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Man-1088

1. Be anD Be BELLS sonon ronen Table 5 Compatible l S barriers Model Type Manufacturer MTL5561 DETECTION ZONE GALVANIC ISOLATOR MTL MTL7778ac ALL SOUNDER CIRCUITS MTL Note Use galvanic isolator with Hochiki or Apollo detectors only Product Manuals Man 1088 Sigma XT 26 Page 9 of 40 4 Control panel fascia In addition to the mandatory controls and indications required by the EN54 2 and EN12094 1 standards three seven segment LED displays and MODE SELECT and ENTER buttons are provided to allow easy entry and storage of codes to configure the control panel to suit the requirements of the installation The Lamp Test Mode and Select buttons also have a sub script 100 10 and 1 that allows easy entry of numbers General System Status Fire In Zone Disablements Extinquishant Status inquizhs OFire OC peer pau O ve O iied O pressure ual Release Sounder Fault 3 eed mmine O Power On vis rumen 1 Z O Releaze imminent e pra LEAS Dicablem anua nly PULL DOWN PUSH BUTTON O Delay On O General Fault ap O Ge Ty Ist Stage f Ist Stage E E Contact Activated Zone Faulty Test EXTINGUISHANT REI E Pred Stage Hold O Vest Mode Un e rena rrt Disablement Contact Activated Alanon F autt General 4 Ee Flooding O Disablement O zung Or O Zone Fault 5i ee Alan Fault Reset gu m pen Enter System Mode Enable Control Warming Silence o
2. EMEN CENE EE 55000 300 SERIES 60 OPTICAL Apollo pui iu j E a A 53531 211 SERIES 30 HEAT Apollo A uu auc A A A A E pcc ee ESAS MHT 90 CHEAT OC COOPER 8D MMT amp 0 T HEAT COOPER 8D p Product Manuals Man 1088 Sigma XT 26 Page 8 of 40 A IIU U M ue CT3000 0 OPTICAL DETECTOMAT CT3000 T HEAT DETECTOMAT ECO1002 HEAT PHOTO ECO1003 PHOTO ECO1005 HEAT ECO1005T HEAT System Sensor 22 Although the current consumption of many detection devices would allow more than 32 to be connected to a zone this number should be limited to 32 to ensure that a short or open circuit on the wiring does not prevent the indication of a fire alarm from more than 32 fire detectors and or call points as required by European standard EN54 2 No more than 32 devices detectors and call points should be fitted to any one zone Table 3 Compatible detector bases and call points Model os gt Manufacturer Comments YBNH6 STANDARD WITH REMOTE LED Hochiki YBO N 4 IS 1 STANDARD WITH REMOTE LED l S Hochk YBO N6R STANDARD LATCHING RELAY Hoch YBO R 6RN STANDARD NON LATCHING RELAY YBO R 6RS DIODE BASE WITH LATCHING RELAY Must be used with LCMU YBO R 6PA 2 WIRE BASE Hochki Pee A co S ECO1000R STANDARD System Sensor ECO1000BRSD DIODE BASE System Sensor Must be used with LCMU ee ee AAA eS 456821 200 STANDARD BASE Apollo Poy oo
3. The Hold fault LED will be accompanied by the front panel Flooding zone fault LED to indicate a common fault condition within the extinguishant section of the control panel 19 12 Manual release fault Indicates a short or open circuit on the manual release switch input Remove wiring and refit end of line Check manual release circuit wiring The Manual release fault LED will be accompanied by the front panel Flooding zone fault LED to indicate a common fault condition within the extinguishant section of the control panel 19 13 Mode fault Indicates a short or open circuit on the mode switch input Remove wiring and refit end of line Check mode circuit wiring The Mode fault LED will be accompanied by the front panel Flooding zone fault LED to indicate a common fault condition within the extinguishant section of the control panel 19 14 Release fault Indicates a short or open circuit on the released pressure switch input Remove wiring and refit end of line Check released pressure switch circuit wiring The Released fault LED will be accompanied by the front panel Flooding zone fault LED to indicate a common fault condition within the extinguishant section of the control panel 19 15 Low pres fault Indicates a short or open circuit on the low pressure switch input Remove wiring and refit end of line Check low pressure switch circuit wiring The Low pres fault LED will be accompanied by the front panel Flooding zone fault LED to i
4. Control key does not need to be inserted to test the indicators The buzzer can be silenced at any time by pressing the Buzzer Silence button The enable key does not need to be inserted to silence the buzzer 15 13 Hold condition Activation of the hold input at the connections inside the panel or at a remotely mounted status unit will cause the Hold Activated indicator to light and the buzzer to sound If the control panel is in the 2 stage alarm condition i e it is in Automatic mode and detection circuits are activated or it is in either Automatic or Manual mode and a manual release input is operated then the extinguishant release sequence shall be halted and the pulsing 2 stage sounders shall change to 1 second on 2 seconds off Release of the Hold input shall re start the countdown release timer from maximum 15 14 Released condition The released pressure switch input is connected to a pressure switch mounted on the extinguishant cylinder which operates when the extinguishant has been released This will activate the released indicator on the control panel If the extinguishant has been released by mechanical means i e the control panel is not in the activated condition operation of the released pressure switch input will cause the second stage sounders and second stage relay to operate 15 15 Low pressure switch The low pressure switch input on the panel is connected to a pressure switch on the extinguishant cylinder whic
5. DEC 19 AWS ais PMs colo siete r dM ETE TUTTI TT TRES 19 1376 A PE 19 14 Connection and configuration of status units and ancillary boards ssssusse 20 14 1 Adding new status units ancillary DOArdS ccc ccc eee menn nnn nnn 20 14 2 Removing status units ancillary boards cece cece emnes 21 ios PANS O DCT AUN PER TT T TP 21 NO Mormial eis eaa rastro Cassa aate Peer rM e 21 ISZ ange Zone Fre CONGITION uranio IA RU 21 15 3 Double zone Ele CONCA isses ineo asit eid dos 22 15 4 Ma NUA BReledSG cda den chad buta DAR o door A 22 15 9 sillence sourid alarms ii A oO 22 1520 c das a NL it AD lts 22 15 7 LONE TE told 22 1550 S0Under Taba ti a id tt aia 22 15 9 PONE TA a do 22 195 LOS y Stemi tal espada lr dl ia a E aero 23 BE Geta QUE o eet Maver gun 23 AS Cali A O A uM ALES 23 OU OO CONCILIO oi E a oro 23 Lo l4 Released CONGICION Perl dra lio iene a dunes 23 OSLO LOW Pressure SWICK is ai Rt ens 23 15 T6 A ita cuma ta ee tid ardore tul eoe tne tea Mia et p EA See co AN AA 23 Ae A DEO TOT DUI DOTT m 24 ISl EXT act Ma cu aru aset ete se Ex da A DE Caawhenaetened M LORS en LU cM EI S MMC RS EE NE 24 LALO 9 pI eL C rcp 24 T20 FDIS ADS ZONES tetona isaac ia 24 15 202 Disable sounder Ss ere oa aru m e E eae Hn E ES cea ee 24 15 20 3 ACTVate dela stie mnn s t tox acorde oa to Rt tot M eget tomo oir 24 15 204 Disable fault COP LACE icon iss ete osten eu uenenum acm aR Rab ng ene a meen mee newt na w
6. Mains supply fuse T Amp FIGAL250V Replace only with similartype Power supply rating 3Amps total including battery charge 28V amp 2V TT Maximum ripple current 200milivlts OOOO Battery type Yuasa NP Two 12 Volt sealed lead acid in series Flame retardant UL94 V 0 ZAh anu Battery charge current 07A manun 0 Modulated DC Battery fuse Umm 315Agas Replace only with the same type i Current draw in post discharge condition O 310A T Second stage and solenoid outputs active S Maximum current draw from batteries PSAmps With main power source disconnected Maximum ratings not to be exceeded Zone quiescent current OmA minimum 2mA maximum Seefables2andS3fordetectortypes Terminal capacity 0 5mm to2 5mmf solid or stranded wire poo o Number of detectors per zone T Dependentontype S Seetabe2 Number of sounders per circuit Dependent on type and current consumption 1 Seetable4forsoundertypes ee Detection circuit end of line 6K8 5 v Watt resistor Supplied in terminals Sounder circuit end of line 10K 5 Watt resistor Supplied in terminals Extinguishant output end of line T 1N4004Diode Suppledintermnals Ss No of detection circuits Three 21t028V DG TT No of sounder circuits Three 211028VDC 2
7. Mena ae et niel 30 BE a WatcndOG TES aesti qa delia nue moo E RUFI Eds 30 Tel Proces Or TES Olano O satan idu nodo etu a MRNA 30 19 3 Terminate CxtinQuisnanil osito t se e de iio 30 L9 4 COMMISSIONING castidad linia 30 I9 Internal Indications K peib s neea l iion i reato E E A Eas exe A E eer 31 LIL MINS TT C T EE 31 TOZ Baal ce Seta be nudae xs oeiea cack M PEL dL age eae Ei ID cole MM E tun 31 I9 CPU TOUlb cedido vesc x MM OM sense M MM HM M I NIE Me aU MEM 31 TIA AUX ZAV TQS aa 31 PBa EION uea a LL UU TEE 31 SAO E A e CLIMA IL IP LED INC M A AE E errr ENN 31 SN E A E aa I E SE E 32 LS SyS TUSO TQUE TTT a EA a ete d enu Lud 32 RS a oz and Oo Va E linia dt cio dci 32 T9 LO EXIM GN faul corsario ill ios one 32 Oa A FO DHT 32 19 12 Matnual reledseTaUlt czive ierat oe xe exo Na 32 19 1o Mode Talbot pP n E 32 T9 TA LC PP E ENE II tenner 32 TO LS LOW DES Tau M 32 SMS AAA A A E A N NE E O E N 33 20 POWER SUD ONY eT A 34 21 Mantena nGE mt ii ci rinitis 35 22 Record OF COn UM tii oi 35 e ERE E E 39 24 COMMISSIONING aten reen ouo eoe ee a eo eer ea Crea d eue hansen Rue su suu duae es cleo 40 DD A E E ach tineis aud rata T A oe Ubi ats 40 R T A nh 40 2A LETT RTE dio did 40 DA ETT EP RE I CEN T ares 40 e dec RR MN 40 Product Manuals Man 1088 Sigma XT 26 Page 3 of 40 1 Introduction The SIGMA XT control panel is designed in acc
8. SOUND ALARM FAULT RESET LAMP TEST MODE SELEC R ALARM WARNING 0 T WDOG PROC RESET RESET SILENCE 0 PN DU zi BATT AUX 24V COMMS SYS F USE 1 S2 2ND STAGE HOLD MAN REL MODE REI SE LOW PRES TELL 2 i i US a FAIL EMT EAT BW FAULT Pay FAULT FAULT FAULT SNDR FAULT BING FAULT FAULT FAULT F LT FAULT TALE Me Figure 5 Wiring to the circuit board Product Manuals Man 1088 Sigma XT_26 Page 12 of 40 6 Detection zone wiring The detection zones provide a nominal 20V DC to power conventional detectors and call points as listed in the compatibility tables 2 and 3 The wiring is monitored for open and short circuit fault conditions by removing the 6K8 end of line monitoring resistors that are supplied fitted to the control panels terminals and placing them across the last device that is wired to the zone circuit Detection zone circuits must be wired as a single radial circuit with no spurs or T junctions to enable the monitoring circuit to work correctly For systems that are required to comply with BS5839 Part1 2002 detector removal requirements either detector bases fitted with a Schottky diode should be used and the end of line resistor replaced with an LCMU active end of line monitoring device or zener clamping bases such as Hochiki PA6 or Apollo Savwire used DETECTOR CALL POINT 6K8 END OF LINE RESISTOR Figure 6 Detection zone wiring 7 Sounder circuit wiring All sounders must be of the p
9. Sounders xz 20 I Gy 9o Gy 10K hid 10K 10K po 28 Ea 25 e OD oc O OQ qc Din EO I9 E ECE C Ow D dU D D Gig ee We wa ES x ug 3 Sl is S al 8 Q Y x x PE a PE ORS L Y y Y d b ov P D S GC O Z O O O O Remote Q Control ll E 8 E A Inputs z CV lt 3 4 d A To Status 2 Auxiliary Signalling Relays Units ES S 2 a SA L U o o UJ es OL v O Ree Te ev OOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOO0O E L ROV SIL AL FLTRST yp p zit it a 314 1 N NO UNC LC NOt yp ye p4 NO CNC C NO NC_C NO WNC C NO AUX REMOTE DATA POWER S1 S2 ZONE 1ZONE 2ZONE 3 2ND 1ST 2ND MODE MAN HOLD REL EXTING LOW EXTRACT FAULT LOCAL FIRE 24V CONTROL STATUS UNITS SOUNDER STAGE STAGE SELECT RELEASE PRESS PRES RELAY FIRE RELAY SWITCH SWITCH Sigma XT PCB Figure 22 System Schematic Product Manuals Man 1088 Sigma XT 26 Page 37 of 40 23 CE Mark All control panels have a label affixed to the inside of the lid as shown below This label should not be removed under any circumstances Kentec Electronics Ltd Dartford DA1 1JQ U K ee eee O S CPR 96748 LE EN12094 1 Electrical automatic control and delay device Environmental Class A 1 Flooding Zone High or low pressure CO2 and Halocarbon extinguishing systems Provided options Delay of extinguishing signal Signal representing the flow of extinguishing agen
10. made such as to the extinguishant release actuator 24 6 A record of the configuration options that have been set should be recorded in the table on section 22 and this manual provided as part of the documentation recommended by BS5839 Part 1 2002 section 40 2 b Product Manuals Man 1088 Sigma XT 26 Page 40 of 40
11. only available at access level 3 To enter access level 3 CAREFULLY slide the Write Enable switch located behind the aperture in the panel plate to the right position using a small screwdriver or similar TERMINATE W DOG PROC WRITE EXTING RESET RESET ENABLE ACCESS LEVEL3 SWITCH PUSH TO RIGHT TO ENABLE Configuration options are simple to enter using the codes in table 8 below When the control panel is at access level 3 the sub text of the Mode and Select buttons is used to enter a number using hundreds tens and units When the required code number is displayed pressing the ENTER button will cause the dot on the units seven segment display to flash This indicates that a configuration option has been set To review which configuration options have been set previously simply scroll through numbers 1 to 99 A1 to A8 and those with a flashing dot indicate which options have been set ZONE ONE I S BARRIER OPTION SET ZONE ONE I S BARRIER OPTION NOT SET DOT FLASHING NO DOT Figure 17 Display showing option set and not set Product Manuals Man 1088 Sigma XT 26 Page 27 of 40 Table 5 Configuration codes NOTE Setting the options marked with asterisks does not comply with EN54 2 CODE FUNCTION COMMENTS UXX CONFIGURATION UPDATE COUNT Number incremented each time access level 3 config changed Counter resets to 00 when 99 is reached Introduces a time delay before sounders operate Note Only one delay period ca
12. requirements of EN12094 1 the control panel has the following facilities Delay of extinguishing signal of up to 60 seconds EN12094 1 Section 4 17 option with requirements Signal representing the flow of extinguishing agent to indicate the released condition EN12094 1 Section 4 18 option with requirements Monitoring of the status of components by way of a low pressure switch input EN12094 1 Section 4 19 option with requirements Emergency hold device to enable the extinguishant delay time to be extended EN12094 1 Section 4 20 option with requirements Control of flooding time to deactivate the releasing output after a set period of time EN12094 1 Section 4 21 option with requirements Manual only mode to disable the release of extinguishant via automatic detection devices EN12094 1 Section 4 23 option with requirements Triggering of equipment outside the system by way of first and second stage contacts extract fan output etc EN12094 1 Section 4 26 option with requirements Activation of alarm devices with different signals to indicate pre discharge and released warnings using different sounds EN12094 1 Section 4 30 option with requirements Product Manuals Man 1088 Sigma XT 26 Page 4 of 40 2 Safety and mounting 2 1 Safety Suppliers of articles for use at work are required under section 6 of the Health and Safety at Work act 1974 to ensure as reasonably as is practical that the article will be safe and without risk to
13. stopped using the reset button until after the extinguishant duration timer has elapsed For test purposes a terminate extinguishant button is provided at access level 3 which will terminate an already running extinguishant flooding and allow the system to be reset to normal 18 4 Commissioning Changes to the configuration as listed in table 5 require that the changes be stored in the control panel memory To enable the memory to be written to it is necessary to operate the Write Enable slide switch TERMINATE W DOG PROC WRITE EXTING HESET RESET ENABLE gt TELL TALE Figure 18 Terminate Extinguishant Watchdog reset Processor Reset and Write enable switches Product Manuals Man 1088 Sigma XT_26 Page 30 of 40 19 Internal indications troubleshooting To assist in identifying fault conditions which are not detailed on the front of the control panel a number of internal indicators are visible with the front cover removed as follows TERMINATE W DOG EXTING RESET AUX sYs TOW MAINS BAIT OcPU_ 24V BATT COMMS EARTH O FUSE 1 s2 3 EXTING HOLD MAN REL MODE RELEAS TELL OPAIL OFFAL OFAULT CFAULT Otow OFAULT CFAULT C FAULT OFaurr Oraurr Orautt OFAULT OPRULT OFAULT RUR O Fault CERES OTRLE gt Figure 19 Internal fault LED 19 1 Mains fail Indicates that the 230V AC supply is not present and the system is running on standby batteries If there is not a power cut check the panels mains fuse
14. to accept these into its memory the procedure below must be followed 1 Operate the Enable Controls keyswitch 2 Enable the Write Enable Switch push to the right Access level 3 3 The display will show Pux for status units and Pox for ancillary boards that are found where x is the address of each unit and the dot in the display will be flashing Operate the Enter button which will accept the displayed unit and step through to the next unit found 4 When the Enter button does not step on to any other units all devices have been accepted 5 Disable the Write enable switch push to the left 6 Disable the Enable controls keyswitch 7 The panel should return to the normal quiescent condition Product Manuals Man 1088 Sigma XT_26 Page 20 of 40 14 2 Removing status units ancillary boards When status units ancillary boards are to be removed from the system the system must be powered down first and the status units ancillary boards removed The system should then be powered When the system starts it will be in fault and the units removed will be shown on the display Status units are shown as Fux and ancillary boards are shown as Fox where x is the address of the unit The Select button can be used to view all of the status units ancillary boards that the system expects to be found but are now missing For the system to accept the removal of these devices from its memory the following procedure must be carried out Operat
15. will automatically exit test mode if there are no fire activations for 15 minutes 15 17 Change mode The mode of the system can be toggled between Manual Only and Automatic amp Manual by operating the keyswitch in the extinguishant status area of the panel When the system is in Manual Only mode the extinguishant cannot be released by the operation of automatic detectors Note The mode can also be changed to manual by the external mode select input or the keyswitch on any status unit Any mode select input to manual mode will override any keyswitches switched to Automatic and Manual mode 15 18 Extract fan When the extract function is selected by access level 2 option Ac the extract contact in the panel and at all ancillary boards will operate When active the display shows a flashing dot after the Ac display If the panels enable control key is switched off when the extract output is active the display will show ccc Turning on the Enable Control key will not automatically display the menu options if the ccc message is present The Ac display can be shown by pressing the Mode button followed by the Enter button to clear the event 15 19 Disablements It is possible to disable parts of the system This may be required if there are works going on in a building which may cause the fire alarm system to operate in error 15 20 1 Disable zones To disable zones the Enable Control key should be inserted and the mode button pressed
16. 0 C 2 and with a maximum relative humidity of 95 The IP rating for the enclosure is IP30 Operation outside of these limits may render the equipment unsafe 2 2 Mounting The control panel should be mounted on a dry flat surface at eye height to the display and ina level position such that the enclosure is not distorted Screws or bolts of a minimum of 5mm diameter must be used to mount the enclosure in all three mounting positions It should be positioned in an accessible place as agreed with the end user Suitable fixings should be used at all fixing points such that the control panel is securely mounted and is not liable to move once fixed The control panel should not be mounted in another enclosure or near sources of excessive heat Cables should be connected using suitable cable glands fitted to the knockouts provided If additional cable entry points are required all swarf and debris caused by drilling of additional cable entries must be cleared before power is applied to the panel SIDE VIEW FRONT VIEW 5mm DIAMETER SCREWS FIX TO FLAT SURFACE USING SUITABLE WALL PLUGS Figure 1 Mounting Product Manuals Man 1088 Sigma XT_26 Page 6 of 40 3 Technical specification Table 1 Electrical specifications Mains supply 230V AC 50Hz 10 15 100 Watts maximum Standard European mains connection
17. 19 2 Batt fail Indicates that the standby battery has become disconnected or that the charging circuit of the control panel has failed Check that both batteries are connected and linked together Test battery Disconnect battery and ensure that 28 Volts can be measured on battery charger leads 19 3 CPU fault Indicates that the central processor unit has failed to correctly execute code and has been re started by the system watchdog The watchdog reset switch must be pressed to clear the CPU fault condition Press watchdog reset lf system does not return to normal then the panel is probably damaged and needs the circuit board replacing See maintenance section 21 19 4 Aux 24V fault The Aux 24V and ROV terminals provide a 500 milliamp 24V DC power supply for power fire alarm ancillary equipment This LED indicates that fuse protecting the ROV output has operated and the rating of this output has been exceeded The fuse is a self resetting type and the supply will resume when the fault condition is removed 19 5 Batt low Illuminates when the system is running on batteries and the battery voltage is between 21 5 V and 20 5 V the minimum battery voltage 19 6 Comms fault Indicates that communication has been lost with a repeater panel or Ancillary board Check for comms fault at all repeaters and ancillary boards to identify the source of the problem The comms fault LED will be accompanied by the front panel Flooding zone fault L
18. 3 switch must be returned to its normal position The General fault indicator will remain lit if the Access level 3 switch is not turned off Product Manuals Man 1088 Sigma XT 26 Page 29 of 40 18 Internal Controls 18 1 Watchdog reset If for any reason the microprocessor in the control panel fails to carry out its operation correctly it will attempt to restart itself This process is called a watchdog and the control panel must record and indicate these events If a watchdog event occurs the control panel will show the FAULT and SYSTEM FAULT LEDs on the front panel the CPU fault LED inside the panel and the buzzer will sound This fault can only be cleared by pressing the WATCHDOG RESET button on the PCB inside the control panel This is a serious failure and the control panel buzzer will continue to sound until the watchdog activation is reset 18 1 Processor reset Once started the microprocessor controlling the panel should continue to run the panel continuously without interruption If the microprocessor fails to run correctly it can be reset by pressing the PROCESSOR RESET button on the PCB inside the control panel This should not normally be necessary but should be done as a matter of course if the system is behaving abnormally The system should resume normal operation within a couple of seconds of pressing the processor reset button 18 3 Terminate extinguishant Once the release output has been initiated it can not be
19. AULTRELAN LOCALFEE FIRE RELAY MN bu STATUS UNITS SDUNDER SET RELEASE SWITCH General System Status Fire In Zone Disablements Bata kise nt Status a de FU FP F 7 r S E T Extinquishant Ow Low M Fire ded Power Fault L Extinguishant L J Relesded A psg ru E Sounder Fault Manual Release _ Power On o Disablement 1 2 3 J Release Imminent Auto amp Manual Manual Only m n X Tst Stage X Tst Stage T ae J Delay On UA General Fault e A ctivated 5 a de a ns MES Zone Fault Test X 2nd Stage Hold oa Test Mode On ut System Fault Disablement Lees yess UN General bdr 77 Extract m Flooding L Disablement silenced _ Fan Zone Fault Sverre Sound Alarm Fault Reset Lamp Test Mode Select Enter System Mode Enable Contry Alarm Warning Silence 100 10 1 Mare Ex Ba Comes Ew Pie PA 073982 858 74 Exe Man Re Mode Erare Low Tel A Terminada F Weg T Y Pria Eating Lale Or OF O a OE Ol Om Om Ok O a OR Om Or Ore O O O a On QHON Ome E I Enable REMOVE SCREWS AND o KEEP SAFE o Figure 4 Removing the fascia Product Manuals Man 1088_Sigma XT_26 Page 11 of 40 5 Connecting to the circuit board All connections for field wiring are to a single row of terminals along the top of the circuit board Shielded fire alarm cable such as FP200 and metal cable glands must be used for all connections to the panel The resistance of any core of any cable must not exceed 25 ohms The shie
20. ED to indicate a common fault condition within the extinguishant section of the control panel Product Manuals Man 1088_Sigma XT_26 Page 31 of 40 19 7 Earth fault Indicates that part of the system wiring is connected to earth Remove all system wiring and re connect cables one at a time until the earth fault returns This will indicate which cable the earth fault is present on 19 8 Sys fuse fault Indicates that the total power rating of the power supply has been exceeded and that the system fuse has come into operation Remove and review all loads and re connect one at a time until over rated circuit trips fuse to identify troublesome circuit 19 9 S1 S2 and S3 fault Indicates a short or open circuit on sounder outputs Remove wiring and refit end of line resistors Check sounder circuit wiring The S3 LED will be accompanied by the front panel Flooding zone fault LED to indicate a common fault condition within the extinguishant section of the control panel 19 10 Exting fault Indicates a short or open circuit on extinguishant output Remove wiring and refit end of line resistors Check extinguishant circuit wiring The Exting fault LED will be accompanied by the front panel Flooding zone fault LED to indicate a common fault condition within the extinguishant section of the control panel 19 11 Hold fault Indicates a short or open circuit on the hold switch input Remove wiring and refit end of line Check hold circuit wiring
21. M DETECTOR DELAYED ZONE 1 ALARM FROM CALL POINT DELAYED Zo ZONE 2 ALARM FROM CALL POINT DELAYED REED ZONE 3 ALARM FROM CALL POINT DELAYED EL ZONE 1 OPERATES THROUGH I S BARRIER I ZONE 2 OPERATES THROUGH I S BARRIER EE ZONE 3 OPERATES THROUGH I S BARRIER BEEN A ESA A C71 ZONE 1 SHORT CIRCUIT INDICATES ALARM C72 ZONE 2 SHORT CIRCUIT INDICATES ALARM C73 ZONE 3 SHORT CIRCUIT INDICATES ALARM E ZONE 1 NON LATCHING AE ZONE 2 NON LATCHING D ZONE 3 NON LATCHING p SECONDS eer SECONDS e GE SECONDS E00 PANEL CAN BE RESET IMMEDIATELY DISCHARGE OUTPUT HAS OPERATED E01 PANEL CAN BE RESET 1 MINUTE TO 29 MINUTES TO AFTER DISCHARGE OUTPUT HAS OPERATED E29 E30 PANEL CAN BE RESET 30 MINUTES AFTER DISCHARGE OUTPUT HAS OPERATED A neu 00 NO EXTINGUISHANT DELAY 5 SECONDS EXTINGUISHANT DELAY p 3 fe 10 INCREMENT EXTINGUISHANT DELAY IN FIVE mE E uM gp EA TO SECOND STEPS 55 60 60 SECONDS EXTINGUISHANT DELAY FU A A 060 EXTINGUISHANT DURATION TIME IN SECONDS INCREMENT EXTINGUISHANT DURATION IN FIVE SECOND STEPS EXTINGUISHANT DURATION TIME IN SECONDS NOTE Setting the option C15 marked with asterisks does not comply with EN12094 1 Product Manuals Man 1088 Sigma XT 26 Page 36 of 40 O m d lt 5 O E 2 9 Sg z _ D O O ce d So S 15 50 Y dd y L 25 SES 9 EZ 0 cS 89 1st Stage 2nd Stage SP uz o BHR Y S55 Z Sounders
22. ME 1MINUTE C02 SOUNDERDELAYTIME 2MINUTES TT C03 SOUNDERDELAYTIME 3MINUTES TT C04 SOUNDER DELAY TIME 4 MINUTES TT Co5 SOUNDER DELAY TIME 5 MINUTES C06 _ SOUNDER DELAY TIME 6 MINUTES C07 SOUNDER DELAY TIME 7 MINUTES _ 1 C08 SOUNDER DELAY TIME 8 MINUTES C09 SOUNDER DELAY TIME 9 MINUTES l a qm ss p pn pup l Z1 amp Z2 DETECTORS TRIGGER AUTOMATIC RELEASE Z2 amp Z3 DETECTORS TRIGGER AUTOMATIC RELEASE Z1 873 DETECTORS TRIGGER AUTOMATIC RELEASE BERE di NEN AUTOMATIC RELEASE bd ibis 9 RELEASE RELEASE Z1 DETECTORS TRIGGER AUTOMATIC RELEASE Z2 DETECTORS TRIGGER AUTOMATIC RELEASE Z3 DETECTORS TRIGGER AUTOMATIC RELEASE Product Manuals Man 1088 Sigma XT_26 Page 35 of 40 AAA AAA C21 DISABLEFIREBUZZER_________________ O C22 DISABLE FIRE OUTPUT C28 DISABLE FAULT OUTPUT C24 DISABLEEARTHFAULTMONITORING PULSE ROV OUTPUT REMOVE AUX 24V ON SYSTEM RESET D C27 INDICATE EXTING RELEASED WHEN EXTING OUTPUT IS ACTIVE NO ACTIVATION DELAY UPON MANUAL RELEASE DESEE imeamentemase O o IMMINENT PHASE se LL SIGNAL C2b EXTINGUISHING OUPUT ON TILLRESET________ ____ C2C LOW PRESSURE SWITCH NORMALLY CLOSED C2d DELAY MAINS FALI INDICATION BY 30 MINUTES C81 ZONE 1 ALARM FROM DETECTOR DELAYED C32 ZONE 2 ALARM FROM DETECTOR DELAYED C33 ZONE 3 ALARM FRO
23. RGE To allow reset of the panel to be prohibited before the OUTPUT HAS OPERATED extinguishant discharge has fully completed E01 PANEL CAN BE RESET 1 MINUTE TO 29 MINUTES TO AFTER DISCHARGE OUTPUT HAS OPERATED E29 E30 PANEL CAN BE RESET 30 MINUTES AFTER DISCHARGE OUTPUT HAS OPERATED AS ee ee EA ee 00 NO EXTINGUISHANT DELAY Time delay between activation and extinguishant release 5 SECONDS EXTINGUISHANT DELAY output operating 10 INCREMENT EXTINGUISHANT DELAY IN FIVE This menu is accessed using the lamp test 100 TO SECOND STEPS button The time is adjusted using the Mode button for 55 10 s and the Select button for 5 s 60 SECONDS EXTINGUISHANT DELAY Once the time is selected the Enter button is used to store the value 060 EXTINGUISHANT DURATION TIME IN SECONDS Time that extinguishant release output is activated INCREMENT EXTINGUISHANT DURATION IN FIVE Note Panel can not be reset until this time has expired SECOND STEPS except by operating the terminate extinguishant switch located under the front cover EXTINGUISHANT DURATION TIME IN SECONDS This menu is accessed using the lamp test 100 button The time is adjusted using the Mode button for 10 s and the Select button for 5 s Once the time is selected the Enter button is used to store the value NOTE Setting the option C15 and those marked with asterisks does not comply with EN12094 1 Once the required configuration options have been set the Access level
24. Sigma XT Extinguishant Control Panel K11031M2 K11031F2 Operation and Maintenance Manual Man 1088 Issue 26 February 2015 Index Page Ala ree Calnalee neces 4 SN a e ETETE EEE A EN 5 2 15 E I E ys cris EEEE End d A di EE AE EEA A E AT 5 2 2 NIOUEIEI O 6 3 TECNICAL SOCCINICAT ON T 7 4 Gn c a ell are cae 10 D Connecting 1OIMe lt CirCUll DOS ecu decisis cinta ve E Eo TENOR HIE Reda lia 12 cm Detecion Zone Winges ND T MT 13 T SOUNOEF iee H aaae R 13 8 Using intrinsically safe barriers cinc la ee eee 14 9 CONNECHON O Mono FEC NOUNS usiusdocaso t eo Epp eism bo n xis aer Eia iit enel afe tede D emot teo 15 10 Connection to exunguishant OUEIDUL 2 eos aereo dl 15 LO T e1 7 61 ele WIP Aira P SX 15 10 29 RIN dractuator WIND CO A t 16 10 3 Setting up extinguishant monitoring CirCUlt coococccccccccccccnnnnancnnncnnnananan cra 16 AJUSTEN usa lata iii 16 FOr 20r More ee ee nmi pedee pa E nb dio base lali tdi 17 FOR DOF 2 aC tu iW ELI ET 17 11 Connection to remote control terminals ccoooccccccnccccnncocnnncnnncnonnnnnnnnnnannnnnnnnnnnnnnnnnnnoncnnnos 18 ipM 0 O22 MIDGE Uooy e TREE 18 18 Connection to Felay COMLACIS e 19 L3 dl Fault relay ecc abba pU E ECN 19 1322 LOCAL fre Teldy siue dede dba bea a E ped Ext ebd bois vale A tal ia 19 iow GIS Delay e T TERES 19 BAI vstagealdtTilessodsideienietebtdten a UELLE PS er Pee E IAM CAL Ex LEAL DM
25. To reset the panel insert the Enable key turn to the right then press the Reset button Latched inputs associated with extinguishant section will reset only after the duration timer has elapsed once the activated condition has been established 15 7 Zone fault Removal of a detector from it s base or a fault on any of the zone wiring will cause the Fau t LED and Zone Fault LEDs to flash indicating the zone in which the fault has occurred 15 8 Sounder fault A fault on the wiring to sounder circuits will cause the Fault and Sounder Fault LEDs to flash indicating a fault on the wiring to the sounder circuits 15 9 Power fault Failure of the mains power or disconnection of the standby battery will cause the Fault and Power Fault LEDs to light indicating an abnormality in the power supply to the control panel Product Manuals Man 1088 Sigma XT 26 Page 22 of 40 Note Indication of a mains failure may be delayed by 30 minutes by setting configuration option 2d 15 10 System fault The System Fault LED will light if the configuration memory has not been set or has become corrupt 15 11 General fault Will illuminate under any fault condition This LED will also light if the configuration option jumper see figure 18 has been left in the access level 3 position and the enable controls key has been removed from the front panel 15 12 Lamp test All LED indicators can be tested at any time by pressing the Lamp Test button The Enable
26. disable the Activated 2 stage relay output The 2 Stage Contact disabled and General Disablement indicators shall illuminate whilst the Activated relay is disabled 16 6 dc Disable extract fan relay Selecting dc shall disable the Extract fan output The Extract Fan Disabled and General Disablement indicators shall illuminate while the Extract Fan output is disabled 16 7 dt Disable manual triggering device manual release Selecting dt shall disable the Manual Release input The Manual Release Disabled and General Disablement indicators shall illuminate while the Manual Release input is disabled 16 8 dE Disable extinguishant release If the extinguishant release is disabled the pre release timer is never started and the extinguishant output is never asserted Note Extinguishant output faults are ignored while the extinguishant release is disabled 16 9 Ad Activate delays Selecting Ad shall make delays configured by access level 3 options COO to C09 active 16 10 Ac Operate extract fan output Pressing the enter button with Ac selected will toggle the extract output on and off Product Manuals Man 1088 Sigma XT 26 Page 26 of 40 17 Access level 3 configuration options The SIGMA XT control panel has many configuration options which can be set at the time of commissioning to suit the requirements of the installation These options are normally set once and will rarely need to change The configuration options are
27. e the Enable Controls keyswitch Enable the Write Enable Switch push to the right Access level 3 Wait for the General fault LED to illuminate Disable the Write enable switch push to the left Disable the Enable controls keyswitch The panel should return to the normal quiescent condition Qo re D If the panel fails to receive messages from a status unit or ancillary board after it has been stored in the configuration memory the internal comms fault LED will light and a fault condition will be displayed on the panel fascia The seven segment display on the panel will show the number of the unit that is disconnected and all LEDs on the status unit that is disconnected will flash Full details of status units and ancillary boards can be found in document K7247 02 Sigma XT otatus unit and Ancillary board operation and maintenance manual PANEL z EET POWER DATA POWER DATA POWER DATA POWER DATA POWER DATA POWER DATA ANCILLARY STATUS UNIT BOARD STATUS UNIT Figure 15 Wiring to status units and ancillary boards 15 Panel operation 15 1 Normal condition Under normal conditions control panels will have only the green Power On LED lit and either the Manual Only or Automatic and Manual LED lit The display will be blank The control panel has 3 access levels Access level 1 allows unrestricted access Access level 2 allows access only after operation of the front panel mount
28. ed Enable controls keyswitch and Access level 3 allows access after operation of the Write enable switch behind the front cover 15 2 Single zone Fire condition Upon receipt of a fire condition by activation of a detector or call point the Common Fire indicator will light and the zonal Fire indicators will flash at around 2Hz The fire and local fire relays will also operate and signal any systems to which they are connected Any sounders connected to the sounder circuits S1 amp S2 will operate If the zone that has activated is contributing to the extinguishant release sequence the First stage activated LED will light and the first stage relay contact will operate Product Manuals Man 1088 Sigma XT_26 Page 21 of 40 15 3 Double zone Fire condition Upon receipt of a second fire condition when the control panel is switched to Automatic and Manual mode the Hold input is not active and the Disable Extinguishant Sub system function has not been invoked the control equipment will respond as above and as listed below The second stage alarm output will operate Sounder circuit S3 The 2 stage contact will operate The release imminent indicator will operate The seven segment LED displays will indicate the time remaining until release in seconds e The extinguishant output will operate after the configured delay time and for the configured duration after which it shall de activate BO D When detection zones have act
29. eee OS 456821 201 DIODE BASE Apollo Must be used with LCMU ORB MB 00001 APO Apollo fe a a ORB DB 00003 APO Timesaver Diode Base Apollo A ORB RB 10004 APO Timesaver Relay Base Apollo NE ORB SW 10005 APO Apollo EA A A a A AA A AAA Z6 BS5 STANDARD ZITON AAA ZC6 CP1 CALL POINT ZITON hi ae eae et po 470 OHM MCP 1 CALL POINT KAC 470 OHM CALL POINT Fuleon eee NA E NCP T CALL POINT Nan L o O ELECTRONICS FREE BASES AW A Note LCMU Line Continuity Monitoring Device part number K1406 allows call points mounted down line of detectors that have been removed from diode bases to continue to operate Table 4 Compatible sounders Wde e Mamacuer Comments PANSHEE EEcTRONG VMPX wae BEcrmoNG VMPEX FRECRYERRANGE ELECTRONCVOCE VMPEX O o Koi Worms VMPEX Lu O ASKART RECTRONG FUiEN S RON ESOO F LEN savas T 2 roen SwPHoN TT 2 roen ELECTRONIC BELL T 2 FUiEoN o cesis MOTORISED FuiEN
30. eenie saga NU UU ED RUE 24 15203 DiSable exringuismant SUDSY SLOW rererere Sere sere are sere Fore su Puget Eua pareat but tele ua he sh satia eas 24 15 2026 Disable T stage COT eTo a sccenceiamiianaanadeaquf a a ca a a dU OI AERE id 24 13520 7 Disable e tage CONTO Ett dd 24 Product Manuals Man 1088 Sigma XT 26 Page 2 of 40 15 20 8 Disable manual release IHR Rhe hehehe nhanh reae reserare rennes 25 15 20 9 Disable extEacbTdl uade T pave vate ta etaed e EE A eee coria e rela 25 16 Access level 2 configuration OPTIONS ccceecccsseeceeeeecseeeceuseceueesseseecsusecsusessueesseueessusessueeseaes 25 LOL REC OSE ZOMG ria cacao 25 102 01 3 DISADIG ZONE iba ne er o et ete au PL d Abe db tede cbe Ra ebd haee ah eau bb e M RR d 25 16 5 rap Disable Tirst Stage SOUTDQGE Ss sas rnb reme dead 25 16 4 dP Disable pre activated first stage relay contact sss nmn 26 16 5 dA Disable activated second stage relay CONtACt oococcccccccncccccccanananannnnnnnnnn meme 26 16 06 Fac BIG T extracE Tan Tela added 26 16 7 dt Disable manual triggering device manual release esseeeee 26 16 8 LaE Disable extinguisnant Te l dsQs i osveaeo seen ret a oia pta fake ttv acts 26 LEOTA ACtValendelay i rr A a A EA 26 16 10 AC Operate extract fan Output dt ita 26 17 ACCOSS levels COMNGUFATION OPUS sener ali 27 TS
31. elected zone s triggered by detector only ZONE 3 ALARM FROM DETECTOR DELAYED Note Any combination can be selected pare AAA ee AAA ZONE 1 ALARM FROM CALL POINT DELAYED Sounder outputs will be delayed by time set at options ZONE 2 ALARM FROM CALL POINT DELAYED 0 9 when selected zone s triggered by call point only ZONE 3 ALARM FROM CALL POINT DELAYED Note Any combination can be selected ZONE 1 OPERATES THROUGH I S BARRIER Select only when detectors are connected via ZONE 2 OPERATES THROUGH I S BARRIER compatible I S barriers ZONE 3 OPERATES THROUGH I S BARRIER Note Any combination can be selected FERE AAA AAA ZONE 1 SHORT CIRCUIT INDICATES ALARM Changes the trigger threshold of the zone so that the ZONE 2 SHORT CIRCUIT INDICATES ALARM control panel can be used on older systems that had no ZONE 3 SHORT CIRCUIT INDICATES ALARM short circuit monitoring Note Any combination can be selected EA AAA AA A A A T ZONE 1 NON LATCHING Renders the zone self resetting so that it can be used to ZONE 2 NON LATCHING receive signals from other systems and will reset when ZONE 3 NON LATCHING the input is removed Note Any combination can be selected CA1 Z1 DEVICE ALARM MUST BE PRESENT FOR 30 Input delay SECONDS Note Any combination can be selected CA2 Z2 DEVICE ALARM MUST BE PRESENT FOR 30 SECONDS Product Manuals Man 1088_Sigma XT_26 Page 28 of 40 CA3 Z3 DEVICE ALARM MUST BE PRESENT FOR 30 SECONDS E00 PANEL CAN BE RESET IMMEDIATELY DISCHA
32. eries when the main power source is disconnected is 3 Amps Battery leads are supplied wired to the PCB along with a link to connect the two batteries in the accessory pack It is most important that the polarity of the batteries is carefully observed when connecting Wrongly connected batteries could cause damage to the control panel Caution RISK OF EXPLOSION IF BATTERY IS REPLACED BY AN INCORRECT TYPE DISPOSE OF USED BATTERIES ACCORDING TO THE INSTRUCTIONS USE METAL GLANDS FOR MAINS CONNECTION ALL CABLE ENTRIES KEEP MAINS WIRES AS SHORT AS 7C POSSIBLE AND SECURE ALI WIRES TOGETHER CLOSE TO TERMINAL BLOCK WITH A CABLE TIE D C ww C X As rE MAT Extinguichant Le Pressure EXTINGUISHANT RELEASE RED On OF ORON ON Or Ors Or O a OR OR On Os Om Om Om OS OF Ole OSS OS 12V7 Ah BATTERY 12V7 Ah BATTERY Figure 20 Mains and battery connections GREY Product Manuals Man 1088 Sigma XT_26 Page 34 of 40 21 Maintenance SIGMA XT control panels do not require any specific maintenance but should the control panel become dirty it can be wiped over with a barely damp cloth Detergents or solvents should not be used to clean the panel and care must be taken that water does not enter the enclosure The control panel contains sealed lead acid batteries to provide standby power in the event of mains failure These batteries have a life expectancy of around 4 years It i
33. ge relay 2 stage alarm output and extinguishant release output can be disabled together by selecting dE from the access level 2 options See section 16 15 20 6 Disable 1 stage contact The first stage contact can be disabled by selecting configuration option dP See section 16 15 20 7 Disable 2 stage contact The Second stage contact can be disabled by selecting configuration option dA See section 16 Product Manuals Man 1088 Sigma XT 26 Page 24 of 40 15 20 8 Disable manual release The Manual release facility can be disabled by selecting configuration option dT See section 16 15 20 9 Disable extract fan The extract fan output can be disabled by selecting configuration option dc See section 16 16 Access level 2 configuration options Turn enable keyswitch to get to access level 2 OPERATION Press Mode button until the required function as detailed below appears in the 7 segment displays For zonal tests or disablements press the Select button to scroll to the required zone number then press enter The select dot at the bottom of the display will flash to indicate a test or disablement is active For sounder disablements and other functions press the Select button until the required function is displayed then press enter to activate that function The select dot will flash to confirm the setting as above t1 3 Test Zone 1 3 d1 3 Disable Zone 1 3 db Disable 1st Sta
34. ge sounders dP Disable Preactivated 1st stage relay dA Disable Activated 2nd stage relay dc Disable Extract Fan output dt Disable Manual Release inputs dE Disable Extinguishant sub system Ad Activate sounder Delays Ac Activate extract output 16 1 t1 3 Test zone Selecting t1 t2 or t3 puts zones 1 2 or 3 respectively into test mode Zones that are in test mode shall automatically reset 3 seconds after they have operated The Test Mode On and zonal fault test disablement indicators shall illuminate while any zone is in test mode 16 2 d1 3 Disable zone Selecting d1 d2 or d3 disables zones 1 2 or 3 respectively Disabled zones shall not report fire or fault conditions The General Disablement and zonal fault test disablement indicators shall illuminate while any zone is disabled 16 3 db Disable first stage sounders Selecting db will disable the first stage sounder outputs The General Disablement and Sounder fault Disablement indicators shall illuminate while the first stage sounders are disabled Product Manuals Man 1088 Sigma XT 26 Page 25 of 40 16 4 dP Disable pre activated first stage relay contact Selecting dP shall disable the Preactivated 1 stage relay output The 1 Stage Contact disabled and General Disablement indicators shall illuminate whilst the Preactivated relay is disabled 16 5 dA Disable activated second stage relay contact Selecting dA shall
35. h will operate if the pressure in the cylinder falls below a set point This will happen after the extinguishant has been released but may happen before release through a leak When this input is operated the Low Pressure Indicator will light The Fault Relay will operate and the flooding zone fault indicator will light and the buzzer will sound The pressure switch input can be configured as normally open or normally closed via configuration option C2C software version 1 2 and above only 15 16 Test mode Fire alarm systems must be tested regularly to ensure that they are functioning correctly The system can be tested single handed by using a test mode When in test mode activation of a fire alarm will be automatically reset after a few seconds to eliminate the need to return to the control panel to reset after every activation Test mode is entered in a similar way to disablements With the Enable Control key inserted press the Mode button until t appears in the first of the seven segment displays Then press the Select button until the required zone number appears Pressing the Enter button will cause the Test and Zone Fault LEDs to illuminate indicating the zones which are in test mode Disablements and zone tests are cleared by repeating the sequence that is used to select them i e the db function for example toggles between sounders disabled and sounders enabled Product Manuals Man 1088 Sigma XT 26 Page 23 of 40 Note The panel
36. health when properly used An article is not regarded as properly used if it is used without regard to any relevant information or advice relating to its use made available by the supplier This product should be installed commissioned and maintained by trained service personnel in accordance with the following IEE regulations for electrical equipment in buildings ii Codes of practice i Statutory requirements iv Any instructions specifically advised by the manufacturer According to the provisions of the Act you are therefore requested to take such steps as are necessary to ensure that you make any appropriate information about this product available to anyone concerned with its use This equipment is designed to operate from 230V 50Hz mains supplies and is of class 1 construction As such it must be connected to a protective earthing conductor in the fixed wiring of the installation and a readily accessible double pole disconnect device meeting the requirements of EN60950 IEC950 which disconnects live and neutral simultaneously shall be incorporated in the fixed wiring Switch disconnect devices such as MK Sentry 63A or similar are suitable for this Failure to ensure that all conductive accessible parts of this equipment are adequately bonded to the protective earth will render the equipment unsafe This control panel is environmental class A and is designed for indoor use only at temperatures between 5 C 3 and 4
37. ia a normally open switch or contact and via a resistance of no greater than 100 ohms All of the remote control inputs are non latching TOTAL RESISTANCE LESS THAN 100 OHMS SILENCE ALARM SWITCH SOUND ALARM SWITCH lSM lla IW 1S AOM Figure 14 Example connections to remote control inputs 12 Aux 24V DC supply An auxiliary 24V DC supply is provided to enable local signalling or control of ancillary systems such as door release controllers The terminals for the Aux 24V supply are labelled Aux 24V and ROV The ROV terminal is the negative terminal and is the same terminal that should be used to switch the remote control terminals It is possible to make the ROV terminal pulsing so that by connecting it to the AL terminal via a remote volt free contact it can be used to pulse the dedicated sounder circuits in response to a signal from another system for example to give an alert See programming code C25 The supply is fitted with an electronic self resetting fuse rated at 0 5 Amps to protect the control panel s 24V supply in the event of a wiring fault Any standing load on the Aux 24V supply must be taken into account when calculating battery standby times as standby time will be significantly affected by even modest standing loads It is recommended that the Aux24V output is not used to power standing loads Where the Aux 24V supply is used to power electromechanical devices such as relays or door retainers it is imperative that a
38. ing to actuators 10 3 Setting up extinguishant monitoring circuit All control panels are supplied with end of line diodes for the connection of solenoids It should not be necessary to adjust the fault monitoring circuit in this configuration unless the panel fails to report a short circuit fault when tested by shorting the end of line device If igniting actuators are to be used then the set up procedure detailed here should be followed To enable monitoring of circuits that have a very low resistance which varies according to the number of actuators fitted and cable length it is necessary to adjust the monitoring level once the actuators have been fitted This is done using a variable resistor which is accessible through the front of the control panel Make sure the extinguishant output is not active and no other faults are displayed when carrying out this setting up procedure i e panel is in the quiescent state Adjustment Rotate the extinguishant adjust control anticlockwise to illuminate the Fault lamp anticlockwise gt ON Rotate the extinguishant adjust control clockwise to extinguish the Fault lamp clockwise gt OFF Product Manuals Man 1088 Sigma XT_26 Page 16 of 40 For 3 or more actuators Rotate the extinguishant adjust control until the Fault lamp lights By rotating the extinguishant adjust control back and forth the Fault lamp can be toggled on and off this is usually between 1 4 and a turn Establish these
39. ivated and the activated condition is reached i e the release imminent indicator is lit it shall not be possible to reset the extinguishant section of the panel until the discharge duration timer has elapsed 15 4 Manual Release Upon operation of the front panel mounted manual release button monitored manual release input or a manual release input from a status unit and when the control panel is switched to Automatic and Manual mode the Hold input is not active and the Disable Extinguishant has not been invoked the control equipment will respond as above In addition to the No extinguishant delay option setting the option 00 at access level 3 it is possible to set a delay for the automatic detection and no delay when a manual release input is operated This is done by setting option 28 at access level 3 15 5 Silence sound alarms The Silence Sound alarm button can only be operated at access level two which means that the Enable Control key must be inserted and turned to the right To silence the sounders insert the Enable Control key turn to the right and press the Silence Sound alarm button When the sounders have been silenced the Zone Fire LEDs will change from flashing to a steady state Pressing the Silence Sound alarm whilst the control panel is in this silenced condition will cause the sounders to operate again The sounders can be toggled on and off with the Silence Sound alarm button as required 15 6 Reset
40. ld of the cable must be bonded securely to the enclosure via the metal gland Wiring should enter the enclosure at the top or back of the panel using the knockouts provided and be formed tidily to the appropriate terminals Terminals are capable of accepting wires of up to 2 5mm Wiring must not go across the front of the circuit board If cable entries need to be in positions other than at the knockouts provided wiring must be fed behind and well away from the surface of the circuit board The space at the bottom of the enclosure is largely occupied by the standby batteries so this must be borne in mind when considering cable entries x2 X1 PNS A TRST A NS NC CNC C NO NC C NO NC C NO E aL REMOTE CONTROL DATA POWER Si S2 ZONE ZONE ZON38 2ND 1StSTA 2fbstaE mow uA HaD EXTING LOW EXTRACT FAULT RLY LOCAL FIRE FIRERLY PRES STATUS UNITS 1ST STAGE 0 SELECT HEL SE SWITCH SEN SOUNDERS 8 FIRE IN ZONE 0 COMMON POWER EXTINGUISHANT 5 OW PRESSURE wis FIRE FAULT HRE ASED auna SRTR t illa RELE ASE ZONEFAULT TEST Me MANUAL DELAY ON GENERAL 1STS TAGE 1STS TAGE AUTO MANUAL FAULT DISABLEMENT CON bu amp MANUAL ONLY REDE TEST MODE SYSTEM 2ND STAGE OLD ON FAULT CON Acl ATE D GENERAL ALARMFAULT EXIRACT FLGODING DISABLEVENT WARNING SILENCED FAN ZONE FLT 0 DIGO DIGI DIC2 0 FIF E Le t lo AILENCE
41. n be selected Delays will only be activated by selecting the Ad option in the Access Level 2 User menu Co4 SOUNDER DELAY TIME 4MINUTES A o al 71 amp Z2 DETECTORS TRIGGER AUTOMATIC RELEASE Coincidence detection selection options C12 Z2 amp Z3 DETECTORS TRIGGER AUTOMATIC RELEASE Only one option can be selected AUTOMATIC RELEASE RELEASE C16 Z1 OR Z2 OR Z3 DETECTORS TRIGGER AUTOMATIC pese Z1 DETECTORS TRIGGER AUTOMATIC RELEASE Z2 DETECTORS TRIGGER AUTOMATIC RELEASE Z3 DETECTORS TRIGGER AUTOMATIC RELEASE A A a DISABLE FIRE BUZZER C24 DISABLEEARTHFAULTMONITORING SO C25 PULSE ROV OUTPUT OOOO INDICATE EXTING RELEASED WHEN EXTING OUTPUT Rather than upon receipt of signal from flow switch IS ACTIVE Allows extinguishant output to be reset before IMMINENT PHASE countdown timer has expired for testing commissioning SIGNAL released rather than upon a fire condition Extinguishant output remain on after release until panel is reset from software version 1 2 onwards only C2C LOW PRESSURE SWITCH NORMALLY CLOSED Low Pressure switch input normally looks for open contact closing on activation enables normally closed switch to be used from software version 1 2 onwards only DELAY MAINS FALI INDICATION BY 30 MINUTES Cancelled if battery Low fault is indicated ZONE 1 ALARM FROM DETECTOR DELAYED Sounder outputs will be delayed by time set at options ZONE 2 ALARM FROM DETECTOR DELAYED 0 9 when s
42. n of the remote AL input The relay will remain activated until the panel is reset 13 4 1 stage alarm The first stage alarm will operate upon activation of a zone that has been configured to contribute to the extinguishant release decision and will de activate only when the panel has been reset This relay will also operate upon activation of the panel mounted or a remote manual release switch 13 5 2 stage alarm The second stage alarm relay will operate when the panel enters the activated condition i e the release countdown timer has started and will de activate only when the panel has been reset from the released condition 13 6 Extract relay The extract relay will operate when option Ac is selected at access level 2 This provides a means to vent a room of extinguishant gases but prevents the gases from being vented during a discharge Product Manuals Man 1088 Sigma XT 26 Page 19 of 40 14 Connection and configuration of status units and ancillary boards The control panel should not be powered during the connection of status units or ancillary boards Status units and ancillary boards require a four wire connection from the panel which drops into each unit and connects to the corresponding data and power in and out terminals Two of the cables carry power to the units 24V and the other two carry data A four core cable suitable for carrying RS485 data should be used If this is a twisted pair cable then one twisted pai
43. ndicate a common fault condition within the extinguishant section of the control panel Product Manuals Man 1088 Sigma XT_26 Page 32 of 40 19 16 Tell tale Indicates that either panel mounted or remote manual release button has been pressed Can only be reset by pressing processor reset and W DOG reset or powering down the control panel Product Manuals Man 1088 Sigma XT_26 Page 33 of 40 20 Power supply The control panel requires a 230V 10 15 50 60Hz AC mains power supply which connects to the fused terminal block labelled 230V The fused terminal block contains a 20mm F1 6A L250V fuse which should only be replaced with a similar type The output voltage of the power supply is 28V DC 2V and the total current rating including a maximum 0 7A for battery charging is 3 Amps Fuse F12 mounted on the circuit board is a self resetting electronic fuse rated at 4 Amps The incoming mains cable should be routed well away from other lower voltage wiring by a distance of at least 50mm Mains wiring should include an earth conductor which is securely bonded to the building earth and should enter the enclosure as close as possible to the mains terminal block Mains wires should be kept very short inside the enclosure and secured together close to the mains terminal block with a cable tie The control panel can accept sealed lead acid rechargeable batteries of up to 7Ah maximum capacity The maximum current drawn from the batt
44. olarised type If non polarised sounders are used the control panel will permanently show a fault condition See table 4 for a list of compatible sounder types Sounder circuits are monitored for open and short circuit faults by placing a 10K end of line monitoring resistor across the last device on the circuit Sounder circuits must be wired as a single radial circuit with no spurs or T junctions to enable the monitoring circuit to work correctly A maximum of 1 6 Amps is available for powering sounders with a maximum load of 0 5 Amps on any one circuit POLARISED POLARISED SOUNDER SOUNDER 10K end of line resistor Figure 7 Sounder circuit wiring Product Manuals Man 1088 Sigma XT_26 Page 13 of 40 8 Using intrinsically safe barriers SIGMA XT control panels support the use of l S barriers for connecting to equipment in hazardous areas Only certified detectors call points and sounders may be used in hazardous areas and these must be connected to the control panel via a compatible I S barrier as listed in table 5 Connection of the I S barrier changes the characteristics of the detection circuit so zones that have l S barriers connected must be adjusted to work with them Programmable options C61 to C63 allow each zone to operate with l S barriers The amount of detectors and call points that can be connected to a zone is limited by the l S approval system diagram which should be supplied by the detector manufacturer The
45. oo Emo Figure 3 Front panel fascia The fascia is divided into two sections A standard EN54 2 control and indicating equipment section with three zones and an EN12094 1 extinguishant system section with extinguishant status and disablements separated for clarity The pushbutton controls and programming facilities are common for both sections Product Manuals Man 1088_Sigma XT_26 Page 10 of 40 4 1 Removing the fascia Open the control panel lid using the 801 lock key Before the fascia can be removed it will be necessary to disconnect the power connector terminal block on the left hand side of the PCB This is fitted on pins and can be pulled towards you to remove it Do not remove the wires from the terminals The fascia of the control panel is held in place by two screws Undo the two screws and lift the fascia gently away from the box towards you With the fascia removed there is much more room inside the panel for making off and dressing cables When cabling work is complete the fascia can be re fitted with the two countersunk screws and the terminal block plugged back onto the pins on the board POWER CONNECTOR TERMINAL BLOCK S EV OOO Y OOO DOOOOOOOOOOOOOOOO0OOO000O0000000000000000000000O0O000000 E _ __E A em A A A _ KK AA AA A A A AA i AX DATA POWER EL UEI JWE DOMES 6 3HD STAGE MN HOLD EL PRES EXTING ems EXTRACT F
46. ordance with European standards EN54 2 and EN54 4 Fire Detection and Fire Alarm systems Control and Indicating Equipment and EN12094 1 Fixed firefighting systems Components for gas extinguishing systems Part 1 Requirements and test methods for electrical automatic control and delay devices The control equipment is a combined fire alarm control panel and extinguishing system and has three detection zones any or all of which are capable of contributing to the extinguishant release decision Control panels have an integral mains powered battery charger and power supply designed in accordance with the requirements of EN54 4 In addition to the requirements of EN54 2 the control panel has the following facilities Test condition to allow the automatic resetting of zones in alarm for testing purposes EN54 2 Section 10 option with requirements Delay of the actioning of fire alarm devices Sounders so that an alarm may be verified before a premises is evacuated EN54 2 Section 7 11 option with requirements Fire alarm devices to enable an audible warning to be sounded throughout premises upon the detection of a fire condition or the operation of a manual call point EN54 2 Section 7 8 option with requirements In addition to the requirements of EN54 2 all control panels have voltage free relay contacts for fire and local fire which operate upon a fire condition These are to be used for local control and signalling In addition to the
47. points and leave the extinguishant adjust control set with the Fault lamp just off Check the Fault lamp lights when shorting the extinguishant output end of line device and the lamp goes out when the short is removed Repeat several times to check for reliable operation If the fault lamp is delayed going off or doesn t go off then slightly adjust VR2 clockwise and repeat this paragraph If nuisance tripping occurs then adjust the extinguishant adjust control clockwise in steps of 5 minutes as per a clock face until the nuisance tripping stops Be sure to check after each adjustment that shorting the extinguishant end of line device will illuminate the Fault lamp and removing the short extinguishes the Fault lamp For 1 or 2 actuators Values between 2 ohms and 5 ohms can be detected and a fault level set but the adjustment is very fine and may be difficult to set the lower the value the finer the adjustment Rotate the extinguishant adjust control until the fault lamp lights By rotating the extinguishant adjust control until back and forth the fault lamp can be toggled on and off this is usually about 1 2 a turn of the extinguishant adjust control until Establish these points and leave the extinguishant adjust control until set with the Fault lamp just off Short circuit the Extinguishant end of line device and wait for up to 20 seconds for the Fault lamp to light if it doesn t remove the short and tweak the extinguishant adjust cont
48. power rating of the end of line resistor will be dependent upon the Zone classification rating Gas class this will be specified on the system diagram SAFE AREA HAZARDOUS AREA I S DETECTOR l S CALL POINT MTL5561 6K8 END OF LINE RESISTOR POWER RATING WILL DEPEND UPON ZONE CLASSIFICATION NOTE Active End of Line Devices LCMU must not be used in the Hazardous Area MAXIMUM NUMBER OF DEVICES ON ZONE SPECIFIED IN SYSTEM DIAGRAM Figure 8 Detection zone wiring through an MTL5561 I S barrier SAFE AREA HAZARDOUS AREA I S I S POLARISED POLARISED SOUNDER SOUNDER MTL7778ac 10K END OF LINE RESISTOR POWER WILL DEPEND UPON ZONE CLASSIFICATION S YO ZS IS MAXIMUM OF TWO SOUNDERS PER SOUNDER CIRCUIT Figure 9 Sounder circuit wiring through an MTL7778ac l S barrier Product Manuals Man 1088 Sigma XT 26 Page 14 of 40 9 Connection to monitored inputs Monitored inputs Mode select manual release Hold Released pressure switch and Low pressure switch have the same characteristics as detection zone inputs and require a 6K8 end of line monitoring resistor and a nominal 470 ohm trigger resistor PRESSURE SWITCH REL PRES oW 470 i 6K8 OHMS i Figure 10 Example of wiring to a monitored input 10 Connection to extinguishant output The extinguishant output is capable of supplying up to 1 Amp for the maximum duration to a solenoid or 3 Amps for 20 milliseconds to an igni
49. r should be used for the data connections and the second pair used for the power connections Each status unit has a 3 bit DIL switch and must be allocated a unique address between 1 and 7 Each ancillary board has a 3 bit DIL switch and must be allocated a unique address between 1 and 7 Ancillary DIL Switch The address switch is located on the bottom left hand corner of the status unit or ancillary board PCB Note The address is only read when the boards are first powered so address switches should not be altered on a system that has power applied If a double address occurs on the system then the system will illuminate the General fault and Hold indicators and the buzzer will sound The panel display will show the status unit or ancillary boards that have the same address e Switch ONUP e Switch ON UP 14 1 Adding new status units ancillary boards When the system is powered it will search for connected status units and or ancillary boards When new or additional status units ancillary boards are added to the system these will be shown on the display when the system is first powered Status units are shown as Pux and ancillary boards are shown as Pox where x is the address of the unit found The select key can be used to view all of the status units ancillary boards that the system has found These should be checked to ensure that the same number of devices that have been fitted are found by the system For the system
50. rol until anticlockwise about 2 minutes as per a clock face or less and then reapply the short Keep doing this until the fault lamp lights Once it lights check that removing the short Extinguishes the Fault lamp if it doesn t turn the extinguishant adjust control slightly clockwise Apply the short several times and make sure the fault lamp lights each time reliably if it doesn t repeat the above paragraph until it does TERMINATE EXTING W DOG PROC RESET WRITE RESET ENABLE EXTIN HOLD FAU M FAULT EXTINGUISHANT ADJUST CONTROL Figure 13 Extinguishant adjust control and Exting fault LED Product Manuals Man 1088_Sigma XT_26 Page 17 of 40 11 Connection to remote control terminals Some functions of the control panel can be controlled externally from the panel if required The external equipment operating inputs must be restricted by an access level 2 control as defined in EN54 2 The functions are abbreviated at the terminals block as follows a Remote 0 V supply ROV b Silence Alarm SIL Silences sounder outputs S1 amp S2 only c Sound Alarm AL Operates sounder outputs S1 amp S2 and not S3 d Fault FLT Generates a general fault and operates the fault relay e Reset RST Resets the system back to normal condition To activate these inputs the remote 0 Volt ROV supply must be connected to the input v
51. s recommended that these batteries be tested in accordance with the battery manufacturer s recommendations annually to determine their suitability for continued standby applications Testing of the extinguishant system should only be carried out by trained personnel and must be done with appropriate isolation measures in place to ensure that accidental discharge of the extinguishant agent is avoided Should the control panel become faulty the complete electronic assembly and front plate can be replaced To do this any configured options should be noted then both mains and battery power should be removed before the work is started The field wiring should be carefully labelled and removed from the terminals The power terminal block can be unplugged from the PCB by pulling it towards you The PCB can now be taken out of the panel by removing the 2 screws Fitting the new PCB is the reverse of the procedure for removing the board 22 Record of configuration Use the table below to record the configuration codes that have been set on the control panel for future reference Place a tick in the box for any configuration options that are set It is recommended that a copy of this table is left with the control panel under the supervision of the person responsible for the fire protection system NOTE Setting the options marked with asterisks does not comply with EN54 2 OPTIONS C00 SOUNDER DELAYTIME 30SECONDS Cot SOUNDER DELAY TI
52. suppression diode is fitted across the coil of the device to prevent the generation of high voltage transients back to the control panel power supply Product Manuals Man 1088 Sigma XT 26 Page 18 of 40 13 Connection to relay contacts Volt free changeover relay contacts are provided for local control and signalling if required These contacts are rated for switching signalling circuits only and the maximum ratings listed in table 1 should not be exceeded under any circumstances Typically the Aux 24V output of the control panel is switched through these relays and used to control other systems 13 1 Fault relay The fault relay is normally energised and will de energise upon any fault condition including total loss of power These also include the following inputs and monitored circuits Low Pressure Input Active Low Pressure Fault Zone Fault Sounder Fault Ext Output Fault Fault FLT Remote Input Active Battery Fault 13 2 Local fire relay The fire relay will energise upon activation of a fire condition on any of the zones or pressing of the sound alarm button on the front panel The relay will remain activated until the alarm is silenced or the panel is reset This relay will not operate upon activation of the remote AL input 13 3 Fire relay The fire relay will energise upon activation of a fire condition on any of the zones or pressing of the sound alarm button on the front panel This relay will not operate upon activatio
53. t Monitoring of the status of components Emergency hold device Control of flooding Manual only mode Triggering of equipment outside the system Activation of alarm devices with different signals Response delay activated condition maximum 3 sec Response delay triggering of outputs maximum 1 sec Install in accordance with Operation and Maintenance manual Man 1088 Power rating 230V AC 1A 50Hz Mains terminal fuse F1 6A L250V Disconnect power before servicing Lab 1078 B2505 Product Manuals Man 1088 Sigma XT 26 Page 39 of 40 24 Commissioning instructions 24 1 Before applying power to the panel the extinguishant device solenoid or igniting actuator must be physically isolated from the system by disconnecting both wires to it This will prevent any accidental release of extinguishant 24 2 When power is applied if all connections are correct only the green Power On and either the Automatic and Manual or Manual Only indicators should be lit If any fault indicators are lit the wiring to the appropriate input or output should be checked an all faults cleared before proceeding 24 3 Once the panel is fault free it can be configured with the desired options as described in section 17 24 4 Once the panel has been configured the system should be thoroughly tested to ensure that the control panel responds as expected and required 24 5 After satisfactory testing any final connections should be
54. ting actuator The wiring for solenoids and igniting actuators is different as shown below Igniting actuators of different types or from different manufacturers should not be mixed on the same circuit 10 1 Solenoid wiring Solenoids must have a resistance of greater than 30 ohms to ensure that the maximum current rating of the extinguishant output is not exceeded Solenoids should be fitted with a suppression diode to prevent EMF generated by the solenoid when it de energises from causing interference to the operation of the control panel This diode also acts as the end of line monitoring device SOLENOID 30 OHMS DIODE 1N4004 EXTING MINIMUM BAND END TO Figure 11 Example of wiring a solenoid Product Manuals Man 1088 Sigma XT 26 Page 15 of 40 10 2 Igniting actuator wiring A maximum of four igniting actuators can be wired in series If only one or two actuators are fitted a 2R2 2 5 Watt resistor must be wired in series with them to provide the correct monitoring resistance The end of line diode can be discarded when igniting actuators are used 3 OR 4 ACTUATORS WIRED IN SERIES MAXIMUM OF 4 To guarantee firing under all conditions the total resistance of actuators monitoring resistor and cable should not exceed 7 ohms 9NIDG 4 1 OR 2 ACTUATORS WIRED IN SERIES FIT 2R2 2 5W RESISTOR IN SERIES WITH ACTUATORS IF ONLY ONE OR 2 ACTUATORS ARE FITTED 9NIDG 4 Figure 12 Example of wir
55. until d appears in the first of the two seven segment LED displays The Select button should then be pressed to select the number of the zone which is to be disabled in the second of the two seven segment displays Once the desired zone is displayed the enter button should be pressed to confirm the disablement The Disable LED will light and the Zone Fault LED will light for each disabled zone Note When viewing disabled zones if the digit representing the zone number is flashing it means that there are activated devices in that zone and re enabling it will put the control panel into the fire condition The panel should be Reset before enabling any zone with a flashing digit on the seven segment display disablement indication 15 20 2 Disable sounders To disable sounder outputs press the mode button to select db on the seven segment display Pressing enter will disable all sounders and cause the Disable and Sounder Fault LEDs to light 15 20 3 Activate delays To activate delays on zones as set in configuration options 31 to 33 and 41 to 43 press the mode button until Ad appears on the seven segment LED display When the enter button is pressed any zones that are set as delayed will have their alarm outputs delayed by the time set in configuration options COO to C09 15 20 4 Disable fault contact The fault relay can be disabled by selecting configuration option C23 See section 16 15 20 5 Disable extinguishant subsystem The 2 sta
56. xfiststage 1 xsecond stage O o Adjustable 0 to 60 seconds 10 5secondsteps Ss Extinguishantrelease duration T Adjustable 60 to 300 seconde 1 5secondstepps O Zone normal threshold Allowable EOL 10Kohmto2Kohm Use6K8endoflieresisto Detector alarm threshold 1Kohmsto3900hms Nomin ltriggerresistance 470 ohms Call point alarm threshold 370 ohms to 150 ohms Nominal trigger resistance 270 ohms Short circuit threshold 130ohmstoO ohms OOOO Head removal condition 15 5to17 5volts 5 2wire detector base or schottky diode base Cabling FP200 or equivalent max capacitance 1uF max inductance 1 millihenry Metal cable glands must be used Monitored inputs normal threshold Allowable EOL 10K ohmto2Kohm TT Monitored inputs alarm threshold 2K ohms to 150 ohms 5 OOOO Monitored inputs Short circuit threshold 140 ohms to 0 ohms amp 526 gt gt gt Status unit Ancillary board connection Two wire RS485 connection EIA 485 specification Maximum of 7 units RS485 data cable EIA 485 specification Status unit power output 21 to 28V DC Fused at 500mA with electronic fuse 300 milliamp maximum load CoC a Product Manuals Man 1088 Sigma XT_26 Page 7 of 40 Table 2 Compatible detectors Moa INPS 1 TEA STE DFJ90 E DFJCES HEAT Hochiki SPBET O o BEAM Hehk Y

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