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REFUSOL 110K-10T User Manual

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Summary of Contents for REFUSOL 110K-10T

  • Page 2 CONTENTS 1 Product Characteristics 1.1 Intended Use 1.2 Function Feautures 1.3 Electrical Block Diagram 1.4 Others 2 Inverter Storage 3 Installation 3.1 Installation Process 3.2 Examination Before Installation 3.3 Tools 3.4 Determining the Installation Position 3.5 Moving of Inverter 3.6 Installation 4 Electrical Connection 4.1 Electrical Connection 4.2 Terminal Connector...
  • Page 3 This chapter describes the product features, dimensions and efficiency levels. 1.1 Intended Use REFUsol 110-125K–10T is a grid-coupled PV inverter with up to ten MPPTs which converts the direct current generated by PV systems into a three-phase alternating current and feeds it into the public power grid.
  • Page 4 The choice of optional parts of inverter should be made by a qualified technician who knows the installation conditions clearly. Dimensions Description • REFUsol 110-125K – 10T H × W × D = 695*970*325mm Product front view and left view dimensions...
  • Page 5 The PID effect can be recovered at night to protect the PV modules. 1.3 Electrical Block Diagram REFUsol 110-125K – 10T has 20 DC input strings. 10 MPPT trackers that converters the direct current of PV array to grid-compliant, three phase current and feeds in into the utility grid.
  • Page 6 This assures that the opening of the output circuit will also operate in case of one error. AC Relay Model HF167F-200, 830Vac/200A. All models have been performed without an additional relay connected during VDE4105:2018 certification, to check the internal protection of the equipment. REFUsol 110K-125K-10T...
  • Page 7 2 Inverter Storage If inverter is not installing immediately, storage condition need meet below requirements:  Place inverter into the original package and leave desiccant inside, sealed tight with taps.  Keep the storage temperature around -40 ℃ ~70 ℃ , Relative humidity 0~95%, no condensation.
  • Page 8 Recommend installing the product within 24 hours after unpacking the package. Checking Deliverable After unpacking, please check according to following table, to see whether all the parts were included in the packing, please contact your distributor immediately if anything missing or damage. REFUsol 110K-125K-10T...
  • Page 9 Table 4-1 Components and mechanical parts that inside the package ① ② REFUsol 110-125K – Rear Panel x1 pcs x 1 pcs ③ ④ PV+ input connector PV- input connector x20pcs x20pcs ⑤ ⑥ PV+ metal pin x20pcs PV- metal pin x20pcs ⑦...
  • Page 10 Description: Level Description: ESD gloves Function: Ensure the rear panel is Function: Installer wear when properly installed installing product ⑯ ⑮ Description: Safety goggles Description: Mask Function: Function: Installer wear when Installer wear when installing product installing product REFUsol 110K-125K-10T...
  • Page 11 3.4 Determining the Installation Position Select a appropriate location to install the product to make sure the inverter can work in a high efficiency condition. When selecting a location for the inverter, consider the following: Note: Install vertical or backward tilt within 0-75°, Do not install forward or upside down! Vertical installation Tilt back installation Figure 4-1 Installation Position Selection...
  • Page 12 Attention the weight of the inverter.  When place inverter on the floor, put it above foam or paper to avoid the damage of the shell of inverter. REFUsol 110K-125K-10T...
  • Page 13 3.6 Installation 3.6.1 Installed on wall Step 1: Placed the rear panel on the mounting wall, determine the mounting height of the bracket and mark the mounting poles accordingly. Drilling holes by using Hammer Drill, keep the hammer drill perpendicular to the wall and make sure the position of the holes should be suitable for the expansion bolts.
  • Page 14 Step 4： Lift the inverter and hang it on the rear panel, and fixing both side of inverter with M6 screw (accessories). Figure 4-8 Fix inverter REFUsol 110K-125K-10T...
  • Page 15 3.6.2 Bracket Installation: Step 1： Use wall mount bracket, ensure the pole position are in same level by using level rule and take a mark with maker. Figure 4-9 Ensure hole position Step 2：Drilling hole by using Hammer Drill, recommend to do a stain proofing. Figure 4-10 Drilling holes Step 3：Use M10 screw and M10 flat washer to secure the wall bracket（Note：M10*50 screw and M10 flat washer need self-preparation).
  • Page 16 Step 4：Lift the inverter and hang it on the wall bracket, and fixing both side of Inverter with M6 screw. Repeat 4.6.1 step 4. Note: The stand must be firmly anchored to the ground to avoid shaking and tipping. REFUsol 110K-125K-10T...
  • Page 17 4 Electrical Connection Outlines of this Chapter This section introduces the electrical connection for the product. Please read the information carefully, it may helpful to understand the grounding wiring, DC input connection, AC output connection and communication connection. Caution: Before performing electrical connections, ensure the DC switch is OFF and AC circuit breaker is OFF.
  • Page 18 *Take picture as reference Name Description input PVX+/PVX- PV connector terminals USB/WIFI port USB/WIFI For WIFI Communication RS485 RS485 Communication RS485/DRMs Modbus/DRMs port/DRMs port output AC output terminal terminals Connecting terminal Grounding ground, choose at least one for grounding connection REFUsol 110K-125K-10T...
  • Page 19 4.3 Grounding Connection (PE) Connect the inverter to the grounding electrode using ground cable. REFUsol 110-125K – 10T is a transformerless inverter which requires the positive pole and negative pole of the PV array are NOT grounded. Otherwise, it will cause inverter failure. In the PV system, all non-cur-...
  • Page 20 Otherwise, should not open the wiring box.  Please do not unused screw in the wiring box. Step 1: Use M6 driver to unscrew the two screws on the wiring box. REFUsol 110K-125K-10T...
  • Page 21 Step 2: Open wiring box cover. Figure 5-5 Open wiring box 4.4.2 Wiring Terminal and Precautions Note：  Before connect to grid, please ensure the grid voltage and frequency of local grid meet the requirement of inverter , any question please seek local grid company for help. ...
  • Page 22 Step 3: Unscrew the nut of the AC terminal block and select the sealing ring according to outer diameter of the cable. Insert the nut, sealing ring into the cable in sequence. Step 4: Remove the insulation layer of an appropriate length according to figure below. REFUsol 110K-125K-10T...
  • Page 23 Step 5：Crimp the Terminal. Step 6: Depending on the grid configuration, connect L1, L2, L3 and N to the terminals according to the label and tighten the screw on the terminal using a screwdriver. REFUsol110K-125K-10T...
  • Page 24  Please use the connectors in the accessories bag. The damage cause by incorrect is not including in the warranty. Table 5-2 Recommend DC cable size Copper cable cross section area( mm² ) Cable OD(mm) Range Recommend 4.0~6.0 4.5~7.8 REFUsol 110K-125K-10T...
  • Page 25 Step 1: Find the metal contact pins in the accessories bag, connect the cable according below diagram (1.Positive cable, 2. negative cable)； Figure 5-8 DC cable connection（1） Step 2: Crimp the PV metal contact pin to the striped cable using a proper crimping pliers; crimping tool Step 3: Insert wire into the connector cap nut and assemble into the back of male or female plug, When you heard a “click”, the pin tact assembly is seated correctly.
  • Page 26 12~20 strings, the recommended connection method of DC input terminals is as follows: Enter the number Terminal selection of strings Twelve PV1/PV2/PV3/PV4/PV5/PV7/PV9/PV11/PV13/PV15/PV17/PV19 Thirteen PV1/PV2/PV3/PV4/PV5/PV6/PV7/PV9/PV11/PV13/PV15/PV17/PV19 Fourteen PV1/PV2/PV3/PV4/PV5/PV6/PV7/PV8/PV9/PV11/PV13/PV15/PV17/PV1 Fifteen PV1/PV2/PV3/PV4/PV5/PV6/PV7/PV8/PV9/PV10/PV11/PV13/PV15/PV1 7/PV19 Sixteen PV1/PV2/PV3/CPV5/PV6/PV7/PV8/PV9/PV10/PV11/PV12/PV13/PV15/P V17/PV19 Seventeen PV1/PV2/PV3/PV4/PV5/PV6/PV7/PV8/PV9/PV10/PV11/PV12/PV13/PV1 4/PV15/PV17/PV19 REFUsol 110K-125K-10T...
  • Page 27 By the USB acquisition stick (WiFi), transfer the inverter power output information, alarm information, operation state to the PC terminal or local data acquisition device, then uploaded to the server. Register remote monitoring of REFUsol 110K-125K-10T at its relevant website or REFaccording to monitoring device SN.
  • Page 28 Electric meter RS485A Electric meter RS485 signal+ Wire connection Electric meter Electric meter RS485B Electric meter RS485 signal- GND.S Communication Ground DRM0 Remote shunt down DRM1/5 DRMS port DRM2/6 DRM3/7 DRM4/8 CAN-3A CAN+ For parallel For parallel CAN-3B CAN- REFUsol 110K-125K-10T...
  • Page 29 For parallel CAN-3A CAN+ For parallel CAN-3B CAN- Procedure： Communications Port Description Logic interface A. Logic interface for AS/NZS 4777.2:2020, also known as inverter demand response modes (DRMs). The inverter will detect and initiate a response to all supported demand response commands within 2 s.
  • Page 30 1 or 0 1 or 0 1 or 0 1 or 0 100% 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. REFUsol 110K-125K-10T...
  • Page 31 Figure 5-13 Inverter – RRCR Connection Table 5-7 Function description of the terminal Pin name Description Connected to (RRCR) Relay contact 1 input K1 - Relay 1 output K1 - Relay 1 output Table 5-8 The inverter is preconfigured to the following RRCR power levels. Relay status: close is 1, open is 0 Active Power Power drop rate...
  • Page 32 Figure 5-14 Picture of the RS485/USB converter and PC terminal If only one REFUsol 110K-125K-10T is used, use a communication cable, refer to section 7.2 for COM pin definition, and choose either of the two RS485 ports Figure 5-15 One single REFUsol 110K-125K-10Tconnecting communications The length of the RS485 communication cable should be less than 1000 m.
  • Page 33 924026 Smart Meter (3-phase) 3-phase Smart Meter Chint DTSU666 (external CT's required) 924027 CT Kit 200A (for DTSU 1 current transformer, 200A/5A to connect to SmartMeter) 3-phase SmartMeter Chint DTSU666 924028 Smart Meter (3-phase) 3-phase Smart Meter Chint DTSU666 (direct connection up to 80A) 924029 CT Kit 600A (for DTSU...
  • Page 34 Step 3:Setting the PV input mode, when parallel connection exists in the MPPT, or when a PV busbar is used, the parallel connection mode needs to be set via the LCD. When the DC power generated by the solar array is enough, the REFUsol 110K-125K-10T inverter will start automatically. Screen showing“normal”indicates correct operation.
  • Page 35 6.1 Configuration of the WiFi stick via the web browser Preparation: The WiFi stick is installed in accordance with the previous section and the REFUsol inverter must be in operation.Carry out the following steps in order to configure the WiFi stick: 1.
  • Page 36 The Ethernet stick is delivered with DHCP as standard, so it automatically gets an IP address from the router. If you wish to set up a fixed IP address, connect a PC to the Ethernet stick and open the configuration page via the web address 10.10.100.254. REFUsol 110K-125K-10T...
  • Page 37 7 Operation Interface Outlines of this chapter This section introduces the display, operation, buttons and LED indicator lights of REFUsol 110K-125K-10T Inverter. 7.1 Operation and Display Panel Buttons and Indicator lights Button: “^” Short press UP button = go up；“^” Long press UP button = exit current interface；...
  • Page 38 Inverter working status, total generated electricity Inverter working status, grid voltage and current Inverter working status, grid voltage and frequency Inverter working status, Wi-Fi/ RS485 status Inverter faulty alarm When power turn on, LCD interface displays INITIALIZING, refer below picture. REFUsol 110K-125K-10T...
  • Page 39 When control board successfully connected with communication board, the LCD display the current state of the inverter，display as shown in the figure below. Inverter states includes: wait, check, normal, fault and permanent Wait: Inverter is waiting to Check State when reconnect the system. In this state, grid voltage value is between the max and min limits and so on;...
  • Page 40 1.Set Time Set the system time for the inverter. 2. Factory reset Restore exit settings and clear power and clear events 3.Set Standards Set safety through TXT file in U disk 4.Remote Control Inverter on-off remote control. 5.Set Energy REFUsol 110K-125K-10T...
  • Page 41 Select a different protocol and set the address 7.Set Input mode REFUsol 110K-125K-10T has 10 MPPTs, these MPPTs can work interdependently, or divided into parallel mode. User can change the setting according to the configuration. For example, when the input channel types are all PV1, it is parallel mode.
  • Page 42 Long press DOWN button 1.Inverter Type 11.Reflux Enable 2.Serial Number 12.Reflux Power 3.General Soft Version 13.DRMs0 4.Hard Version 14.DRMn SystemInfo 5.Safety Standards 15.Mppt Scan 6.SafetySWVersion 16.Active Power 7.Safety Hardversion 17.PCC Select 8.Modbus Address 18. Power Ration 9.Input Mode 19. GroundDetection REFUsol 110K-125K-10T...
  • Page 43 USB flash drive. 7.4 Updating Inverter Software REFUsol 110K-125K-10T inverter offer software upgrade via USB flash drive to maximizeinverter performance and avoid inverter operation error caused by software bugs. Step 1: Turn off AC circuit breaker and DC switch, remove the communication board cover as below figure.
  • Page 44 Step 9: After the update is completed, turn off the DC breaker, wait for the LCD screen extinguish, then recover the communication waterproof and then turn on the DC breaker and AC breaker again, the inverter will enters the running state. User can check the current software version in Systemlnfo>>3.SoftVersion. REFUsol 110K-125K-10T...
  • Page 45 8 Trouble Shooting and Maintenance 8.1 Troubleshooting This section describes the potential errors for this product. Please read carefully for the following tips when doing the troubleshooting: 1)Check the warning message or faulty codes on the inverter information panel 2)If not any error code display on the panel, please check the following lists: •...
  • Page 46 ID014 VGridUnbalance grid voltage imbalance then switch ON inverter. Check Power grid current sampling whether the problem is solved. ID017 HwADErrIGrid error If no, please contact technical Wrong sampling of dc support. ID018 HwADErrDCI(AC) component of grid current REFUsol 110K-125K-10T...
  • Page 47 Power grid voltage sampling ID019 HwADErrVGrid(DC) error (DC) Power grid voltage sampling ID020 HwADErrVGrid(AC) error (AC) Leakage current sampling ID021 HwGFCIFault(DC) error(DC) Leakage current sampling ID022 HwGFCIFault(AC) error(AC) Dc input current sampling ID024 HwADErrIdc error ID025 HwADErrDCI(DC) HwADErrIdcBranc ID026 Leakage current consistency ID029 ConsistentGFCI error ID030 ConsistentVgrid...
  • Page 48 Ambient temperature 1 ID057 TempErrEnv1 vertically ambient protection temperature is below the inverter Ambient temperature 2 ID058 TempErrEnv2 temper ature limit. protection Module 1 temperature ID059 TempErrInv1 protection Module 2 temperature ID060 TempErrInv2 protection Module 3 temperature ID061 TempErrInv3 protection REFUsol 110K-125K-10T...
  • Page 49 Inverter Module Temperature ID062 TempDiffErrInv Difference is too large Unbalanced bus ID065 BusRmsUnbalance Internal faults of inverter, switch voltage RMS OFF inverter, wait for 5 minutes, The transient value of bus ID066 BusInstUnbalance then switch ON inverter. Check voltage is unbalanced whether the problem is solved.
  • Page 50 ID115 FreqLoading AC frequency is too low frequency and voltage is within ID116 VoltDerating AC voltage is too high the acceptable range. ID117 VoltLoading AC voltage is too low ID129 PermHwAcOCP Output hardware overcurrentInternal faults of inverter, switch REFUsol 110K-125K-10T...
  • Page 51 permanent failure OFF inverter, wait for 5 minutes, then switch ON inverter. Check Permanent overvoltage ID130 PermBusOVP whether the problem is solved. failure If no, please contact technical Permanent hardware ID131 PermHwBusOVP support. overvoltage failure PV uneven flow permanent ID132 PermIpvUnbalance failure Output transient overcurrent ID134 PermAcOCPInstant...
  • Page 52 Please check whether the fan 6 of ID174 FanFault6 Fan 6 fault inverter is running normally Please check whether the fan 7 of ID175 FanFault7 Fan 7 fault inverter is running normally Check whether the meters wiring ID176 MeterCommLose Meters communication fault is correct REFUsol 110K-125K-10T...
  • Page 53 AFCI module communication ID189 AFCICommLose is lost ID191 PID_Output_Fail PID function is failed Check whether the meters wiring ID192 PLC_Com_Fail PLC communication is lost is correct Notes : When the ID042 IsoFault， during troubleshooting， the AC must be switched off or the inverter must be switched off.
  • Page 54 2. When replacing a fan, use insulation tools and wear personal protective devices. Step 1: Remove the screw on the fan tray and save it, Extract the fan bracket about 5-10cm. Step 2: Cut the ties holding the fan cable, unplug the connection terminals, and pull out the fan bracket. REFUsol 110K-125K-10T...
  • Page 55 Step 3: Use a soft-bristled brush or vacuum cleaner to clean dust and debris from the surface of the fan. Step 4: Follow step 2 to align the fan bracket with the mounting position, push in the fan bracket and connect the connection terminals. Then tighten the screws on the fan bracket according to step 1.
  • Page 56 1. Table 10-1 Comparison table of fan failure messages Name of the fan FAN 3 FAN 5 FAN 7 FAN 6 FAN 4 Color black Blue White Yellow Corresponding CN16 PCBA port Code FanFault3 FanFault5 FanFault7 FanFault6 FanFault4 REFUsol 110K-125K-10T...
  • Page 57 10 Technical Data Outlines of this Chapter This topic lists the technical specifications for REFUsol 110K-125K-10T inverter. 10.1 Parameter Table Datasheet REFUsol 110K-10T REFUsol 125K-10T Input (DC) Max. input voltage 1100V Rated input voltage 625V Start-up voltage 200V MPPT operating voltage...
  • Page 58 The data specified is only used to describe the product and should not be interpreted as warranted characteristics in the legal sense. The right to change the content of this documentation and the availability of the products are reserved REFUsol 110K-125K-10T...

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125k-10t