Bosch PLN-24CH12, Installation And Operation Manual

Page 1: ...Battery Charger PLN 24CH12 and PRS 48CH12 en Installation and Operation manual ...

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Page 3: ...ormation 11 4 1 Overview 11 4 2 Amp hour capacity 11 4 3 Effects of discharge rate on battery capacity and battery life 12 4 4 Depth of discharge DOD 12 4 4 1 State of charge 13 4 4 2 False capacity 13 4 5 Temperature 13 4 6 Battery self discharging 14 4 7 Batteries 14 4 7 1 Flooded lead acid batteries 14 4 7 2 Sealed absorbed glass mat AGM batteries 14 4 7 3 Sealed gel cell 15 5 Installation 16 5...

Page 4: ...8 1 1 Battery test 27 8 1 2 Battery undervoltage protection 27 8 1 3 Charging 28 8 1 4 Battery temperature compensation 29 8 2 Commissioning the system 29 9 Troubleshooting 30 10 Maintenance 31 11 Technical Data 32 11 1 Electrical 32 11 1 1 General 32 11 1 2 Fuses 32 11 2 Mechanical 33 11 3 Environmental conditions 33 11 4 Approvals and compliance with standards 33 11 4 1 Safety approvals 33 11 4 ...

Page 5: ...with all equipment that can be connected to the mains supply Safety precautions The battery charger is designed to be connected to the 230 Vac public distribution network To avoid any risk of electric shock all interventions must be carried out with disconnected mains supply upstream two pole circuit breaker open and disconnected battery Interventions with the equipment switched on are authorized ...

Page 6: ... instructions are intended for installers and users of the battery charger 2 4 Related documentation Voice alarm system manual 2 5 Alerts and notice signs Four types of alerts are used in this manual The alert type is closely related to the effect that may be caused if it is not observed These alerts from least severe effect to most severe effect are NOTICE Alert containing additional information ...

Page 7: ...n Table 2 1 Conversion of units of length Table 2 2 Conversion of units of mass Table 2 3 Conversion of units of pressure Table 2 4 Conversion of units of temperature Imperial Metric Metric Imperial 1 in 25 4 mm 1 mm 0 03937 in 1 in 2 54 cm 1 cm 0 3937 in 1 ft 0 3048 m 1 m 3 281 ft 1 mi 1 609 km 1 km 0 622 mi Imperial Metric Metric Imperial 1 lb 0 4536 kg 1 kg 2 2046 lb Imperial Metric Metric Impe...

Page 8: ...which is fully compliant with EN54 4 offers a maximum charge current of 12 A The battery charger is two rack units 2 RU high and has to be installed in a 19 rack 3 3 Scope of delivery The battery charger is packed with the following parts 1x Installation and Operation manual 1x Safety instructions 1x Mains plug lockable 6x Main output connector 3x Auxiliary output connector 1x Contact output conne...

Page 9: ...connect at 185 Vac 5 Primary fuse F1 is blown Power supply is broken Internal battery charger temperature is too high 65 C B Battery status OK The battery is not present The internal impedance Ri is too high see section 5 1 and 8 1 1 When the mains is present and the battery voltage during normal use is PLN 24CH12 23 5 Vdc 3 PRS 48CH12 47 0 Vdc 3 When the mains is present and the battery voltage d...

Page 10: ...Alarm System that do not have mains power inputs The outputs are protected by a fuse Faux1 to Faux3 C Temperature sensor socket Socket to connect the temperature sensor see section 6 6 D Main output terminals Six output terminals to connect to the back up power terminals of VAS equipment 40 A max The outputs are protected by a fuse F1 to F6 E Output contacts Fail safe dry contact three pole SPDT s...

Page 11: ...rm system manual 2 Multiply the standby current by the standby time that the local standards call for Typically this is 24 hours 3 Compare this value to the 24 hour discharge capacity of the battery 4 Determine the evacuation current of the system This information is available in the voice alarm system manual 5 Multiply the evacuation current by the time that the local standards call for Typically...

Page 12: ... related to how deep the battery is cycled each time If a battery is discharged to 50 every day it will last about twice as long as when it is cycled to 80 DOD If cycled only 10 DOD it will last about five times as long as when it is cycled to 50 The most practical number to use is 50 DOD on a regular basis This does not mean that you can not go to 80 once in a while It is just that when designing...

Page 13: ... use the battery may give the appearance of being fully charged but in reality acts like a battery of much smaller size This same thing can occur in gelled cells if they are overcharged and gaps or bubbles occur in the gel What is left of the plates may be fully functional but with only 20 of the plates left Batteries usually go bad for other reasons before reaching this point but it is something ...

Page 14: ...ctrolyte so they can be shipped more easily with acid added later will deteriorate over time The maximum storage life of these batteries is about two to three years 4 7 Batteries 4 7 1 Flooded lead acid batteries Flooded lead acid batteries have the longest track record in back up use and are still used in the majority of back up systems They have the longest life and the least cost per capacity I...

Page 15: ...bination of the gases generated while charging occurs at a much slower rate This means that these batteries typically have to be charged slower than either flooded lead acid or AGM batteries In an emergency sound system you have a fixed amount of hours to charge the batteries from the EN54 4 If charged at too high a rate gas pockets form on the plates and force the gelled electrolyte away from the...

Page 16: ...t see section 3 4 1 and means that the battery charger with its associated battery will not have the required back up duration in case of mains failure To avoid initiating this fault take care of the following Use authorized batteries see Section 7 Configuration Use short battery cables with a diameter as large as possible 35 mm max For a cross section of 10 mm the resistance is 2 mΩ m For a cross...

Page 17: ...battery charger has to be installed in a 19 rack that complies to Class 3k5 of EN60721 3 3 1995 A2 1997 and IP30 of EN60529 1991 A1 2000 See Figure 5 2 Figure 5 2 Rack mounting CAUTION The openings provided in the cabinet must be kept free Do not create additional openings because this can cause the device to malfunction and voids the warranty ...

Page 18: ...llation Battery Charger 180110011Aa V1 1 2011 05 Installation and Operation manual Bosch Security Systems B V 5 3 EN54 4 labeling Please affix the regarding label clearly visible on the cabinet after installation ...

Page 19: ...ecurity Systems B V Installation and Operation manual 180110011Aa V1 1 2011 05 6 Connection Figure 6 1 Block diagram of the battery charger Refer to table 6 1 Faux3 Faux2 Faux1 F6 F5 F4 F3 F2 F1 F1 6 5 4 3 2 1 9 8 7 A B G H I C J D K E L F M ...

Page 20: ...llation and Operation manual Bosch Security Systems B V Figure 6 2 Top view PLN 24CH12 24 Vdc Refer to table 6 1 Figure 6 3 Top view PRS 48CH12 48 Vdc Refer to table 6 1 J F1 F8 H 6 1 1 2 3 2 3 4 5 B G C K D A F I E M J F1 F8 H 6 1 1 2 3 2 3 4 5 B G C K D A F I E M ...

Page 21: ...control board D Fault status LEDs E Temperature sensor connection F Battery connection Batt and Batt G Auxiliary output fuses Faux1 to Faux3 5 A H Main output fuses F1 to F6 32 A I Output contacts connection main battery and output voltage status J Fan K Daughter board L Battery fuse breaker Not included Installed outside the battery charger M Battery relay F1 Mains fuse 6 3 A for PLN 24CH12 or 8 ...

Page 22: ...ection 3 4 2 CAUTION For the PLN 24CH12 Battery Charger the total sum of the batteries must be equal to 24 Vdc For the PRS 48CH12 Battery Charger the total sum of the batteries must be equal to 48 Vdc When connecting multiple batteries observe the following Only use batteries of the same voltage capacity type brand and age Always connect the batteries in series Figure 6 4 shows an example of conne...

Page 23: ... remote monitoring Each output has three terminals Normally Closed NC Common C and Normally Open NO Connection is done via a 9 pins pluggable screw terminal connector Refer to Table 6 2 for contact status See section 3 4 1 for LED status indicators Figure 6 5 Output contacts Table 6 2 Output contact status vs LED indication NOTICE Do not use the main outputs to connect remote control panels or vol...

Page 24: ...ains power cable 1 Use the supplied lockable mains connector to assemble a locally approved mains cable 2 Connect the mains cable to the battery charger 6 7 2 Ground connection 1 7 8 9 2 3 4 5 6 6 CAUTION Applied charging voltages and current are temperature dependant Therefore always use the temperature sensor If the temperature sensor is not used or not used correctly this can damage the battery...

Page 25: ...nection en 25 Bosch Security Systems B V Installation and Operation manual 180110011Aa V1 1 2011 05 CAUTION Do not make a separate ground connection to the 24 Vdc or 48 Vdc output terminal The outputs have a common return ...

Page 26: ...If Imax b is less than 100 A use batteries with a capacity of 65 Ah to 225 Ah and set daughter board jumper on 50 see Figure 5 1 The following batteries are approved Yuasa NPL series Powersonic GB series ABT TM series Enersys VE series Effekta BTL series Long GB series CAUTION If a mains failure occurs either on the battery charger the connected system or on both the system turns on back up operat...

Page 27: ...ery charger When discharging with the battery charger mains power Vac not present the battery charger will discharge the battery until Vfinal At Vfinal the undervoltage protection becomes active the battery charger is switched off latching behavior and all outputs are shut down See Figure 8 1 Figure 8 1 Discharge battery voltage vs discharge time Discharging when the mains power Vac is present Whe...

Page 28: ...decreased below 12 A the battery charger is switch on and connects the battery again to start the charging process 8 1 3 Charging Figure 8 2 and Figure 8 3 show the charger voltage and the charge current versus the time during the charging process Figure 8 2 Charger voltage vs time Figure 8 3 Charge current vs time A Bulk mode B Float mode A Bulk mode in this mode the current is controlled B Float...

Page 29: ...ng the system Use the following procedure to commission the system 1 Switch on the mains circuit breaker battery fuse breaker is off 2 Check the output voltage on the main and auxiliary outputs PLN 24CH12 27 3 Vdc PRS 48CH12 54 6 Vdc 3 Switch on the battery fuse breaker L Refer to table 6 1 After approx 2 5 seconds the battery relay is activated 4 The battery charger is operating correctly when th...

Page 30: ...oken because of a reversed battery connection when battery relay was already switched on Disconnect the battery and the mains power from battery charger Check replace fuse F8 Main and Auxiliary fuses No backup power on one or more outputs main or auxiliary status LED is yellow On or more main or auxiliary output fuses are broken Check the voltage of the main and auxiliary outputs The measured volt...

Page 31: ...the specifications and instructions of the battery supplier 2 Periodically clean the battery charger with a dry non ragged cloth 3 Keep the fan and the air inlets free from dust NOTICE Maintenance should be done by qualified personnel only DANGER Before removing and opening the battery charger housing make sure that Mains power circuit breaker is in the off position Battery fuse breaker is in the ...

Page 32: ...A battery screw terminals Maximum charge current 12 A Main outputs 6 main outputs with a maximum current of 40 A Auxiliary outputs 3 auxiliary outputs with a maximum current of 5 A Total output current main and auxiliary 150 A max Rated output current of battery charger 12 A this is the max current that can be sourced from the output without draining the batteries MTBF 200000 hours with external a...

Page 33: ... 2007 11 4 3 Voice Alarm System related approvals EN54 4 1997 and amendment A2 February 2006 Fire detection and fire alarm systems Part 4 Power supply equipment CE CPD Numbers are 0333 CPD 075381 1 PLN 24CH12 and 0333 CPD 075383 1 PRS 48CH12 They have been affixed in 2011 EN 12101 10 class A January 2006 Smoke and heat control systems Part 10 power supplies Dimensions h x w x d 44 5 x 483 x 310 mm...

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Page 35: ...Bosch Security Systems B V Kapittelweg 10 4827 HG Breda The Netherlands www boschsecurity com Bosch Security Systems B V 2011 ...