Sofar solar ME3000SP User Manual
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Sofar solar ME3000SP User Manual

Energy storage inverter
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ME3000SP
User manual
Energy Storage Inverter ME3000SP
User Manual
2019-9-29
Copyright © Shenzhen SOFARSOLAR Co., Ltd

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Summary of Contents for Sofar solar ME3000SP

  • Page 1 ME3000SP User manual Energy Storage Inverter ME3000SP User Manual 2019-9-29 Copyright © Shenzhen SOFARSOLAR Co., Ltd...

  • Page 2: Table Of Contents

    4.5 Critical Load Connection (EPS function)..............15 4.6 WIFI/GPRS module installation procedure..............16 5. Buttons and indicator lights.....................17 5.1 Buttons........................... 17 5.2 Indicator lights....................... 17 5.3 Status of ME3000SP...................... 17 6. Operation..........................18 6.1 Double Check.........................18 6.2 First Time Setup (IMPORTANT!)................. 18 6.3 Commissioning......................21 6.4 Menu..........................

  • Page 3: Preface

    Scope This product manual describes the installation,electrical connections, commissioning,maintenance and troubleshooting of ME3000SP . Keep this manual where it will be accessible at all times. Target Group This manual is intended for qualified electrical technical personnel who are responsible for inverter installation and commissioning in the PV power system and PV plant operator.

  • Page 4: Me3000Sp Introduction

    ME3000SP controls bi-directional flow of electric power, work under auto or time-of-use (TOU) modes, charge / discharge the battery when needed. In auto mode, ME3000SP will charge surplus renewable energy into the battery & discharge battery to supply power to local load when renewable energy is not enough.

  • Page 5: Safety Notes

    Use a multimeter to check the batter voltage & polarity before switching ON batteries. Make sure connections  are correct according to this manual. If you want to store the batteries without using them, they should be disconnected from ME3000SP, and be  kept in a cool, dry, and ventilated environment.
  • Page 6 Wear rubber gloves and shoes. Do not put tools or metals above the battery. Switch off ME3000SP & batteries before connecting / disconnecting battery terminals. Battery positive / negative poles should be isolated from ground. Copyright © Shenzhen SOFARSOLAR Co., Ltd...

  • Page 7: Installation

    User manual 3.Installation 3.1Product Overview ME3000SP is 100% strictly inspected before package and delivery. It is forbidden to put ME3000SP upside down during delivery. Please check the product package and fittings carefully before installation. Fig. 2 ME3000SP & mounting bracket 3.2Packing List...

  • Page 8: Installation Environment

    Relative humidity: 0 ~ 100% (non-condensed). ME3000SP shall be installed in a well-ventilated place. No flammable or explosive materials close to ME3000SP. ME3000SP shall be connected to the electrical grid with an overvoltage category III or category II. Maximum altitude: 2000m. 3.4Installation Tools The following tools shall be prepared before installation: Copyright ©...
  • Page 9 ME3000SP User manual Tool Model Function Hammer drill Used to drill holes on the wall Recommend drill dia.6mm Screwdriver wiring Wire stripper Strip wire Turn the screw to connect rear panel 4mm Allen Key with inverter Crimping tools Used to crimp power cables...

  • Page 10: Installation Position

    ME3000SP User manual 3.5Installation Position ME3000SP should be vertically mounted (to ensure fast heat dissipation), please choose a position without direct sunlight / snow accumulation to install ME3000SP. Fig. 4 Installation Position of ME3000SP 3.6Mount ME3000SP Step 1: Put the mounting bracket properly on the wall, mark these 8 drill holes using a marker pen. Drill 8 holes (drill bit 6mm) on the wall.

  • Page 11: Electrical Connection

    Use a multi-meter to check the DC polarity before connecting the DC power cable between battery & ME3000SP. It’s recommended to install a rotary DC isolator (100A) between ME3000SP and batteries. Thus, ME3000SP can be securely disconnected during installation/maintenance. It’s necessary to install a AC circuit breaker (25A) between ME3000SP and electrical grid.

  • Page 12: Inverter Logic Interface Connect

    ME3000SP User manual Step 1: Loosen 4 screws (A) using a screwdriver (fig. 6); Step 2: Remove the waterproof cover (B), loosen the cable gland (C), and then remove the stopper (G); Step 3: Route the battery wires (F) through the cable gland, then connect battery wires using OT terminal (E);...
  • Page 13 ME3000SP User manual The inverter will detect and initiate a response to all supported demand response commands within 2 s. The inverter will continue to respond while the mode remains asserted. Table 4-1 Function description of the DRMs terminal Pin NO.
  • Page 14 ME3000SP User manual Relays common node Not Connected Not Connected Not Connected Not Connected Table 4-3 The inverter is preconfigured to the following RRCR power levels Relay status: close is 1, open is 0 Active Power Cos(φ) 100% （c） Logic interface for EN50549-1:2019, is in order to cease active power output within five seconds following an instruction being received at the input interface.

  • Page 15: Ct / Rs485 / Ntc Connection

    ME3000SP User manual 4.3CT / RS485 / NTC connection Fig. 10 Schematic Diagram (ME 3000SP: energy storage add-on to existing renewable system) Step 1: Location of CTa: L wire of incoming mains. Location of CTpv: L wire of PV inverter’s output.
  • Page 16 Step 5: Route CT cable through the cable gland, connect CT cable to CT terminal, then insert CT terminal into corresponding ports. Step 6: One communication cable is provided in the ME3000SP accessory bag. One inverter end, one BAT end.

  • Page 17: Grid Connection

    ME3000SP User manual Communication cable between battery & CAN communication ME3000SP ME3000SP CAN port PYLONTECH US2000 PLUS / US2000B CAN port Note: Please confirm with representative of PYLONTECH that your battery is compatible with ME3000SP Step 7: Connect NTC for lead acid batteries only: Fig.

  • Page 18: Critical Load Connection (Eps Function)

    ME3000SP User manual Fig. 14 Grid & Load connection 4.5Critical Load Connection (EPS function) Critical load: in case of grid outage, if EPS function is enabled, ME 3000SP will work in EPS (Emergency Power Supply) mode, discharge the battery & supply power to critical load via LOAD port.

  • Page 19: Wifi/Gprs Module Installation Procedure

    ME3000SP User manual Fig. 15 AC contactor front view, top view, and connection Fig. 16 Critical load connection (AC contactor: 2 NC, 2 NO) 4.6WIFI/GPRS module installation procedure Step 1:Remove WIFI/GPRS waterproof cover using screw driver. Step 2:Install WIFI/GPRS module.

  • Page 20: Buttons And Indicator Lights

    Discharging light ON: discharging the battery Charging status Light（Green） Charging light ON: charging the battery Alarm light（Red） Alarm light ON: there’re some events in current event list. 5.3Status of ME3000SP Status of ME3000SP Discharging Green light Charging Green light Alarm Red light...

  • Page 21: Operation

    DC isolator is correctly connected between battery & ME3000SP, DC isolator: OFF; GRID / LOAD cables are firmly / correctly connected; AC circuit breaker is correctly connected between ME3000SP GRID port & GRID, AC circuit breaker: OFF; AC contactor (if present) is correctly connected (fig. 12);...
  • Page 22 If you’re using “1. PYLON”, “2. DARFON”, “4. General Lithium”, “5. Alpha. ESS” & “6. SOLTARO” battery types, congratulations, ME3000SP’s first time setup is complete. Please press “OK” to enter the main interface.But if you’re using “3. DEFAULT” battery type. We need more information regarding your battery.
  • Page 23 ME3000SP User manual Select “2. History Event List”, press “OK” to check the history events. Press “up” or “down” to check all history events if there’re more than 1 page of events. 6.2.2System information interface The following information will be shown in 3. System Information 3.System Information...

  • Page 24: Commissioning

    The main interface: Fig 15. Screen of ME3000SP If you didn’t change the work mode of ME3000SP, which means ME3000SP is working in “Auto Mode”: While “PV Production” > “Home Consumption” (fig 15) If the battery is not full. ME3000SP will charge the battery.
  • Page 25 For example: if Discharge Depth = 50% & EPS Discharge Depth = 80%. While electric grid is connected: ME3000SP won’t discharge the battery when its SOC is less than 50%. In case of blackout: ME3000SP will work in EPS mode (if EPS mode is enabled) & keep discharging the battery till battery SOC is less than 20%.
  • Page 26 ME3000SP User manual Input the value of Empty Discharged Voltage per battery specification. 11) * Full Charged (V) (only for DEFAULT battery type) Input the value of Full Charged Voltage per battery specification. 12) Save The above information must be saved in this option after setting.
  • Page 27 ME3000SP User manual Autotest Fast Select “1. Autotest Fast”, then press “OK” to start Auto test Fast. Start Autotest ↓ Press “Ok” to start Testing 59.S1... ↓ Wait Test 59.S1 OK! ↓ Wait Testing 59.S2... ↓ Wait Test 59.S2 OK! ↓...
  • Page 28 ME3000SP User manual 59.S2 threshold 264.5V 200ms ↓ Press “Down” 59.S2: 229V 204ms ↓ Press “Down” 27.S1 threshold 195.5V 400ms ↓ Press “Down” 27.S1: 228V 408ms ↓ Press “Down” 27.S2 threshold 92V 200ms ↓ Press “Down” 27.S2: 227V 205ms ↓...
  • Page 29 5. Peak Shaving Mode Set Auto Mode Select “1. Set Auto Mode”, then press “OK”. In auto mode, ME3000SP will automatically charge & discharge the battery. PV generation ~= LOAD consumption ( Δ P < PV generation > LOAD consumption, the 100W), ME3000SP will stay in Standby state.
  • Page 30 Timing Mode is shown as below. You can select a charge time/power & discharge time/power in this mode. Note: normally this mode is used to test whether ME3000SP can charge & discharge correctly or not. So basically, this mode is used for testing purposes only.
  • Page 31 ME3000SP User manual Set Passive Mode Select “4. Set Passive Mode”, and then press “OK”. For more detailed information, please ask representative of SOFAR to get a copy of passive mode communication protocol. Peak Shaving Mode Select “5. Peak Shaving Mode”, then press “OK” to enter Peak Shaving Mode.
  • Page 32 ME3000SP User manual 6.4.3System information interface The following information will be shown in 3. System Information 3.System Information System Information (1) Product SN Software Version Hardware Version RS485 Address System Information (2) Country EPS Mode Work Mode System Information (3)
  • Page 33 ME3000SP User manual Step 2 Press the SD card and take it out. Insert the SD card into a micro-SD card reader, then insert micro-SD card reader into a PC; (NOTE: micro-SD card reader & PC are not provided by SOFARSOLAR).

  • Page 34: Technical Data

    ME3000SP User manual 7.Technical Data Model ME3000SP Battery Parameters Battery Type Lead-acid, Lithium-ion Nominal battery voltage Battery voltage range 42 - 58V Recommended battery capacity 200Ah (100 – 500 Ah optional) Recommended storage capacity 9.6 kWh Max charge current Charge current range 0 –...
  • Page 35 ME3000SP User manual Relative humidity range 0% - 100% (no condensing) Protective class Class I Max operating altitude 2000m Current transformer connection Hard wired General data Noise <25dB Weight 16kg Cooling Natural convection Dimensions (W*H*D) 532 x 360 x 173 mm...

  • Page 36: Troubleshooting

    If you confirm that AC wiring is correct & grid voltage/frequency is within acceptable range, the alarm still occurs repeatedly, try to change country code to 22. Then restart ME3000SP to see if problem is solved. Copyright © Shenzhen SOFARSOLAR Co., Ltd...
  • Page 37 The battery voltage is too high the overvoltage setting of the battery consistent with the parameter of battery manufacturer and contact SOFAR technical support. ID09- ID26 are internal faults of ME3000SP, HW_LLCB LLCBus voltage is too high and ID09 turn OFF the DC isolator & AC circuit breaker,...
  • Page 38 OverTempF ID59 The environment temp is too high ault_Env ID53-ID77 are internal faults of ME3000SP, unrecoverH The grid current is too high and has turn OFF the DC isolator & AC circuit breaker, ID65 wAcOCP cause unrecoverable hardware fault wait for 5 minutes, then turn ON the DC isolator and turn ON the AC circuit breaker.
  • Page 39 ME3000SP User manual unrecoverR ID77 Relay has happen permanent fault elayFail 1. Please make sure ME3000SP is installed in a place without direct sunlight/other heat source. 2. Please make sure ME3000SP is installed in a Over ID81 Internal temperature is too high.
  • Page 40 ME3000SP User manual problem. Battery over current discharging ID100 BatOCD ID100-ID103 is battery fault. If this fault occurs protect occasionally, wait few minutes to see whether ID101 BatSCD Discharging short circuit protect the problem is solved. ID102 BatOV Battery high voltage protect If this fault occurs frequently, please contact SOFAR technical support.

  • Page 41: Quality Assurance

    ME3000SP User manual 9.Quality Assurance Standard warranty period The standard warranty period of inverter is 60 months (5 years).There are two calculation methods for the warranty period: 1. Purchase invoice provided by the customer: the first flight provides a standard warranty period of 60 months (5 years) from the invoice date;...

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