BOS LE300, Installation & User Manual

Page 1: ...ANCE OF STORAGE SYSTEMS AG BEIM MÜHLBACH 3 89171 ILLERKIRCHBERG GERMANY PHONE 49 0 731 72 54 41 07 MAIL CONTACT BOS AG COM WEB WWW BOS AG COM LITHIUM EXTENSION BATTERY EN User Manual Version No 98803201 Release date August 2018 Revision 12 ...

Page 2: ...TES 13 RECYCLING INFORMATION 2 6 8 9 11 14 15 16 17 18 18 19 20 Package Contents User manual Device LE300 Lithium Extension Battery Art No 12000001 Power cable connector RAST 5 with 20 cm cable and 2x WAGO clamp Art No 97904600 Spare part fuse KFZ Mini 20 A 1x Art No 96915600 Optional accessories RS485 parallel connection cable Art No 97905000 Parallel mechanic mounting kit threaded bolt and nuts ...

Page 3: ...tems They can be used with new or existing 12 V lead acid batteries Just stack them in parallel to meet your specific system specs As all BOS AG hybrid battery systems the LE300 Lithium Exten sion Battery takes most of the charging cycles while the lead acid battery provides inexpensive backup capacity The lead acid battery is charged with higher priority and the LE300 takes all surplus energy Thi...

Page 4: ...against heat e g prolonged sun exposure and fire and from water Do NOT store or operate the LE300 near hot or flammable objects Install this device step by step as written in this manual for best results After installation the device needs to be fully charged Do NOT charge the device over an extended period if the device is unused After prolonged storage period it may be necessary to charge and di...

Page 5: ...nformation at the end of the user manual for disposal of device Application Scope The primary application of the LE300 is the stationary storage of renewable energy in the area of solar energy This device is for residential recreational small commercial operations This device is for operation with 12 V lead acid batteries only A lead acid charge controller is needed for correct operation The devic...

Page 6: ...75x229x67 mm 3 4 kg RAST 5 mini module 4 pin communication interface external display 1 5 4 mm 20 50 C ambient temperature with maximum battery life at 15 25 C Warehousing temperature 10 30 C System voltage Nominal voltage Voltage range Battery packs used in LE300 Nominal lithium capacity Usable lithium capacity Numbers of cycles at room temprature Recommended lead acid capacity for each LE300 not...

Page 7: ... for higher battery lifetime Battery management inclusive balancer Overcurrent overvoltage short circuit deep discharge wrong polarity protection Works in combination with any 12 V lead acid battery lead acid charge controller Packs can be connected in parallel with each other see exemplary parallel combination in the table below In standard version a maximum of 24 LE300 can be connected only in p...

Page 8: ...display and torchlight Push button Mounting shape for standard lead acid mounting clamp Holes for mechanical parallel mounting mounting on mounting plate optional Cable connector plugs Cable strain relief connectors 3 OVERVIEW ...

Page 9: ...s together support the lead acid battery with up to 50 A Currents higher than the nominal rated currents of the LEs are supported by both the LEs and the lead acid batteries resulting in smaller C rates for both batteries Protection Due to the intelligent battery management the LE300 is fully protected against overload and deep discharge as well as overcurrent short circuits wrong polarity and too...

Page 10: ...lly waked up to check if LE300 is needed for charging discharging If one of the Li cells falls under deep discharge caused by self discharge the LE300 goes into a deep sleep mode In this mode the LE300 can only be woken up by pressing the push button or by recharging the device this is checked every four mins automatically After wake up a charging phase is possible If one of the Li cells is critic...

Page 11: ...direct mounting to a mounting plate with screws bolts See graphics below for details Electronical installation The LE300 Lithium Extension Battery is connected in parallel to the lead acid battery Please note that a standard lead acid battery charge controller is nee ded No special additional charge controller is needed for the LE300 It is impor tant to choose the right size of connection cable de...

Page 12: ...on details on the electrical connection are explained in the following t RAST 5 LEAD ACID IN OUT to lead acid to lead acid Fuse 20 A mini KFZ fuse Communication interface Optional to next LE Communication interface Optional to next LE DISPLAY OUT Optional to display 20 ...

Page 13: ...with each other through RS485 communi cation and LE300s would also work in parallel mode without the RS485 communication however one common state of charge trend signal couldn t be generated anymore for the whole system Maximum number of LEs in parallel configuration is 24 LEs as standard version please get in touch with your BOS dealer if more LEs in parallel are needed Optional signal outlet for...

Page 14: ...rge the system once LEs were connected A full system charge is needed in order to give accurate information on the state of charge of the system For devices which are stored over a longer period of time several charging cycles might be necessary This is done to balance each lithium cells and to show an accurate state of charge trend display 6 COMMISSIONING Tighten the installed cables with a cable...

Page 15: ... errors in the LE or the set up error codes are shown as described in chapter 8 Chaser light from red to green indicate that the LE300 is being charged Chaser light from green to red indicate that the LE300 is being discharged If green LED flashes whilst the push button is pressed the LE300 is neither charged nor dischar ged but in idle mode Once the push button is released the device shows the st...

Page 16: ...lem in the operation of the LE which is linked to either of the following events the connection to the lead acid battery is not working tripped fuse or bad no connection to lead acid battery or wrong polarity short circuit Please check if the LE is properly connected to the lead acid battery with the right polarity and if the lead acid battery voltage is higher than 10 5 V Also ple ase check if th...

Page 17: ...nnector of the LE The device is basically maintenance free Cable connections should be checked frequently Clean the device from dust when necessary with a dry cloth Avoid any contact with water or other liquids The lifespan of the LE300 can be prolonged when being properly maintained and especially when being operated and stored at the right temperatures With increasing age however the LE300 capac...

Page 18: ...mperature is not exceeded Avoid relative humidity over 85 as well as condensation The LE300 is UN38 3 certified nonetheless it is subject to the Dangerous Goods Legislation requirements Private users can transport undamaged LE300 by road without further requirements When being transported by commercial users or third parties e g air transport or forwarding agency special requirements on packaging ...

Page 19: ...on of the device may result in damage to property and as a result to bodily injury Therefore the manufacturer assumes no responsibility and liability for loss damage or costs which result from or are in any way related to incorrect instal lation improper operation incorrect execution of installation work and incorrect usage and maintenance Similarly we assume no responsibility for patent right or ...

Page 20: ...ore information please contact your BOS dealer or BOS Balance of Storage Systems AG Only for EC countries According to the European Guideline 2012 19 EU electrical devices tools that are no longer usable and according to the European Guideline 2006 66 EC defective or used battery packs batteries must be collected separately and dis posed of in an environmentally correct manner BOS Balance of Stora...