AVAC Installation 6
Contents
1. CONTINUE DAISYCHAIN TO NEXT AVAC IF REQUIRED 1 l l l i MAIN s PCB 1 G66 Limit FireMic Page BGM T i 1 T 1 1 1 1 i 1 1 1 1 1 1 1 FireMic Page BGM Connect screen to OV at one end only To further outreach Turn clockwise Fit PLK1 to to increase attenuate background BGM signal background BGM signal by music volume by 10 1 if music volume 10 1 if required required MASTER AVAC ADDITIONAL MASTER OR SLAVE AVAC Turn clockwise Fit PLK1 to to increase attenuate plates if fitted APL OUTREACH PLATE FRONT Adjust input level control to suit the music source The audio limit LED illuminates red when the audio signal is being clipped due to the input or paging volume being set too high If this occurs adjust the level s accordingly until you are satisfied with the sound and the limit LED flickers red only very occasionally BGM SOURCE CD Tuner etc AVAC Installation and Maintenance Manual e Approved Document No DAU0000402 Rev 6 Page 21 AVAC VOICE ALARM SYSTEM CLASS CHANGE TIMER CONNECTION If required the AVAC s BGM input can also be used to provide a class change function for schools colleges etc To utilise this feature you will need a TPG5 tone pulse generator with chime and a TU16 programmable seven day multiple event timer unit These should be connected to the AVAC s BGM input directly2. AUX and Fire Mics will add to the current drain requirements Loudspeaker Monitoring Tone ies ale alan Os TERET 20 kHz Frequency reSpPOMsSe sasaa asde k nka aiaa a aE Taaa e EEA E 220 Hz to 6 2 kHz on Page and BGM AVAC Installation and Maintenance Manual e Approved Document No DAU0000402 Rev 6 e Page 32
3. Installation and Maintenance Manual e Approved Document No DAU0000402 Rev 6 e Page 23 AVAC VOICE ALARM SYSTEM DIGITAL MESSAGE SELECTION The digital message store PCB is located on the main PCB It comprises a non volatile solid state memory on which the Evacuate Alert and Test messages are stored in MP3 format an MP3 player and a volume control Message content The general characteristics of the Evacuate and Alert digital messages meet BS 5839 8 1998 and consist of a siren sound to attract attention brief silence the body of the message fol lowed by another brief period of silence before the message is repeated The PLK4 option links on the Main PCB can be used to select different message arrangements to suit various applications For example in single storey buildings fitting Message Link 1 will remove the statement Do not use a lift from all Evacuate messages whilst fitting Message Link 2 will report Evacuate or Alert conditions as situations rather than fires If the Test message facility is used fit ting Function Link 4 will prompt the system to broadcast The fire alarm test is now complete when the test trigger is removed A full breakdown of the messages available can be found later in this section Important To silence the Evacuate Alert and or Test Message e When the Conventional Interface is set to latching PLK4 link 3 fitted Operate the reset input e When the Conventional Interface is
4. Oo 00000987 Z 0000080 noS I r SSS B e O aS Knockouts should be ODO removed with a sharp tap in the rim of the knockout using a flat 6mm broad bladed screwdriver Fixing the base to the wall Using the five mounting holes provided see diagram below fix the base securely onto into the wall The mounting holes are suitable for use with No 8 10 or 4 5mm countersunk screws Assess the condition and construction of the wall and use a suitable screw fixing Any dust or swarf created during the fixing process must be kept out of the enclosure and great care must be taken not to damage any wiring or components Internal view of the back box with PCBs removed side view for flush mounting ra 420mm 7 115mm OOOO0 00 C 000000 A i A 0 CAUTION If mounting multiple AVAC masters or slaves ray next to each other take care to leave a gap of at least 80 mm between Q each of their bases to WALL allow their lids to swing AVAC Installation and Maintenance Manual Approved Document No DAU000040 Rev 6 Page 11 AVAC VOICE ALARM SYSTEM CONNECTING THE PANEL Connect AVAC s internal wiring immediately prior to commissioning and after you have refit ted the lid chassis mounting plate lid base connecting cable and earth straps by reversing the process described on page 10 Before connecting any wi
5. Wiring Regulations Other national standards of installation should be adhered to where applicable To comply with BS5839 8 we recommend the use of fire resistant cables for all life safety functions loudspeaker fire alarm interface emergency microphone and master to slave wiring Non life safety functions such as paging and background music can be wired using Cat 5 structured cable always wire Audio and Audio in the same twisted pair Always give due consideration to voltage drop All wiring should come into the enclosure via the knockouts provided and be fixed tidily to the relevant terminals For an overview of the connections required for the fire alarm interface loudspeakers emergency microphone paging background music equipment and slave AVACs please refer to the relevant sections later in this manual see Contents page 2 Note that correct cable glanding is essential and due regard should be paid to any system specifications which demand a certain cable type providing it meets the appropriate national wiring regulations AVAC Installation and Maintenance Manual e Approved Document No DAU0000402 Rev 6 Page 9 AVAC VOICE ALARM SYSTEM MOUNTING AVAC The enclosure can be surface or semi flush mounted see page 11 It comprises a hinged metal lid and metal back box containing all of the system s electronics To protect the electronics against damage during first fix installation most of the PCBs are l
6. find so at this point it is best to check which loud speakers are working and whether you think they are tapped correctly continues gt gt gt Connect a pink noise hiss generator such as a PNGN across the audio and pins of the AVAC Installation and Maintenance Manual e Approved Document No DAU0000402 Rev 6 Page 28 AVAC VOICE ALARM SYSTEM BGM background music input Adjust the BGM input level so that it can be heard but is not annoying If it is too loud the amplifier will cut off intermittently Walk the circuit listening to each loudspeaker in turn and assessing whether it is working and if it is set to the correct level 3 There may be one or more bad connections on the loudspeaker circuit A loudspeaker may be off intermittent or crackly A loose contact wire adds impendence to the circuit causing the EOL to be less effective 4 One or more loudspeakers may be mis connected A loudspeaker may appear to be connected but it doesn t work 100 volt loudspeakers have transformers with tappings and it is possible to connect them incorrectly When the circuit is tested with an impedance meter the reading is more than 167 ohms which appears to be acceptable but the load monitoring system will still detect the problem Apply the rule of halves Remove the end of line split the circuit at the middle connect the EOLD and attempt to recal ibrate If it does not recalibrate split the line in half again and repea
7. fitted are discharged or in poor condition a PSU fault will show at the AVAC Always dispose of used batteries according to the battery manufacturer s instructions Standby battery location and connection A KEEP THIS AREA CLEAR TO ENSURE THE AMPLIFIER WELL VENTILATED 12V 7AHr VRSLA 12V 7AHr VRSLA AVAC Installation and Maintenance Manual e Approved Document No DAU0000402 Rev 6 Page 14 AVAC VOICE ALARM SYSTEM LOUDSPEAKER CONNECTION Loudspeaker Tapping The most common installation problem on a voice alarm system is the incorrect tapping of loudspeakers If they are tapped at too high a wattage the amplifier may be overloaded If they are tapped at too low a wattage the sound may be too quiet Loudspeaker circuits AVAC has two loudspeaker outputs each of which can accommodate up to 60 watts of loudspeaker load For example 20 loudspeakers tapped at 3 watts or 40 loudspeakers tapped at 1 5 watts We recommend however that you allow 20 spare capacity on each loudspeaker circuit to accomodate future changes and or tolerances within the circuit The continuous average output power of each circuit is 60 watts Signals above this level will be compressed and the Audio Limit LED will illuminate to indicate that the sound source is overdriving see pages 19 20 or 21 for further details To determine the actual loading in watts of a l
8. mic fitted and the EOL resistor has been omitted see page 19 Connecting some input sources causes noise Use volt free switch contacts on the paging input Avoid multiple screen and multiple 0 V connections as circulating currents cause excessive noise If a source is unbalanced and connected to signal or and 0 V try connecting across signal and Signal inputs instead Master to slave faults Are all AVAC masters and slaves Rev 4 If not contact your distributor technical support for advice Ensure all PLK2 Local Fault links are removed from Slave AVACs before calibration takes place and that the links are refitted AFTER calibration Is the PLK2 Master Phantom link fitted at the last slave AVAC AVAC Installation and Maintenance Manual e Approved Document No DAU0000402 Rev 6 e Page 29 AVAC VOICE ALARM SYSTEM APPENDIX 1 Loudspeaker record sheet This form is provided for you to record the number type location and tapping of each loudspeaker on the AVAC s circuits On heavily populated systems you may wish to make multiple photocopies of this page before using it SPEAKER LOUDSPEAKER SPEAKER AVAC AVAC ADDITIONAL TYPE LOCATION TAPPING LOCATION CIRCUIT COMMENTS AVAC Installation and Maintenance Manual e Approved Document No DAU0000402 Rev 6 e Page 30 AVAC VOICE ALARM SYSTEM APPENDIX 2 AVAC m
9. of loudspeaker load An EN54 4 compliant switch mode power supply and battery charger Space for 2 x 7 AHr VRLA batteries typically providing at least 24 hours standby and 30 minutes alarm running time A slave line level output allowing the connection of up to 10 slave AVACs Slave AVACs are typically used to extend loudspeaker coverage in areas such as warehouses They also allow greater flexibility in the segregation of public address paging and background music distribution as they have their own paging and background music inputs The fact that multiple AVACs and slaves can be connected to one fire detection system makes the AVAC voice alarm system ideal not just for simple one zone installations but for virtually all small to medium sized applications including phased evacuation projects in areas such as hotels leisure centres and licensed premises An overview of an AVAC Master vA405 Firemans microphone Paging microphone Conventional Trigger Inputs Reset Alert Fault silence Test Evac Output t xp95 Analogue Joop ou Y xp95 Analogue loop in ain SS SS f line device W End O N d of line device J g ve output Cc amplifiers onal slave AVA ees per master Output transformers Line level sla OkHz itorin Monee Power supply unit 230V AC In AVAC Installation and Maintenance Manual e Approved Document No DAU0000402 Rev 6 Page 6 AVAC
10. or via an outreach plate as shown in the diagram below Refer to to page 21 for additional information on how the BGM input works Class Change timer connection To AVAC or previous Outreach plate DC power unused 2 pair twisted cable or similar NCCNO NCCNO 230 VAC 230 VAC 50 HZ 50 HZ AVAC Installation and Maintenance Manual e Approved Document No DAU0000402 Rev 6 Page 22 AVAC VOICE ALARM SYSTEM SLAVE AVAC CONNECTION To increase audio coverage in large areas such as warehouses shopping centres etc up to 10 slaves can be connected to one master For compliance with BS 5939 8 all critical life safety broadcasts made at the AVAC master i e emergency microphone announcements Evacuate Alert and Test messages are automatically passed to the relevant slave s for output To allow greater paging and background music flexibility each slave has its own paging and BGM inputs Alternatively for global paging and background music the audio source s at the master can be daisychained to the slave s inputs as explained on pages 20 and 21 Slaves connect to masters as shown below Please note to ensure slave AVACs are monitored correctly the right hand PLK2 link Master Phantom MUST only be fitted at the LAST slave in the daisychain The left hand PLK2 link Local Fault should be fitted at ALL slaves Typical slave AVAC connection All emergency microphone broadcasts see page 19 for emer genc
11. which will accommodate up to 60 watts of loudspeaker load through 100 V line transformers which step up the voltage for distribution around the site An end of line device must be connected across the terminals of the last loudspeaker on each circuit and both circuits must be calibrated at commissioning using the calibrate button to ensure correct monitoring Some AVACs feature an additional hot swap standby amplifier that will switch in if either of the regular amplifiers A or B fail a requirement of some life safety voice alarm specifications Multiple AVACs and slave amplifiers There is no limit to the number of master AVACs that can be used per system Please note however that the VA405 emergency microphone can be daisychained to a maximum of 10 masters only To increase audio coverage in areas such as warehouses etc up to 10 slave AVACs can be connected to one master Slaves repeat all emergency microphone and digital message broadcasts that are made at the master to which they are connected They also feature their own paging and BGM inputs Therefore if multiple masters and or slaves are used localised paging and background music can be easily implemented AVAC Installation and Maintenance Manual e Approved Document No DAU0000402 Rev 6 Page 8 AVAC VOICE ALARM SYSTEM PLANNING THE WIRING All System wiring should be installed to meet the appropriate parts of BS 5839 8 1998 BS EN 60849 1998 and BS 7671
12. 011011 5 1010000 29 1011100 85 1010101 109 1011011 6 0110000 30 0111100 86 0110101 110 0111011 7 1110000 31 1111100 87 1110101 111 1111011 8 0001000 32 0000010 88 0001101 112 0000111 9 1001000 65 1000001 89 1001101 113 1000111 10 0101000 66 0100001 90 0101101 114 0100111 11 1101000 67 1100001 91 1101101 115 1100111 12 0011000 68 0010001 92 0011101 116 0010111 13 1011000 69 1010001 93 1011101 117 1010111 14 0111000 70 0110001 94 0111101 118 0110111 15 1111000 71 1110001 95 1111101 119 1110111 16 0000100 72 0001001 96 0000011 120 0001111 17 1000100 73 1001001 97 1000011 121 1001111 18 0100100 74 0101001 98 0100011 122 0101111 19 1100100 75 1101001 99 1100011 123 1101111 20 0010100 76 0011001 100 0010011 124 0011111 21 1010100 77 1011001 101 1010011 125 1011111 22 0110100 78 0111001 102 0110011 126 0111111 23 1110100 79 1111001 103 1110011 112 126 are not available 24 0001100 80 0000101 104 0001011 if group addressing is used i sw2 sw2 Setting AVAC s optional group address Address 1234 Address 1234 Use bits 1 to 4 of the four way DIP switch 112 1111 120 1110 SW1 to give an optional group address A Ha ae Vs pe group address can be any address between 115 0011 123 0010 112 126 More than one AVAC can have the 116 1101 124 1100 same group address 117 0101 125 0100 118 1001 126 1000 119 0001 OFF 0000 AVAC Installation and Maintenance Manual e Approved Document No DAU0000402 Rev 6 Page 18 AVAC VOICE ALARM SYSTEM EMERGENCY FIRE MIC
13. 6 05A INPUTS Input level for 100 V RMS 1 kHz tone with gain Gari set to Max sensitivity BGM ccc cca cieneee ede mnann ames eee renee E E 230 mV RMS BGM With JINKnsass passei ais bes thas eae cael E beha 2 3 V RMS PAGE cis hn vce ty ewinnn c aveceduacavang acaba a EE maha E umeeiia Nana aloe 230 mV RMS Page with link E E nse aed S eta eke ee 2 3 V RMS Fire MIC INDUC sssi insannin men a adden thine eee 230 mV RMS Page PTT Volt Free contacts non triggered state Open circuit Page PTT Volt Free contacts triggered state 0000 Closed circuit Fire Mic PTT non triggered state EE ie ee Ala elt a 6K8 Fire Mic PTT triggered state cece eee eee eee 1K in parallel with 6K8 Manual inputs M1 M2 M3 RES 0 00 c cece e eee eee aes 12 V 1mA to 25 V 2 5 mA optically isolated OUTPUTS Max Output AUX 24 V Master only 2000e eee ee eens 100 mA Max Output Fire Mic 24V oo eee 100 mA Max Speaker Output 00 00 cece eee eee eee 100 V 0 6 A RMS 60 W x 2 QULPUE POWE ses ee ieee ee cede tetkin ceded ew eee eee ees 2 x 60 W continuous average power Frequency response at 30 W load line driven from the Fire Mic 152 Hz to 12 kHz Fault output relay single pole changeover eee eee 1A 30 V BATTERY CALCULATIONS Average standby current at full load 0 eee eee 97 mA Average alarm current at full load audio on Fire Mic 12A
14. AVAC VOICE ALARM SYSTEM AVAC Life Safety Voice Alarm System ALWAYS make sure the end of line devices supplied are fitted after the last loudspeaker If they are not calibration may succeed but loudspeaker circuit faults will not be detected ALWAYS measure the speaker circuit loads using a Loadmaster or LCR meter before calibration The max load for each circuit is 60 watts which is equivalent to a min impedance of 166 ohms DO NOT use a multimeter as the results will be meaningless The most common installation problem on voice alarm systems is loudspeakers being tapped at too high a wattage and overloading the amplifier which causes clipping of the monitoring tone signal Installation and Maintenance Manual Approved Document No DAU0000402 Rev 6 AVAC VOICE ALARM SYSTEM CONTENTS IMPOMANt NOLES ooo ic ceed cece eee wee ad ae eee Peed Gee kiia ENEDA RE dee ee eed eae Oo 3 Short form wiring instructions 6 060 e cece cee eee eee eee OE EDE a 4 AVAC connected to an Apollo analogue fire alarm loop n 6 c cece een ence teen ence ee eeees 4 AVAC connected to an non Apollo analogue fire alarm loop 2 0 c0ece eee ence eeeeeeees 5 AVAC connected to a conventional fire alarm panel 0 00 e cece cece nee e eee e eee eee eeees 5 An overview of the AVAC voice alarm system n n cece cece eee eee e eee eee teen ees 6 Planning thE WINING sersa ries beeps se
15. Attention please attention please Attention please attention please enton pease p z 0 Ol ec p ask A situation has arisen where we need gt gt A situation has arisen where we need 5 2 to clear the building 2 0 0 3 to clear the building p A Please leave the building immediately 6 4 Please leave the building immediately 2 4 by the nearest available exit by the nearest available exit PLK4 Do not use a lift three seconds silence then repeat bate three seconds silence then repeat eoeede Message links link 2 fitted 1 amp 2 fitted AVAC Installation and Maintenance Manual e Approved Document No DAU0000402 Rev 6 Page 24 AVAC VOICE ALARM SYSTEM Alert message selection Two Alert messages are available The actual message played will depend on the position of Message Link 2 as shown in the diagrams below Note altering the position of Message Link 2 will also affect the content of the Evacuate message described previously Alert message 1 Alert message 2 Siren three seconds silence Siren three seconds silence May I have your attention please may Attention please attention please have your attention please A situation has arisen in the building Fire has been reported in the building please listen for further instructions please listen for further instructions 9 lt i 10 seconds silence Ding dong Tear 10 seconds sil
16. IRING NOT MONITORED In open areas it is common practice to interleave the loudspeaker circuits to maximise sound distribution in the event of one of the circuits failing IMPORTANT Swi To ensure the loudspeaker circuits are monitored correctly they MUST be calibrated using the SW1 button on the Indicator PCB inside the lid See page 16 for details Calibrate AVAC Installation and Maintenance Manual e Approved Document No DAU0000402 Rev 6 Page 15 AVAC VOICE ALARM SYSTEM CALIBRATING THE LOUDSPEAKER FIRE MIC AND MASTER TO SLAVE CIRCUITS The loudspeaker circuits are monitored by an intermittent 20 kHz tone which is passed down the loudspeaker lines Each circuit s end of line device absorbs the tone and the current taken is measured against the current drawn at system setup known as the reference value To store the reference value the commissioning engineer must activate AVAC s calibration feature Note that AVAC s Fire Mic and Master to Slave circuits will be calibrated at the same time and that prior to calibration the unit will always show a Fire Mic fault Calibration should ONLY be done when 1 Both loudspeaker circuits are complete i e all loudspeakers are connected appropriately tapped and verified and when the end of line devices supplied are fitted after the last loudspeaker on each circuit 2 Both loudspeaker circuits have been measured using a Loadma
17. NOTES This equipment must be installed and maintained by a suitably skilled and technically competent person This equipment is a piece of Class 1 equipment and MUST BE EARTHED This equipment operates with hazardous voltages present inside its enclosure DO NOT leave the enclosure door open during normal operation Items supplied This product is supplied with an installation and maintenance manual a user manual an allen key for unfastening securing the lid and an electrical accessory pack containing a red battery lead a black battery lead a battery link lead two loudspeaker end of line modules a 6K8 0 25 W resistor a spare primary mains fuse a spare battery fuse and a selection of spare jumper links An AVAC master slave record sheet DAU0000407 is also provided in the AVAC s accessory pack We strongly recommend the relevant side of this sheet master or slave is completed by the engineer for future reference Should you experience any technical problems with AVAC our technical department will require information from this sheet in order to assist you System design Voice alarm system design is beyond the scope of this document A basic understanding of general voice alarm system components and their use is assumed We strongly recommend that a suitably qualified and competent person is consulted in connection with the design of the voice alarm system and that the system is commissioned and serviced in accordance with the
18. ROPHONE CONNECTION If an emergency fire microphone is required you must use a VA405 microphone Only one VA405 should be used per system This can be daisychained to up to ten AVAC masters as illus trated below Pressing the VA405 s push to talk button will override all other audio signals on the system including Evacuate and Alert messages allowing live announcements to be made If an emergency microphone is NOT required to prevent a fault condition occuring you must fit the 6K8 0 25 W resistor supplied in the accessory pack across the PTT and OV terminals at the Fire Mic input If required the volume of the microphone can be adjusted using the Fire Mic level control on the Main PCB Please note should its volume be set too high the audio limit LED on the main PCB will illuminate red to indicate that the audio signal is being clipped If this happens re adjust the Fire Mic level control until you are satisfied with the sound quality and the limit LED flickers red only very occasionally Failure to do so could lead to poor sound quality If the microphone is too loud too quiet or too distorted the master output level of the VA405 may need to be adjusted Refer to the VA405 instructions for details Please note to ensure the microphone is monitored correctly the right hand PLK2 link Master Phantom must only be fitted at the last master AVAC in the daisychain see below for details Emergency microphone connection co
19. T 3A S MAIN DISTRIBUTION y AVAC BOARD on 5 DO NOT attempt to connect mains to the AVAC until you are fully conversant with the layout and features of the power supply PCB as described below The power supply PCB combines the functions of a mains to d c switched mode power supply unit battery charging unit and battery monitoring unit THE POWER SUPPLY PCB STORES VOLTAGES AT UP TO 400 Vd c AND MAY BE LETHAL IF TOUCHED DO NOT TOUCH THE PCB WHILST THE RED HAZARDOUS VOLTAGES PRESENT INDICATOR IS LIT Incoming Mains cable must be The Power Supply PCB LL segregated from other cables and should only enter the enclosure through one of the C knock outs on the right side of PSU EARTH STRAPS the enclosure Good quality DO NOT operate AVAC without cable glands must be fitted its earth straps connected in a The incoming mains earth this exact configuration D wire MUST be connected to the The PSU earth strap connects th terminal marked power supply PCB to the chassis earth and not to the chassis or post which in turn is connected to the base earth post base earth post If connecting stranded HAZARDOUS VOLTAGES mains cable max 2 5mm PRESENT LIGHT we recommend the use of When lit red hazardous voltages bootlace ferrules are present on the components in the hatched area of the PCB and PRIMARY FUSE F1 this charge is only bled away after the mains supply h
20. VOICE ALARM SYSTEM Operation The principal function of the AVAC voice alarm system is to generate clear intelligible voice messages to alert people to the presence of fire normally under the control of a fire detection system When AVAC receives a message trigger from the host fire detection system it responds by playing an appropriate message Evacuate Alert or Test from its digital message store This message is amplified and broadcast around the site via the system s loudspeakers Three balanced line level audio inputs are also provided for the connection of the following optional third party equipment e Anemergency microphone connected to the Fire Mic Input to allow live directive announcements by the emergency services e A paging microphone connected to the Paging Input to allow non life safety paging announcements and e A background music source such as CD player radio tuner or class change tone system page 22 connected to the BGM Input The Paging and BGM inputs have optional link selectable attenuators so that a wide range of input levels can be used The Fire Mic input does not have an attenuator since it is designed for use with the VA405 emergency microphone only The level of all four audio channels digital message store fire mic paging and BGM can be adjusted using the four internal level controls If multiple inputs and or digital message triggers are active at the same time the prioritised mixer ens
21. age Carefully remove the four wing nuts and washers that secure the hinges To remove the chassis plate Ensure power has been removed from the AVAC and that the Power Supply PCB is safe to handle see page 13 Pull the chassis earth strap off the spade connector on the base earth point Remove all of the chassis plate s retaining screws with the exception of the three keyhole retaining screws at the top of the chassis plate which should be loosened by about three turns Push the chassis plate up and over the three keyhole retaining screws The lid and chassis plate can now be removed from site to prevent accidental damage They should be stored in a clean dry place which is free from vibration dust and excessive heat AVAC Installation and Maintenance Manual e Approved Document No DAU0000402 Rev 6 Page 10 AVAC VOICE ALARM SYSTEM Planning the cable layout in the enclosure All low voltage wiring coming into the enclosure should be segregated away from the 100 V loudspeaker lines and incoming mains voltages Refer to the diagram below for guidance and important information on how to remove the enclosure s knockouts Always ensure that if a knock out is removed the hole is filled with a good quality cable gland Any unused knock outs must be securely blanked off Location of knockouts for cable entry and knockout removal details Bring mains into the enclosure QOOOQQCO0OO through one of these knockouts CO
22. as been removed When the red light extinguishes the charge has leaked away to a safe level 20 x 5mm 1 A HRC Ceramic to IEC 127 EN60127 Part 2 Do not use any other type or size Oo0 of fuse in this position H BATTERY FUSE F2 s s 20x5mm 5AF to IEC 127 papa ie D EN60127 Part 2 battery leads are supplied in the D ieee op R ee AVAC s accessory pack See page 14 P j for battery position and connection details AVAC Installation and Maintenance Manual Approved Document No DAU000040 Rev 6 Page 13 AVAC VOICE ALARM SYSTEM STANDBY BATTERY CONNECTION We recommend two new good quality and fully charged 7 AHr 12 V valve regulated lead acid batteries are used as the AVAC s emergency stand by power supply These will typically provide at least 24 hours standby time and 30 minutes alarm running time Note that batteries are required at all AVAC masters and slaves Caution No other type of battery should be used due to risk of explosion and smaller batteries will reduce the standby time of the system considerably The batteries should be connected in series and located in the enclosure as shown in the dia gram below The battery leads and link wire are provided in the accessory pack A sophisticated battery monitoring unit protects the batteries against deep discharge by acti vating a cut off circuit when the stand by supply voltage reaches 21 V approx If batteries are not
23. aster slave record sheet An AVAC master slave record sheet DAU0000407 is provided in the accessory pack supplied We strongly recommend the relevant side of this sheet master or slave is completed by the engineer for future reference Should you experience any technical problems wih AVAC our technical department will require information from this sheet in order to assist you AVAC Installation and Maintenance Manual e Approved Document No DAU0000402 Rev 6 e Page 31 AVAC VOICE ALARM SYSTEM TECHNICAL SPECIFICATION POWER SUPPLY AND CHARGER AC input 00 paaa ana a eee eee eee 230 V a c 10 50 60 Hz Internal power supply 00000ee eee eee eee 27 V d c Nominal Max continuous output current limited to 5A 230 V a c derate by 500 mA if batteries are charging Pulse peak output current limited to 7A 230 V a c Supply amp battery charger monitored for failure YES battery charger is also temperature compensated Batteries monitored for disconnection and failure YES Batteries protected against deep discharge YES Deep discharge cut off approx 21 Volts Battery size and type eee eee eee 2 x 12 V 7 AHr VRLA connected in series Mains fuse 0 ee eee eee 240 V 1 AHRC ceramic 20 mm compliant with IEC EN60127 Pt2 Battery fuse 0 cece eens 5 AF 20 mm compliant with IEC EN60127 Pt2 Max Battery Charge current 00
24. at they Sounder Circuit can be considered one cabinet 2 core 1 5mm fire resistant cable 2x4 core 1 5mm fire resistant cable 500m max VA405 Fire interface GD Emergency AVAC MASTER EOL 5 cores of Cat5 structured cable 200m max Set messages VA406 gD paging i CatCon 4 cores of Cat5 we late structured Calibrate GD o TOL P cable 200m max Background music CD 4 Batteries GD source APL plate 2 core 1 5mm fire resistant 230V ac IN GE cable 500m max FOR SLAVE AVAC WIRING INFORMATION REFER TO SCHEMATIC ON PAGE 4 AVAC Installation and Maintenance Manual e Approved Document No DAU0000402 Rev 6 Page 5 AVAC VOICE ALARM SYSTEM AN OVERVIEW OF THE AVAC VOICE ALARM SYSTEM AVAC is a low cost high quality modular voice alarm system specially designed to simplify the provision of a fully BS 5839 part 8 1998 compliant voice alarm system In one compact wall mountable enclosure AVAC comprises Conventional and analogue Apollo XP95 Xplorer Discovery fire alarm interfaces A high quality digital message store containing programmable Evacuate Alert and Test messages A prioritised mixer Three balanced line level inputs for the optional connection of an emergency microphone paging public address equipment and a background music source Two x 60 watt Class D amplifiers plus an optional standby amplifier each of which will accommodate up to 60 watts
25. ave daisychain P23 NOTE When using Cat5 cable audio and audio must use the same pair or interference is likely Max 10 slave EOL End of line device AVACs per master P23 AVAC Installation and Maintenance Manual e Approved Document No DAU0000402 Rev 6 Page 4 AVAC VOICE ALARM SYSTEM AVAC connected to a non Apollo analogue fire alarm loop Circled numbers i e refer to the pages you should read for further information To meet BS5839 8 the I O units must be mounted adjacent to the AVAC Master such that they can be considered one cabinet l 2 core 1 5mm fire resistant cable NON APOLLO FIRE ALARM LOOP 2 core 1 5mm fire resistant cable 2x4 core 1 5mm fire resistant cable 500m max Fire interface GD AVAC MASTER 5 cores of Cat5 structured EOL cable 200m max Set VA405 Emergency mic GP VA406 iD Loudspeakers GD paging i 4 cores of Cat5 Mie a structured Calibrate GD oO i EOL k d d cable 200m max Backgroun A source APL plate 2 core 1 5mm fire resistant 230V ac IN D cable 500m max FOR SLAVE AVAC WIRING INFORMATION REFER TO SCHEMATIC ON PAGE 4 AVAC connected to a conventional fire alarm panel Circled numbers i e t p22 refer to the pages you should read for further information To meet BS5839 8 the control CONVENTIONAL PANEL panel must be mounted adjacent Monitored to the AVAC Master such th
26. ee page 22 for details of when this should be fitted Note that the Emergency Mic input will show a fault until the system has been calibrated as detailed on page 16 A AVAC Installation and Maintenance Manual e Approved Document No DAU0000402 Rev 6 Page 19 AVAC VOICE ALARM SYSTEM PUBLIC ADDRESS PAGING CONNECTION If required a VA406 desk microphone console can be connected to the paging input for non life safety public address announcements Note that other balanced line level equipment such as the output from a telephone system may be connected instead If in doubt please contact your distribu tor for details The paging input is designed to accept balanced line level signals of between 300 mV and 1 5 V rms If you wish to connect a higher line level signal fitting the right hand PLK3 link 10 on the Main PCB will attenuate the input signal by a ratio of approximately 10 1 The volume of the paging signal can be adjusted using the Page level control on the Main PCB Please note should the volume be set too high the audio limit LED on the main PCB will illuminate red to indicate that the audio signal is being clipped If this happens re adjust the Page level con trol until you are satisfied with the sound quality and the limit LED flickers red only very occasional ly Failure to do so could lead to audio distortion For global paging simply daisychain the paging input to all relevant AVAC master and slave units Note tha
27. eed to adjust the voltage If the batteries are in good condition and all the other checks have been performed and no faults found the Power Supply PCB is faulty and should be replaced NB batteries that are not connected connected in reverse or with opposite polarities will also cause a power supply fault condition AVAC Installation and Maintenance Manual e Approved Document No DAU0000402 Rev 6 Page 27 AVAC VOICE ALARM SYSTEM Supply Present light not lit If the Supply Present light is not lit one of the following faults has occurred 1 Both the mains supply and the standby batteries have failed This could be because the mains supply has failed and the batteries have been exhausted Suggested action Restore the mains supply and the Supply Present light should come back on However if the batteries are discharged this will be recognised as a fault and indicated as such See Battery voltage too low above 2 The Power Supply PCB the Main PCB and or the cable that connects them is faulty If the mains supply is present indicated by the red hazardous voltages light being lit on the Power Supply PCB check that the connector cable between the Power Supply PCB and the Main Control PCB is fully inserted at both ends If so either the Power Supply PCB and or the Main Control PCB and or the connector cable are faulty and should be replaced 1 2 System Faults System faults are unique in that they do not automat
28. ence Ding dong 2 0 3 You are reminded to remain at your F a2 You are reminded to remain at your 5 6 6 4 workplace whilst the fire alert exists 3 workplace whilst the fire alert exists PLKA repeat last two segments O 4 repeat last two segments every 22 seconds PLK4 every 22 seconds Message link Message Ink 2 not fitted 2 fitted Test message selection One test message is available as detailed below Siren three seconds silence A fire alarm system is about to be tested Please take no further action However if Function not Message Link 4 of the PLK4 option links is fitted AVAC will also broadcast a test complete message when the system is returned to normal as detailed below Ding dong s E The fire alarm test is now complete g aoe Thank you for your cooperation P 4 Function aaa link 4 fitted Adjusting the MP3 player level If necessary the level of the digital messages can be globally adjusted using the MP3 player s volume control which is located on the digital message store PCB as shown below Test message Turn clockwise to increase digital message level The fire alarm system is about to be tested please take no further action The fire alarm test is now complete DIGITAL MESSAGE STORE PCB Factory programming link only DO NOT FIT A LINK IN THIS POSITION Custom messages Custom messages ca
29. eset stimulus is released no message will play unless other inputs are asserted Note the fire panel s Reset input should be set to activate when the fire detection system is SILENCED or RESET not just when reset Interfacing a non Apollo analogue addressable fire system to AVAC s conventional interface Note that Apollo protocol analogue systems can be connected directly to AVAC s analogue interface as described on page 18 When interfacing a non Apollo ana logue addressable fire alarm system to the conventional interface the M1 M2 M3 and RES inputs are usually triggered via one or more input out put units as shown The I O units should be programmed via the fire panel s own programming software to operate as appropriate To meet BS 5839 8 the I O units should be mounted adjacent to the Master AVAC s such that they can be consid ered to be one cabinet Program the two I O units via the fire panel s programming software to operate as appropriate Note that both I O units must be at rest to reset ov LOOP 24V ISOLATOR 1 0 UNIT EOLD FAULT RELAY iv LOOP O INPUT b e MONITOR VO UNIT ADDRESSABLE M1 EVAC M2 ALERT M3 TEST INPUT MONITOR D m n VO UNIT LOOP ISOLATOR AVAC oe MAIN PCB TEST SWITCH AVACMAINPCB S CONVENTIONAL When
30. f this occurs adjust the level s accordingly until you are satisfied with the sound and the limit LED flickers red only very occasionally Turn clockwise to increase paging volume paging volume Turn clockwise to increase If global paging is utilised the left hand PLK3 link Master Phantom Master lO must ONLY be fitted at the last AVAC in the daisychain In this example phantom Hs no the link would be fitted at Main PCB 2 only e If only one master AVAC is used the Master Phantom PLK2 link would Ss be fitted on that AVAC s Main PCB e If localised paging is used the Master Phantom PLK2 link should be fitted at every AVAC master or slave which has localised paging Fit the right hand PLK3 link 10 to attenuate the paging signal by 10 1 if required AVAC Installation and Maintenance Manual e Approved Document No DAU0000402 Rev 6 e Page 20 AVAC VOICE ALARM SYSTEM BACKGROUND MUSIC BGM CONNECTION Any background music source with a balanced line level output CD player radio tuner etc can be connected to the AVAC Background music is AVAC s lowest priority input and it will play continuously unless there are other audio inputs active on the system The BGM input like the paging input is designed to accept balanced line level signals of between 300 mV and 1 5 V rms If you wish to connect a larger line level signal fitting link PLK1 on the Main PCB will attenuate the input signal by a ratio of approximate
31. gital Message Store PCB is plugged in correctly If it is and the fault mes sage reoccurs the PCB may be faulty Speaker fault A Speaker fault B The relevant speaker fault indicator illuminates when one or more of the following has occurred 1 There is an open or short circuit fault on a speaker circuit 2 The speaker circuit s end of line device is missing 3 There is a speaker earth fault To ascertain if there is an earth fault open the AVAC and check to see if either of the speaker earth fault lights on the Main PCB inside the panel are lit If they are not the fault is an open or short circuit Have you calibrated the Av speaker circuits see page 16 Failure to do so could also lead to speaker circuit faults Refer also to section 1 3 on page 28 AVAC Installation and Maintenance Manual e Approved Document No DAU0000402 Rev 6 e Page 26 AVAC VOICE ALARM SYSTEM 1 1 Power Supply Mains Faults A power supply mains fault is indicative of one or more of the following faults The mains supply is too low or has failed completely Symptoms AVAC runs on batteries but not on mains The red Hazardous Voltages Present light on the Power Supply PCB may be lit if Mains has failed the LED will be off Suggested action a Isolate the mains supply and probe the live and neutral connections with a multimeter b Taking all due precautions re apply the mains and measure the voltage c Isolate the mains s
32. ically clear when rectified Suggested action Press the Reset button on the indicator PCB located inside the panel This should clear the fault If the fault persists the Main PCB is faulty and must be replaced 1 3 Amplifier loudspeaker faults The AVAC shows a loudspeaker amplifier fault after calibration or Adding or removing an End of Line Device EOLD is not detected Suggested action Before starting these tests please ensure that you have a record of the number type location and tapping of each loudspeaker on each circuit The form on page 29 can be photocopied and used for this Check whether the fault is with the AVAC EOLD s or in the wiring Remove the loudspeaker wiring and connect the EOLD s at the AVAC Press and hold calibrate until the light flashes quickly If the fault does not clear check whether the fault is with the EOLDs or the AVAC by swap ping the EOLDs and recalibrating If it is an EOLD or the AVAC contact your supplier for assistance If the fault lies with the external wiring there may be several causes First refit the EOLDs at the end of line 1 The Loudspeaker circuit may be overloaded The absolute maximum loading for each amplifier module is 60 watts not less than167 ohms at 1 KHz If this is exceeded the amplifier will shut down as announcements are made or audio is played As the signal varies in loudness the amplifier may operate intermittently The most common installation e
33. interfacing a conventional fire alarm panel to FIRE PANEL the conventional interface the M1 Evacuate input is W el normally triggered via a monitored sounder circuit or 24y relay The M2 Alert input is normally not used in O this scenario as pulsing inputs are not compatible with AVAC As most conventional panels do not have a monitored glee silence input that is capable of driving 3 O 24v MONITORED AVAC s reset input removing Function F04 REES R Qov CIRCUIT Link 3 on AVAC s PLK4 option links tear 5 will set all message inputs to non amp O 2 ue TE fd latching g 3 For this arrrangement to meet the oes sk ea spirit of BS5839 8 the control panel PEKA O i RES must be mounted adjacent to the Remove link 3 Master AVAC s such that they can to make message be considered to be one cabinet inputs non latching 4 TEST SWITCH AVAC Installation and Maintenance Manual e Approved Document No DAU0000402 Rev 6 Page 17 AVAC VOICE ALARM SYSTEM The analogue interface AVACs analogue interface can be connected to any Apollo xP95 _ terfacing an Apollo Discovery or Xplorer analogue loop see right protocol analogue panel If using this method AVAC should be given a unique ID address to the AVAC s analogue using the first seven segments of the eight way DIP switch SW2 interface on the Main PCB When polled the green polling LED wil
34. is a fault on any optional slave s that are connected to the master refer to the slave s for more precise details of the fault 2 There is an open or short circuit fault on the slave wiring psu microphone Illuminates when one or more of the following has occurred wiring Message Store evacuation alert A fault B fault and or standby fault The relevant amplifier fault indicator illuminates if there is a problem with any of the amplifiers A B or standby Note that the standby amplifier is option al If any of these indicators are lit try pressing the Reset button SW2 on the indicator PCB inside the panel to see if the fault clears If the fault does not or if the fault comes back soon after refer to Section 1 3 on page 28 1 The emergency microphone is faulty 2 There is an open or short circuit fault on the fire mic wiring 3 The master fire mic link PLK2 is not fitted at the last AVAC to which it is connected Master fault on slave AVACs Illuminates when one or more of the following has occurred 1 The master AVAC is faulty 2 There is an open or short circuit fault on the master to slave 3 The master fire mic link PLK2 is not fitted at the last slave AVAC in the master to slave chain test paging active Message fault this indicator does not appear on slave AVACs IIluminates when there is a problem with the digital message store Check that the Di
35. l illumi nate momentarily to confirm the AVAC is working correctly Once on the loop the AVAC emulates an Apollo sounder control module and responds to fire alarm system commands as such playing an Alert message when an Alert intermittent sounders AVAC MAIN PCB command is received and an Evacuate message when an Evacuate continuous sounders command is received In addition to its unique ID address AVAC can be given a group address using the four way DIP switch SW1 A group address is used by the fire detection system to activate the outputs of multi ple AVACs simultaneously If this facility is used note that individual AVACs will continue to report back their status to the host fire detection system using their unique ID address numbers as appropriate LOOP ISOLATOR awe e BBB Ew ae Enable _ Group Address ADDRESSABLE LOOP Setting AVAC s unique ID address es Use bits 1 to 7 of the eight way DIP switch SW2 to give AVAC a unique ID address i e 13 in the example shown right with test enabled This can be any address between 1 126 if group mode is not utilised or 1 111 if group mode is utilised see bottom of page sw2 sw2 sw2 sw2 Address 1234567 Address 1234567 Address 1234567 Address 1234567 1 1000000 25 1001100 81 1000101 105 1001011 0100000 26 0101100 82 0100101 106 0101011 3 1100000 27 1101100 83 1100101 107 1101011 4 0010000 28 0011100 84 0010101 108 0
36. ly 10 1 The volume of the background music signal can be adjusted using the BGM level control on the Main PCB Please note should the volume be set too high the audio limit LED on the main PCB will illuminate red to indicate that the audio signal is being clipped If this happens re adjust the BGM level control until you are satisfied with the sound quality and the limit LED flickers red only very occasionally Failure to do so could lead to poor sound quality For global background music simply daisychain the paging input to all relevant AVAC master and slave units If multiple AVACs and or slave amplifiers are used different background music sources can be connected to play in different areas i e local radio in warehouses piped music or silence in offices etc The simplest way to connect a background music source is via an APL double phono line level outreach plate which can be wall mounted in a location convenient for the user to change CDs etc Typical background music connection Note if you connect a stereo output directly to audio and audio the result will be very low level distorted sound You must use an APL outreach plate to convert stereo to balanced mono Belden 8723 screened Connect screen to 2 pair twisted cable OV at one end only ALTERNATIVELY CONNECT A DIFFERENT BGM SOURCE HERE FOR LOCALISED BACKGROUND MUSIC 1 i Belden 8723 screened ain a 2 pair twisted cable TO BGM SOURCE H
37. minates when one or more of the following has occurred 1 The battery fuse has blown 2 The battery supply voltage is too low 3 The battery charging circuitry is faulty 4 The switch mode power supply is faulty 5 The 24V output on the main PCB is shorted or overloaded See also section 1 1 on page 27 Mains fault Illuminates when the mains has failed or the primary mains fuse has blown Note that when this light is lit the system will only operate for the standby period dictated by the size of the backup batteries fitted and to conserve battery life BGM and public address paging is suppressed System fault Illuminates when one or more of the following has occurred 1 The microprocessor has reset 2 The main PCB is faulty These types of fault can only be cleared by pressing the Reset button SW2 on the indicator PCB inside the panel If the fault reoccurs the Main PCB may be faulty See also section 1 2 page 28 General fault Flashes when there is a fault on any part of the voice alarm system This light is always lit in tandem with at least one other fault light which will convey more precise information on the type of fault detected up fire prese microp J mains fault fault fault master fault on Slave AVACs Silence nternal Slave fault this indicator does not appear on slave AVACs Illuminates when one or more of the following has occurred 1 There
38. mply with British and European life safety standards AVAC s loudspeaker lines PSU batteries emergency microphone and digital message store are all monitored for short circuits open circuits earth faults discharge disconnection and data corruption as appropriate Non critical inputs such as public address paging and background music are not monitored and in the event of mains failure are automatically cut off to conserve battery life This contributes to the AVAC s extremely efficient standby time typically 24 hours plus 30 minutes running using 2 x 7 A Hr VRLA batteries Provided the system is wired as detailed in this manual a fault condition will be reported as a sounder fault on the fire detection system to which it is connected with more detailed fault indi cation provided on the front of the AVAC Digital message selection All digital messages are stored in MP3 format on a monitored non volatile memory card that plugs directly onto the Main PCB The content of these messages can be adjusted to suit the application using a series of internal links For example the Evacuate message can be configured to state that a situation has arisen or a fire has been reported and to warn people if appropriate not to use the building s lifts Amplifier and speaker circuits AVAC is supplied with a minimum of two separate 60 watt Class D amplifiers A and B These are designed to drive two loudspeaker circuits each of
39. n be provided at extra cost but may have to be specially recorded Please advise your requirements prices on application AVAC Installation and Maintenance Manual e Approved Document No DAU0000402 Rev 6 e Page 25 AVAC VOICE ALARM SYSTEM FAULT INDICATION When a fault occurs an intermittent fault buzzer sounds at AVAC and the relevant fault indicator illuminates The fault relay also activates to report the fault to the fire detection system where depending on the wiring configuration used it is usually reported as a sounder fault Pressing the Silence Internal Sounder button on the front of AVAC will mute the fault buzzer However as all faults are also reported to the host fire detection system removing link PLK5 located below the buzzer on the Main PCB will permanently disable the fault buzzer Be sure to check with the approving authority that disablement of the internal sounder is acceptable before removing this link All faults should be recorded in the fire detection system s log book and appropriate action should be taken to correct them An explanation of what each indicator means and the steps that can be taken to correct the faults they relate to can be found below Note that all faults except system faults and amplifier faults are non latching so when the fault is cleared provided no other faults are present the fault buzzer and all relevant fault indicators will clear PSU fault Microphone fault on master AVACs Illu
40. nnect screens If an emergency mic is NOT used you MUST fit a 6K8 resistor supplied across the PTT and OV terminals OPTIONAL EXTRA AVAC MASTER UNITS 4 core or 2 x 2 core To optional H next master VA405 EMERGENCY MICROPHONE The audio limit LED illuminates red when the audio signal is being clipped due to the input or paging volume being set too high If this occurs adjust the level s accordingly until you are satisfied with the sound and the limit LED flickers red only very occasionally SIG OVPTT V Fire Mic Input Local GTS Master STS Fault fo Phantom OO 10 SIG OVPTT V Fire Mic Input Local SIS Mester SIDI Faut fo Phantom OE 10 SIG OVPTT V Fire Mic Input Turn clockwise to increase emergency mic volume Turn clockwise to increase emergency mic volume Turn clockwise to increase emergency mic volume To ensure that the Emergency Mic is Local 6 Master i Phantom monitored correctly the right hand Fault O PLK2 link Master Phantom must ONLY be fitted at the last master AVAC in the daisychain In this example the link would NOT be fitted at Main PCBs FireMic PLK2 1 and 2 but at PCB 3 only e If only one master AVAC is used the Master Phantom PLK2 link would be fitted on that AVAC s Main PCB e The left hand PLK2 link Local Fault is used for master slave interaction s
41. nnect the batteries If the green Supply Present light is lit reconnect the mains supply and check that the power supply fault has cleared If the Supply Present light is not lit either the Power Supply PCB or the Main PCB is faulty and should be replaced e If the Battery Fuse F2 is intact proceed to check the battery voltage see below The battery voltage is too low Symptoms AVAC runs on mains but may or may not run on batteries If the mains supply has failed and the battery supply has been discharged to the point where the voltage is too low i e less than 21 V AVAC will automatically turn off to avoid damaging the batteries by allowing them to deep discharge AVAC will not restart unless fresh fully charged batteries are connected or the mains supply is restored If the mains supply has not failed but the total battery voltage is less than 21 V the PSU will not charge the batteries to avoid damage to the charging circuit If the battery terminal voltage is greater than 21 V the batteries can be charged but AVAC will continue to show a power supply fault until they have sufficient charge at which point the power supply fault will automatically be cleared Depending on battery size and the depth of discharge this may take several hours If the batteries are in poor condition they must be replaced Please note that the charging circuit is set up during manufacturing and is temperature com pensated There is no n
42. nse wentiaesegsdseeiaed EEE EAEE aE a ES 9 MOUNUNG AVAG 3 2203 renane a E seceded AE E EE RORE 10 Connecting the panel 00 cece een nen eee eee eee 12 Mains wiring and connection details 0 0 cece cece eee eee eens 13 Standby battery connection s ni sekers adsit nanesti LESENNE eee eee eens 14 Loudspeaker CONNECtION 0 en pi arenon eee eee e tenets 15 Calibrating the Loudspeaker Fire Mic and Master to Slave circuits 0 0 eee e eee eee es 16 Fire alarm interface connection 6 0 cece eect eee eee eee eee e eee eens 17 Emergency fire microphone connection 06 6 e eee eee eee eee e eee rnrn 18 Public address paging connection 0 0 cece cee 20 Background music COnnectiONn 6 06 cece eee eee Ei Dida hepun 21 Class change timer CONNECtION 16 eee eee eee eee enna 22 Slave AVAC wiring 22 nee ented 23 Digital message selection 0 cece eee eee eee eee nent eee e eas 24 Fatilt INGICAUON sasoien tent giet nett ated Seat aaa E a het daa tech tele geameet cheeses 26 Appendix 1 loudspeaker record sheet 0c cece eee eee eee eee eee eee eee e aes 30 Appendix 2 AVAC master and slave record sheets 0 0c cece cece e eee teen e eee e eens 31 Technical specifications s c cece eee e ene e tent e eee rnrn nn eens 32 AVAC Installation and Maintenance Manual e Approved Document No DAU0000402 Rev 6 e Page 2 AVAC VOICE ALARM SYSTEM IMPORTANT
43. ocated on a removable chas sis plate as shown below The enclosure must be sited internally in an area not subject to conditions likely to affect its performance e g damp salt air water ingress extremes of temperature physical abuse etc It should be positioned at a height where it is easily accessible and in a prominent position within the building Ideally the indicators on the front of the enclosure should be at eye level The AVAC Enclosure CHASSIS EARTH STRAP LID EARTH STRAP M Wo J e DICATO e LID BASE CONNECTING CABLES O CHASSIS PLATE Removing the lid and chassis plate To expose all of the base mounting holes the lid and chassis plate should be removed from the enclosure prior to first fix installation components operators should rid themselves of any personal electro static charge by Anti static handling guidelines Prior to handling any of the AVAC s internal momentarily touching any sound connection to safety earth e g a radiator To remove the lid Undo the two screws on the right hand side of the AVAC using the Allen key provided Hinge the lid 180 to the left and remove the lid earth strap from the base earth connection take care not to overbend the hinges Disconnect the lid base connecting cables PL6 and PL5 from the Main PCB Take care to depress the telecoms style locking tab on the PL6 connector to prevent dam
44. ollo protocol XP95 Discovery or Xplorer analogue addressable fire alarm loop via its LOOP input When connected in this way AVAC emulates an Apollo sounder control module and must be given an individual and optional group address using the two DIP switches provided to allow it to be recognised by the analogue loop Once addressed AVAC responds to the fire panel s commands by activating its Evacuate message when it receives a continuous sounders command and its Alert message when it receives an intermittent sounders command It also reports any fault conditions back to the analogue loop as a general fault allowing the host fire detection system to show the fault location accordingly Although Apollo s analogue protocols do not include a Test state in their output bit configura tions some fire detection systems such as those using a C TEC XFP fire panel have a test bit pat tern built into their software If this is the case AVAC s test enable facility allows compatible fire detection systems to put the AVAC into test If required AVAC s conventional fire alarm interface i e its M1 M2 and M3 triggers and its ana logue interface i e its LOOP input can be used at the same time If conflicting stimuli are applied the highest priority message always overrides other stimuli AVAC Installation and Maintenance Manual e Approved Document No DAU0000402 Rev 6 Page 7 AVAC VOICE ALARM SYSTEM Monitoring In order to co
45. oudspeaker circuit with the speakers connected disconnect the loudspeaker circuit at the main PCB and measure the impedance of the cable and loudspeakers using a Loadmaster or LCR meter Remember that the maximim load for each circuit is 60 watts which is equivalent to a minimum impedance of 166 ohms To convert impedance into power use the following equation P power in watts 10 000 Z impedance in Ohms Example Z impedance in ohms 334 ohms 10 000 334 29 94 Therefore P 30 watts An end of line module EOL provided in the accessory pack must be physically secured and connected across the terminals of the last loudspeaker to allow the wiring to be monitored for open or short circuit fault conditions In order to check that the loudspeaker line monitoring is operating correctly fit the EOL in an accessible location We recommend C TEC voice alarm loudspeakers are used as these have been tested for correct operation with AVAC All loudspeakers must be suitable for 100 volt line operation Low impedance loudspeakers will not work will overload the amplifier and may be seriously damaged Note that a form is provided on page 30 where you can record the number type location and tapping of each loudspeaker used Typical loudspeaker circuit wiring Each speaker MUST have a line transformer suitable for 100 V operation tapped to the appropriate wattage EOL END OF LINE UNIT TO SPEAKER CIRCUIT B DO NOT SPUR M W
46. project specification and national standards The client fire officer concerned with the property should be contacted at an early stage in case he or she has any special requirements We recommend you read BS 5839 Part 8 1998 The code of practice for the design installation amp servicing of voice alarm systems and BS EN 60849 1998 Sound systems for emergency purposes or any subsequent revisions both of which are available at your local reference library or from the British Standards Institute Customer Services Dept 389 Chiswick High Road London W4 4AL Tel 44 0 20 8996 9001 Web www bsi global com Equipment guarantee This equipment is not guaranteed unless the complete system is installed and commissioned in accordance with national standards by an approved and competent person or organisation This product has been manufactured in conformance with the requirements of all applicable EU Council Directives 2004 2008 Errors and omissions excepted The manufacturer of this product operates a policy of continuous improvement and reserves the right to alter product specifications at its discretion and without prior notice All of the instructions covered in this manual have been carefully checked prior to publication However no responsibility can be accepted by the manufacturer for any inaccuracies or for any misinterpretation of an instruction or guidance note AVAC Installation and Maintenance Manual e Approved Documen
47. ring to the PCBs we recommend you check all third party equipment loudspeakers emergency microphone paging panels background music sources etc to ensure they are correctly fitted and that cable integrity is verified throughout the installation It is essential that the wiring and loudspeakers are tested with a Loadmaster or LCR meter to ensure that the total load connected to each of the loudspeaker circuits is not greater than 60 watts not less than 167 Ohms at 1 kHz See page 15 for important information on the loading of loudspeaker circuits DO NOT use a high voltage insulation tester with any electronic devices connected AVAC Installation and Maintenance Manual e Approved Document No DAU0000402 Rev 6 Page 12 AVAC VOICE ALARM SYSTEM MAINS WIRING amp CONNECTION DETAILS The general requirement for the mains supply to AVAC s power supply PCB is fixed wiring using three core cable no less than 1mm and no more than 2 5mm or a suitable three conductor system fed from an isolating switched fused spur fused at 3A This should be secure from unauthorised operation and be marked FIRE ALARM SYSTEM DO NOT SWITCH OFF The mains supply must be exclusive to the AVAC unit As an alternative to a switched fused spur a double pole isolating device may be used see diagram below providing it meets the appropriate national wiring regulations 1mm lt 2 5mm
48. rror is to leave loudspeakers tapped as supplied which is normally the maximum load setting For example a typical office environment may require 6 W ceiling loudspeakers to be tapped at 1 5 W each A maximum of 40 x 1 5 W loudspeakers can be connected to one 60 W amplifier cir cuit although we recommend you allow 20 spare capacity on each loudspeaker circuit If the speakers are tapped at 6 W the load will be 240 W and the amplifier will shut down and may fail To identify this problem use an impedance meter to measure the line impedance which should be no less than 167 ohms at 1 kHz or use an audio load meter to measure the load directly it must not be more than 60 watts See page 15 to calculate power from impedance If it is more than 60 watts less than 167 ohms the load must be reduced by removing loud speakers or lowering the tappings of some loudspeakers 2 If the fault is intermittent or the loudspeakers cut out intermittently one or more input sources may be set too high If this problem only occurs rarely it is likely to be related to an audio source that is seldom used Try each of the sources in turn to see if the problem occurs Unplug all input sources Press the reset button If the fault clears this indicates that one of the inputs is overdriving the unit Re attach the inputs one at a time and set the audio working If the fault recurs lower the level on that input The remaining faults can be difficult to
49. set to non latching PLK4 link 3 not fitted Remove the Evacuate Alert and or Test input stimulus Important non latching triggers are not fully compliant with BS 5839 8 However if the triggers e g loop driven I O units are mounted adjacent to AVAC so that they form in effect one cabinet this is normally considered to be acceptable e When the Apollo loop interface is used Silence or reset the controlling FACIE which will issue the relevant control signal Evacuate message selection Listed below are the four Evacuate messages available at the AVAC together with details of the PLK4 option links you need to fit or remove to select them Evacuate message 1 Evacuate message 2 Siren three seconds silence Siren three seconds silence Attention please attention please gle oi 1 Attention please attention please Fire has been reported in the building 2 7 Fire has been reported in the building g 1 Please leave the building immediately 2 oO j Please leave the building immediately P 0 2 by the nearest available exit by the nearest available exit g 003 Do not use a lift PLK4 three seconds silence then repeat 4 three seconds silence then repeat Message links PLK4 1 2 3 amp 4 Message not fitted link 1 fitted Evacuate message 3 Evacuate message 4 Siren three seconds silence Siren three seconds silence
50. ster or LCR meter and you have confirmed that the load on each circuit is no greater than 60 watts equivalent to a minimum impedance of 166 ohms 3 The Fire Mic s PTT input is in an untriggered state i e only the 6k8 end of line is present If calibration is done with the Fire Mic s PTT input in a triggered state AVAC will calibrate the Fire Mic circuit incorrectly and the Fire Mic may not work as expected 4 The PLK2 Local Fault link has been temporarily removed from ALL slave AVACs Note you MUST refit the PLK2 Local Fault links to all slaves when calibration is complete To start the calibration procedure press and continue to hold down the calibration button SW1 on the Indicator PCB The indicator light IND1 on the Main PCB will pulse slowly DO NOT LET GO OF THE CALIBRATION BUTTON UNTIL THE INDICATOR LIGHT STARTS TO FLASH MORE QUICKLY Once the flashing speeds up let go of the calibration button When the indicator light goes out the calibration procedure is complete Always test the system for correct operation after calibrating or recalibrating the circuits If any changes are made to the loudspeaker fire mic or master to slave circuits at any time for example if a loudspeaker is added removed or its tapping is changed the calibration process should be repeated to establish a new reference level For more specific loudspeaker wiring information please refer to each loudspeaker s individual installa
51. t If it does recalibrate reconnect the line and split again at the three quarter point Continue until the mis connected loudspeaker is identified 5 One or more of the loudspeakers may be damaged or faulty As section 4 look for uninsulated cores water damage and physical damage Earth faults Earth fault indications only apply to loudspeaker circuits and are indicated on the front of the AVAC as speaker faults Note that the Speaker Fault A and Speaker Fault B indicators will also illuminate for open and or short circuit faults To ascertain if there is an earth fault open the AVAC and check to see if the Speaker Earth Fault A or B indicators on the main PCB are lit Amplifier faults occur on the system but when reset they do not reoccur for some con siderable time An audio input which is not currently running may be set incorrectly intermittently overdriv ing the amplifiers See section 2 above If paging is installed has there been any feedback Check for loudspeakers near telephones or microphones and move the equipment further apart The load may be changing due to bad connections see section 4 above The emergency mic shows a fault The last Master AVAC panel connected to the emergency microphone should have its Master Phantom PLK2 link fitted Check that no Local Fault links are fitted on any Master AVACs The emergency mic that has been used is not compatible you must use the VA405 There is no emergency
52. t No DAU0000402 Rev 6 Page 3 AVAC VOICE ALARM SYSTEM SHORT FORM WIRING INSTRUCTIONS AVAC connected to an Apollo analogue fire alarm loop Circled numbers i e P22 refer to the pages you should read for further information 2 core 1 5mm fire resistant cable APOLLO FIRE ALARM LOOP 2x4 core 1 5mm fire resistant cable 500m max 2 core 1 5mm fire resistant cable 500m max VA405 Fire interface pis Emergenc mie D AVAC MASTER 5 cores of Cat5 structured EOL cable 200m max Set VA406 ap Loudspeakers G paging T 4 cores of Cat5 mig aan structured Calibrate GD oO EOL plate l cable 200m max Batteries music ico L Ua D Master to slave source l a daisychain E ll E 230V ac IN GD ED 4 cores of Cat5 structured j 4 core 1 5mm fire resistant cable 500m max l cable 500m max 2 cores of Cat5 structured lt gt AVAC SLAVE cable 500m max EOL Loudspeakers OPTION 1 EOL Global paging and or background music daisychained from master AVAC Batteries D 230v ac IN GED Master to slave daisychain P23 VA406 paging AVAC SLAVE mic P20 P Background music soure D APL Loudspeakers D plate EOL OPTION 2 Local paging and or background music wired direct to slave Batteries D E 230V ac IN GD AVAC SLAVE Master to sl
53. t if global paging is utilised the left hand PLK3 link master phantom must be fitted at the last AVAC in the daisychain only If local paging is used then the left hand PLK3 link should be fitted at every AVAC master or slave which has paging equipment connected directly to it Pressing the paging equipment s PTT push to talk button will override all relevant background music signals but have no effect on higher priority triggers such as Alert messages Evacuate messages or Emergency Mic broadcasts Typical public address paging VA406 desk microphone console connection TO VA4 06 D ES K Alternatively connect an MIC CONSOLE additional VA406 here for localised paging l lel ta CAT 5 CABLE LL fishes DAISYCHAIN Wl TT A 24V white orange C PTT white green B 0V orange G Audio Cold brown H Audio Hot white brown CATCON PLATE supplied with VA406 desk mic console TO NEXT AVAC FOR OPTIONAL LARGER AREA PAGING IF REQUIRED MAIN PCB 1 MAIN PCB2 Local Master SIG OVP Paging Input Local STS master OTST Fault So Phantom Ofe 10 FireMic Page PLK2 PLK3 0060 FireMic Page BGM MASTER AVAC UNIT ADDITIONAL MASTER OR SLAVE AVAC UNIT The audio limit LED illuminates red when the audio signal is being clipped due to the input or paging volume being set too high I
54. tion instructions for advice AVAC Installation and Maintenance Manual e Approved Document No DAU0000402 Rev 6 Page 16 AVAC VOICE ALARM SYSTEM FIRE ALARM INTERFACE CONNECTION The fire alarm interface comprises two parts a conventional system interface and an analogue sys temn interface It should be noted that BS5839 8 requires all controlling inputs to be latched and all links to be monitored Depending on the facilities available at the controlling equip ment this is not always possible In such cases it is acceptable to have unmonitored links pro vided they are very close and at least IP30 protected One way to do this is to mount the control equipment next to AVAC so there is no gap between them The conventional interface The conventional interface has four polarized inputs Evacuate M1 Alert M2 Test M3 and Reset RES plus a fault relay output All four inputs are optically isolated and designed to be active when supplied with 24 V For compliance with BS5839 8 all four conventional inputs are set to latch by default i e Link 3 of the PLK4 option links is supplied fitted When a steady voltage of 24 V is applied to an input the relevant message plays until a higher priority message is asserted note that pulsing inputs are not compatible with AVAC When the trigger voltage is removed the selected message will continue to play Only when the AVAC s Reset input is asserted will the system return to normal When the R
55. upply again If the reading is incorrect see Technical Specifications at the back of this manual repair the mains supply If the reading is correct check to see if the primary mains fuse F1 is ruptured If the fuse is intact and the red hazardous voltages present light on the Power Supply PCB is lit then the PSU is faulty and should be replaced The primary mains fuse F1 is ruptured Symptoms AVAC runs on batteries but not on mains The red Hazardous Voltages Present light on the Power Supply PCB is off Suggested action a Isolate the mains supply and check the PSU s primary mains fuse F1 for continuity b If the fuse is ruptured it will be due to an excessive mains surge or a PSU fault Check the components on the PSU for damage If none is found replace the fuse with the correct type and reconnect the mains supply If the red Hazardous Voltages Present light does not come on then the PSU is faulty and should be replaced The battery fuse F2 is ruptured Symptoms AVAC runs on mains but not on batteries Suggested action a Isolate the mains supply and disconnect the batteries b Check the Battery Fuse F2 on the Power Supply PCB for continuity c If the fuse is ruptured check the Power Supply PCB and Main Control PCB for signs of dam age If none is found replace the fuse with the correct type ensuring that the fuse clip is not damaged when re inserting the fuse d Refit the Main PCB and reco
56. ures that only the most urgent audio signal is broadcast as indicated on the chart below Priority Description 1 Emergency microphone 2 Evacuate Alert or Test message Evacuate overrides Alert Alert overrides Test 3 Paging microphone 4 Background music source The fire alarm interface A fire detection system can be connected to AVAC via three polarized opto isolated trigger inputs Evacuate M1 Alert M2 and Test M3 These inputs are designed to control the AVAC s digital message store and will activate when 24 V d c is applied to them if an external voltage is not available a local 24 V d c output is provided for switching into the inputs under the control of the fire detection system All inputs are prioritised according to the messages they trigger and can be set for latching or non latching operation via an internal link When set to latch required by BS 5839 8 triggered messages will play continuously until a higher priority message input is asserted or the AVAC s reset input RES is activated When set for non latching operation messages will stop when the input stimulus is removed please check with the approving authority that this is permissible prior to installation This facility is provided to allow connection to fire detection systems without a silence output NB AVAC cannot interpret_a pulsing sounder input as Alert all trigger inputs must be continuous AVAC can also be connected directly to any Ap
57. y microphone connection details and digital message broadcasts are routed to the slave s via these four wires Refer to pages 20 and 21 for information on how to implement global and or localised paging and BGM To next slave if fitted SIG OVPTIT V SIG OVPTT SIG OV Fire Mic Input Paging Input BGM Input Local BIS Master QI Fatt STO Phantom OfO 10 aare enese A SIG OV Go SIG OVPTT V SIG OVPTT SIG OV Slave output Fire Mic Input Paging Input BGM Input ra peee SS FireMic Page PLK2 PLK3 o o o MASTER FireMic Page BGM AVAC SIG OVPTT V SIG OVPTT SIG OV Fire Mic Input Paging Input BGM Input Local TO Master QIS Slo Phantom ofo 10 Turn clockwise to The left hand PLK2 link Turn clockwise The right hand PLK2 link increase slave Local Fault must be to increase Master phantom must AVAC volume fitted at ALL slaves to slave AVAC ONLY be fitted at the last ensure any faults are volume slave in the master to signalled at the master slave daisychain to ensure the chain is monitored correctly Local i O Master Fault Q Phantom Local Master Fault Phantom FireMic PLK2 FireMic PLK2 If only one slave is used the right hand PLK2 link Note that the Fire Mic input on all slave AVACs will show a fault Master phantom would be fitted on that slave s until the system has been calibrated as detailed on page 16 Main PCB AVAC
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