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5

Troubleshooting

Check the indicators on the front to determine the state of the battery pack.

A warning state is triggered when a condition, such as with voltage or tem-
perature, is beyond design limitations. The battery pack’s BMS periodically

reports its operating state to the inverter.

When the battery pack falls outside prescribed limits, it enters a warning state.
When a warning is reported, the inverter immediately stops operation.

Use the monitoring software on the inverter to identify what caused the warn-
ing. The possible warning messages are as follows:

• Battery Over Voltage
• Battery Under Voltage

• Battery Over Temperature
• Battery Under Temperature

• Battery Discharge Over Current
• Battery Charge Over Current
• BMS Internal Communication

• Battery Cell Voltage Imbalance

The abnormal state is cleared when the battery pack recovers normal opera-

tion.

NOTE

For a serious warning, if no proper corrective actions are taken by the in-

verter, the battery pack’s circuit breaker automatically trips to protect itself.

31

Summary of Contents for RESU Series

Page 1: ...Residential Energy Storage Unit For Photovoltaic Systems RESU3 3 R4863P3S RESU6 5 R48126P3S RESU10 R48189P3S Installation Manual June 2016 Revision 1 ...

Page 2: ... or safety procedures described in this man ual contact LG Chem immediately for advice and clarification The information included in this manual is accurate at the time of publication However the product specifications are subject to change without prior notice In addition the illustrations in this manual are meant to help explain system configuration concepts and installation instructions The ill...

Page 3: ...rmation 9 2 Product Introduction 10 2 1 Technical data 10 Dimensions and weight 10 Performance 11 Charging cable requirements 11 Environmental requirements 11 2 2 Features 11 2 3 RESU lineup 12 3 Installation 13 3 1 Unpacking the package 13 3 2 Package items 14 3 3 Installation materials 14 3 4 Installation location 15 3 5 Tools 16 3 6 Safety gear 16 3 7 Installation clearance 17 3 8 Securing the ...

Page 4: ...2 Making a network cable 25 3 13 Setting rotary and DIP switches 26 Setting for communication interface 26 Setting for battery cell type 27 Settings for CAN bus pins 27 Setting for terminal resistors 28 4 Commissioning 29 4 1 LED indicators 29 4 2 Starting the battery pack 29 4 3 Shutting down the battery pack 30 5 Troubleshooting 31 6 Firmware Update 32 7 Warranty 34 8 Regulatory Approvals 35 A S...

Page 5: ... battery pack and the warning label is attached to the top C O N N EC TI O N K I T ON OF F This battery pack contains high voltage which can cause electric shock resulting in severe injury Make sure that the battery polarity is connected correctly Keep the battery pack away from open flame or ignition sources Keep the battery pack away from children Read the manual before installing and operating ...

Page 6: ...l warnings before performing installation General safety precautions WARNING Failure to observe the precautions described in this section can cause seri ous injury to persons or damage to property Observe the following precautions Risks of explosion Do not subject the battery pack to strong impacts Do not crush or puncture the battery pack Do not dispose of the battery pack in a fire Risks of fire...

Page 7: ...mpt to open disassemble repair tamper with or modify the battery pack The battery pack is not user serviceable To protect the battery pack and its components from damage when trans porting handle with care Do not impact pull drag or step on the battery pack Do not subject it to any strong force Do not insert foreign objects into any part of the battery pack Do not use cleaning solvents to clean th...

Page 8: ... extin guisher WARNING The battery pack may catch fire when heated above 150 C If a fire breaks out where the battery pack is installed do these actions 1 Extinguish the fire before the battery pack catches fire 2 If it is impossible to extinguish the fire but you have time move the battery pack to a safe area before it catches fire 3 If the battery pack has caught fire do not try to extinguish th...

Page 9: ... is defined as a trained and qual ified electrician or installer who has all of the following skills and experience Knowledge of the functional principles and operation of on grid systems Knowledge of the dangers and risks associated with installing and using electrical devices and acceptable mitigation methods Knowledge of the installation of electrical devices Knowledge of and adherence to this ...

Page 10: ...5 RESU10 Length 452 mm 452 mm 452 mm Width 120 mm 120 mm 227 mm Height 401 mm 654 mm 483 mm Weight1 31 kg 52 kg 75 kg 1The weight varies slightly depending on the battery cell weights 452 120 654 452 RESU6 5 RESU10 RESU3 3 120 401 452 227 483 O N O F F C O N N EC TI O N K I T 10 ...

Page 11: ... area 33 to 50 mm2 Cable outer diameter 14 to 21 mm Cable lug hole size M8 Cable lug width 21 mm Maximum cable length 5 m per cable Environmental requirements Available operating temperature 10 to 45 C 14 to 113 F Optimal operating temperature 15 to 30 C 59 to 86 F Storage temperature 30 to 60 C 22 to 140 F Humidity 5 to 95 non condensing Altitude Below 2000 m 2 2 Features The RESU battery pack ha...

Page 12: ...y firmware update The BMS firmware can be updated to the latest ver sion See Firmware Update on page 32 2 3 RESU lineup There are three RESU battery pack models ON OF F CONNECTIONKIT RESU6 5 RESU10 RESU3 3 For details about these models see Technical data on page 10 12 ...

Page 13: ...move the honeycomb cushioning pads CO NN EC TIO N KIT ON OFF 3 Pull out the battery pack and stand it upright Check if the battery pack is damaged 4 All the other items are contained in a box in one corner of the carton Take them out and check if any item is miss ing See Package items on page 14 5 Replace the honeycomb cushioning pads Keep the carton for future stor age or transportation 13 ...

Page 14: ...ts the numbers of each item included Larger grommets for charging cables 2 Smaller grommets for other cables 3 Mounting brackets 2 M6 screw anchors 6 M5 screws 4 If anything is damaged or missing contact LG Chem or your distributor 3 3 Installation materials These installation materials shall be prepared by installers Charging cables Network cable Ground wire RJ45 plug Silicone sealant 14 ...

Page 15: ...e is minimal dust and dirt in the area There are no corrosive gases present including ammonia and acid vapor WARNING The RESU battery pack is designed to be waterproof and can be installed indoors as well as outdoors However if installed outdoors do not allow the battery pack to be exposed to direct sunlight and moisture CAUTION If the ambient temperature is outside the operating range the battery...

Page 16: ...per Voltmeter Tape measure Drill Use properly insulated tools to prevent accidental electric shock or short cir cuits Use adjustable tools and measuring instruments that are certified for precision and accuracy 3 6 Safety gear Wear the following safety gear when dealing with the battery pack Installers must meet the relevant requirements of international standards such as IEC 60364 or the domestic...

Page 17: ...mm 300 mm 300 mm 9 mm C O N N E C T I O N K I T O N O F F C O N N E C T I O N K I T O N O F F Make sure to leave a space of at least 9 mm between the battery pack and the wall A clearance of at least 9 mm must be left around the battery pack for proper cooling NOTE The shelf for the RESU battery pack is sold separately 17 ...

Page 18: ...rom moving If the battery pack is installed above the floor or on a platform make sure that the wall or platform is capable of supporting the battery pack s weight To mount the battery pack to a wall take the following steps O N O F F C O N N E C T I O N K I T 1 Remove the top cover Loosen the four hex socket screws at each corner of the top cover and then pull it upwards 2 Perform pre installatio...

Page 19: ... top of the both sides of the bat tery pack Secure the mounting brack ets to the holes using the M5 screws Tighten them to a torque of 5 N m 3 9 Checking before installation There are things to check before installing the battery pack to ensure that it has no defects CAUTION Make sure that the inverter is turned off while checking the battery pack Circuit breaker switch At the first installation m...

Page 20: ... grip push it to the ON position If the switch moves by itself to any of the other positions do not use the battery pack Contact LG Chem or your distributor Circuit breaker s trip button ON OFF C O N N E C T I O N K I T Make sure that the circuit breaker switch is put in the ON position and then press the circuit breaker s trip button If the cir cuit breaker switch has not moved to the Trip positi...

Page 21: ...distributor 2 Move the circuit breaker switch to the ON position and then measure the voltage If the voltage is lower than 38 V do not use the battery pack Con tact LG Chem or your distributor 3 10 Connecting the battery pack to the inverter WARNING Make sure that the inverter is turned off before connecting the battery pack to the inverter ON OFF C O N N E C T I O N K I T Before connecting the ba...

Page 22: ...t the network cable from the inverter does not have an RJ45 plug at the end Thread the network cable through a smaller grommet and then through the top of the smaller holes ON OFF C O N N E C T I O N K I T 2 Attach an RJ45 plug to the network ca ble using a wire stripper and network crimper See Making a network cable on page 25 ON OFF C O N N E C T I O N K I T 3 Connect the network cable to the co...

Page 23: ...nd then through the bottom of the smaller holes 2 Connect the ground wire to the ground screw and tighten it to a torque of 4 N m The screw type is M5 3 Push the grommet into the hole Charging cables connection ON OFF C O N N E C T I O N K I T 1 Make sure that the cross sectional area of the charging cables is 33 to 50 mm2 Thread the charging cables through each of the larger grommets and then thr...

Page 24: ...ets into the holes 3 11 Finalizing installation ON OFF C O N N E C T I O N K I T 1 Stuff the smaller grommets left un used with an insulating material like silicone sealant and then push them into the remaining holes 2 Apply silicone sealant or putty around the cable at each grommet to prevent foreign materials from entering the battery pack 3 Set the switches as described in Set ting rotary and D...

Page 25: ...ite with an orange stripe 2 Orange 3 White with a green stripe 4 Blue 5 White with a blue stripe 6 Green 7 White with a brown stripe 8 Brown 5 Bring the sorted wires together and trim them to about 1 4 cm in length 6 Hold the RJ45 plug with the copper contacts facing up and insert the wires into the plug making sure that they stay aligned and each color goes into its appropriate channel 7 Put the ...

Page 26: ...select 002 3 Rotary CAN_H 4 4 Rotary CAN_L 5 5 Rotary GND 2 6 DIP Term Res 112 NOTE If these switches are set incorrectly communication with the inverter cannot be established Setting for communication interface Use the SW select DIP switch to set what communication interface is used by the inverter This switch is initially set to 00002 Any other than those given in the following table is regarded...

Page 27: ...s set to 002 Bit On Off 1 JP3 JH3 2 Unused Unused Settings for CAN bus pins Use the CAN_H rotary switch to set which pin is used for CAN high signal by the inverter This switch is initially set to 4 Use the CAN_L rotary switch to set which pin is used for CAN low signal by the inverter This switch is initially set to 5 Use the GND rotary switch to set which pin is used for ground by the inverter T...

Page 28: ...L GND Setting Example 1 4 5 2 Example 2 1 2 3 Setting for terminal resistors Make sure that the TermRes DIP switch is set to 112 Bit On Off 1 CAN terminal resistor attached CAN terminal resistor unattached 2 Unused Unused 28 ...

Page 29: ...This indicator is lit when the battery pack is in a warning state See Troubleshooting on page 31 4 2 Starting the battery pack Put the battery pack in operation by taking these steps 1 Move the circuit breaker switch to the ON position to turn on the battery pack 2 Make sure that the ON indicator is lit If it stays off do not use the battery pack Contact LG Chem or your distributor 3 Turn on the i...

Page 30: ...tery pack take these steps 1 Turn off the inverter 2 Remove the top cover from the battery pack 3 Turn off the battery pack by moving the circuit breaker switch to the OFF position 4 Make sure that every LED indicator on the battery pack is off 5 Replace the top cover 30 ...

Page 31: ...r immediately stops operation Use the monitoring software on the inverter to identify what caused the warn ing The possible warning messages are as follows Battery Over Voltage Battery Under Voltage Battery Over Temperature Battery Under Temperature Battery Discharge Over Current Battery Charge Over Current BMS Internal Communication Battery Cell Voltage Imbalance The abnormal state is cleared whe...

Page 32: ...It must have only one firmware file in the root directory For details about supported memory cards see Supported Memory Cards on page 36 Take these steps to update the firmware O N O F F C O N N E C T I O N K I T 1 Turn off the inverter 2 There is a round lid on the left part of the top cover covering the memory card slot below it Turn the lid coun terclockwise and pull it upwards to re move it 3 ...

Page 33: ...h in cycles un til the firmware update is complete Only the ON indicator is lit when the firmware update is successful If it fails the Warning indicator lights for two seconds Check the memory card and try again If it persistently fails contact LG Chem or your distributor O N O F F C O N N E C T I O N K I T 7 Replace the lid 8 Turn on the inverter 33 ...

Page 34: ...ects that result from the following causes Improper transportation or storage Incorrect installation wiring or handling Non compliance with LG Chem s installation or operation manual Operating the product in an inappropriate environment Incorrect or inappropriate operation Insufficient ventilation Failure to adhere to safety warnings or instructions Repairs or modifications performed by unauthoriz...

Page 35: ...le life 90 DOD 25 C 77 F 6000 cycles Cycle life 80 DOD 25 C 77 F 10000 cycles Communication interface CAN 2 0B Cooling Natural convection Battery pack safety CE RCM TUV IEC 62619 UL 1973 Battery cell safety UL 1642 UN number UN 3480 Hazardous materials classification Class 9 UN transportation testing requirements UN 38 3 International protection marking IP55 35 ...

Page 36: ...s and models These memory cards are tested and guaranteed to work by LG Chem SanDisk SDHC 4 GB SanDisk Ultra SDHC10 8 GB SanDisk Ultra MicroSD1 8 GB Trenscend SDHC4 32 GB Trenscend SDHC10 600x 32 GB Transcend Premium 400x MicroSD10 8 GB Transcend Premium 400x MicroSD10 16 GB Transcend Premium 400x MicroSD10 32 GB Toshiba Exceria MicroSD3 32 GB 36 ...

Page 37: ...Keep this manual for later use LG Chem LG Twin Towers 128 Yeoui daero Yeongdeungpo gu Seoul 07336 Korea ...

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