CPS Energy Balancer User Manual
Contents
1. cccccceeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeaes 17 2 3 4 Installation of conduit ccccccccsseeeeeeeseeeeeeesseeeeeeeeseaeeeeeeeas 17 2 3 5 Output dry contact connection ccccseeeeeeeeeeeeeeeeeeaeeeeeeeees 18 2 3 6 Recommended FUSES rrrrnnnnnnnnnrrnrnnnnnrvnvnnnnnrennnnnnnsrnnnnnsnnenn 18 Chapter 3 Operalloh scssi iaiia 19 EG Eg Vo A 19 2 MUL 6 910 EE EK NE 19 3 3 Status of indicator lights rrorrrrrrrrrrrrnnnnrrrrrrrrrnnnnnrrrrrnrrnnnnsnnnennnn 19 3 4 THOUDICSHOOUNG wcccecesinccnccecenencdepancensccuecdedetedwonsenauanndetsdseeinnenadadsvebers 21 Chapter 4 Technical Data naanannnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnn nenna 23 Chapter 5 Limited Warranty ernnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnennnnnnnnnnnnvennnnnnn 25 Before You Start This manual contains important information regarding installation and safe operation of this unit Be sure to read this manual carefully before using Thanks for choosing CPS Energy Balancer referred to in this manual as The Energy Balancer CPS Energy Balancer is a highly reliable product due to its innovative design and perfect quality control If you encounter any problems during installation or operation of this unit first check this manual before contacting your local dealer or supplier Instructions inside this manual will help you solve most installation and operation difficulties Please keep this manual on hand for quick2. C p l NC pee I poe I DIP Switch S30 Rae x NO x NO Note The default output voltage of the Energy Balancer is set to 400V Please follow the guidelines when setting the output voltage a It is forbidden to configure the dip switch when the Energy Balancer is energized Disconnect the device from all electrical connections to avoid the risk of high voltage hazard b Check and make sure the output voltage of the Energy Balancer is lower than the withstand voltage of the Y capacitor on the DC side of the inverter to avoid damaging the inverter 2 3 2 DC connection 1 Please follow the guidelines to achieve the optimized effect of the Energy Balancer a Make sure the Voc of the PV strings is lower than 1000Vdc under any conditions b One Energy Balancer can only work with one inverter and the equivalent capacity load of PV strings should be lt 1 2uF c Connect the PV1 cables from the PV strings to the P11 socket of the Energy Balancer and the PV2 cables to the P16 socket Make sure the polarities of PV cable match the positive and negative marks on the sockets d The ground cable from PV strings should be connected to the P13 PV output grounding terminal e When connecting the inverter check and make sure the output voltage of the Energy Balancer is lower than the withstand voltage of the Y capacitor on the DC side of the inverter to avoid damaging the
3. hole for AC input cable entry 3 Knockout hole for DC output cable entry Chapter 2 Installation Below is the installation instruction of the Energy Balancer Please read carefully and install the product step by step Check and make sure that the following items are included in the package before installation as shown in Table 3 1 Table 3 1 Main items CPS EB 2 Installation and 1 Operation manual EL Warranty card Packing list 2 1 Basic requirements AN NOTICE Do not install the Energy Balancer under direct sunlight to avoid conversion efficiency de rating caused by excessively high temperature v Check and make sure that the ambient temperature of the installation location is 86 F to 140 F 30 C 60 v Make sure that the power grid voltage is within normal range v Permission of grid connection has been granted by the local electric power authority v Installation personnel must be qualified electricians or people who have received professional training v Sufficient convection space v Away from flammable and explosive substances 2 2 Mechanical installation 1 Dimensions The dimensions of the Energy Balancer are shown in Figure 3 1 NAST a or LE Lo 0 ED BE O z LO N O 1 ed 80mm 320mm 12 60in 3 15in Figure 3 1 Dimensions of CPS SC20KT
4. inverter 2 Please choose the corresponding cable connection way according to the MPPT working mode of the inverter a When connecting the inverter that works with one MPPT please short circuit the PV2 terminal with the PV2 terminal on the socket of the Energy Balancer as shown below Figure 3 7 The cable connection with the inverter working with 1 MPPT 16 b When connecting the inverter that works with two MPPTs please connect the cables as shown below Figure 3 7 The cable connection with the inverter working with 2 MPPTs 2 3 3 AC and ground connection Connect the L and N cables to the P10 socket and connect the ground cable to the grounding terminal of the Energy Balancer 2 3 4 Installation of conduit Please select the EMT or ENT as the conduit for cable connection The size of conduit should be 1inch or 1 25inch If conduits are not used for installation please make sure the same protection level as follows a The Energy Balancer meets the waterproof and dustproof level 17 b The cables are free from tension 2 3 5 Output dry contact connection The Energy Balancer has an output dry contact port through which the fault can be reported to the inverter It is recommended to connect a 5SKO resistance to the positive terminal of the P15 socket to raise the voltage to 15V and connect a 15V Gnd cable to the negative terminal of the P15 socket 2 3 6 Recommended fuses Please disconnect
5. reference IMPORTANT SAFETY INSTRUCTIONS SAVE THESE INSTRUCTIONS Please read this user manual carefully before undertaking the installation CPS reserves the right to refuse warranty claims for equipment damage if the user fails to install the equipment as per the instructions in this manual Warnings and symbols in this document DANGER DANGER indicates a hazardous situation which if not avoided will result in death or serious injury WARNING WARNING indicates a hazardous situation which if not avoided could result in death or serious injury CAUTION CAUTION indicates a hazardous situation which if not avoided could result in minor or moderate injury NOTICE NOTICE indicates a hazardous situation which if not avoided could result in equipment working abnormally or property loss INSTRUCTION INSTRUCTION indicates important supplementary information or provides skills or tips that can be used to help you solve a problem or Ee The meaning of mark on the product EARTH GROUND This symbol marks the location of grounding terminal which must be securely connected to the earth through the PE protective earthing cable to ensure operational safety DANGER Please disconnect the Energy Balancer from DC and AC sides before opening the cover of the device Make sure hazardous high voltage and energy inside the device has been discharged Do not operate or maintain the Energy Balancer
6. the AC and DC sources before replacing the fuses Table 3 5 Recommended fuses for Energy Balancer AC fuse 500Vac 3 15A 04773 15MXP Littelfuse Chapter 3 Operation 3 1 Start up Automatic start up When the output voltage of PV strings is lower than 50V the AC grid is normal and the environmental termperature is within operating range the Energy Balancer will start up automatically 3 2 Shut down Automatic shut down The Energy Balancer will shut down automatically when any one of the following conditions happens 1 The output voltage of PV strings exceeds 75V 2 Reverse connection of polarities of PV cables 3 Over load or short circuit of DC output 4 Fault of AC grid 5 Environmental temperature exceeds normal range 6 Disconnection of PV voltage sampling cables 3 3 Status of indicator lights The Energy Balancer has 3 working modes Each mode has a corresponding indicator status as shown below Q Table 5 1 LED Indication Description Meaning Energized by AC power Work power supply indicator light No working power supply In charging and resetting Grid connection operation state indicator light Standby or no working power supply Fault occurs Fault state indicator light No fault or no working power supply 1 Standby mode the POWER indicator lights up In this mode the Energy Balancer stands by to check whether the start up conditions are met to start up working norm
7. Bons CPS Energy Balancer Installation and Operation Manual Version 1 0 crs _ CHINT POWER SYSTEMS AMERICA CO LTD Address 700 International Parkway Web www chintpower com na Suite 102 Richardson Texas Email americasales chintpower com Zip Code 75081 Service Hotline 855 584 7168 SHANGHAI CHINT POWER SYSTEMS CO LTD All rights reserved Specifications and designs included in this manual are subject to change without notice amp CHINT POWER 2013 08 MKT PN 9 0020 0134B0 Table of Contents Pee You Stari sicescrcetesveersaeota tems denessieosoueetesiessarsotaracecsusaseiectorsesssuespiacis 1 IMPORTANT SAFETY INSTRUCTIONS nnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnn 2 Chapter 1 OvervieW ssssssnunnnsnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnn cere ete 5 1 1 Application of CPS Energy Balancer rrrrnnnnnnnnnnvrrvvvnnrrnnnnrrrerennnn 5 1 2 Appearance description of CPS Energy Balancer cc8 6 Chapter2 InsEl llbn 44474272 7412 27 veveri 7 2 1 Basic requirements rrrrnrrrnnnnnrrvrnnnrvnrnnnvnvnnnnvnrnnnrnnvnnnrnnnnnnrnnnnnsen 8 2 2 Mechanical installation cccccseecccseeeeeceeeeeeeeeeeeeseeeeesaeeeeeseeeeens 9 2 3 Electrical installation cccccccccsseececseeeeeceeeeeeeeeeeeeseeeeesaeeeeeseeeeeens 12 2 3 1 Set the output voltage cee eeccccsseeeeeeeeeeeeeeeesaeeeeeeesaeeeeeeeeas 14 232 DO ENN 15 2 3 3 AC and ground CONNECTION
8. CPS EB 2 Nominal Input Power 10W Max Input Current Norminal Grid Voltage Allowable Grid Voltage Rated Grid Frequency Max Output Voltage 1000Vdc Output Voltage Range Max Output Current Max Output Number Protection Degree Operating Temperature Range 22 F to 140 F 30 C to 60 C Operating Altitude Operating Humidity 0 95 non condensing Stand by Night Consumption Display Dimensions WxHxD 1 CPS Energy Balancer has two channels of PV output The Max Output Current is 6mA in total The two channels may not share the same current because of the difference of PV strings 23 24 Chapter 5 Limited Warranty The warranty policy of this product is specified in the contract otherwise the warranty period is 5 years For service Chint Power Systems America will provide local support For Warranty terms please refer to the CPS America standard warranty policy in place at time of purchase 25
9. L DO US 480 2 Check whether the wall to install the Energy Balancer is solid enough a The Energy Balancer supports vertical installation for cables coming out from the downside b The Energy Balancer supports slanting installation by 15 to 90 Cable Cable Figure 3 2 Mounting the Energy Balancer properly 9 3 Space required for the Energy Balancer mounting on the wall as shown in Figure 3 3 The Energy Balancer should be mounted vertically The distances between the inverter and the surrounding objects should meet the following conditions two sides from the walls 2100mm 3 94in top distance 2100mm 3 94in bottom distance 2300mm 11 81in YU E 100 3 94in JPP 100mm 3 94in 100mm OI 3 94in PIP 11 81in 300mm UNN Figure 3 3 Inverter mounting dimensions 4 Install the Energy Balancer a Mark the 4 expansion screw holes for mounting the device Q DANGER The natural gas pipe or electric cable may be located behind the mounting wall The pipe or cable can be damaged when drilling the holes Please check and make sure the installation place is secure without pipe or cable to avoid the risk of electric shock or explosion b Drill the holes on the mounting wall Table 3 2 Specifications of drilling holes Length 30mm 1 18in c Fix th
10. ally 20 2 Normal operation mode the POWER and RUN indicators light up In this mode the Energy Balancer is in normal operation 3 Fault mode the POWER and FAULT indicators light up In this mode the Energy Balancer will disconnect the output and enter the fault mode WARNING All the installation and wiring connections should be performed only by qualified technical personnel Disconnect the Energy Balancer from PV strings and the AC grid before maintaining and operating the equipment 3 4 Troubleshooting The LED indication and fault of the ENERGY BALANCER RUN lights off Reverse The voltage of reverse FAULT lights up connection of the connection is higher than 70V polarities of PV1 Fault shutdown FAULT keeps and PV2 lighting up 21 Over temperature When the environmental temperature is higher than 60 C FAULT keeps lighting up When the environmental temperature is lower than 50 C the power will recover RUN lights off Over load or Fault shutdown If the over load FAULT blinks once Short circuit of DC or short circuit persists the output FAULT will blink once every 90s Over voltage of Fault shutdown If the DC output overvoltage persists the FAULT will blink once every 90s Open circuit of Fault shutdown If the open PV1 and PV2 circuit persists the FAULT will voltage sampling blink once every 90s circuit 22 Chapter 4 Technical Data Model Name
11. e Energy Balancer on the wall with expansion screws Figure 3 4 Install the Energy Balancer on the wall 11 2 3 Electrical installation The cable connection terminals of the Energy Balancer are shown in Figure 3 5 Figure 3 5 The cable connection terminals of the Energy Balancer PositionDescription Connector for AC input 18 10AWG Connector for PV1 P11 18 10AWG oltage detection grounding Screwdriver Connector for Output dry 3mm 22 18AWG contact Screwdriver Connector PV2 voltage 4mm 18 10AWG detection Screwdriver Terminal for Protection 2 18 10AWG grounding Screwdriver 2 3 1 Set the output voltage The output voltage of the Energy Balancer can be configured by the DIP switch S30 Each DIP switch in Figure 3 6 corresponds with the output voltage as below rv E 7 I p E 7 I a x NO gt x NO v 2 I A
12. until at least 5 minutes after disconnecting all sources from DC and AC sides WARNING All the installation and cable connections should be performed only by qualified technical personnel Disconnect the Energy Balancer from both DC and AC sides and make sure it is safely grounded before maintaining and operating the device NOTICE CPS Energy Balancer can NOT be applied in the energy storage PV sysiem NOTICE Do not install the Energy Balancer under direct sunlight to avoid conversion efficiency de rating caused by excessively high temperature CAUTION Although designed to meet international safety standards the Energy Balancer can become hot during operation Do not touch the heat sink or peripheral surfaces during or shortly after operation Chapter 1 Overview 1 1 Application of CPS Energy Balancer The Potential Induced Degration PID phenomenon of crystalline silicon PV modules can directly affect and obviously reduce the output power of PV modules The Energy Balancer can impose 400V 950V high voltage on the PV modules and protecting earthing PE to effectively recover the PID problem Figure 2 1 Diagram of CPS Energy Balancer connection 1 2 Appearance description of CPS Energy Balancer Figure 2 2 Appearance of CPS Energy Balancer Description of main items of CPS Energy Balancer see Figure 2 2 1 LED indicator lights show the status of CPS Energy Balancer 2 Knockout
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