JustiFire Installation, Operation and User Manual
Contents
1. 21 6 5 2 Allow nien e exe edie Pe o lvo teas 21 6 5 3 Change Password dee tol co e tees 21 6 5 4 About Just Fire Mimic x eer EUREN IER EO REIR T Ie ERG SUO oe T 22 6 5 3 JustiFire Information iue eer dee dolce we Pens 22 630 Justi Fire ont he Eee 22 6 5 OL eo cic Rta 22 6 6 Changing the J stiFire Parameters o erect er RESTORE TREO RR 23 6 6 1 Changing the PTT 1 Options iiie eese teet eec et ateatancayetutaicedeestdenecbcentecehecstauaastancaleacdtatcueesvevecedee roga 23 6 6 2 Changing th PIT 2 4 Options iei i eee et eee dee rea Poe Ion de eno Se ea eaa EA eeu reve Due pns 23 6 6 3 Changing the Message Input 1 4 Options essent enne tne treni treten etre 24 6 6 4 Changing the Audio Input 1 4 Options essere eren ene ere tre treere trennen inneren ns 25 6 6 5 Changing the Voice Storage Options er rie nie tee e nde p ee jada sep d ea PR eis 25 6 6 6 Changing the Input Controller Options siseringi nennen ae ee a aa trennen inrer innen nns 27 6 6 7 Changing the Audio Controller Options seen entretient treten inrer enne 27 66 8 Changing th2. 19200 ad 38400 Slave ID 1 pr Figure 21 The Connections settings dialogue box 6 5 2 Allow Set up To gain access to and change the JustiFire configuration settings the user must first enable this option by clicking on the Allow Set up menu option When active a tick will appear when this menu option is viewed 6 5 3 Change Password The password function is currently inoperable JustiFire Installation Operation and Service Guide 21 6 5 4 About JustiFire Mimic This option displays the Mimic software version number 6 5 5 JustiFire Information This option displays further Mimic software release information 6 5 6 JustiFire IO This option displays a mixture of user and diagnostic information as shown in figure 22 and described as follows Reset count The number of times the DSP IC has been reset by the system watchdog Input Low Diagnostic Information Input High Diagnostic Information Links The current DSP links which are fitted FPGA The version of the FPGA IC fitted to the DSP card ADC A Diagnostic Information ADC B Diagnostic Information JustiFire 120 Reset Count po Input Low fr700 Input High Links 7700 FPGA Emi ADCA Be ADCB por Figure 22 JustiFire IO information 6 5 7 Fault Control Selecting this menu option displays 2 options as shown in figure 23 which allow the user to override the normal fault handling procedures of the JustiFire syste
3. Check the mains supply to the JustiFire rack and any associated fusing Check circuit breaker CB4 is closed and the battery leads are connected correctly see section 4 3 JustiFire Installation Operation and Service Guide 38 10 Specification Cabinet Dimensions Height x Width x Depth 650 x 600 x 255mm 10Kg Mains Supply Voltage Voltage range 90 264V AC Frequency range 47 63Hz Current 0 75A Standby 2 5A with 250W load Battery Supply 2 x 12V 44Ah dimensions 200x170x 165mm Fire Panel Inputs 4 Channels delatch Support for volt free contact or 24Vdc voltage reversal Audio Inputs 4 Channels Support for Odb or 100V line audio input 24Vdc 100ma field power PTT input accepts volt free contact Zone Select Inputs 6 Inputs Accepts volt free contact Audio Outputs 6 Zones Dual 100V line outputs per zone support for O C S C amp earth fault detect Emergency Relay Contacts 2A 30V DC 0 5A 125V AC Max switch voltage 220V DC 240V AC Fault Relay Contacts 2A 30V DC 0 5A 125V AC Max switch voltage 220V DC 240V AC Certifications EN50130 4 1995 EN55022 1998 Class B 50081 1 1992 EN61000 3 3 1995 EN61000 3 2 1995 Al A2 Complies to BS5839 Parts 1 4 amp 8 JustiFire Installation Operation and Service Guide 39 11 Appendix A Message Definitions Evacuation Message D1 VMO0005 Tone Attention please This is a fire emergency please evacuate the building by the nearest
4. Clicking on one of the amplifier rectangles on the main display produces the dialogue box as shown in figure 35 This dialogue box allows adjustment of the parameters controlling the 30 Hz monitoring for the chosen amplifier The individual monitoring parameters are Set Point This slider sets the trip point below which a monitoring failure alarm will be raised subject to the Fault Timeout option setting Scale The current level of the monitoring tone can be measured by selecting each scale option in turn until the peak of the signal is displayed Fault Timeout This option sets the time the monitoring level must remain below the trip point before a monitoring failure alarm will be raised Amp 1 30Hz Level x Current Level BI Scale 3 C 040 C 0 1000 C 0 50 C 05000 C 0400 C 010000 0500 D 50000 0 Seconds 100 Seconds Fa ult Timeout Li Li i i 1 i 40 i i Figure 35 Amplifier 1 Set up dialogue box 6 6 9 Changing the Emergency Options Clicking on the Emergency icon displays the Emergency dialogue box as shown in figure 36 This dialogue box provides an overall summary of which inputs to the system have been classified with an Emergency status and allows this status to be changed Emergency Ea Emergency Cancel Lotes PIT4 Msg Msg2 Msg3 Msg4 Figure 36 Emergency Set up dialogue
5. inputs are suitable for driving an LED with a suitable dropping resistor To power external equipment with 24Vdc use the table of figure 14 to fit the appropriate links The operating sense of the PTT switch inputs may be configured using the Mimic software see section 6 Software configuration using the Mimic Audio Termination PCB Termination PCB Termination PCB Termination PCB Input Version 72694004 Version 72694004 Version 5173031 Version 5173031 Channel 24Vdc active 24Vdc inactive 24Vdc active 24Vdc inactive Fit links Remove links Fit links Remove links J38 J39 J38 J39 JP17 JP18 JP17 JP18 J34 J35 J34 J35 JP15 JP16 JP15 JP16 J30 J31 130 J31 JP 13 JP14 JP13 JP14 J26 J27 J26 J27 JP11 JP12 JP11 JP12 Figure 14 Audio input 24Vdc configuration links 4 2 5 Connecting to the Emergency Relay A set of volt free relay contacts are provided on the termination PCB see figure 9 to allow external monitoring of an emergency condition Two isolated contacts are supplied each with a normally open normally closed and a common terminal connection Check the electrical specification section 10 before connecting external equipment to these contacts 4 2 6 Connecting to the Fault Output Relay A set of volt free relay contacts are provided on the termination PCB see figure 9 to allow external monitoring of fault conditions Two isolated contacts are supplied each with a normally open normally closed a
6. a MILLBANK c JustiFire Installation Operation and Service Guide Contents AEA AAAA i BATEA 4 LV Introduction 4 T2 OV eryieW aiios g ote enti estat ilies eats iita di eite gd 4 1 2 D The A dio INPUIS itc ied B wan 6 1 2 2 The Fire Panel Iterf ce ees E ettet in d RES dte nde made 7 1 2 3 The Digital Signal Processor DSP and Digital Message 7 12 4 The Power Amplifiers eis rere eee ee amp 1 2 5 The Audio Output Zones and the Loudspeaker Circuit Fault Detector esee 9 1 2 6 The Fault Reporting System creeis aga in a ioi aa ai 9 1 2 7 The Battery Charb ek sooni iae te P 10 1 2 8 The Power Supply pea ess 10 1 2 9 The Cabinet ettet e e Te 10 2 Unpacking M 11 3 Mechanical Installation scssssssssscsssssssscsscsscsscsersesssssessessscesescsscescsssssssssssssensessnssassaseasecescssscssesssssssssessonsssessessassasscesessnesseses 12 4 Electrical Installation ccccssssssssssscssssssscsscsssssssensessssssssessscsscscsssessesssssssssessensessnssassassnsecescs
7. selectable via a volt free contact Closing the appropriate contact pair will switch through the highest priority audio to the matching A and B outputs as figure 5 4 2 3 Connecting to the Fire Panel Inputs The fire panel input terminals are located on the termination PCB as shown in figure 9 Five channels are provided each configurable for two different modes of operation volt free and voltage reversal The fifth channel operates as a de latch control for momentary input signals The operating sense of these inputs may be configured using the Mimic software see section 6 Software configuration using the Mimic Option A 24V Voltage reversal mode This wiring method is necessary for the system to be compliant with BS5839 Pt 8 For this mode of operation ensure the links listed in the table of figure 11 are removed WARNING Failure to set these links correctly will result in system malfunction and may result in system damage Connect the Fire Panel leads to the FP and FP Com terminals on the appropriate JustiFire 5 pin block If the JustiFire unit is the last device on this loop from the fire panel connect an End Of Line resistor as shown in figure 8 see fire panel documentation for details of resistor value To Fire Panel To Fire Panel End of Line Resistor Figure 8 Voltage Reversal End of Line Termination JustiFire Installation Operation and Service Guide 14 Fault Relay Te
8. 26 The default parameter settings for PTT1 4 and Message 1 4 inputs 6 6 3 Changing the Message Input 1 4 Options Clicking on any of the Message icons displays an options box as shown in figure 27 Message Input 1 Setup Ea Friorit D Cancel Sense i Active Low C Active High Bing Bong C Bing Ding Bong C Bong Bing Emergency Broadcast Bong Ding Bing Figure 27 PTT1 options dialogue box The individual message input parameters are Priority The priority of this Message input relative to the other and also the PTT 1 4 inputs may be selected Sense The sense of the Message input can be selected to be active high or low Emergency Broadcast This option will cause an active Message 1 input signal to generate an emergency broadcast Chime This allows for the selection of various pre announcement chimes JustiFire Installation Operation and Service Guide 24 6 6 4 Changing the Audio Input 1 4 Options Clicking on any of the Audio input icons displays an options box as shown in figure 28 Each audio input is equipped with the option to select the fault monitoring method and a gain control allowing the volume level to be set adjusted Selection of the required fault monitoring tone will bring up a further window to allow the fault monitoring to be set up as shown in figure 29 Audio Input 1 Setup Ea Volume z E 0 Seconds 100 Seconds a Fault Timeout _ i 3 3 1 Min 14
9. available exit Do not use the lifts go to the assembly area System message store 1 DSP IC ref J1 csum 05BAC67A Alert Message DIVMO0006 Tone Tone Tone Attention please We are investigating an alarm condition It may be necessary to evacuate the building Please stay on alert and await further information System message store 2 DSP IC ref J2 csum 04A3C0C4 All Clear Message D1 VMO0003 Bing Bong May I have your attention please may I have your attention please The safety systems are now back to normal Thank you for your co operation and we apologise for any inconvenience System message store 3 DSP IC ref J3 csum 059 0 88 Test Message DIVMO0004 Bing Bong This is a test of the public address system This is a functional test for operation loud loudspeaker coverage signal level and speech intelligibility System message store 4 DSP IC ref J4 csum 06467B84 Format wav file 12kHz Mono wave signed 16 bit maximum length 40 seconds JustiFire Installation Operation and Service Guide 40
10. by using the A and W keys to alter the number between 00 and 09 Once the first number is set press the ENTER key to highlight the second number Likewise set the second and third numbers and after the third number is selected and the ENTER key pressed if a valid password has been entered a key symbol will appear in the bottom right hand corner signifying protected mode The display will now show a list of options available with the lt symbol indicating the current choice as shown in figure 40 Accept Fault Clear Fault Figure 40 Display of Top Level Menu Other options in the list include Event Log Set Date Set Time Accept Timeout New Password DSP Links DSP Resets and Exit JustiFire Installation Operation and Service Guide 30 The A and V keys are used to scroll up and down the list of options and the ENTER key is used to select the chosen option If a valid password is entered the system will remain in protected mode for two minutes without the need to re enter the password After the two minutes have elapsed the system will automatically return to the original System Healthy or Current Fault display and the key symbol will disappear Likewise if an invalid password is entered the system will also return to the original System Healthy or Current Fault display 7 5 Accepting a Fault or What to do when the fault buzzer sounds e Read the det
11. incoming power live Brown neutral Blue and earth Green located in the top of the box in the centre of the back panel A domestic 13 Amp 3 core cable is suitable A dedicated 3 Amp spur should be used for the supply and it may be preferred to use a fire resistant cable for this purpose Ensure that the cable is disconnected from the mains before beginning termination The cable should be brought into the cabinet through a suitable gland or grommet mounted in the top face ensuring that the cable will not chafe on the side of the entry It should be noted that due to the comprehensive self monitoring functions of JustiFire both internally and for the connected peripherals if the unit is powered up with the associated field equipment connections incomplete the unit will immediately generate one or more alarms IMPORTANT Ensure the unit is properly earthed 4 2 Connection of peripherals All external signal connections are made to the Audio distribution PCB see figure 7 and the Termination PCB see figure 9 4 2 1 Connecting to the Audio Outputs The JustiFire system provides terminations for 6 audio output zones with each zone having an A and B audio output pair The position of these audio outputs on the audio distribution PCB are shown in figure 7 Each pair of terminals is suitable for connecting a loudspeaker spur so each amplifier can drive a minimum of one and a maximum of 6 zones t is recommended that loudspe
12. the A and W keys Note A setting of 0 disables resetting while the factory default setting is 24 hours i e the Accepted faults will be reset to On after 24 hours and the buzzer re sounded Accept Timeout 24 00 00 Figure 45 Display of Accept Timeout JustiFire Installation Operation and Service Guide 32 e Press ENTER to save this new setting Save Changes Y A NY 8 Figure 46 Display of save Accept Timeout e Press the A or W key to save the new Timeout or not as shown in figure 46 If Y is selected the display will confirm if the Timeout has been saved OK as shown in figure 47 Upon pressing ENTER or if N had been previously selected the display will return to the previous protected mode menu Save OK 24 Hours ENTER to Exit Figure 47 Display of Save OK message 7 10 Changing the User Password e Enter protected mode and choose New Password as described in section 7 4 e As described previously in section 7 4 the password consists of three numbers and each number can be set in turn when it is highlighted by using the and W keys and once set the ENTER key is used to move on to the next number as shown in figure 48 e When the third number is set and the ENTER key is pressed the display will return to the previous protected mode menu New Password 00 00 00 Figure 48 Display of New Password Entry e The
13. time during installation ensure the reverse sequence is adopted i e disconnect the black battery lead first After connection the batteries should be covered with the cloth cover to protect the battery connections from external electrical shorts JustiFire Installation Operation and Service Guide 18 5 Powering up the JustiFire for the first time Before applying power to the JustiFire unit some final assembly is required Insert the two amplifier modules into the card frame behind the door The amplifier modules are heavy and should be handled with care to avoid mechanical damage The modules should slide freely in the mounting rails of the frame and only require slight pressure to finally locate enabling each module to be secured via the four fixing screws INFORMATION To remove any of the sub rack modules slacken the module retaining screws and pull out the module using the module extraction key provided Apply mains power to the unit and switch on the four circuit breakers in quick succession The JustiFire unit should adopt a standby status as defined in the table of figure 17 If the unit adopts a none standby status and registers one or more alarms then refer to section 7 Operation to proceed with processing and clearing them Figure 17 Standby Indication LCD Indicator Panel LCD displays System Healthy correct date amp time POWER ON LED illuminated Amplifier Module A TOP POWER ON AC
14. to activate this emergency relay The relay is fail safe such that failure of the power supply or the control system will be indicated as an emergency 1 2 3 The Digital Signal Processor DSP and Digital Message Stores The Digital Signal Processor and the four Digital Message Stores are contained on the same PCB The DSP handles all signal routing fault detection and playback of messages On power up the DSP enters fallback mode completes a self diagnostic routine and looks for a link JP8 set on the PCB indicating that the factory default is required or that the configuration EEPROM is not valid If either of these conditions is true the DSP will load the configuration EEPROM with the factory default configuration A link on the PCB will allow write enable to the EEPROM There are four message stores each with configurable priority and chime Each message store can store a message of up to 40 seconds in length Each message has three configurable playback options one shot continuous or intermittently repeating A non latching option is also provided but should not be used for compliant systems The factory default configuration is shown in the table of figure 26 in section 6 6 2 Changing the PTT2 4 Options The Fault Detection Messages are shown in the table of figure 4 JustiFire Installation Operation and Service Guide 7 Component Fault Message AMPLIFIER A POWER FAIL AMPLIFIER A SIGNAL FAIL AMPLIFIER A 30Hz
15. unit should only be undertaken by personnel with the appropriate electrical and mechanical qualifications When selecting a suitable mounting point consider the following points The JustiFire unit is IP63 rated and must be mounted in a suitable environment area out of direct sunlight and not directly exposed to heat or sources of ignition The unit should have free ventilation around it and the ventilation openings in the case should not be blocked or restricted Ensure that the wall is physically strong enough to bear the unit and suitable mounting bolts are used to secure it Avoid metal swarf or dust from entering the unit when drilling the wall for mounting WARNING weight of the JustiFire unit with batteries fitted is 7OKg Extreme care should be taken when lifting the unit to avoid personal injury The mounting location should be chosen to provide convenient routing of mains and signalling cables to the top of the JustiFire cabinet Refer to figure 6 for the recommended mounting position The unit should be mounted so that the front door display is at eye level SAAS POSITION OF WALL 4 MOUNTING HOLES 10 58 FLOOR PLANE Figure 6 Recommended Mounting Details JustiFire Installation Operation and Service Guide 1 2 4 Electrical Installation 4 1 Connection of mains power The power supply required is a clean 110 240 Volt 50 60Hz The unit is provided with three terminals for
16. 0 oj 1 1 010101 1 AM o lt T Audible tone No tone The loudspeaker circuit fault detection works on a DC monitoring principle An end of line resistor must be fitted at the end of each loudspeaker circuit and the loudspeakers must be fitted with a de coupling capacitor Please note Emergency Broadcasts will automatically go to ALL zones 1 2 6 The Fault Reporting System The fault indicator is integrated with a Liquid Crystal Display LCD The LCD module communicates with the DSP and reports any fault detected These faults are stored in a log the operator can then retrieve the log and inspect the last 100 logged faults The fault reporting system provides the following e On detecting any fault the LCD or DSP activates a sounder the sounder provides a minimum of 50dBA SPL at any point one metre around the cabinet in normal operating conditions i e cabinet door closed e On receiving a fault the System Fault LED begins to flash On receiving a fault the LCD indicates the nature of the fault or faults received If more than 1 fault is present the display will show the first fault 1 of n n is the number of faults received e The sounder and LED continue to be active until all the faults have been accepted The fault report will not re set itself in the case of intermittent faults e On choosing the fault accept option password protected the sounder
17. 4V tog Battery Charger od t DC Line Monitoring DC Line Monitoring Common Fault Relay 1 1 1 24V Lb TE w Em L 2 x Batteries i LI E pa E B af E ISC E ISC Detector NPN Emergency Relay too ONE SON NE eee Loudspeaker Access Control JustiFire Installation Operation and Service Guide Circuit A Zone 1 Circuit Loudspeaker Zone 1 User Interface ui Circuit A Zone 2 Loudspeaker Zone 2 User Interface Zone 3 a Circuit B Loudspeaker Zone 3 User Interface ag Circuit A Zone 4 K Circuit B Loudspeaker Zone 4 User Interface a Circuit A Zone 5 10 Circuit Loudspeaker Zone 5 User Interface Circuit A Zone 6 aq Circuit B Loudspeaker Zone 6 User Interface LI 5 1 2 1 The Audio Inputs Input pre amplifier router This provides an interface with external signal sources A variety of different inputs are catered for including microphone music source and 100 line systems When interfacing with 3 party equipment the required methods of fault monitoring will vary so the equipment has the flexibility to cope with all of the most common variations Audio Input Specifications The input interface has four line level galvanically isolated i
18. 7 11 Viewing the DSP Links Information nnne nnns 34 7 12 Viewing the number of DSP resets n RR EU ERES eee RE EE 35 7 13 Exiting the Protected Mode Men eee ete Ee eR ENSE RO REACH RENE EE EARN E E 35 7 14 Keypress Timeout sni ec HERI RU TINI TERI UAE ERE GER GT ARRIERE RATIS IEEE 35 8 Servicing amp MAM lem ance oni D 36 8L Daily Checks 6n ae ae tob cst e 36 8 2 Weekly CHECKS e ERE RR n EE as a ete ILE RI tee es 36 8 3 Quarterly reete Hee e ttu quique eigen eet ede e ER code Re De e dees 36 8 4 Five Yearly Maintenance i ete eene el e tb eig ede eii eerte e ELEC EIE Re EUR teed edes 36 9 Troubleshooting 37 9 1 No Audio Output from the System aede cco 37 T NoMicrophone Audio eei M 37 9 1 2 No Message Audio stude abe Iu dan 37 9 2 Alarm Messages cese teo pater e e eite et edi ui E 38 9 2 1 Circuit Fault Monitoring Alarms Open CCT s Short CCT s amp Earth Faults sss 38 9 2 2 System Fault Monitoring Alarms sese eere ethernet rennen tete tre tete treni trennen enne n
19. 8 GECGEE Figure 28 Audio input options dialogue box Figure 29 Audio input monitoring options dialogue box The individual monitoring parameters are Set Point This slider sets the trip point below which a monitoring failure alarm will be raised subject to the Fault Timeout option setting Scale The current level of the monitoring tone can be measured by selecting each scale option in turn until the peak of the signal is displayed Fault Timeout This option sets the time the monitoring level must remain below the trip point before a monitoring failure alarm will be raised 6 6 5 Changing the Voice Storage Options Clicking on any of the four VSM Voice Stored Message icons displays a dialogue box as shown in figure 30 The primary slider option allows for the volume of the individual message to be adjusted while the buttons on this window also allow for message recording and functionality options Clicking the Message button produces a dialogue box as shown in figure 31 INFORMATION Fit jumper JP9 to enable the overwritting of the existing messages by the downloading of a wav file Remove JP9 for normal operation thus eliminating memory corruption JustiFire Installation Operation and Service Guide 25 SM 1 Setup SM 1 Setup Figure 30 VSM options dialogue box Figure 31 VSM set up options dialogue box The individual message functions are Load Sound From File Save Sound To Fil
20. CESS and SELECT LEDS illuminated Amplifier Module B BOTTOM POWER ON ACCESS and SELECT LEDS illuminated CFM Module All Indicators off Termination PCB COMMON FAULT FP DELATCH ALARM 1 4 and PTT1 4 illuminated Note All other module LEDS off unless stated otherwise Standby indication may change with software configuration When the unit has adopted a standby status for the first time it is recommended to set up the current date time and user password via the front panel keypad see Operation section JustiFire Installation Operation and Service Guide 1 9 6 Configuration Using the MIMIC Software 6 1 General The Mimic software is a PC based set up program which provides a quick tool for both configuration of the user defined parameters and monitoring of the JustiFire system The mimic program will run on a Pentium based PC with a 9 pin serial port and the Windows 95 or later operating system 6 2 Set up With the JustiFire unit powered down configure the jumper J17 on the DSP card to PC RS232 and fit jumpers JP10 CONFIG EEPROM WRITE and JP9 FLASH WRITE and then replace in the rack Alternatively if the DSP has RUN CONFIG switch set it to the CONFIG position and the KEYPAD PC switch to the PC position Connect the PC serial port to the serial connector on the front of the JustiFire DSP card using a 9 pin one to one straight through male
21. Enable monitoring on audio input 3 FITTED for standard JustiFire operation Enable monitoring on audio input 4 FITTED for standard JustiFire operation 200W option enables extra PSU faults UNFITTED for standard JustiFire operation FITTED VeriFire UNFITTED JustiFire Enable fallback mode UNFITTED for standard JustiFire operation Enable message synchronisation UNFITTED for standard JustiFire operation Cold start resets config EEPROM to factory defaults and disables watchdog reset UNFITTED for standard JustiFire operation Figure 51 DSP link details JustiFire Installation Operation and Service Guide 34 7 12 Viewing the Number of DSP Resets e Enter protected mode and choose the DSP Resets option as described above in section 7 4 e In order to comply with BS5839 Part 8 the system indicates how many times the DSP has been internally reset since it was last powered up as shown in figure 52 Resets 000 ENTER to Exit Figure 52 Display of DSP Reset Count e When the ENTER key is pressed the display will return to the previous menu 7 13 Exiting the Protected Mode Menu From the protected mode menu upon choosing the Exif option as described in section 7 4 the system will return to the original System Healthy or Current Fault display 7 14 Keypress Timeout Whilst in protected mode if a key is not pressed within 30 seconds the system will automatically return to the original System Healt
22. FAIL AMPLIFIER B POWER FAIL AMPLIFIER B SIGNAL FAIL AMPLIFIER B 30Hz FAIL LS CIRCUIT A SHORT LS CIRCUIT A OPEN LS CIRCUIT A EARTH LS CIRCUIT B SHORT LS CIRCUIT B OPEN LS CIRCUIT B EARTH AUDIO INPUT 1 FAIL AUDIO INPUT 2 FAIL AUDIO INPUT 3 FAIL AUDIO INPUT 4 FAIL MESSAGE 1 FAIL MESSAGE 2 FAIL MESSAGE 3 FAIL MESSAGE 4 FAIL MAINS SUPPLY FAIL BATTERY LOW or DISCONNECTED BATTERY HIGH CHARGER FAIL SERIAL COMMS FAIL DSP RESET OCCURRED DISPLAY RESET OCCURRED Figure 4 The Fault Detection Messages e Any detected fault causes the common fault relay to de energise energised healthy this may be used to indicate a fault to external equipment e Activation of any message store or input designated as an Emergency Broadcast causes the Emergency relay to de energise energised no emergency signal being used This may be used to mute external equipment if required e The DSP looks for the presence of a fault monitoring tone default 30Hz superimposed on the audio input signals and audio output signals as set via the PC Mimic program and in hardware Any fault detected will be reported to the fault reporting system within 100s of occurrence e The DSP scans the message store and PTT inputs On receipt of a valid route request the DSP connects the input or message to the audio output provided no higher priority request exists A talk now signal will be given associated with the active audio input e The DSP is able
23. This gives a system over view and provides access to the main user configurable options in the system General Mimic information and set up is accessed through the top menu where as specific JustiFire parameters are accessed by clicking on the appropriate symbol in the main area of the screen Alternatively if communications with the JustiFire rack is not established the user will be presented with the display of figure 19 In this case check the PC COM port configuration and the serial lead connections JustiFire Installation Operation and Service Guide 20 fo Untitled JustiFire Mimic Connection Setup Help JustiFire Information JustiFire O JustiFire Debug Fault Control Audio Input 1 Fault Audio Input 2 Emergency Audio Input 3 Fault Audio Input 4 PEARL AL LR Lspeaker Cct 1 Power Fai Open Cet 30H2 rai Short Cct ram Audio Controller Signal Fail Earth Fault Comms Fail a s 7 W dog Timeout u u u Short Cet Earth Fault Mains Fail Battery Low r Delatch Ready Figure 20 The main Mimic screen 6 5 The Menu Options 6 5 1 Connection Settings If the PC serial COM port will not support the default settings of COM1 and 19200 Baud rate then these may be changed to those shown in figure 21 Press the OK button to confirm the new settings Baudrate Port i 300 COM eno COM 2 Cancel 1200 COM 3 2400 COM 4 4800 seno Mimic ID fo
24. ails on the display and make a note of the fault description e If there is more than one fault then scroll through the faults using the A and W keys e Display the fault that is to be accepted e Enter protected mode and choose the Accept Fault option as described in section 7 4 The display will then ask whether the fault is to be accepted Y N as shown in figure 41 Accept Fault Figure 41 Display of Accept Options e Press the A or W key to accept the fault or not The display will then return to the list of current faults If the fault has been successfully accepted the third line on the current fault display for that particular fault will now read Accepted If all the current faults have been accepted the buzzer will now stop and the SYSTEM FAULT indicator will change from flashing to being continually lit If they do not then there is still a fault to be accepted so continue to scroll through the list to find this unaccepted fault e Arrange for appropriate repair maintenance of the system Once all faults have been accepted the system allows up to 24 hours for the faults to be rectified The default setting for this Accept Timeout is 24 hours so in this case when the 24 hours have elapsed the Accepted faults are reset to On and the buzzer sounded again 7 6 Clearing a Fault or What to do when a fault has been fixed e Accept the fault as described in sectio
25. aker layout and connection to the JustiFire unit is made in accordance with BS5839 parts 1 4 amp 8 Audio Output Terminations Audio Output Zone Select Input Terminations Figure 7 Audio Distribution Termination Details JustiFire Installation Operation and Service Guide 13 WARNING When the JustiFire unit is operational 100V AC audio signals may be present on the audio output terminals Always ensure the JustiFire unit is isolated from the mains and battery supply at all times when connecting to the audio outputs or making adjustments to the external wiring It is recommended that loudspeaker cables are fully tested before connection to the JustiFire unit The cables should be free from open circuit short circuit and earth faults The impedance of each loudspeaker spur should be measured and recorded All external loudspeaker connections are monitored for fault conditions using DC so each loudspeaker requires a suitable blocking capacitor fitting locally and EOL resistor fitted across the last loudspeaker on the connected spur Note Recommended resistor value 56kOhms 0 5W Excessive loudspeaker loading will not damage the unit but it will mean that the battery and power supply capacity is no longer adequate to conform with the requirements of BS5839 4 2 2 Connecting to the Audio Output Zone Select Inputs The position of the audio zone select inputs are shown in figure 7 Each audio zone output is individually
26. are described and specified in general terms only It is necessary to consult the remaining chapters to enable installation and configuration With reference to the block diagram in figure 1 the JustiFire system can be divided into the following sections 1 2 1 The Audio Inputs 1 2 2 The Fire Panel Interface 1 2 3 The Digital Signal Processor DSP and Digital Message Stores 1 2 4 The Power Amplifiers 1 2 5 The Audio Output Zones and the Loudspeaker Circuit Fault Detector 1 2 6 The Fault Reporting System 1 2 7 The Battery Charger 1 2 8 The Power Supply 1 2 9 The Cabinet JustiFire Installation Operation and Service Guide 4 Audio Input 1 1 PTT1 O D Audio Input 2 g E PTT2 Audio Input 3 A PTT3 p 3 D Audiolnput4 1 PTT4 ee I Alarm 1 i m Alarm2_ a Alarm3 8 s gt Alarm4__ Common Delatch 230VAC Power Suppl Live Neutral Earth Figure 1 JustiFire Block Interface Digital Signal Processor m mg m LCD Display and Fault Capture Diagram L Amplifier A L Fault Amplifier A fault 30Hz critical path monitoring A DC Line Monitoring a Loudspeaker Access Control 30Hz critical path monitoring B Amplifier B Amplifier B fault Fault Sounder i 2
27. ash and the LCD will become lit showing details of the current fault s as shown in figure 38 The first two lines show the type of fault the third line shows the current status of the fault On Latched or Accepted whilst the last line shows the number of current faults i e the first number shows the index of this particular fault while the second number shows the total number of current faults To view the other current faults use the A and V keys to scroll through the list DPU Comms Error On Fault 01 01 Figure 38 Display of Fault condition Faults which have come and gone without being accepted are designated as being Latched Also note that whilst the system has an unaccepted fault the buzzer will sound 7 4 Password Protected Mode The ability to accept or clear a fault to look at historical data or to change the date time or password can only be done in protected mode which is protected by use of a password From either the System Healthy display or the Current Fault display pressing the ENTER key will then illuminate the display which will then ask for a 3 number password as shown in figure 39 The password is user configurable and is initially set at the factory as 09 09 09 Enter Password 00 00 00 Figure 39 Display of Password Entry The password consists of three numbers with each number having a value between 00 and 09 Set the first highlighted number
28. box JustiFire Installation Operation and Service Guide 28 7 Operation The JustiFire is operated using the 3 keys on the front of the unit SCROLL UP V SCROLL DOWN and ENTER together with a 4 line Liquid Crystal Display LCD There are also four indicators LEDs on the front of the unit which together with a buzzer indicate the current status of the system in compliance with BS5839 Part 8 7 1 The Status Indicators 7 1 1 SYSTEM FAULT Yellow LED If the system is healthy fault free the SYSTEM FAULT indicator will be unlit In this case the LCD will also normally be unlit and the buzzer will be silent If the system has an unaccepted fault the SYSTEM FAULT indicator will flash In this case the LCD will be lit showing the current fault s and the buzzer will sound If the system has faults which are then all accepted then the SYSTEM FAULT indicator will change from flashing to being constantly lit In this case the LCD will remain lit showing the accepted fault s and the buzzer will be silenced 7 1 2 DISPLAY FAULT Yellow LED In normal operation the DISPLAY FAULT indicator will be unlit If however the display loses communications with the Digital Signal Processor DSP then it will become lit In this case the LCD will be lit showing a Comms Error the SYSTEM FAULT indicator will also be lit and the buzzer will sound 7 1 3 POWER ON Green LED The JustiFire requires a c
29. ceases and the fault LED changes to an illuminated state Any further new faults received cause the sounder to re start the LED to flash and the new fault to be placed in the fault log e fault has been logged and accepted not reset further occurrences of the same fault do not cause the sounder to re start e Once a fault has been rectified it can then be cleared When ALL faults have been cleared the System Fault LED will be turned off and the LCD will return to System Healthy e Any new detected fault causes the sounder to activate and the System Fault LED to flash e A connection is provided to a PC Mimic program to allow changes to the system configuration JustiFire Installation Operation and Service Guide 9 1 2 7 The Battery Charger A battery charger system is provided which is monitored in accordance with the requirements of BS5839 part 8 1 2 8 The Power Supply The power supply for the unit is a 2 Amp 350W nominal rating at 220 240V AC 4A at 110V AC This is adequate to supply the system and the amplifiers at the rated 250 Watts load and also to provide battery charging capacity in accordance with the requirements of BS5839 The power supplied to peripheral equipment such as microphone stations may have a substantial effect on the sizing of batteries and power supply Advice should be sought from the factory if peripherals are to be powered from the main unit 1 2 9 The Cabinet The equipment complete wi
30. e Play Sound File 1Khz Tone Intermittent 1Khz Tone Bell This feature allows the loading of a new message in wav format from a file of the users choice to overwrite the existing message This feature allows the existing message to be saved wav format to a file of the users choice This feature allows the user to play review wav sound files This feature replaces the current message with a constant 1Khz tone This feature replaces the current message with a continuous cycle of 1Khz tone for 1 second followed by 1 second of silence This feature replaces the current message with a bell tone Clicking the Timing button produces a dialogue box as shown in figure 32 Message 1 Timing Figure 32 VSM timing options dialogue box The individual timing functions are Hold Off Time Repeat Time This parameter controls the delay in seconds 0 255 after the message input becomes active before the message starts to play regardless of the Playback mode This parameter controls the delay in seconds 0 255 before the message repeats during Periodic Repeat Playback mode JustiFire Installation Operation and Service Guide 26 The Playback Mode options are Continuous This mode causes the message to play continuously with no inter message delay Periodic Repeat This mode causes the message to play continuously with an inter message delay set by the Repeat Time setting One Shot This mode causes the messag
31. e Amplifier Options 4 rr need eae efe irepl cud n rei 28 6 6 9 Changing the Emergency Options n die ee ede eie ai e e fe dee te co iude nem ttes 28 C 29 TA The Status Indicators 54r is ie ERROR IR UO RV UID DEI 29 TL System Fauli i ied oo UR RI diee 29 OH 29 JustiFire Installation Operation and Service Guide 2 LASS POWER ON maraena tae DU Sareea cman aaa PSA Medea 29 FAI QUIT ke rrr cst es Sect Pa 29 12 Normal Operation edicere oe ee qe bte tese lieet peii i iie e 29 7 3 On Receipt ofa Fault ager SRI RM tme ue pp ibn 30 WA Password Protected Mode iae E tete lebe eo dee e ree 30 7 5 Accepting a fault or What to do when the fault buzzer sounds sse 31 7 6 Clearing a fault or What to do when a fault has been 31 74 Naewing The EyentiEog dodi De Meri tee e ie ede A Reda 32 7 8 Setting the Date and a eiai ini 32 7 9 Changing the Timeout for the resetting of Accepted 32 7 10 Changing the User Password cccceccsseesseeeesseeseeeeeseeseeesecsceeseceeesecsessesnessesesecseeesecssessecseenaecaeeesecaeeeaecesecaesesecseeeaeceeeeseenees 33
32. e PC Mimic program a cascade priority can be set up The equipment is shipped with a factory default priority structure This is loaded on power up if link JP8 on the DSP card is fitted Further information on this is provided in the section on the DSP card JustiFire Installation Operation and Service Guide 6 1 2 2 The Fire Panel Interface Five Fire Panel Interface connections are provided These are designated as shown in the table of figure 3 Figure 3 Fire Panel Input Designations JustiFire Terminations Function PCB Identification Alarm 1 Message store latch 1 Alarm 4 Message store latch 4 See Appendix A for message definitions Each input is provided with a choice of two connection types These are by Voltage Reversal or by Dry Contact This option is set by links on the PCB The message can be active closed or active open this option being set using the PC Mimic program As default the messages have cascade priority over each other lowest number highest priority but this can be changed using the PC Mimic program and message priorities may be interleaved with audio input priorities Each alarm input is latching and will not de latch until the common de latch is active If the common de latch is active any message will start and continue whilst the input is active A set of relay contacts are provided to indicate emergency conditions Each input to the system PTT or Fire Panel can be set up via the PC Mimic program
33. e event type and the last line shows the status of the event Pressing the ENTER key will exit from the Event Log to the previous menu display 7 8 Setting the Date and Time Enter protected mode and choose either the Date or Time option as described in section 7 4 If the Date option is chosen the current system date is displayed e g 29 06 01 and likewise the Time option will display the current system time e g 14 25 31 As described previously in section 7 4 each number can be set when it is highlighted by using the A and W keys while the ENTER key is used to move from day to month to year or from hours to minutes to seconds Once either the year or the seconds have been set and the ENTER key pressed the operator is asked whether any changes are to be saved as shown in figure 44 Save Changes Y A NY 8 Figure 44 Display of Save Date Time Press the A or W key to set the Date Time or not If Y is selected the display will confirm if the Date Time has been saved OK The display will then return to the protected mode menu 7 9 Changing the Timeout for the resetting of Accepted Faults Enter protected mode and choose Accept Timeout as described above in section 7 4 The first number displays the current setting for the Timeout in hours the minutes and seconds are not currently used as shown in figure 45 The hours can be set from 0 24 by using
34. e to play once only Non Latch This mode activates the message during an active input only The Priority Block feature inhibits the playing of lower priority messages whilst a higher priority message is inactive pausing during the repeat time 6 6 6 Changing the Input Controller Options Clicking on the left hand box of the two boxes displayed centrally in the main screen produces the Controller Set up dialogue box as shown in figure 33 This dialogue box provides an overall summary of all the system input priorities previously defined and allows the priority of each to be changed Controller Setup n m Figure 33 Controller Set up dialogue box 6 6 7 Changing the Audio Controller Options Clicking on the right hand box of the two boxes displayed centrally in the main screen produces the Audio Controller Set up dialogue box as shown in figure 34 This dialogue box provides access Volume Control Figure 34 Audio Controller Set up dialogue box JustiFire Installation Operation and Service Guide 27 to all the volume control settings for the system components These are Inp1 4 The input levels of the audio inputs 1 4 591 4 The output levels of the messages 1 4 Chime The output level of the pre announcement and pre message chimes Output The output level of the selected system audio output audio input or message 30Hz level The output level of the 30 Hz monitoring signal 6 6 8 Changing the Amplifier Options
35. ee line termination 4 2 4 Connecting to the Audio Inputs The position of the audio inputs on the termination PCB is shown in figure 9 The JustiFire system provides four audio inputs each individually selectable for Odb or 100V line input signals These must be configured using the table of figure 13 depending on the required input level WARNING Failure to set these links correctly will result in system malfunction and may result in system damage Audio Termination PCB Termination PCB Termination PCB Termination PCB Input Version 72694004 Version 72694004 Version 5173031 Version 5173031 Channel OdB Operation 100V Operation 04 Operation 100V Operation Fit links Fit links Fit links Fit links J36 1 2 137 1 2 J36 2 3 137 2 3 JP25 1 2 JP26 1 2 JP25 2 3 JP26 2 3 J32 1 2 133 1 2 J32 2 3 J33 2 3 JP23 1 2 JP24 1 2 JP23 2 3 JP24 2 3 128 1 2 129 1 2 J28 2 3 129 2 3 JP21 1 2 JP22 1 2 JP21 2 3 JP22 2 3 J24 1 2 125 1 2 J24 2 3 J25 2 3 JP19 1 2 JP20 1 2 JP19 2 3 JP20 2 3 Figure 13 Audio input configuration links JustiFire Installation Operation and Service Guide 1 6 Each of the audio input channels provides a Press to talk PTT switch input a Talk now Tnow input a Busy input and a 24Vdc supply output These may be used to power and support external audio equipment such as a microphone as shown in figure 15 The Tnow and Busy
36. either of the two signal conductors and check for correct termination to the JustiFire rack Ensure the correct termination resistors are fitted to the loudspeaker circuits e Amp 2 Open CCT Check all external B loudspeaker circuits for open circuits on either of the two signal conductors and check for correct termination to the JustiFire rack Ensure the correct termination resistors are fitted to the loudspeaker circuits e Amp 1 Earth Leak Check all external A loudspeaker circuits for short circuits between either of the two signal conductors and screen or the earthed building metalwork Also check for correct termination to the JustiFire rack e Amp 2 Earth Leak Check all external B loudspeaker circuits for short circuits between either of the two signal conductors and screen or the earthed building metalwork Also check for correct termination to the JustiFire rack 9 2 2 System Fault Monitoring Alarms e Audio Input 1 4 Alarms e Amp 1 Power Signal Fault e Amp 2 Power Signal Fault e Amp 1 2 Audio Fault e PSU Mains Charger Fail e Battery Low Disconnected Check the audio 1 4 monitoring alarm set points see section 6 6 4 Check circuit breaker CB2 is closed and amplifier power lead TB4 is plugged into sub rack motherboard Check circuit breaker CB3 is closed and amplifier power lead TB6 is plugged into sub rack motherboard Check both the amplifiers monitoring alarm set points see section 6 6 8
37. female serial lead Power up the JustiFire unit and run the Mimic program INFORMATION Jumper J17 to PC RS232 on the DSP card or the switch to PC to allow mimic configuration or KEYPAD TTL switch to KEYPAD for normal operation Fit jumper JP10 or switch to CONFIG to change the configuration and fit JP9 to change the message store Remove both JP10 or switch to RUN and JP9 for normal operation Note During communications with the Mimic software the JustiFire keypad and fault relay will register a system fault which may be ignored 6 3 Operation On running the Mimic program the user will be presented with the option to run the Mimic in Real or Dummy mode as figure 18 In Real mode the Mimic software has control over the JustiFire configuration parameters and will display real time information where as Dummy mode is a standalone presentation of the Mimic screens with prefixed data To continue with system configuration select Real and press the OK button Comms Fault Timeout Frame Error Bad Slave ID Bad Master ID Bad Packet Length Real or Dummy Comms ee 940 otal T Bad Register Count i Bad Checksum Could Not Send Figure 18 Mimic mode dialogue box Figure 19 Display of Communication Errors 6 4 The Main Screen After selection of the Mimic mode the user will be presented with the main Mimic screen as shown in figure 20
38. hy or Current Fault display JustiFire Installation Operation and Service Guide 35 8 Service amp Maintenance The JustiFire unit requires little maintenance but for total system integrity the following service schedule in accordance with BS5839 Part1 1998 is recommended at the stated intervals 8 1 Daily Checks e Check the unit gives the correct standby indication and status as described in section 5 and figure 17 Check the System Fault LED see section 7 1 1 the LCD display and any external fault indication equipment if connected and if any fault is present investigate and remedy as required 8 2 Weekly Checks e Activate the system via the fire detection system and check for the correct output from all loudspeaker zones If any loudspeaker or zone proves inoperable or sub standard investigate and remedy as required e Perform a visual inspection of the batteries and the associated connections and ensure they are in good condition Remedy any defect as required 8 3 Quarterly Checks e Check the JustiFire cabinet seals for damage wear which may affect the units IP rating and overall immunity to the ingress of contaminates Ensure any ingress of contaminates is cleaned away and any damaged or worn seals are replaced e Check the JustiFire cabinet ventilation apertures are not blocked so as to maintain adequate ventilation for system cooling and battery charging Note Testing of the batteries at this interval i
39. m Fault Control x All Faults Accepted Figure 23 Fault control dialogue box The fault control parameters are All faults Accepted allows the user to take all outstanding unaccepted alarms to an accepted state and silence the JustiFire buzzer All faults Cleared allows the user to clear all accepted alarms JustiFire Installation Operation and Service Guide 22 6 6 Changing the JustiFire Parameters When the JustiFire is first installed the Mimic software can be used for configuration of all the JustiFire parameters A limited number of these non emergency based parameters may also be configured directly through the JustiFire keypad see Operation section where indicated WARNING When the JustiFire unit is powered up if jumper JP8 is fitted the unit will adopt the factory default parameters After any of the parameters have been changed ensure that the jumper JP8 on the DSP card has been removed before cycling the power otherwise the new settings will be overwritten by factory defaults 6 6 1 Changing the PTT1 Options Clicking on the PTT1 icon displays an options box as shown in figure 24 PTT 1 Setup x Priorit i Cancel Sense Chime Active Low 9 None C Active High C BingBong C Bing Ding Bong Silence Sounder C Bong Bing Emergency Broadcast Bong Ding Bing Figure 24 PTT1 options dialogue The individual PTT parameters are Priority The priorit
40. n 7 5 e Display the fault that is to be cleared e Enter protected mode and choose the Clear Fault option as described in section 7 4 The display will then ask whether the fault is to be cleared Y N as shown in figure 42 e Press the A or W key to clear the fault or not The display will then return to the list of current faults If the fault has been successfully cleared the fault should no longer appear in the list of current faults If all the faults have been cleared the SYSTEM FAULT indicator and the LCD will in normal operation be unlit and the LCD will display System Healthy e If the fault is still present the buzzer will sound and the fault should be accepted again Clear Fault Figure 42 Display of Clear Options JustiFire Installation Operation and Service Guide 31 7 7 Viewing the Event Log Enter protected mode and choose the Event Log option as described above in section 7 4 The Event Log contains the 100 most recent events and these can be displayed in turn by using the A and W keys to scroll through the list Each event is given a time stamp when the event occurred and is also given an index number in the list of 100 events as shown in figure 43 27 06 01 14 17 28 01 100 DPU Comms Lost Raised Figure 43 Display of Log The first line shows the date and time at the moment the event occurred together with the index number The second and third lines show th
41. nd a common terminal connection Check the electrical specification section 10 before connecting external equipment to these contacts OV COMMON PIT Switch Figure 15 Audio input termination of external microphone JustiFire Installation Operation and Service Guide 17 4 3 Connection of the Lead Acid Batteries Two 12V lead acid batteries are supplied to provide a 24Vdc battery backup facility These are packed separately and require both mechanical and electrical installation The batteries locate into the bottom of the JustiFire cabinet and are held in position with the retaining clamp and nut supplied as shown in fig 16 Battery Retaining Clamp Interconnecting Busbar Black Wire Red Wire Battery 1 Negative Battery 2 BLACK Positive RED Battery 1 Battery 2 Positive RED Negative BLACK Figure 16 Battery Clamping and Connection Details WARNING Before making any of the battery connections careful note should be made of the polarity of the individual batteries relative to each other and the battery charging leads see figure 16 Extreme care should be taken not to short the battery terminals to each other or the JustiFire chassis Connect the two batteries together in series with the interconnecting bus bar and bolts supplied Ensure the JustiFire circuit breakers CB1 CB4 are all OFF and connect the red battery lead first followed by the black If the batteries require disconnecting at any
42. new password then needs to be confirmed before it is saved in the system memory To confirm the new password select the New Password option again but this time it will ask for the password to be confirmed as shown in figure 49 Confirm Password 00 00 00 Figure 49 Display of Confirm Password Option e Enter the same password as before and this time if the two password entries match the new password will be committed to the system memory e Again when the third number is set and the ENTER key is pressed the display will return to the previous protected mode menu JustiFire Installation Operation and Service Guide 33 7 11 Viewing the DSP Links information Enter protected mode and choose the DSP Links option as described in section 7 4 The display will now show details of the eight DSP configuration links JP1 8 If the link is fitted there is a Y beneath the appropriate number and N if it is not fitted as shown in figure 50 DSP Links 123 45 6 7 8 YYYNNNNN ENTER to Exit Figure 50 Display of DSP Link Information DSP Links JP1 JP8 These links are inputs to the DSP and are used to control various software functions as described in the table in figure 51 When the ENTER key is pressed the display will return to the previous menu Link Ref JP1 JP2 JP3 JP4 1 5 1 6 1 7 P8 Function Enable monitoring on audio input 2 FITTED for standard JustiFire operation
43. nne 38 10 Specification P 39 11 Appendix A Message definitions eres eee eee eee eese eene 40 JustiFire Installation Operation and Service Guide 3 1 The JustiFire System 1 1 Introduction JustiFire provides a single channel six zone voice evacuation system It has been designed as the integral part of a BS5839 Part 8 and BS EN 60849 compliant system suited to use in small to medium size offices industrial facilities or similar establishments Compact wall mounted and self contained with a 24 hour battery back up JustiFire utilises a Windows based configuration program to provide ease of use in setting up the system to meet individual requirements Flexibility is designed into the equipment allowing larger installations to be catered for The main features are e Proven software package e Designed for BS5839 Part 8 and EN 60849 compliance e Six zone for paging music distribution evacuation e Single channel e 4 Message store 40s per message e Four analogue inputs for OdB or 100V line e Modular design e 85 efficient 250W class D amplifiers e Silent DC monitoring of loudspeaker circuits e compliance 1 2 Overview The following chapter provides an overview of the JustiFire system breaking it down into the main elements which
44. nputs An option is provided to fit attenuation for connection to 100V line systems Each audio input can expect a nominal OdBu input with a maximum headroom of 12dB any required limiting or compression will be done at source Each audio input has an input access control Press To Talk PTT These can be configured via a PC Mimic program to be normally open or normally closed The user will be required to provide a volt free contact for this operation Each audio input has one or two associated outputs to indicate the availability of that input a System Busy signal and a Talk signal as shown in the table of figure 2 PTT switch Talk Now 1 Talk Now 2 Talk Now 3 Talk Now 4 ON Figure 2 The System Busy and Talk Now Signals Audio input 1 is the default fireman s microphone and has the highest priority non configurable hence there is no requirement for a Busy 1 output Audio inputs 2 4 have configurable priority and hence require a Busy output Each audio input has a configurable chime Bing Bong etc and configurable fault monitoring options which are selectable via the PC Mimic program A link is provided on the DSP card JP1 2 and 3 for audio inputs 2 3 and 4 to allow the installer to disable fault monitoring for any input with the exception of input 1 which will always be monitored PC Mimic selection of fault monitoring modes 30Hz 20kHz 18kHz 22kHz Wide Band 30Hz 22kHz Using th
45. onstant 24 Volt DC supply to operate This is provided by the power supply unit in normal operation whilst in the event of a mains failure or a power supply problem the 24 Volts is provided by the battery backup two 12 Volt batteries So in normal operation or whilst using battery backup the POWER ON indicator will be illuminated 7 1 4 FALLBACK Yellow LED In normal operation the FALLBACK indicator should be unlit If however the DSP which contains the main control software fails in compliance with BS5839 Part 8 the Fireman s microphone can still be used and in this case the FALLBACK indicator will be illuminated Note that whilst in the FALLBACK mode only the Fireman s microphone is operative 7 2 Normal Operation Healthy State On power up assuming the system is fault free the LCD will be unlit and will display the current healthy status together with the current date and time which updates every second as shown in figure 37 System Healthy 27 06 01 14 05 31 Figure 37 System Healthy Status Also whilst healthy the SYSTEM FAULT DISPLAY FAULT and FALLBACK indicators will all be unlit and the buzzer will be silent The POWER ON indicator will be the only LED which is lit JustiFire Installation Operation and Service Guide 29 7 3 On Receipt of a Fault If a fault is received whilst the system is in a healthy state the SYSTEM FAULT indicator will start to fl
46. rminations Emergency Relay Terminations Fire Panel Input Terminations Audio Input Terminations Figure 9 Termination PCB Connection Details If there are other devices e g sounders further along this loop after the JustiFire unit then connect a continuing wire as shown in figure 10 To Fire Panel To Fire Panel To Sounder To Sounder Figure 10 Voltage Reversal Intermediate Line Termination JustiFire Installation Operation and Service Guide 15 Fire Termination PCB Termination PCB Termination PCB Termination PCB Panel Version 72694004 Version 72694004 Version 5173031 Version 5173031 Input Volt free Voltage Reversal Volt free Voltage Reversal Channel Operation Operation Operation Operation Fit links Remove links Fit links Remove links J14 J15 J14 J15 JP9 JP10 JP9 JP10 1 116 17 116 17 JP7 JP8 JP7 JP8 J18 J19 J18 J19 JP5 JP6 JP5 JP6 4 J20 J21 J20 J21 JP3 JP4 JP3 JP4 J22 J23 J22 J23 JP1 JP2 JP1 JP2 Figure 11 Fire panel input configuration links Option B Volt Free mode For volt free connections the links listed in the table of figure 11 require fitting Connect the contact between the NO NC and the FP COM terminals as shown in figure 12 WARNING Failure to set these links correctly will result in system malfunction and may result in system damage To Fire Panel Contact To Fire Panel Contact Figure 12 Volt Fr
47. s not required as the JustiFire system performs it s own periodic battery test 8 4 Five Yearly Maintenance e All wiring to from the JustiFire cabinet should be inspected checked as part of the buildings overall IEEE inspection and test requirement e Change both lead acid batteries ensuring the replacements are of a similar specification e Change the audio distribution PCB relays K1 K6 ensuring the replacements are of a similar specification JustiFire Installation Operation and Service Guide 36 9 Troubleshooting The following section describes remedies to installation and configuration issues If the fault is not listed or remains active contact your supplier for further assistance 9 1 No Audio Output from the System 9 1 1 No Microphone Audio If the microphone requires power from the JustiFire rack ensure the appropriate Field Power links are fitted see section 4 2 4 and figure 14 Ensure the appropriate PTT input is active and changes in this input can be seen with the appropriate PTT LED on the termination PCB Also ensure the PTT set up is correct paying particular attention to the signal sense see sections 6 6 1 and 6 6 2 Check the audio input level links are set correctly see section 4 2 4 and figure 13 Check the microphone volume setting is adequate see sections 6 6 4 and 6 6 7 If other audio channels are active check the overall priority structure see section 6 6 6 Check the target loudspeaker zone is selec
48. ssescesssosssssssonsessessessassassaesessnssceses 13 4 1 Connection of Mains ic ae a el Caen Ok heh Wee eee des 13 4 2 Connection of Peripherals n eee reed melee eee ed qe eerte nid 13 4 2 1 Connecting to the Audio Outputs sessi ee eren innen innen ennt enne nnne nnne erret 13 4 2 2 Connecting to the Audio Output Zone Select Inputs eese eene nnne nennen nennen nnne 14 4 2 3 Connecting to the Fire Panel Inputs eese eene eene nnne enne nennen tenen enne 14 4 2 4 Connecting to the Audio Inputs n E A S nnn 16 4 2 5 Connecting to the Emergency Relay 17 4 2 6 Connecting to the Fault Output Relay esses eene eene nnne nne enne eren nnne nr enne 17 4 3 Connection of the Lead Acid Batteries oe o eR E REPE MUR RERBA ERROR YR 18 5 Powering Up the JustiFire for the first eee eese eene eene tnnt oa stas essen sensns 19 6 Configuration using the MIMIC software eese eee eee eene eene tnnt nens tn season 20 6 1 Generdl i dio DR IURE Rte diei e ROI QI que mm 20 Pm PEE 20 6 3 Operation 2 E 20 6 4 The Mam Screen 52 aD RERO OU SU RW SR eit od 20 6 5 The Menu Options scies et GUERRE GI RERUM ACE TREE RENE AEG Eee iE 21 6 5 1 Connection Settings C
49. ted via the audio distribution inputs see section 4 2 2 and figure 5 If any amplifier or loudspeaker circuit alarms are present clear them down and review the microphone audio again see section 7 3 9 1 2 No Message Audio Ensure the appropriate fire panel input is active and changes in this input can be seen with the appropriate Alarm LED on the termination PCB Also ensure the fire panel input set up is correct paying particular attention to the mode of operation see sections 4 2 3 Check the message volume setting is adequate see sections 6 6 5 and 6 6 7 If other audio channels are active check the overall priority structure see section 6 6 6 Check the target loudspeaker zone is selected via the audio distribution inputs see section 4 2 2 and figure 5 If any amplifier or loudspeaker circuit alarms are present clear them down and review the message audio again see section 7 3 JustiFire Installation Operation and Service Guide 37 9 2 Alarm Messages 9 2 1 Circuit Fault Monitoring Alarms e Amp 1 Short CCT Check all external A loudspeaker circuits for short circuits between the two signal conductors and check for correct termination to the JustiFire rack e Amp 2 Short CCT Check all external B loudspeaker circuits for short circuits between the two signal conductors and check for correct termination to the JustiFire rack e Amp 1 Open CCT Check all external A loudspeaker circuits for open circuits on
50. th batteries is mounted in an IP63 rated wall cabinet with a swing door which is key locked The user terminations are all made onto 2 PCBs in the back of the box with the batteries located in the bottom of the box The modules for the system are mounted on a swing frame Only the LCD and keys can be accessed with the front door closed together with the LEDs which provide a backup function in the event of a failure of the LCD JustiFire Installation Operation and Service Guide 1 0 2 Unpacking The JustiFire unit is packed in 5 main parts JustiFire cabinet complete with internal sub rack Amplifiers x 2 Module extraction key 12V batteries x 2 Battery termination and clamping kit consisting of One x Interconnecting bus bar Four x M6 x 12mm bolts One x Clamping bar Check that the JustiFire packaging unit components are undamaged and complete In case of damaged or missing components inform your supplier immediately and do not proceed with installation To minimise handling weight it is not recommended to assemble the unit prior to mechanical installation IMPORTANT Do not attempt installation or operation of the JustiFire unit before reading the following installation guide and Fire Detection and Alarm Systems for Buildings BS5839 parts 1 4 amp 8 thoroughly For further information or support contact your supplier JustiFire Installation Operation and Service Guide 11 3 Mechanical Installation Installation of the JustiFire
51. to accept configuration data from a PC Mimic program which is connected via a RS232 serial line using the same port as for communications with the LCD e A write protect link is provided and should be removed whilst in normal operation to prevent corruption of the flash memories 1 2 4 The Power Amplifiers Limitations of the power supply and batteries dictate that the maximum audio power available is 250 watts per channel If the system is supplied from an auxiliary power supply higher ratings are possible Consult the factory for more information JustiFire Installation Operation and Service Guide 8 1 2 5 The Audio Output Zones and the Loudspeaker Circuit Fault Detector Audio output is arranged to provide six user selectable zones as shown in figure 5 PTT1 always has the highest priority and automatically selects all zone outputs where as if PTT1 is not active the highest priority audio source can be routed to the required zones Figure 5 The Audio Output Zones PTTI 4 ZAI Zone Zone Zone Zone Zone Zone Zone Zone Zone Zone Zone Zone ZA6 1A IB 2A 2B 3A 3B 4A 4B 5A 5B 6A 6B oxxx 000000 x doas p x a cet 100000 0 1 2 1 01000 MEMENM 0 TT 001000 000100 MENEEEM 1 0 000010 0000
52. y of the PTT1 input is fixed at the highest level as this is reserved for use with the fireman s microphone Sense The sense of the PTT1 input can be selected to be active high or low Silence Sounder This option will cause an active PTT1 input signal to silence the JustiFire buzzer Emergency Broadcast This option will cause an active PTT1 input signal to generate an emergency broadcast Chime This allows for the selection of various pre announcement chimes 6 6 2 Changing the PTT2 4 Options Clicking on the PTT2 4 icons give a similar set of options to that for PTT1 except the user has access to set the input priority but not the Silence Sounder option as shown in figure 25 JustiFire Installation Operation and Service Guide 23 PTT 2 Setup Ea Priorit b E Ei Sense i Active Low Active High Bing Bong C Bing Ding Bong C Bong Bing Emergency Broadcast Bong Ding Bing Figure 25 PTT2 dialogue box The default parameters for the PTT Inputs the Alarm Inputs and the Monitoring are shown on figure 26 Input Type Emergency Silence Default Monitoring Chime Broadcast Sounder Priority Audio Input I PTTI On On Fixed 30Hz Message Input 1 ec Ie Audio Input 2 PTT2 30 Hz None Off 3 M Mesem None Audio Input 3 PTT3 Off 30 Hz None Meas Troc eos Sal ae eee m None AudioInput4 PTT4 Off _ 7 None Mesagelput4 Off None Figure
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