Product Manuals/Man-1088_Sigma XT_26 Page 2 of 40
Index Page
1. Introduction .................................................................................................................................. 4
2. Safety and mounting .................................................................................................................... 5
2.1 Safety ............................................................................................................................. 5
2.2 Mounting ......................................................................................................................... 6
3. Technical specification ................................................................................................................. 7
4. Control panel fascia ................................................................................................................... 10
5. Connecting to the circuit board .................................................................................................. 12
6. Detection zone wiring ................................................................................................................. 13
7. Sounder circuit wiring ................................................................................................................. 13
8. Using intrinsically safe barriers .................................................................................................. 14
9. Connection to monitored inputs ................................................................................................. 15
10. Connection to extinguishant output .......................................................................................... 15
10.1 Solenoid wiring ............................................................................................................. 15
10.2 Igniting actuator wiring.................................................................................................. 16
10.3 Setting up extinguishant monitoring circuit ....................................................................... 16
Adjustment ......................................................................................................................... 16
For 3 or more actuators ........................................................................................................ 17
For 1 or 2 actuators .............................................................................................................. 17
11. Connection to remote control terminals ................................................................................... 18
12. Aux 24V DC supply .................................................................................................................. 18
13. Connection to relay contacts .................................................................................................... 19
13.1 Fault relay ................................................................................................................... 19
13.2 Local fire relay .............................................................................................................. 19
13.3 Fire relay ..................................................................................................................... 19
13.4 1
st
stage alarm ............................................................................................................. 19
13.5 2
nd
stage alarm ............................................................................................................ 19
13.6 Extract relay ................................................................................................................ 19
14. Connection and configuration of status units and ancillary boards .......................................... 20
14.1 Adding new status units/ancillary boards .......................................................................... 20
14.2 Removing status units/ancillary boards ............................................................................ 21
15. Panel operation ........................................................................................................................ 21
15.1 Normal condition .......................................................................................................... 21
15.2 Single zone Fire condition .............................................................................................. 21
15.3 Double zone Fire condition ............................................................................................. 22
15.4 Manual Release ............................................................................................................ 22
15.5 Silence/sound alarms .................................................................................................... 22
15.6 Reset .......................................................................................................................... 22
15.7 Zone fault .................................................................................................................... 22
15.8 Sounder fault ............................................................................................................... 22
15.9 Power fault .................................................................................................................. 22
15.10 System fault ............................................................................................................... 23
15.11 General fault .............................................................................................................. 23
15.12 Lamp test .................................................................................................................. 23
15.13 Hold condition ............................................................................................................ 23
15.14 Released condition ...................................................................................................... 23
15.15 Low pressure switch .................................................................................................... 23
15.16 Test mode .................................................................................................................. 23
15.17 Change mode ............................................................................................................. 24
15.18 Extract fan ................................................................................................................. 24
15.19 Disablements ............................................................................................................. 24
15.20.1 Disable zones........................................................................................................................... 24
15.20.2 Disable sounders ...................................................................................................................... 24
15.20.3 Activate delays ......................................................................................................................... 24
15.20.4 Disable fault contact ................................................................................................................. 24
15.20.5 Disable extinguishant subsystem ................................................................................................ 24
15.20.6 Disable 1
st
stage contact ........................................................................................................... 24
15.20.7 Disable 2
nd
stage contact ........................................................................................................... 24
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