SBS Standby Battery System
Contents
1. 6 2 5 Connection Delailis 6 57 Specifications s 7 4 SAFETY CONSIDERATIONS aaa 7 1 page 3of 9 a g 21017 SBS V1 2 doc 7 SYSTEMS SBS User Manual 2 Product Description Models Covered This user manual covers the following equipment SBS241 1 x 24AHour Battery Pack SBS242 2 x 24AHour Battery Pack SBS481 1 x 48AHour Battery Pack The SBS Standby Battery System are primarily designed for use vvith Voice Alarm Systems requiring battery Backup to comply with BS 5839 pt 8 The SBS Standby Battery System features e Standby battery units are designed to provide a self contained 24V DC supply that can be exactly tailored to provide the standby supply capability required e They are provided in standard 19 rack frames and three standard capacities each in a 3U chassis e Upto 4 Individually fused protected outputs for amplifiers are available on each battery unit e Dual 24AH battery units incorporate 2 separate chargers e 48AH battery units maintain similar performance with a double capacity charger unit 3 SBS Operating instructions 3 1 Battery Charger Characteristics The battery charger voltage characteristics are designed to compensate for the temperature of the batteries in accordance with the battery manufacturers reco2. ISYSTEMS Audix Systems Station Road Wenden Saffron Walden Essex CB11 4LG Telephone 44 0 1799 540888 Facsimile 44 0 1799 541618 www tycosafetyproducts europe com www audixsystems co uk Standby Battery System Manual V1 2 SBS User Manual Revision History Version Modifications Date 1 0 Original issue 19 07 01 1 1 First Revisions 26 09 01 1 2 Add connection details 4 2 03 Copyright Audix Systems 2005 DISCLAIMER This manual contains information that is correct to the best of Audix Systems knowledge It is intended to be a guide and should be used as such It should not be considered as a sole source of technical instruction replacing good technical judgement since all possible situations cannot be anticipated If there are any doubts as to exact installation configuration and or use call Audix Systems at 44 0 1799 540888 ACKNOWLEDGEMENTS All trademarks are recognised page 2of 9 aa Qudb 21017 SBS V1 2 doc 7 SYSTEMS SBS User Manual Table of contents Revision History a a a a 2 T b OTCOnERiS Ra al aa b ab palan 3 1 Product Descripilon u za ea YARAYAR RAYA EES 4 2 SBS Operating inSifuclions e oes ate eae a 4 2 1 Battery Charger Characteristics 4 22 Two Step Charging Gs it a id tae n 4 2 8 Charger Periofmanceesa n s asas 6 2 4 B55699
3. In case of cell rupture leaking electrolyte or other problems that result in SKIN OR EYE EXPOSURE TO ELECTROLYTE IMMEDIATELY FLUSH WITH COPIOUS AMOUNTS OF WATER page 7of 9 a g 21017 SBS V1 2 doc 7 SYSTEMS SBS User Manual In case of contact with skin consult a doctor if burning persists If eye exposure occurs FLUSH WITH WATER FOR 15 MINUTES and get someone to call a doctor for you Shorting Precautions Risk Because of its low internal resistance the sealed lead acid cell can provide exceptionally high currents Since the battery terminals are more than often upright and exposed short circuits are best prevented by good housekeeping practises as summarised below REMEMBER DC CURRENTS ARE DANGEROUS Precautions e Whenever possible keep at least one terminal insulated with a removable cap e When working with lead acid batteries always remove rings watches with metal bands necklaces or other metallic items that might accidentally complete the circuit e Never place a battery in a draw metallic disposable container or other receptacle in such a manner that it might tip over and short circuit against the walls or it might short circuit against other metallic contents e Do not use uninsulated tools when working with batteries e When wiring batteries beware of the strong affinity for the loose end of the wire to the opposite terminal to the one being wired They sometimes insist on a c
4. S User Manual 4 Specifications Power supply voltage range 20 35V d c Supply current max inrush 500mA Supply current typical 110mA 24V Weight SBS241 19 0Kg SBS242 36 5kg SBS481 36 2kg Operating temperature range 0 40 C Max Humidity 8596 non condensing EMC operating environment Domestic Commercial As defined by EN50081 1 EN50082 1 Light Industrial Manufactured to Safety Standard EN60065 1998 5 SAFETY CONSIDERATIONS Only a qualified and trained electronics engineer should be permitted to make any type of adjustment or repair to the Public Address System A number of safety factors should be considered before attempting to maintain or repair the Public Address and Voice Alarm system Lead acid batteries have an excellent safety record However if mistreated or misapplied they can present a possible hazard The following notes are to aid ALL Service and Commissioning engineers Electrical Safety Risk Sealed batteries rely on the interaction between sulphuric acid and various lead compounds to provide electrical energy These active materials are retained within the plastic cell jar and plastic lid which normally prevent any human contact with the cell contents once the batteries leave the factory However the cell active materials are toxic and corrosive 1 Exposure to them should be avoided The electrolyte contained within them is sulphuric acid in concentrations strong enough to cause burns DO
5. ersonal Protective equipment such as heavy duty gloves aprons boots etc are provided to all Service Commissioning personnel Use when appropriate page 9 of 9 m g Qudb 21017 SBS V1 2 doc 7 SYSTEMS
6. lose relationship e Never lay any conducting metal part on top of a battery or place the battery terminal in contact with a metal surface Shipping and Storage Where possible insulate tabs to prevent contact Use proper packaging materials Package so as prevent movement or tipping over Lifting Risk Batteries are heavy and when installed in Audix equipment can exceed 24 kilos For weights above this lifting aids should be used They can also be in a damaged condition during maintenance or repair which when removed might cause chemical contact to be made In the light of this remember Lifting of weights below 24 Kilos observe the following elementary rules e Stop and think plan the lift Do you need help Is the area or path free of obstructions Is the battery in a state whereby you require PPE e How are you going to transport the battery page 8of 9 s z Cudi 21017 SBS V1 2 doc SYSTEMS SBS User Manual get a firm grip keep your arms inside the boundary formed by your legs don t jerk move the feet don t twist the body keep close to the load Above all AVOID MANUAL HANDLING IF YOU BELIEVE THERE IS A RISK OF INJURY Disposing of batteries Ensure used batteries are disposed of in the correct manner in accordance with local regulations Reporting of incidences and accidents All incidences and accidents should be reported as per the Audix Health and Safety Policy PPE P
7. mmendations This is in order to achieve maximum life in standby operation 3 2 Two Step Charging The battery charger fitted in the battery unit has a two step charging charateristic for speedier recovery from a discharged state The charger normally maintains the optimum battery condition in FLOAT mode however if demand is made on the battery such that the voltage falls then the charger will switch to BULK CHARGE mode Battery voltage increases as charge is restored to at least 85 When the charger returns to FLOAT mode page 4of 9 a g z Qudb 21017 SBS V1 2 doc 7 SYSTEMS SBS User Manual SBS Overview 5037 N43495 Pes puo UM 3002 Japmod ssoj6 Iwas yobiq u p ustul4 n a 5aDu p unouu 00 n x YoU 64 5 jou siao polpul g 1961 10 JI NO d npg yno b 3 Henog 2 yno qa Mo7 Jo opds p 2 NO 17013 lly MOT L YADYVHO x a NO 1vOl1d 1138 MOI YADYVHO SWALSAS 14 nun A neg 21017 SBS V1 2 doc page 5 of 9 SYSTEMS SBS User Manual 3 3 Charger Performance For a battery starting from 100 discharge at a nominal 20C the bulk charger rate will restone 85 charge after 14 hours Following the transition to float charge mode the retoration t
8. o 100 typically takes a further 9 6 hours this betters the requirment of BS5839for 85 in 24 hours 3 4 BS5839 Fault Monitoring To provide central identification of Mains Charger and Battery power suppy faults the Battery standby units are fully intergrated with the Fault Monitoring System The units interfaces directly with the Fault monitoring System via its associated units where local LED indications are situated Battery Failure disconnection or low voltage is indicated by yellow LED Charger failure is indicated by yellow LED There are also local monitrong circuits with the battery unit Charger operating mains on is indicated by a green LED A second green LED shows when the charger is operating in FLOAT mode Direct indication of low battery voltage is provided by a yellow LED This is primarily for use during routine maintenance procedures 3 5 Connection Details The DC connectors are located on the rear of battery packs Alpha matrices amplifiers FMS frames and noise sensing systems The Sense line is connected to the Sense input of the backed up unit either Matrix or Amplifier and is used by the fault monitoring system to indicate charger and battery faults Pin 1 24V Pin 2 Sense Pin 3 NC Pin 4 0V WA Battery Alpha Amp and FMS battery terminations Female chassis socket on battery pack male chassis plug on other equipment page 6of 9 a g z Qudb 21017 SBS V1 2 doc 7 SYSTEMS SB
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