Quick User Manual SH3K6 / SH4K6 Grid-Connected Hybrid Inverter

Quick User Manual SH3K6 / SH4K6 Grid-Connected Hybrid Inverter SH3.6_4.6K-QUEN-Ver14-201805 Version:1.4

All Rights Reserved No part of this document can be reproduced in any form or by any means without the prior written permission of Sungrow Power Supply Co., Ltd. Trademarks and other Sungrow trademarks used in this manual are owned by Sungrow Power Supply Co., Ltd. All other trademarks or registered trademarks mentioned in this document are owned by their respective owners. Notice In no case shall this manual substitute for the user manual or related notes on the device. Contents will be periodically updated or revised due to product development. The information in this manual is subject to change without advance notice! Make sure to read over, fully understand and strictly follow the detailed instructions in the user manual and other regulations before installation. Any violation could result in personal death, injury or damage to the device. The latest manual can be acquired at www.sungrowpower.com. Contact Information Should you have any questions about this product, please contact us: Company: Website: E-mail: Address: Sungrow Power Supply Co., Ltd. www.sungrowpower.com info@sungrow.cn, service@sungrow.cn No. 1699 Xiyou Rd., New & High Technology Industrial Development Zone, Hefei, P. R. China. Zip: 230088 Telephone: +86 551 6532 7834, +86 551 6532 7845 Fax: +86 551 6532 7856 I

System Overview Wiring diagram for a single-phase system with a Li-ion battery (CAN communication) Inverter inside Copper A2 B2 BAT_Com. CANH CANL Utility Grid Main Switch L N PE 1-phase sensor A B Circuit breaker PV1 PV2 SUNGROW meter Fuse (optional) L N Li-ion battery PE bar Neutral bar Home appliance Installation of the copper is required in case of parallel PV input. The CT clamp of 1-phase sensor can be placed before or after the main switch. II

CANH CANL Wiring diagram for a three-phase system with a Li-ion battery (CAN communication) Inverter inside Copper A2 B2 Utility Grid Main Switch AC circuit breaker L1 L2 L3 N PV1 PV2 Load side OUT PE IN Grid side SUNGROW meter A B Fuse (optional) PE bar Neutral bar Installation of the copper is required in case of parallel PV input. Home appliance Li-ion battery BAT_Com CANH CANL. III

Monitoring Earth Fault Alarm Inverter inside DO1 DO2 COM1 NO1 COM2 NO2 Direct mode Light SolarInfo Moni APP SolarInfo WiFi Buzzer Wi-Fi NO2 240V AC Ethernet COM2 SolarInfo Bank Server Router/Switch Notice: 1. The earth fault alarm can also be sent to your email by the SolarInfo Bank server. SolarInfo Bank Webserver Explorer 2. The buzzer inside the inverter will beep if an earth fault occurs. IV

CANH CANL Retrofitting the existing PV system at a single-phase system Inverter inside Copper PV inverter Utility Grid Main Switch 1-phase sensor Circuit breaker PV1 PV2 L N A PE B L N PE bar Neutral bar Home appliance Installation of the copper is required in case of parallel PV input. The CT clamp of 1-phase sensor can be placed before or after the main switch. A2 B2 Fuse (optional) Li-ion battery V

CANH CANL Retrofitting the existing PV system at a three-phase system Inverter inside Copper PV inverter Utility Grid Main Switch AC circuit breaker L1 L2 L3 N PV1 PV2 Load side OUT PE IN Grid side SUNGROW meter A B PE bar Neutral bar Installation of the copper is required in case of parallel PV input. Home appliance A2 B2 Fuse (optional) Sungrow battery VI

Contents System Overview... II 1 Installation... 1 1.1 Location Requirements... 1 1.2 Installing the Inverter... 2 1.3 Grounding the Inverter... 3 1.4 Installing the Meter... 4 2 Electrical Connection... 5 2.1 Terminal Description... 5 2.2 Meter Connection... 6 2.3 Grid Connection... 10 2.4 PV Connection... 11 2.5 Communication Connection... 12 2.6 Battery Connection... 13 2.7 DO Connection... 15 2.8 Retrofitting the Existing PV System... 16 2.9 Connecting to Interface Device for SPI (Italy)... 17 3 Commissioning... 20 3.1 Button Function... 20 3.2 Commissioning Procedure... 21 3.3 Result Verification... 25 4 SolarInfo Moni App Configuration... 30 4.1 App Operation Requirements... 30 4.2 Installing the App... 30 4.3 Visiting in Local Access Mode... 31 4.4 Visiting in "[Login]" Mode... 32 5 LCD Operation... 33 5.1 Main Screen... 33 5.2 Viewing the Error Codes... 34 VII

5.3 LCD Menu... 35 5.4 Setting the Country Code... 36 5.5 Setting the Protective Parameters... 37 5.6 Setting the Communication Parameters... 38 6 Troubleshooting... 39 6.1 Troubleshooting of the Indicator... 39 6.2 Troubleshooting of the Errors... 39 7 Appendices... 48 7.1 Inverter Technical Data... 48 7.2 Meter Technical Data... 50 VIII

1 Installation 1.1 Location Requirements The concrete wall should be suitable for the weight and dimensions of the inverter. The location should be convenient for installation, cable connection and service. The location should be not accessible to children. The location should be away from flammable materials or gas, and the environment should not be enclosed. Flammable wall Flammable material or gas near the installation Closed cabinet The shaded side of the building would be better. Direct sunlight Direct rain fall Snow accumulation 1

1 Installation Quick User Manual Install vertically for sufficient heat dissipation. Clearance requirements for single and multiple installation: 300mm 300mm 300mm 300mm 1.2 Installing the Inverter Install the inverter on the wall by means of the wall-mounting bracket and the expansion plug sets. The depth of the holes should be about 70 mm. Be sure to adhere to the following screw assembly sequence: self-tapping screw, spring washer, fender washer, wall-mounting bracket. 1 Mark the positions 2 Drill the holes 240 mm φ10 D 70 mm 2

Quick User Manual 1 Installation 3 Place the expansion tubes 4 Secure the bracket 5 Mount the inverter to the bracket 6 Secure the inverter with two M5 screws and washers (3.0 N.m) 1.3 Grounding the Inverter A second protective earth (PE) terminal is equipped at the side of the inverter. Be sure to connect this PE terminal to the PE bar for reliable grounding. M5 Fig. 1-1 Second PE Terminal In no case shall the second PE connection substitute for the PE connection on the terminal block of AC connector. Be sure to connect both PE terminals for reliable grounding. The loss of any or all rights may follow if otherwise. 3

1 Installation Quick User Manual Second PE Connection A B C D E Item Description Specification A Cable socket - B Washer - C Spring washer - D Screw M5 x 12 mm (3.0 N m) E Yellow-green cable 6 10 mm 2 copper wire or 10 16 mm 2 aluminum wire 1.4 Installing the Meter The SUNGROW meter should be installed next to the main switch. It supports a 35 mm DIN-rail installation, as shown in the following figure. Single-phase Energy Meter Fig. 1-2 Installing the Energy Meter to the Rail Three-phase Energy Meter The single-phase Energy Meter and the three-phase Energy Meter are alternative in the delivery. The meter figures in this document have been created for the three-phase Energy Meter unless otherwise specified. 4

2 Electrical Connection For the TT utility grid, the N line voltage to ground must be less than 30 V. 2.1 Terminal Description Connection terminals on the inner configuration circuit board are shown below: Fig. 2-1 Configuration Circuit Board Inside the Inverter No. Label Connection Tool Requirements 1 Copper PV (for parallel mode) Phillips screwdriver 2 Ethernet Communication - 3 DRM Flat-head screwdriver Local control for SPI with an open end of 2 (Italy) mm 4 DI Reserved - A1, B1 for external Flat-head screwdriver 5 RS485 device, A2, B2 for the meter with an open end of 2 mm 6 120 Ohm RS485-7 BAT_Temp. Temperature sensor Flat-head screwdriver PT1000 with an open end of 3 5

2 Electrical Connection Quick User Manual No. Label Connection Tool Requirements 8 BAT_Com. mm Battery communication (CANH, CANL) 9 DO1 Power management 10 DO2 Earth fault alarm 11 BAT+, BAT- Battery Phillips screwdriver Terminals at the bottom of the inverter are shown below: Backup Ctrl Fig. 2-2 Terminals at the Bottom of the Inverter Label AC-Grid Backup Ctrl PV1+, PV1-, PV2+, PV2- ON, OFF Com. Wi-Fi BAT+,BAT- Description AC terminal to the utility grid. Reserved. Terminals for the DC cables. DC switch. Cable glands for Ethernet, RS485, CAN, AI, DI and DO. Terminal for the Wi-Fi module. Cable glands for the battery power cables. 2.2 Meter Connection The Energy Meter must only be connected to the distribution board of household loads next to the main switch, as shown in the following figure. Solar switch Main switch Meter link A PV strings Inverter Sungrow meter Network meter Utility grid Home Appliance 6

Quick User Manual 2 Electrical Connection 2.2.1 For Three-phase Energy Meter Three-phase energy meter and its terminals are shown in the following figure. A B C Designation D Specification A L1, L2, L3, N Output terminals to the load side Glowing: 1000 impulse per kwh active power is Active PWR detected. Off: no active power is detected. B Reactive PWR Com. Glowing: reactive power is detected. Off: no reactive power is detected. Flashing: the meter is communicating with the inverter. Off: no communication between the meter and the inverter. C RS485-A, -B RS485 communication terminals D L1, L2, L3, N Input terminals on the grid side. Proceed as follows to connect the cables. 1. Take out the RS485 cable from the packaging. Connect the ends A and B to the corresponding, eponymous terminals A (white wire) and B (black wire) on the Energy Meter, as shown below. A B 7

2 Electrical Connection Quick User Manual 2. Strip the insulation from the power wires by 10 mm. Then connect the wires to the terminals on the Energy Meter, as shown below. (Cross-section: 10 mm 2 to 25 mm 2 ) OUT Load side IN Grid side The line conductor L1 supplies power to the Energy Meter. At least the line conductor L1 and the neutral conductor must be connected to switch on the Energy Meter. Just connect the line conductor L1 and the neutral conductor, then the three-phase Energy Meter can be used as a single-phase meter. 2.2.2 For Single-phase Energy Meter Single-phase energy meter and its terminals are shown in the following figure. E A B C Designation Description A 1, 4 For the 1-phase sensor B 2, 5 2 is for RS485-A 5 is for RS485-B C PWR/COM Stead on: the meter is powered on. Flashing: the meter is communicating with the inverter. Off: no power supply to the meter. D 8

Quick User Manual 2 Electrical Connection Designation Description Glowing: 1000 impulse per kwh active power is 1000 imp/kwh detected. Off: no active power is detected. D 3, 6 3 is for the line conductor 6 is for the neutral conductor E / CT clamp for the 1-phase sensor Proceed as follows to connect the cables. 1. Take out the meter (with 1-phase sensor) and the cables from the packaging. A B N L A2 B2 Power supply cable RS485 cable 2. Connect the cables to the meter. (a) Tighten the power supply wires to terminal 3 (L) and terminal 6 (N). (b) Tighten the RS485-A wire to terminal 2 and the RS485-B wire to terminal 5. (c) Place the 1-phase sensor around the phase wire (L) from the main switch. The CT clamp of 1-phase sensor can be placed before or after the main switch. Grid c Load b a L N Make sure that the 1-phase sensor is installed in the right direction: the arrow on the sensor must point away from the grid towards the load. 2.2.3 For Inverter Side When the length of RS485 cable is longer than 100 m, push the 120ohM (2) switch to ON to ensure stable communication Plug the wires into the corresponding terminals on the inverter without tool tightening. 9

2 Electrical Connection Quick User Manual 1 2 3 a 485 A2 B2 b Note: For reconnection, press the part as shown in the red circle so as to pull out the cable. 2.3 Grid Connection Install an AC circuit breaker next to the AC output of the inverter. Inverter Type Specification for AC Circuit Breaker SH3K6 20 A SH4K6 32 A Make sure to disconnect the AC circuit breaker and secure it against reconnection before cable connection. 1 2 8 mm 15 mm PE 3 (1.2 N.m) PE PE N N L N 40 mm Cross -section : 4 mm² Cable diameter : 11 mm 14 mm 4 Terminal block Click 5 Click Housing Cable gland 10

Quick User Manual 2 Electrical Connection 2.4 PV Connection The inverter has two PV inputs and can be configured in independent mode or parallel mode. Refer to the user manual for mode selection. Before connecting the PV arrays to the inverter, ensure that the impedances between the positive terminals of the PV string and Earth, and between the negative terminal of the PV string and Earth are larger than 200 kohm. The inverter will not function properly if the DC polarities are reversed. Check the positive and negative polarities of the PV cells. Cable Requirements Cross-Section Cable Diameter Max. Withstand Voltage 4 mm 2 6 mm 2 6 mm 9 mm 600 V AWG12 AWG10 Strip the insulation from the cables by 7 mm 8 mm. Tighten the cable gland with torque of 2.5 N m 3.0 N m. Max. Withstand Current Same as short-circuit current 1 Positive crimp contact Positive insulator Crimp contact Cable gland Negative insulator Crimp contact Cable gland Negative crimp contact 2 OFF ON 3 480.0 + Backup Ctrl - 11

2 Electrical Connection Quick User Manual 4 5 (Optional) Only for parallel mode. 2.5 Communication Connection 2.5.1 Ethernet Connection Connect the inverter to the PC through the Ethernet port to set up the Ethernet communication. The Ethernet connection with a router is shown in the following figure. Internet Inverter Router/Switch SolarInfo Bank server Local access Remote SolarInfo Moni APP Webserver Explorer SolarInfo Bank Use a TIA/EIA 568B standard network cable with a diameter of 3 mm 5.3 mm. Remove the cable jacket by 8 mm 15 mm, and use the Ethernet crimper to crimp the cable. 12

Quick User Manual 2 Electrical Connection RJ45 plug 1----8 port Refer to 4 SolarInfo Moni App Configuration to use SolarInfo Moin App to view the inverter information. 2.5.2 Wi-Fi Connection 1. Unscrew the waterproof lid from the Wi-Fi terminal. 2. Install the Wi-Fi module. Slightly shake it by hand to determine whether it is installed firmly. 3. Refer to the Quick User Manual delivered with the Wi-Fi module to configure the Wi-Fi. 2.6 Battery Connection For the connections on the battery side, see the manuals supplied by the battery manufacturer. 13

2 Electrical Connection Quick User Manual 2.6.1 Connecting the Power Cable A two-pole DC circuit breaker with over-current protection (voltage rating not less than 100 V and current rating not less than 100 A) should be installed between the inverter and the battery module. Be sure to adhere to the following screw assembly sequence: screw head, spring washer, fender washer, OT terminal. Cross-section: 16 mm 2 25 mm 2, Cable diameter: 13 mm 16 mm OT25-6 15 mm Torque 2.5 N m - - 2.6.2 Connecting the CAN Cable The CAN cable enables communication between the inverter and the Li-ion battery from LG, GCL, Pylon (US2000B), BYD or Sungrow. Take out the CAN cable from the packaging. Lead the cable through the cable gland and plug the wires into the corresponding terminals without tool tightening. BAT_Com. 1 2 CANH CANL Note: For reconnection, press the part as shown in the red circle so as to pull out the cable. 14

Quick User Manual 2 Electrical Connection For GCL and BYD batteries, if there are four wires, please cut through the green (pin 6) and white-green (pin 3) wires from the CANH and CANL terminals to set up successful communication. 2.6.3 Connecting the Temperature Sensor It is recommended that the PT1000 is connected to the inverter to sample the temperature of the lead-acid battery or the external environment of the battery. The temperature sensor is located next to the lead-acid battery. Cross-section: 1.0 mm², cable diameter: 3 mm 5.3 mm 5 mm -7 mm 40 mm -50 mm BAT_Temp. Note: PT1000 For reconnection, press the part as shown in the red circle so as to pull out the cable. 2.7 DO Connection The inverter has two DO relays with different functions as follows: DO1: Consumer load control. Please choose the appropriate contactor according to the load power, e.g., the contactor types of the 3TF30 series from SIEMENS (3TF30 01-0X). The relay is activated once the conditions of the control mode are satisfied. DO2: Earth fault alarm. Once the inverter receives the earth fault signal, the relay closes the contact. The relay remains triggered until the fault is removed. Cross-section: 1.0 mm², cable diameter: 3 mm 5.3 mm 15

2 Electrical Connection Quick User Manual 5 mm 8 mm DO1 DO2 COM1 NO1 COM2 NO2 40 mm 50 mm Note: For reconnection, press the part as shown in the red circle so as to pull out the cable. 2.8 Retrofitting the Existing PV System The hybrid inverter is compatible with any single-phase PV grid-connected inverters. An existing PV system can be retrofitted to be a PV Energy Storage System with the addition of SH3K6 / SH4K6. AC PV inverter SH3K6/ SH4K6 Home appliance Fig. 2-3 Retrofitting the Existing PV System The power generation from the existing PV inverter will be firstly provided to the loads and then charge the battery. With the energy management function of the hybrid inverter, the self-consumption of the new system will be greatly improved. 16

Quick User Manual 2 Electrical Connection The existing PV inverter works as a load in the whole system but supply PV power to the energy storage system, as the power flow shown on the main screen. + - 4600 3000 (W) = ~ 2200 600 * Running 16:37 Existing Sys Rated-P: the rated power of the existing PV system. Total Export Limit: the export power limit of the new system Existing Sys Disable Enable The lower limit is the rated power of the existing PV system. The upper limit is ([rated power of the hybrid inverter] + [rated power of the existing PV system]). For example, retrofit an existing PV system (rated power: 3000 W) with the hybrid inverter SH4K6 (rated power: 4600 W). The total export limit can be set from 3000 W to 7600 W. Existing Sys Rated-P 00000W Total Export Limit 04600W The export power limit can also be set via the zero-export in commissioning. Proceed as follows to perform the settings. According to the local regulations in Germany, please set the export power to 70 % of the installation capacity. For example, with a total maximum installation capacity of 4600 W (SH4K6), the export power should be set to 3220 W (i.e. 4600 * 70 %). Zero-export 1/2 ON OFF Partial Partial 2/2 Export Pwr[W] 4600 The settings in the two submenus are from the same source. If one is changed, the other will synchronize the value. 2.9 Connecting to Interface Device for SPI (Italy) The inverter has integrated the interface protection system (SPI) to provide the following functions: 17

2 Electrical Connection Quick User Manual Maximum/minimum frequency protection; Ability to receive signals aimed at changing the frequency protection thresholds and to receive the command of remote shutdown. 1 2 3 NO. Interface SPI Function 1 Ethernet 2 RefGen, Com/DRM0 Remote control. Receive external signal/command to change the frequency protection parameters or shutdown the inverter. See 2.5.1 Ethernet Connection for the cable connection. Local control. Shortly connecting the two terminals will change the frequency protection parameters. See Fig. 2-3. Receive external command to shutdown the inverter 3 A1, B1 remotely. See Fig. 2-4. The following figure shows the cable connection to external interface device. Cross-section: 2*0.5 mm², cable diameter: 3 mm 5.3 mm 5 mm 7mm 40 mm 50mm RefGen Com/DRM0 DRM Fig. 2-4 RefGen and Com/DRM0 Connection 18

Quick User Manual 2 Electrical Connection 5 mm 7mm 485 40 mm 50mm A1 B1 Fig. 2-5 RS485 Connection to External Device Note: For reconnection, press the part as shown in the red circle so as to pull out the cable. 19

3 Commissioning 3.1 Button Function The inverter offers four buttons for operation. Please refer to the following table before any operation of the inverter. Tab. 3-1 Button Function Button ESC ENT Description For navigating up or increasing the setting value. For navigating down or decreasing the setting value. For navigating to the left, quitting the menu or canceling the settings. For navigating to the right or confirming a selection or settings. Start Press ENT to enter the menu. Press / to navigate through the menu. Modifying mode Press ENT to confirm a selection. Selecting mode Press / to move to the desired item. Press ENT and the first digit of the value to be set flashes. Press / to move to the desired item. Press ENT to confirm. Press / to set the value and Press ENT/ESC to move the cursor. Press ENT if the whole value is OK and the will move back to the item name. Yes (modifying) Sub-parameters to be set? No Yes (selecting) Repeat the steps above for the settings of the other items. Press ESC to quit the menu and a prompt will appear. Press ENT to save and apply the setting. To discard the setting, Press ESC. Fig. 3-1 Button Operations End 20

Quick User Manual 3 Commissioning 3.2 Commissioning Procedure Before starting the inverter, make sure all the installation and connections are completed and verified. Proceed as follows to start the inverter for the first time. 1. Connect the AC circuit breaker. 2. Connect the DC circuit breaker between the inverter and the battery pack. 3. (Optional) Power on the battery pack manually if a battery is equipped. 4. Rotate the DC switch to ON. The DC switch may be integrated in the inverter or installed by the customer. 5. The LCD screen will be activated 5s later and enter the initial settings. Initial Settings 1/3 Country Time Zero-export Initial Settings 2/3 Reactive Power Battery Usage Time Earth Fault Initial Settings 3/3 6. Refer to Fig. 3-1 for button operations and complete all initial settings according to the procedure in Fig. 3-2. 7. Check the icons on the main screen. Refer to Tab. 5-1 for the explanations. Exit + - 4600 2000 (W) = ~ 2000 600 Running 16:37 8. Check the status of the indicator. Tab. 3-2 Status Descriptions of the Indicator Colour Status Description On The inverter is running normally. Blinking The inverter is in the process of starting. Green Other statuses except Running and Startup. Off (Refer to Tab. 5-1 for status descriptions.) On Permanent fault or upgrade failure. Red Blinking Other system faults or main alarms. Off No fault occurs. 9. Visit www.solarinfobank.com or SolarInfo Moni APP to view inverter information. Get the related manuals at www.sungrowpower.com. If the inverter commissioning fails, Press to view the current errors. Remove the existing malfunctions and then repeat starting up the inverter according to the procedure detailed in this section. 21

3 Commissioning Quick User Manual Start 1 Country Set the country code Country: [ GB ] 2 3 Set the time Set zero-export hh : mm : ss Time 07 : 38 : 08 Date DD / MM / YY 22 / 02 / 15 Zero-export 1/2 ON OFF (1) The time setting is very important, which directly affects data logging. (2) DD, MM, and YY stand for day, month, and year respectively. (3) hh, mm, and ss stand for hour, minute, and second respectively. ON: no power will be exported to grid. OFF: all output power will be exported to grid. Partial Partial: you can set the export power. 4 Set the reactive power Reactive Power OFF Qt Q(u) PF Q(p) OFF: Disable the function PF: Fixed power factor mode Q(t): Fixed reactive power mode Q(u): Volt-var response mode Q(p): Characteristic PF curve for power response mode 5 Bat Usage Time Start Time1 00:00 Set battery usage time Weekday Usage Weekend Usage End Time1 Start Time2 End Time2 24:00 00:00 24:00 6 Test earth fault alarm Testing earth fault relay and buzzer inside alarm... * Automatically return to main menu after 3s. 7 Complete initial settings and exit End Confirm Exit? Incorrect configuration may cause a fault! Initializing... Fig. 3-2 Initial Settings 22

Quick User Manual 3 Commissioning Zero-export (Partial): ON: no power will be exported to the grid. OFF: all inverter output power will be exported to the grid. Partial: set partial of the output power to export to the grid. According to the local regulations in Germany, please set the export power to 70 % of the installation capacity. Zero-export 1/2 ON OFF Partial Partial 2/2 Export Pwr[W] 4600 For example, with a total maximum installation capacity of 4600 W (SH4K6), the export power should be set to 3220 W (i.e. 4600 * 70 %). Export power range: When the existing system is disabled, the range is from 0 to the rated power of the hybrid inverter. When the existing system is enabled, the lower limit is the rated power of the existing PV system. the upper limit is ([rated power of the hybrid inverter] + [rated power of the existing PV system]). the value will synchronize with the settings for retrofitting an existing system. Reactive power regulation: OFF: The reactive power regulation function is disabled. The power factor (PF) is limited to +1.000. PF mode: The inverter is capable of operating with fixed power factor. The PF ranges from 0.8 leading to 0.8 lagging. Leading: the inverter is sourcing reactive power to the grid. Lagging: the inverter is sinking reactive power from the grid. For the explanations of other modes, see the User Manual in the CD. Battery usage enabled (Weekend): Reactive Power OFF Qt Q(u) PF Setting PF Q(p) PF + 1.000 + : Laggingg & - : Leading Bat Usage Time Weekend Usage Start Time 1 00:00 Weekday Usage Weekend Usage Press ENT Disable Enable Press ENT End Time 1 Start Time 2 End Time 2 24:00 00:00 24:00 23

3 Commissioning Quick User Manual (Optional) For lead-acid batteries, you should manually set the battery type. Turn off the inverter via the LCD menu. + - 5000 (W) 100 = 3000 1900 ~ Running 16:37 Menu Run Info ON / OFF Settings 1/5 ON / OFF ON OFF Confirm OFF? Set the battery type to Other Battery. + - 0 0 (W) 500 = 500 ~ Turn off 16:37 Menu Run Info ON / OFF Settings 1/5 Settings Settings 2/5 Password: 1 1 1 Battery Type Bat Usage Time Forced Charge Press / to select Other Battery and Press ENT to confirm. Battery Type No Battery Li-ion Other Battery 1/1 Press ENT Only qualified personnel are allowed to adjust relevant parameters. Improper settings may cause damage to the inverter! Max. Chrg / Max. DChrg: Make sure that the charge or discharge current is not beyond the upper limit (65 A) to protect the battery from overcharging or deep discharging. The unit C is the capacity, which refers to the maximum amount of charge that a battery can store. If the max charge or discharge is set to more than 65 A (e.g. C = 600 Ah, 0.3 C = 180 A), then the inverter will limit the charge and discharge current to 65 A. If the battery voltage or temperature is beyond the allowable range, the related error codes will be triggered and the protection function will be activated to stop charging or discharging. DChrgEndVtg: Stop discharging at a voltage not lower than DChrgEndVtg, so as to protect the battery from deep discharging. The DChrgEndVtg setting value should be higher than the Low Vtg setting value. Max. Chrg Max. DChrg Rated Vtg Capacity Over Vtg Low Vtg Over Temp Low Temp CSTVtgChrg DChrgEndVtg 0.300 C 0.300 C 048.0 V 0200 Ah 58.8 V 42.0 V 60.0-25.0 56.40 V 43.20 V Tab. 3-3 Description of Other Lead-acid Battery Parameter Parameter Description Range Max. Chrg The upper limit of the charging current 0.05C to 2C Max. DChrg The upper limit of the discharging current 0.1C to 2C Rate Vtg The rated voltage of the equipped battery 30 V to 60 V Capacity Capacity of the battery tray 10 Ah to1000 Ah 24

Quick User Manual 3 Commissioning Parameter Description Range Over Vtg The upper limit of battery voltage when charging 48 V to 70 V Low Vtg The lower limit of battery voltage when discharging 32 V to 48 V Over Temp The upper limit of battery temperature 20 to 70 Low Temp The lower limit of battery temperature -30 to 10 CSTVtgChar The voltage of constant-voltage charging. 40 V to 63 V DChrgEndVtg The voltage at which the discharging is stopped 30 V to 53 V * Consult battery manufacturer for an advice before any modification. In the case of commissioning failure, power off the system and wait 1 minute to commission the system again. 3.3 Result Verification 3.3.1 Meter Installation and Connection For the single-phase meter, with the signal from the 1-phase sensor, the inverter determines the energy exchange with the utility grid on one phase. The CT clamp of 1-phase sensor can be placed before or after the main switch. Inverter Utility Grid L Main Switch 1-phase sensor Solar switch A B N PE SUNGROW Meter L N PE bar Neutral bar Home appliance Fig. 3-3 Correct Installation and Connection of the Single-phase Meter The following figure shows the correct installation and connection of the three-phase meter. 25

3 Commissioning Quick User Manual Inverter Utility Grid Main Switch AC circuit breaker L1 L2 L3 N PE Load side OUT IN Grid side SUNGROW Meter A B PE bar Neutral bar Home appliance Fig. 3-4 Correct Installation and Connection of the Three-phase Meter Before the verification, disconnect the DC switch between the inverter and the battery module. For Incorrect Installation Position Make sure that the 1-phase sensor of the SUNGROW meter should be placed to the phase line (L) from the main switch. If otherwise, the energy flow indicated on the LCD will be wrong. Main switch L N PE 1-phase sensor L N SUNGROW Meter Inverter Main switch L N PE L N SUNGROW Meter Inverter 1-phase sensor PE bar Neutral bar Home appliance PE bar Neutral bar Home appliance Action LCD Display Explanation Turn off all the household loads. All the PV power generation should be exported to the grid, as shown in the Correct figure. + - 4000 Correct Wrong (W) = ~ 4000 4000 (W) = ~ + - 0 0 0 4000 Running 16:37 Running 16:37 0 26

Quick User Manual 3 Commissioning For Reverse Sensor Connection Make sure that the arrow on the 1-phase sensor must point away from the grid towards the load. If otherwise, the energy flow indicated on the LCD will be wrong. Main switch L N PE 1-phase sensor Inverter Main switch L N PE 1-phase sensor Inverter L N SUNGROW Meter L N SUNGROW Meter PE bar Neutral bar Home appliance PE bar Neutral bar Home appliance Fig. 3-5 Correct CT Installation for Single-phase Meter Load side Grid side OUT IN IN OUT Grid side Load side Fig. 3-6 Correct Power cable connection for Three-phase Meter Action LCD Display Explanation Method 1: Turn off all the household loads. All the PV power generation should be exported to the grid, as shown in the Correct figure. Method 2: Stop the inverter via the LCD menu and turn on the household loads. All the load power consumption should be imported from the grid, as shown in the Correct figure. + - + - 4000 Correct Reverse (W) = ~ 4000 4000 (W) = ~ 4000 + - 0 0 0 8000 Running 16:37 Running 16:37 Correct Reverse 0 (W) = ~ 4000 0 (W) = ~ 4000 + - 0 4000 0 0 Turn off 16:37 Turn off 16:37 27

3 Commissioning Quick User Manual The reverse sensor connection will cause the communication fault 084. To clear the fault 084, please turn off the DC sources and then restart the system after reconnecting the sensor in correct direction. 3.3.2 Battery Information After initial settings, check the detailed battery information on the LCD display. + - 4600 2000 (W) = ~ 2000 600 Running 16:37 Press ENT Menu Run Info ON / OFF Settings 1/2 Press ENT P(kW) 07/17(PV) 5.0 2.5 0 0 6 12 18 t 24 Scroll pages by pressing / Input Mode Indep. Li-ion Sungrow Bat Cap 4.8kWh Self Csmp 89.9% CO2 Reduced 58kg Bat Tmp 36.1 C Bat SOC 99.9% Bat SOH 100.0% If the battery type or capacity setting is inconsistent with the actual, the charge/discharge current may be less than the actual charge/discharge ability. However, the system can operate normally. Proceed as follows to modify. 1. Stop the inverter via the LCD menu. 2. Reset the battery type and parameters. Proceed as follows to enter the submenu. 3. Start the inverter via the LCD menu. 3.3.3 System Time The correct system time is very important. If there is deviation between the system time and the local time, the inverter will not operate normally. The clock is in 24-hour format. Proceed as follows to set the correct time. 28

Quick User Manual 3 Commissioning + - 4600 2000 (W) = ~ 2000 600 Press ENT Menu Run Info ON / OFF Settings 1/2 Running 16:37 Menu 2/2 Time hh : mm : ss 16 : 37 : 08 Time Date DD / MM / YY 22 / 02 / 15 Country Error Record 29

4 SolarInfo Moni App Configuration If the inverter has been connected to the home router with an Ethernet cable, the user can view inverter information via the SolarInfo Moni App. 4.1 App Operation Requirements Item Android System ios System System version Android 4.0 or above ios 7.1 or above 1280*720, 1920*1080, 960*640, 1136*640, System resolution 800*480, 2560*1440, 1334*750, 1920*1080 960*540 System memory Normal Net speed Distance between phone and WiFi module (for local access) 512 MB Higher than 40 kb/s Less than 150 m and no obstacles 4.2 Installing the App Download the SolarInfo Moni App and install it into your smart phone. You can select the App version for ios or Android. For ios Scenario 1 Download SolarInfo Moni App at https://itunes.apple.com/us/app/solarinfo-mon i/id1048873556?l=zh&ls=1&mt=8. Scenario 2 Use your smart phone to scan the QR code to download and install the App. For ios 30

Quick User Manual 4 SolarInfo Moni App Configuration Scenario 3 Search for SolarInfo Moni in your App Store to download and install it. For Android Scenario 1 Download SolarInfo Moni App at http://www.solarinfobank.com/app/list. Choose the SolarInfo Moni App for Android. Scenario 2 Use the scanning function of the Play Store or Explorer in your smart phone to scan the QR code to download and install the App. For Android 4.3 Visiting in Local Access Mode Do not name your router started with "SG-". Otherwise you cannot find it. The SN and password are displayed on the inverter nameplate. Proceed as follows to use the SolarInfo Moni App in "[Local Access]" mode. 1. Enable the Wi-Fi function of your smart phone and connect it to the home router. Select your WiFi network 1 2 Change Off to On TP-LINK_67F23E Enter router s password TP- LINK_67F23E 2. Visit the App in Local Access mode, select you inverter SN and input the password, then you can view the inverter information. 31

4 SolarInfo Moni App Configuration Quick User Manual 1 2 Click the inverter SN Input the inverter password Local Access 4.4 Visiting in "[Login]" Mode Connect the inverter to your home router and complete the App registration. Then you can visit SolarInfo Moni App in "[Login]" mode and view the information wherever you happen to carry the smart phone. To perform the operations in this section, be sure that your smart phone can access the Internet. The e-mail address will be used to receive relevant mails, so it must be valid. The username will be needed when you find the forgotten password. If you forget the username, re-register. 1 Input your account and password Create Account Username, password and E-mail 2 Login Register 32

5 LCD Operation Refer to Tab. 3-1 Button Function for the operation instructions. 5.1 Main Screen If the inverter succeeds in commissioning, the LCD screen will enter the main screen. 6 + - 1 2 4600 2000 5 (W) = ~ Running 2000 3 600 4 16:37 No. Description 1 Current PV input power 2 Current export power 3 Warning information 4 Total load consumption 5 Battery charge/discharge power 6 System status bar : The inverter and the SolarInfo Bank server are successfully connected. : Blinks if the Wi-Fi is not connected to the router s Wi-Fi network; Steady if the Wi-Fi is successfully connected to the router s Wi-Fi network. Running: The inverter is in its normal running status. 16:37: Current system time. Neither the grid power nor the load power will be displayed on the main screen in case of no SUNGROW meter installed. The Wi-Fi icon may be not displayed when the inverter is used with some Wi-Fi modules. Tab. 5-1 Status Descriptions Status Running Maintain Forced Standby Turn off Description After being energized, the inverter tracks the PV arrays maximum power point (MPP) and runs with the combination of the energy management system. This mode is the normal mode. The system is running normally, with the battery in maintenance process. (Only for lead-acid battery) The system is running normally, with the EMS in forced mode. The inverter waits for sufficient sunlight or battery level, then the DC voltage recovers. Refer to Chapter 11 in the user manual for standby time setting. The inverter will stop running by manual OFF through the LCD menu. Set to ON if you want to restart the inverter. 33

5 LCD Operation Quick User Manual Status Startup Upgrade Error Upd-fail Description The inverter is initializing and synchronizing with the grid. The DSP or LCD software is in its upgrading process. If an error occurs, the inverter will automatically stop operation, trigger the AC relay and show Error on the LCD with the indicator lit red. The master DSP program online upgrade failure. If the inverter is in standby mode for more than 10 minutes, please check: Whether the insolation is sufficient and the PV connection is correct. Whether the battery level is sufficient and the cable connection is correct. If no anomaly is found, disconnect the DC switch and main switch to restart. If it still does not work, contact SUNGROW. 5.2 Viewing the Error Codes Viewing the Active Error For the! icon or the Error status on the main screen, press to view the active errors. Refer to 6 Troubleshooting for the fault definition. Error Active P1/1 001 GRID 008 Code Type Refer to the following table for the fault type explanations. Fault Type Explanation GRID Grid faults (AC side) PV PV faults (DC side) SYS System faults (inverter) PER Permanent faults WARN Warnings BDCF Faults of battery charge/discharge circuit BDCPF Permanent faults of battery charge/discharge circuit BATW Battery warnings BATP Battery protection BATF1 BATF2 Battery faults 34

Quick User Manual 5 LCD Operation Viewing the Error Records Press / to turn pages and view all error records. Error Record P1/1 001 15022708:55:27 010 002 15022707:11:21 501 5.3 LCD Menu Main Menu (1) Run Info ON / OFF Settings Time Country Error Record Auto Test Power curve Daily energy Total energy (2) Battery info Grid info PV info System info Device info ON OFF (3) Restart Password: 111 EPS Setting Existing Sys Zero-export Battery Type Password: 111 * Not support! * Read-only information, no setting permission. (4) * For Italy only Bat Usage Time Forced Charge Prot. Param Reactive Power Active Power * Refer to 12.1 Reactive Power Regulation. * Refer to 12.2 Active Power Response. Load Control Comm. Param Earth Fault DRM Switch PT1000 Switch * Not support! * For lead-acid batteries Factory Reset Fig. 5-1 LCD Menu Tree (1) The power values indicated represent the average values during the time interval. The energy yields displayed are indicative only. For the actual yields, please refer to the electric energy meter. (2) The value of battery SOH will be displayed as -- for Pylon US2000A and GCL battery that do not have this parameter. 35

5 LCD Operation Quick User Manual (3) The Restart option will appear only if an unrecoverable fault occurs. (4) The battery parameters can only be set by qualified personnel. Consult battery manufacturer for an advice before any modification. Abbreviations Abbreviation Complete Abbreviation Complete Csmp Consumption Exp Export Chrg Charge Tot Total Bat Battery Tmp Temperature SOC State of Charge SOH State of Health Vtg Voltage Curr Current Stt State Inv Inverter Pwr Power Frq Frequency Cap Capacity DRM Demand response mode Ver. Version Ref. Reference CSTVtgChrg Constant charging voltage MDCV DChrg Discharge MCCV Max. discharging current value Max. charging current value Prot. Protection Multi. Multiple Comm. Communication DChrgEndVtg Final discharg voltage Sys System En. Enable 5.4 Setting the Country Code The country setting is protected with a password. Press and Press ENT to input the password 111. Press ENT to confirm the password. Country Password: 1 1 1 Press to choose the correct country code. Only the codes of GB, DE, IT, AT, AU, BE, NL, CN and SA are supported. Country Country: [ DE ] Descriptions of the country codes are as follows: Country Code Full Name Language GB Great Britain English DE Germany German IT Italy Italian AT Austria German 36

Quick User Manual 5 LCD Operation Country Code Full Name Language AU Australia English BE Belgium French NL Netherlands English CN China Chinese SA South Africa English Other Country not included above English 5.5 Setting the Protective Parameters For more parameter settings, please visit the Webserver. When the grid voltage or frequency reaches the recovery value, the corresponding fault code displayed on the LCD will be cleared and the inverter can start operating. Vmax-recover 253.0V Vmin-recover 195.5V Fmax-recover 50.05Hz Fmin-recover 47.50Hz Power Ramp Rate (for countries except Great Britain): the ramp up/down rate of power variation. The power rate limit mode is enabled (ON) by default. Set to OFF to turn off the function. Power Ramp Rate En. [ ON ] Power Ramp Rate 10.00% 10-minute over-voltage protection (for countries except Great Britain): The inverter will automatically disconnect from the grid within 3 s when the average voltage for a 10 min period exceeds the set-point of 10-min Over Vtg. Set to OFF to turn off the function. 10-min Over Vtg En. [ ON ] 10-min Over Vtg 253.0V Tab. 5-2 Protective Parameter Explanations Parameter Vmax-recover Vmin-recover Fmax-recover Fmin-recover Power Ramp Rate 10-min Over Vtg Reconnect Time Explanation Recovery value for over-voltage fault. Inverter can start operating only when the grid voltage is below this value. Recovery value for under-voltage fault. Inverter can start operating only when the grid voltage is above this value. Recovery value for over-frequency fault. Inverter can start operating only when the grid frequency is below this value. Recovery value for under-frequency fault. Inverter can start operating only when the grid frequency is above this value. The ramp rate of power variation. Over-voltage protection value of 10-min average voltage For Italy only. 37

5 LCD Operation Quick User Manual 5.6 Setting the Communication Parameters Comm. Param Addr 001 IP: Ethernet Config WiFi Config DHCP [ON] Port 00502 Press 192.168.001.100 Sub Net: 255.255.000.000 Ethernet: The communication address ranges from 1 to 247. The IP, sub net, gateway, DNS1 and DNS2 can be modified only when the DHCP is set to OFF. Acquire the IP, subnet mask, gateway, DNS1 and DNS2 from the network professional. Wi-Fi: Press ENT to enable this function and then you can connect the inverter Wi-Fi to your home router quickly with SolarInfo Moni APP. For details, see the manual delivered with the Wi-Fi module. Press DNS1 001.002.004.008 DNS2 008.008.008.008 Press Gateway: 192.168.100.002 InfoBank [ON] DNS [ON] WiFi Config Quick Config WiFi Factory Reset 38

6 Troubleshooting 6.1 Troubleshooting of the Indicator Refer to Tab. 3-2 Status Descriptions of the Indicator for the definition of indicator statuses. Fault Type The indicator and LCD screen cannot be lit. The indicator goes out from green. The indicator is lit red. Troubleshooting 1. Disconnect the AC circuit breaker. 2. Rotate the DC Switch to OFF. 3. Check the polarities of the DC inputs. 4. If all of the above are OK, please contact SUNGROW. 1. Disconnect the AC circuit breaker. 2. Rotate the DC Switch to OFF. 3. Check the electrical connection. 4. Check whether the DC input voltage exceeds the start voltage of the inverter. 5. If all of the above are OK, please contact SUNGROW. 1. A fault is not resolved. 2. Perform troubleshooting according to the fault type on the LCD screen. 3. If the fault persists, please contact SUNGROW. 6.2 Troubleshooting of the Errors When an error occurs, the Error status will be shown on the main screen. Press to view all the error information. For the battery error codes, if all the conditions are OK but the error still occurs, contact the distributor or the battery manufacturer. We need the following information to provide you with the best assistance: inverter type (e.g. string, central, grid-connected, hybrid, transformerless, single phase, triple phase, single MPPT, multiple MPPTs), or product name, serial number of the inverter, fault code/name, and a brief description of the problem. 39

6 Troubleshooting Quick User Manual For Inverter Side Code Specification Troubleshooting 002 003 004 005 007 008 009 010 011 012 014 015 Grid over-voltage. (default range: 264.5 V) Temporary grid over-voltage in the on-grid mode. (default value: 400 V) Grid under-voltage. (default range: 184.0 V 195.5 V) Grid under-voltage. (default value: 195.5 V) Temporary AC over-current. The transient AC current has exceeded the allowable upper limit. Grid over-frequency. (default range: 50.5 Hz 51.5 Hz) Grid under-frequency. (default range: 47.5 Hz 49.5 Hz) Islanding. Abnormal connection between the system and the grid. DC injection over-current. The DC injection of the AC current exceeds the upper limit. Leakage current over-current. The leakage current exceeds the upper limit. 10-minute grid over-voltage. The average grid voltage is outside the permissible range for over 10 minutes. (default range: 253.0 V 257.6 V) Grid over-voltage. (default value: 264.5 V) 1. Check the grid voltage. 2. If the grid voltage exceeds the permissible range, consult the utility grid for a solution. This is a short-term fault. Wait a moment for inverter recovery or restart the system. 1. Check the grid voltage. 2. If the grid voltage exceeds the permissible range, consult the utility grid for a solution. Wait a moment for inverter recovery or restart the system. 1. Check the grid frequency. 2. If the grid frequency exceeds the permissible range, consult the utility grid for a solution. 1. Check whether the AC circuit breaker is triggered. 2. Check whether all the AC cables are firmly connected. 3. Check whether the grid is in service. Wait a moment for inverter recovery or restart the system. 1. Check whether there is a grounding fault in the PV strings. 2. Wait a moment for inverter recovery or restart the system. 1. Check whether the grid is operating normally. 2. Wait a moment for inverter recovery or restart the system. 1. Check the grid voltage. 2. If the grid voltage exceeds the permissible range, consult the utility grid for a solution. 40

Quick User Manual 6 Troubleshooting Code Specification Troubleshooting Bus over-voltage. 019 The transient bus voltage exceeds the upper limit. 021 022 024 028 029 037 PV1 over-current. The input current of PV1 exceeds the upper limit. PV2 over-current. The input current of PV2 exceeds the upper limit. Neutral point voltage imbalance. The deviation of the neutral point voltage exceeds the allowable limit. Reverse polarity of the PV1 connection. Reverse polarity of the PV2 connection. Inner over-temperature fault. The ambient temperature inside the inverter exceeds the upper limit. 038 Relay fault on the grid side. 041, 622 043 Leakage current sampling fault. Inner under-temperature fault. The ambient temperature inside the inverter is too low 044 INV open-loop self-check fault. 045 PV1 boost circuit fault. 046 PV2 boost circuit fault. Wait a moment for inverter recovery or restart the system. 1. Check the PV input power and configuration. 2. Wait a moment for inverter recovery or restart the system. 1. The inverter will recover once the deviation falls below the protective limit. 2. Wait a moment for inverter recovery or restart the system. 1. Disconnect the DC switch. 2. Check the polarity of the PV inputs. 3. Reconnect the PV strings if the polarity is incorrect. 1. Check and clean the heat sink. 2. Check whether the inverter is installed in sunlight or the ambient temperature of the enclosure exceeds 45. If not, please contact SUNGROW for a solution. Wait 5 minutes for inverter recovery or restart the system. Wait 5 minutes for inverter recovery or restart the system. The inverter will recover once the ambient temperature rises above -25. Wait 5 minutes for inverter recovery or restart the system. 048 Phase current sampling fault. 051 Load overpower fault in the If the fault persists, disconnect off-grid mode. some non-key loads. 052 INV under-voltage fault in the Wait 5 minutes for inverter off-grid mode. recovery or restart the system. 1. Check whether the DI 062 connection between the inverter DI fault of the backup box and the backup box is correct. STB5K. 2. Wait 5 minutes for inverter recovery. 063 The version of CPLD (complex Power off the system and program 41

6 Troubleshooting Quick User Manual Code Specification Troubleshooting programmable logic device) the CPLD cannot be detected. 064 INV over-voltage fault in the off-grid mode. INV under-frequency fault in 065 the off-grid mode. (default value: 47 Hz) Wait 5 minutes for inverter INV over-frequency fault in the recovery or restart the system. 066 off-grid mode. (default value: 52 Hz) Temporary grid over-voltage in 067 the off-grid mode. (default value: 500 V) 083 Fan2 abnormal speed warning. 1. Check if the fan is blocked. 084 100 101 102 105 106 107 Warning for reverse cable connection of the Sungrow Meter. INV hardware over-current fault. The AC current exceeds the protective value. Grid over-frequency. (default value: 51.5 Hz) Grid under-frequency. (default value: 47.5 Hz) SPI auto test fault (for Italy only) Earth fault. Neither the PE terminal on the AC connection block nor the second PE terminal on the enclosure is reliably connected. DC injection over-voltage fault in the off-grid mode. The DC injection of INV voltage exceeds the upper limit. 2. Restart the system. 1. Check whether the power cable connections are correct. 2. For Sungrow single-phase meter, check whether the CT clamp of the 1-phase sensor is correctly placed. Refer to 3.3.1 Meter Installation and Connection. Wait 5 minutes for inverter recovery or restart the system. Check the grid frequency. 1. Clear the fault via the LCD menu. 2. Restart the system and re-do the auto test if necessary. 3. If the fault persists, please contact SUNGROW for a solution. 1. Check whether there is a reliable grounding connection. 2. If there is access to the ground, and the fault still exists, please contact SUNGROW for a solution. 3. Check whether the L-line and N-line are connected correctly. The inverter will recover once the DC injection voltage falls below the recovery value. 42