built-In-Test (BIT) ...............................................................................10
4.2.3 Accessory Relay as EOL ....................................................................10
4.3 M
ODE
S
ELECTION
........................................................................................10
4.3.1 Function switch (SW1): .......................................................................11
4.3.2 Address switch (SW2) (Optional): .......................................................12
4.3.3 Alarm Delay switch (SW3): .................................................................13
4.4 B
UILT
I
N
T
EST
.............................................................................................14
5.Technical Specifications..................................................................... 17
5.1 E LECTRICAL S PECIFICATIONS .......................................................................17
5.2 M
ECHANICAL
S
PECIFICATIONS
......................................................................20
5.3 E NVIRONMENTAL S PECIFICATIONS .................................................................21
6. Installation Instructions ..................................................................... 22
6.1 S COPE ........................................................................................................22
6.2 G
ENERAL
C
ONSIDERATIONS
.........................................................................22
6.3 P REPARATIONS FOR I NSTALLATION ................................................................23
6.4 C
ONDUIT
I
NSTALLATION
................................................................................23
6.5 D ETECTOR M OUNTING .................................................................................24
6.5.1 Swivel Mount Kit: ................................................................................24
6.5.2 Swivel installation (Figs. No. 8 and 9): ................................................24
6.6 W
IRING
(R
EFER TO
F
IG
. 12) .........................................................................27
6.7 T ERMINAL WIRING (S EE F IG . N O .10 AND N O .11.)...........................................28
6.8 M
ODE
S
ELECTION
........................................................................................32
7. Operating Instructions ...................................................................... 33
7.1 S
COPE
........................................................................................................33
7.2 P OWER -U P .................................................................................................33
7.3 R
ESET
........................................................................................................33
7.4 F UNCTIONAL TESTING ...................................................................................33
7.4.1 Manual BIT Test .................................................................................34
7.4.2 Testing with fire simulator ...................................................................34
7.5 S
AFETY
P
RECAUTIONS
.................................................................................35
8. Maintenance Instructions .................................................................. 36