Sofar 60KTLX-G3 User Manual

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Installation and operating manual (84 pages)

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USER

MANUAL

SOFAR 60...80KTLX-G3

Shenzhen SOFARSOLAR Co.,Ltd.

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Page 1 USER MANUAL SOFAR 60...80KTLX-G3 Shenzhen SOFARSOLAR Co.,Ltd.
Page 2: Table Of Contents
CONTENTS Preface Basic Safety Information 1.1 Requirement for Installation and Maintenance 1.2 Symbols and Signs Product Characteristics 2.1 Intended Use 2.2 Function Description 2.3 Electrical Block Diagram 2.4 E ciency curve Inverter Storage Installation 4.1 Installation Process 4.2 Checking Before Installation 4.3 Tools 4.4 Determining the Installation Position 4.5 Moving of Inverter...
Page 3 5.5 Wiring method recommended 5.6 Communication Connection 5.7 Feed-in limitation connecting line Commissioning of inverter 6.1 Cable Connection Inspection 6.2 Start Inverter SOFAR monitor APP 7.1 Software Downloads 7.2 Account registration and login 7.3 Local Monitoring 7.4 APP operation manual Operation interface 8.1 Operation and Display Panel...
Page 4: Preface
(including software, etc.), not allow to duplication and publishment in any form and any way. All rights reserved, SOFAR- SOLAR reserves the right of ﬁnal interpretation. This manual subject to modify according to user's or customer's feedback.
Page 5 60...80KTLX-G3 User Manual Symbols Used The following types of safety instruction and general information appear in this document as described below: 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...
Page 6: Basic Safety Information
Introduce the safety instruction during installation and operation of SOFAR 60...80KTLX-G3. Symbols Instruction This section gives an explanation of all the symbols shown on the SOFAR 60...80KTLX-G3 on-grid inverter and on the type label. 1.1 Requirement for Installation and Maintenance •...
Page 7 60...80KTLX-G3 User Manual Installation location requirement Please install the inverter according to the following section. Place inverter in an appropri- ate bearing capacity objects (such as solid brick wall, or strength equivalent mounting surface, etc.) and make sure inverter vertical placed. A proper installation location must have enough space for ﬁre engine access in order for maintenance if faulty occur.
Page 8 60...80KTLX-G3 User Manual Operation DANGER Touching the utility grid or the terminal conductors can lead to lethal electric shock or ﬁre! Do not touch non-insulated cable ends, DC conductors and any live components of the inverter. Attention to any electrical relevant instruction and document. ATTENTION Enclosure or internal components may get hot during operation.
Page 9: Symbols And Signs
(including in low temperature condition). Any damage cause by overvoltage, SOFARSO- LAR will not take the responsibility including warranty Signs on the Product and on the Type Label SOFAR 60...80KTLX-G3 has some safety symbols on the inverter. Please read and fully understand the content of the symbols before installation. Symbols...
Page 10 60...80KTLX-G3 User Manual The product can get hot during operation. Avoid Caution of hot contact during operation. Prior to performing any work surface on the product, allow the product to cool down su ciently Comply with the Conformite The product comply with the CE Certiﬁcation Europeenne (CE) Certiﬁcation Grounding...
Page 11: Product Characteristics
User Manual 2. Product Characteristics Outlines of this Chapter Product Dimensions Introduce the ﬁeld of use and the dimensions of the SOFAR 60...80KTLX-G3 on-grid inverter. Function Description Introduce working principle and internal components of the SOFAR 60...80KTLX-G3 on-grid inverter. Electrical block diagram Introduce the electrical block diagram of the product 2.1 Intended Use...
Page 12 SOFAR 60...80KTLX-G3 L×W×H=687*561*275mm Figure 2-3 Front, side and back of the machine (80KW) Figure 2-4 Bottom view of the machine (80KW) Function description of inverter box bottom ➂ ➃ ➇ ➀ ➁ ➄➅ ➆ Figure 2-5 Bottom view of SOFAR 60...80KTLX-G3...
Page 13: Function Description
60...80KTLX-G3 User Manual ➀ DC Switch ➄ USB Port (for WIFI communication) ➁ Breather valve ➅ COM Port (for RS�� communication) ➂ DC positive poles connectors ➆ AC output ➃ DC negative poles connectors ➇ Fans Labels on the equipment Note: label must NOT be hidden with objects and extraneous parts (rags, boxes, equip- ment, etc.,);...
Page 14: Electrical Block Diagram
USB stick logger(WIFI) 2.3 Electrical block diagram SOFAR 60...80KTLX-G3 has 12 DC input strings, 6 MPPT trackers to tracking the maximum power point, then converters the direct current of PV array to grid-compliant, three phase current and feeds in into the utility grid. Both DC and AC side has Surge Protection Device (SPD).
Page 15: E Ciency Curve
60...80KTLX-G3 User Manual 2.4 E ciency curve Eﬃciency curve 550V 625V 800V 100% %of Rated Output Power Figure 2-8 Power e ciency curve(take 80KW for example)
Page 16: Inverter Storage
60...80KTLX-G3 User Manual 3. Inverter Storage If inverter is not installing immediately, storage condition need meet below require- ments: • Place inverter into the original package and leave desiccant inside, sealed tight with taps. • Keep the storage temperature around -40℃～70℃, Relative humidity 5～95%, no condensation Figure 3-1 Storage temperature and humidity •...
Page 17: Installation
60...80KTLX-G3 User Manual 4. Installation Outlines of this Chapter This topic describes how to install this product, please read carefully before install. DANGER Do not install the product on ﬂammable material. Do not store this product in potentially explosive atmospheres. CAUTION The enclosure and heat sink will get hot during operation, please do not mount the product at a easy to reach location.
Page 18 60...80KTLX-G3 User Manual Figure 4-1Components and mechanical parts that inside the package ① ② SOFAR 60KTLX-G3 Rear Panel ×1 ×1 ③ ④ AC waterproof cover M8*80 expansion bolt ×1 ×4 ⑤ ⑥ PV+ metal pin PV- metal pin ×12 ×12 ⑦...
Page 19: Tools
60...80KTLX-G3 User Manual 4.3 Tools Prepare tools required for installation and electrical connection as following table: Table 4-2 Installation tools ① ② Description: Screwdriver Description: Hammer Drill Recommend Function: Use to tighten and loosen drill @ 10mm screws when installing AC power cable Function: Used to drill holes on the wall Use to remove AC connectors from the product...
Page 20: Determining The Installation Position
60...80KTLX-G3 User Manual 4.4 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 0-15°, Do not install forward or upside down! 0...75°...
Page 21: Moving Of Inverter
60...80KTLX-G3 User Manual 60cm ≥500mm ≥400mm Figure 4-3 Clearance for multiple 60...80KTL-G3 inverters 4.5 Moving of inverter Manual handling Unload the inverter from package, horizontally move to the install position. When open the package, at least two operator insert the hands into the slots on both side of the inverter and hold the handles.
Page 22: Installation
60...80KTLX-G3 User Manual 4.6 Installation 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 23 60...80KTLX-G3 User Manual Step 4：Lift the inverter and hang it on the rear panel, and ﬁxing both side of inverter with M6 screw (accessories). Figure 4-9 Fix inverter...
Page 24: Electrical Connection
NOTE For this product, the open circuit voltage of PV strings should not greater 1100V The connected panel must meet the standard IEC61730A. Item IscPV(Maximum) Maximum output current Model SOFAR ��KTLX-G� �*��A �*��A SOFAR ��KTLX-G� �*��A �*��A 5.1 Electrical Connection...
Page 25: Grounding Connection (Pe)
Connect the inverter to the grounding electrode using ground cable. NOTE SOFAR 60...80KTLX-G3 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-current-carrying metal parts (such as mounting frame, combiner box enclosure, etc.) should be connected to earthed.
Page 26: Connect Grid Side Of Inverter(Ac-Output)
Figure 5-4 Inverter external grounding instruction diagram 5.3 Connect grid side of inverter(AC-Output) SOFAR 60...80KTLX-G3 connect to utility grid by using AC power cable. The AC connection must meet the requirement of local grid operator. Caution Ban multiple Inverters use one circuit breaker Ban connect loads between inverter and circuit breaker Must use ﬁve core outdoor cable, the recommend AC cable and Residual current breaker...
Page 27 60...80KTLX-G3 User Manual Figure 5-5 Incorrect connection between load and inverter The resistance at connection point must less than 2 . In case to have a properly anti-is- landing function, please choose the high-quality PV cable and ensure the power loss is less than 1%.
Page 28 60...80KTLX-G3 User Manual Figure �-� The equipment Multi-core Cable Wiring Procedure as following: Step 1: Remove the AC waterproof cover screw with a screwdriver, and take out the stopper in the PG waterproof joint. Step 2: Select the appropriate cable diameter according to table 5-1, process the cable according to the following picture size requirements, and then pass through PG waterproof joint;...
Page 29 60...80KTLX-G3 User Manual Step 3: After assembling the PG waterproof connector, connect the cable to the AC terminal block L1, L2, L3, N, PE contacts, and fasten them (8...12 N · m). Take out the AC terminal insulation partition, clamp the AC output wiring cover and screw on the AC wiring terminal (2...3 N ·...
Page 30: Connect Pv Side Of Inverter
60...80KTLX-G3 User Manual 5.4 Connect PV side of inverter （ DC-Input） Note: Connecting PV strings into inverter must following the below procedure. Otherwise, any faulty cause by inappropriate operation will be including in the warranty case. Ensure the maximum short circuit current of PV strings should less than the maximum inverter DC current input.
Page 31 60...80KTLX-G3 User Manual 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. (3. Positive connector, 4. Negative connector); Click Figure 5-12 DC cable connection(3) Step 4: Measure PV voltage of DC input with multimeter, verify DC input cable polar...
Page 32: Wiring Method Recommended
60...80KTLX-G3 User Manual 5.5 Wiring method recommended The inverter has a total of 20 DC input terminals, of which the branch route of MPPT1...MPPT4 is controlled by DC SWITCH 1, the branch route of MPPT5...MPPT7 is controlled by DC SWITCH 2 and the branch route of MPPT8...MPPT10 is controlled by DC SWITCH 3.
Page 33: Communication Connection
60...80KTLX-G3 User Manual 5.6 Communication Connection Note: When layout the wiring diagram, please separate the communication wiring and power wiring in case the signal be affected. When layout the wiring diagram, please separate the communication wiring and power wiring in case the signal be affected. USB Port COM Port Figure 5-16 Communication connection Port...
Page 34 60...80KTLX-G3 User Manual 5.6.2 COM—Multi function communication port Port Description： Deﬁne Function Note RS485A RS485 signal+ Wire connection monitoring RS485A RS485 signal+ or multiple inverter RS485B RS485 signal- monitoring RS485B RS485 signal- Electric meter RS485A Electric meter RS485 signal+ Electric meter RS485B Electric meter RS485 signal- GND.S Communication...
Page 35: Feed-In Limitation Connecting Line
60...80KTLX-G3 User Manual 5.7 Feed-in limitation connecting line With this function, one single inverter can dynamically limit its output power to keep the feed-in power at the point of common coupling (PCC) below a deﬁned setpoint. To use the feed-in limitation function, an external SmartMeter has to be connected to measure the power ﬂow at the PCC: The arrow of the CT’s must point to the grid.
Page 36: Commissioning Of Inverter
Step 3: Set the PV input mode. Parallel mode needs to be set via the LCD when there is a parallel connection of MPPTs or when a PV busbar is used. When the DC power generated by the solar array is enough, the SOFAR 60...80KTLX-G3 inverter will start automatically. Screen showing“normal”indicates correct operation.
Page 37: Sofar Monitor App
②You can also download "SOFAR Monitor" by scanning the QR code below. SOFAR Monitor download 7.2 Account registration and login 7.2.1 Registered If you do not have an account with SOFAR Monitor, please click {Register Account} at the bottom of the login screen to register.
Page 38 7.2.2 login If you already have a SOFAR Monitor account, log in directly on the login page. You can log in by mobile phone number, email address, and username. After logging in success- fully, go to the homepage of Shouhang Monitor.
Page 39: Local Monitoring
60...80KTLX-G3 User Manual 7.3 Local Monitoring Please turn on your phone's Bluetooth in advance before using this function. 7.3.1 Bluetooth connection Selection of connection method 1: Entering the application interface, enter the sidebar, and click [Local Control], in the page, you can connect the mobile phone and the inverter through Bluetooth communication to realize near-ﬁeld operation and maintenance, debugging, upgrade and safety import and other functions.
Page 40 60...80KTLX-G3 User Manual ①Sweep: ②Search: Click [Scan] will prompt you to turn on After clicking [Search], it will jump to the camera on the phone, scan the SN the list of Bluetooth devices and start number barcode on the inverter to searching for nearby available start searching for the Bluetooth of the Bluetooth devices, and select the...
Page 41: App Operation Manual
60...80KTLX-G3 User Manual 7.4 APP operation manual For APP function introduction and speciﬁc operation, please click [≡] in the upper left corner of the page, enter the sidebar, and click [Personal Settings]>> [About Software] >> [Operation Manual] to view detailed operation information.
Page 42: Operation Interface
60...80KTLX-G3 User Manual 8. Operation interface Outlines of this chapter This section introduces the display, operation, buttons and LED indicator lights of SOFAR 60...80KTLX-G3 Inverter. 8.1 Operation and Display Panel Buttons and Indicator lights Button: “^” Short press UP button = go up；“^” Long press UP button = exit current interface；...
Page 43 60...80KTLX-G3 User Manual 3. Inverter working status, PV 3 input 4.Inverter working status, PV 4 input voltage and current voltage and current 5.Inverter working status, PV generated 6.Inverter working status, today power generated electricity 7.Inverter working status, total generated 8.Inverter working status, grid voltage electricity and current 9.Inverter working status, grid voltage...
Page 44: Main Interface
60...80KTLX-G3 User Manual Check: Inverter is checking isolation resistor, relays, and other safety requirements. It also does self-test to ensure inverter software and hardware are well functional. Inverter will go to Fault State or Permanent State if any error or fault occurs. Normal: Inverter enter to Normal State，it is feeding power to the grid;...
Page 45 Set the address (when you need to monitor multiple inverters simultaneously)，Default 01. 8.Set Input mode SOFAR 60~80KTLX-G3 has 6 MPPTs, these MPPTs can work interdependently, or divided into parallel mode. User can change the setting according to the conﬁguration. 9.Set Language Set the inverter display language.
Page 46 60...80KTLX-G3 User Manual 13.Set Power Derate Enable or disable the power derate function of the inverter, and set the derate ratio. 14.PCC Select Select the parallel network sampling method. 15.Reﬂux Mode Select reﬂux mode. 16.InputSafety To upgrade the InputSafety, perform this step, if you do not upgrade, skip this step. Put the safety library upgrade ﬁle "60-80KW-G3_SAFETY.bin"...
Page 47 60...80KTLX-G3 User Manual （B）Event List： Event List is used to display the real-time event records, including the total number of events and each speciﬁc ID No. and happening time. User can enter Event List interface through main interface to check details of real-time event records, Event will be listed by the happening time, and recent events will be listed in the front.
Page 48: Updating Inverter Software
60...80KTLX-G3 User Manual 8.4 Updating Inverter Software SOFAR 60...80KTLX-G3 inverter offer software upgrade via USB ﬂash drive to maximize inverter 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 49: Trouble Shooting And Maintenance
60...80KTLX-G3 User Manual 9. Trouble shooting and maintenance 9.1 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 50 60...80KTLX-G3 User Manual Code Name Description Solution Power grid line under-frequency protection points after obtaining ID011 VGridLineFault approval from the local electrical grid operator. voltage error Inverter voltage error ID012 InvVoltFault Internal faults of inverter, switch OFF inverter, wait for 5 minutes, then switch ON inverter. Check Power grid current whether the problem is solved.
Page 51 60...80KTLX-G3 User Manual Code Name Description Solution Check ac output PE wire for grounding. If not PEConnectFault ID043 Ground fault solved, please contact SOFARSOLAR technical support. Check the input mode (parallel/independent Error setting PvConﬁgError ID044 mode) Settings for the inverter. If not solved, input mode please contact SOFARSOLAR technical support.
Page 52 60...80KTLX-G3 User Manual Code Name Description Solution Unbalanced Internal faults of inverter, switch OFF inverter, wait BusRmsUnbalance ID065 bus voltage RMS for 5 minutes, then switch ON inverter. Check whether the problem is solved. The transient value of bus If not, please contact SOFARSOLAR technical BusInstUnbalance ID066 support.
Page 53 60...80KTLX-G3 User Manual Code Name Description Solution Inverter bus hardware ID098 HwBusOVP overvoltage BuckBoosthardware ID099 HwBuckBoostOCP overﬂows ID100 Reserved Reserved ID102 HwPVOCP PV hardware overﬂows Ac output hardware ID103 HwACOCP overﬂows Meters communication Internal faults of inverter, switch OFF inverter, wait ID105 MeterCommFault fault...
Page 54 60...80KTLX-G3 User Manual Code Name Description Solution Lightning protection ID121 SpdFail(DC) fault(DC) Lightning protection ID122 SpdFail(AC) fault(AC) Internal faults of inverter, switch OFF ID124 Reserved Reserved inverter, wait for 5 minutes, then switch ON inverter. Check whether the problem is solved. ID125 Reserved Reserved...
Page 55 60...80KTLX-G3 User Manual Code Name Description Solution ID146 WiﬁFault Wiﬁ fault Internal faults of inverter, switch OFF inverter, wait for 5 minutes, then switch ON inverter. Check whether the problem is solved. ID147 BluetoothFault Bluetooth fault If not, please contact SOFARSOLAR technical support.
Page 56 60...80KTLX-G3 User Manual Code Name Description Solution ID169 FanFault1 Fan 1 fault Check whether the inverter has dust and dust, whether there are foreign matters blocking the fan at the air inlet. If so, please improve the ventilation and heat dissipation of the ID170 FanFault2 Fan 2fault...
Page 57: Maintenance
60...80KTLX-G3 User Manual 10. Fan maintenance and replacing Inverters generally do not need any daily or routine maintenance. But ensure heat sink should not be blocked by dust, dirt or any other items.Before the cleaning, make sure that the DC SWITCH is turned OFF and the circuit breaker between inverter and electrical grid is turned OFF.
Page 58 60...80KTLX-G3 User Manual Step 2: Cut the ties holding the fan cable, unplug the connection terminals, and pull out the fan bracket. 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.
Page 59: Replacing A Fan
60...80KTLX-G3 User Manual 10.2 Replacing a Fan Follow below steps for maintenance: 1. Before replacing a fan, power f the inverter. 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.
Page 60 60...80KTLX-G3 User Manual Step 4: Remove the faulty fan. Step 5: Install the new fan, following the order of steps 4,3. Step 6: Follow step 2 to align the fan bracket with the mounting position, push in the fan bracket and connect the connection terminals. Table 10-1 Comparison table of fan failure messages Name of the fan FAN 3...
Page 61: Technical Data
60...80KTLX-G3 User Manual 11. Technical Data Outlines of this Chapter This topic lists the technical speciﬁcations for SOFAR 60...80KTLX-G3 inverter. 11.1 Parameter Table: SOFAR SOFAR Datasheet 60KTLX-G3 80KTLX-G3 Input (DC) Max. input voltage 1100V Rated input voltage 620V Start-up voltage...
Page 62 60...80KTLX-G3 User Manual Protection DC reverse polarity protection Anti-islanding protection Leakage current protection Ground fault monitoring PV-array string fault monitoring Zero export function DC switch Optional PV:Type II standard,Type I optional; AC:Type III standard,Type I optional General Data Ambient temperature range -30℃...+60℃...
Page 63 Version 2.3 ADDRESS 11th Floor, Gaoxingqi Technology Building, District 67, Xingdong Community, Xin’an Street, Bao’an District, Shenzhen, China EMAIL info@sofarsolar.com WEBSITE www.sofarsolar.com...

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