NEX7250 Zone 2 Annunciator
3
Contents
1.
I
NTRODUCTION
...................................................................................................... 6
2.
I
NSTALLATION
G
UIDE
............................................................................................. 7
3.
F
RONT
V
IEW
E
XAMPLES
........................................................................................ 8
4.
NEX7250
E
NCLOSURE
.......................................................................................... 9
4.1 General ..................................................................................................................................... 9
4.2 Panel mount ............................................................................................................................. 9
4.3 Wall Mount ............................................................................................................................. 10
4.4 Alarm connections .................................................................................................................. 10
4.5 Relay connections .................................................................................................................. 10
4.6 External power supply ............................................................................................................ 11
4.7 Certification ............................................................................................................................ 11
4.8 Labelling ................................................................................................................................. 11
4.9 Documentation ....................................................................................................................... 12
5.
P725
D
ESCRIPTION AND
F
EATURES
..................................................................... 13
5.1 General ................................................................................................................................... 13
5.2 Window Colours ..................................................................................................................... 13
5.3 Laser Printed Legends ........................................................................................................... 14
5.4 Adding Or Changing Film Legends ........................................................................................ 14
5.5 LED Illumination ..................................................................................................................... 14
5.6 Window Numbering System ................................................................................................... 15
5.7 Alarm Card Types .................................................................................................................. 15
5.8 Pushbutton / Programming Module........................................................................................ 15
5.9 Pushbutton / Programming Module Options .......................................................................... 16
5.10 Fully Field Programmable .................................................................................................... 16
5.11 Sleep Mode .......................................................................................................................... 16
5.12 Automatic Mute Or Automatic Acknowledge ........................................................................ 17
5.13 Integral Audible Alarm .......................................................................................................... 18
5.14 Remote Pushbutton Inputs ................................................................................................... 19
5.15 Terminations ......................................................................................................................... 20
5.16 Failsafe Mode ....................................................................................................................... 20
6.
I
NPUTS
............................................................................................................... 21
6.1 Optically Coupled Inputs ........................................................................................................ 21
6.2 Standard Input Configuration ................................................................................................. 21
6.3 Signal Supply Voltage ............................................................................................................ 21
6.4 Input Time Delay – Option AD* .............................................................................................. 22
6.5 Input Wiring Segregation ........................................................................................................ 22
6.6 No Master Module .................................................................................................................. 22
7.
O
UTPUTS
............................................................................................................ 23
7.1 Common Outputs ................................................................................................................... 23
7.2 Critical Horn Relay - HNA ...................................................................................................... 24
7.3 Non-Critical Horn Relay - HNB ............................................................................................... 24
7.4 Critical Group Relay - GPA .................................................................................................... 25
7.5 Critical Group Relay - GPB .................................................................................................... 25
7.6 Reflash Critical Group Relay - GPA ....................................................................................... 25
7.7 Reflash Non-Critical Group Relay - GPB ............................................................................... 25
7.8 Common Relay Function Codes ............................................................................................ 25
7.9 Multi-Function Relay Operating Modes .................................................................................. 25
8.
T
ECHNICAL SPECIFICATIONS
................................................................................. 26
8.1 General ................................................................................................................................... 27
8.2 Fuse Details - SPR Module .................................................................................................... 27
8.3 Suitable Power Supplies ........................................................................................................ 27
8.4 P725 Annunciator Standard Versions .................................................................................... 27