Senergy 16KTL-DL3, User Manual

Page 1: ...Ver 01 17KTL 30KTL D3 16KTL 18KTL DL3 ...

Page 2: ...nal Models 2 2 Network Application 2 3 Outline and Dimensions 2 4 Working Modes 2 1 1 Function 2 1 2 Model Description 2 3 1 Dimensions 2 3 2 Outline 2 2 1 Grid tied PV Power Systems 4 1 Checking the Outer Packing 4 2 Moving the Inverter 4 3 Identify the PV Inverter 4 4 Installation Requirements 4 3 1 Nameplate 4 3 2 Compliance and Safety Symbols 3 Storage 4 Installation 01 01 01 02 03 03 03 03 04...

Page 3: ...reparation 5 2 2 Procedure of Connecting AC Cables 5 3 2 Procedure of connecting the PV Strings 6 System Operation 6 1 Powering ON the Inverter 6 2 Powering OFF the Inverter 7 User Interface 8 Maintenance 10 Disposal of the Inverter 11 Technical Specifications 8 1 Routine Maintenance 8 2 The Inverter Troubleshooting 8 3 Removing the Inverter 9 Quality Guarantee 9 1 Quality Terms 9 2 Liability Waiv...

Page 4: ...aintenance and troubleshooting Please read through the manual carefully before installing and using the inverter and keep the manual well for future reference Application Model Grid tied PV string inverter This user manual is intended for photovoltaic PV inverter operating personnel and qualified electrical technicians Intended Audience This user manual is subject to change specific please in kind...

Page 5: ...ituation which if not correctly followed could result in equipment failure to run or property damage Calls attention to important information best practices and tips supplement additional safety instructions for your better use of the PV inverter to reduce the waste of your resource Refer to documentation Remind operators to refer to the documentation shipped with the inverter Symbol Conventions S...

Page 6: ...meplate on the inverter s enclosure because it contains important product information c Do not remove the anti dismantle label on the inverter s enclosure because it is the basis for product warranty 1 2 The PV Inverter Protection a Ensure there is no electronical connections around ports of the PV inverter before installing b Adequate ventilation must be provided for inverter installation locatio...

Page 7: ...r b Follow the procedures of commissioning described in the user manual when commissioning the PV inverter c Do not touch any other parts surface except the DC switch when the PV inverter is operating its partial parts will be extremely hot and can cause burns 1 5 Operating and Commissioning 1 6 Maintenance Before installing the inverter check all electrical ports to ensure no damage and no short ...

Page 8: ...nt unauthorized access to the maintenance site c Follow the procedures of maintenance stipulated in the manual strictly d Check the relevant safety and performance of the inverter rectify any faults that may compromise the inverter security performance before restarting the inverter 1 7 Additional Information To avoid any other unforeseeable risk contact Senergy immediately if there is any issue f...

Page 9: ...nverter using 17K as an example 17K Power class code Figure 2 1 Model number descriptions 2 1 Functional Models 2 2 1 Grid tied PV Power Systems The series apply to grid tied PV power systems for industrial commercial rooftops fishing farmers light complementary power generation systems and large ground based power stations as shown in Figures 2 2 2 2 Network Application The inverter is transforme...

Page 10: ...gure 2 3 Power grids supported by these series inverters Inverter TN S TN C TN C S TT Inverter Inverter Inverter Figures 2 4 The dimensions of the PV inverter unit mm 2 3 1 Dimensions Figures 2 4 shows the dimensions of PV inverter as follows These series support the power grid modes TN S TN C TN C S and TT as shown in Figure 2 3 555 469 5 270 5 ...

Page 11: ...s as follows Figure 2 5 The front view and amplification effect of LED indicator area 1 PV Indicator 2 Grid Indicator 3 COM Indicator 4 Warning Indicator 5 LCD optional L 1 L2 L3 N PE 8 1 PV Strings connectors 2 DC Switch 3 Communications interface 4 RS485 5 AC output connectors 6 Fan for 16K 18KTL DL3 25K 28K 30KTL D3 7 Vent valve 8 External Protection Ground interface ...

Page 12: ...art requirements but cannot meet its minimum power requirements When the PV inverter is grid tied and generates electricity it tracks the maximum power point to maximize the PV String output converts DC power from PV strings into AC power and feeds the power to the power grid The PV inverter will enter to the shutdown mode if detecting a fault or a shutdown command Modes Standby Operating Descript...

Page 13: ...the relative humidity of 0 to 100 no condensing The PV inverter should be stored in a clean and dry place and be protected from dust and water vapor corrosion A maximum of four layers of inverters can be stacked Do not position the inverter at a front tilt excessive back tilt or side tilt or upside down Conduct periodic inspection during storage Replace the packing materials immediately if any rod...

Page 14: ...ng materials or in an area that stores flammable or explosive materials Do not install the inverter in a place where personnel are likely to come into contact with its enclosure and heat sinks to avoid electrical shock burn Figure 4 1 The deliverables The inverter and its fittings The deliverables in the fittings of inverter CAUTION DANGER AC output connector The inverter Items Deliverables File p...

Page 15: ...t foam or paper under to protect its enclosure 4 3 1 Nameplate After moving the PV inverter from packing box identify it by reading its nameplate labeled on the side of the inverter The nameplate contains important product information the model information communications technical specifications and compliance symbols shown in inverter 4 3 Identify the PV Inverter CAUTION CAUTION If any damage men...

Page 16: ...position one kinds of physical installation are described below in detail Support mounting Basic Requirements a The inverter is protected to IP65 and can be installed indoors or outdoors b The installation method and position must be appropriate for the weight and dimensions of the inverter c Do not install the inverter in a place where personnel are likely to come into contact with its enclosure ...

Page 17: ...ments a It is recommended that the inverter be installed at eye level to facilitate operation and maintenance b Reserve enough clearance around the inverter to ensure sufficient space for installation and heat dissipation as shown in Figure 4 4 a The carrier where the inverter is installed must be fire proof Do not install the inverter on flammable building materials b The wall must be solid enoug...

Page 18: ... as shown in Figure 4 5 if sufficient space is available and install them in triangle mode as shown in Figure 4 6 or in stacked mode as shown in Figure 4 7 if no sufficient space is available The installation modes ensure sufficient space for installation and heat dissipation Figure 4 5 Installation along the same line unit mm 500 1000 600 200 200 200 200 ...

Page 19: ...6 Installation in triangle mode unit mm Figure 4 7 Installation in stacked mode unit mm The clearance between multiple inverters must be increased to ensure proper heat dissipation when they are installed in a hot area NOTICE 16 ...

Page 20: ...n mode The correct installation mode upright back tilt Figure 4 9 The wrong installation modes The wrong installation will lead to failure of the inverter operation NOTICE The wrong installation mode Horizontally Upside down Step 1 Support mounting the inverter is recommended Tighten the support and rear panel using M12 bolt and the required torque is 42N m as shown in Figure 4 10 4 5 Support moun...

Page 21: ... on the rear panel and ensure that they are secured as shown in Figure 4 12 Figure 4 11 Mounting the inverter Figure 4 12 Securing the inverter Therequiredtorqueis3N m Ensure that the supporting points on the rear side of the inverter align with the holes of the support Ensure that the inverter is well fixed Ensure that the inverter is locked on the support 4 6 Installation Self check ...

Page 22: ...er for multiple inverters otherwise circulating current generated by the inverters will lead to operation failure Select Isolation SET on the SE Touch APP and set in Input Grounded With TF 5 1 Connecting Protection Ground PGND Cables The ground cable and OT terminals have been prepared with below requirements a Ground cable Outdoor copper core cables with a cross sectional area of 16 mm or more ar...

Page 23: ...ripper the length is a little bit longer than that of OT terminal s crimping end by 2mm 3mm as shown in Figure 5 1 5 1 2 Wiring Procedures Figure 5 1 Stripped length unit mm Step 2 Insert the exposed core wires into the crimping areas of the OT terminal and crimp them using hydraulic pliers as shown in Figure 5 2 Figure 5 2 Crimping a cable unit mm Step 3 Secure the PGND cable using the ground scr...

Page 24: ...ommended Value Range Cross sectional Area 2 Cable Outer Diameter mm mm b OT terminals The inverter requires M5 OT terminals and a cable with the maximum cross sectional area of 2 25 mm An independent three phase circuit breaker must be installed on the AC side of each inverter to ensure that the inverter can be safely disconnected from the power grid NOTE An independent three phase circuit breaker...

Page 25: ... the crimp area of the OT terminal and crimp them using hydraulic pliers Wrap the wire crimp area with heat shrink tubing or PVC insulation tape as shown in Figure 5 5 120 recommend L2 L1 2mm 3mm L1 specification M6 Figure 5 4 Stripped length unit mm If heat shrinks tubing is used put it through the power cable and then crimp the OT terminal NOTICE Heat shrink tubing Figure 5 5 Crimping the OT ter...

Page 26: ...of 3N m as shown in Figure 5 6 Step 4 Lock the AC OUTPUT terminal shell back to the original position Stretch all the lines on the AC end naturally and then tighten the plug as shown in Figure 5 7 L1 L1 L1 L2 L2 L2 L3 L3 L3 N N N PE PE PE L 1 L2 L3 N PE L1 L1 L1 L2 L2 L2 L3 L3 L3 N N N PE PE PE L 1 L2 L3 N PE Figure 5 6 Tighten AC wire Figure 5 7 Tightening the wiring board L 1 L2 L3 N PE ...

Page 27: ... a module in a string Only after the inverter enters in shutdown mode it is allowable for preceding DC input power cables maintenance Grounding the PV Strings needs below prerequisites otherwise a fire can occur PV modules connected in series in each PV string must be of the same specifications The maximum open circuit voltage of each PV string must be always lower than or equal to its permitted r...

Page 28: ...TL 22KTL D3 b DC input cables of PV Strings Table 5 3 lists the recommended outdoor copper core DC input cable specifications Table 5 3 Recommended DC input cable recommended specifications Cable type Range Recommended Value Range Cross sectional Area 2 Cable Outer Diameter mm mm Common PV cables in the industry model PV1 F 5 8 4 6 4 5 3 1 Preparation PV Strings DC input cable and connectors have ...

Page 29: ...e and negative metal connectors are packed with positive and negative connectors respectively when shipped out After unpacking keep the positive and negative ones separate to avoid confusion 5 3 2 Procedure of connecting the PV Strings Step 1 Remove an appropriate length of the insulation layer from the positive and negative power cables using a wire stripper as shown in below Figure Positive meta...

Page 30: ...egative power cables into the corresponding positive and negative connectors until a click sound is heard as shown in Figure 5 12 Figure 5 12 Connecting positive and negative connectors Step 4 Tighten the locking nuts on the positive and negative connectors using a removal wrench as shown in Figure 5 13 Figure 5 13 Locking connectors Step 5 Measure the voltage of every route Strings using a multim...

Page 31: ...5 4 1 Communications Mode Description You can use the following communications modes to implement communications Bluetooth WIFI GPRS and RS485 all of which are described as follows 5 4 Connecting Communications Cables RANGE MAXMIN REL Hz 10A MAX hFE COM FUSED FUSED AMPHENOL P C 800 00 You can turn on the Bluetooth function of the mobile phone and set parameters and monitor data of the inverter thr...

Page 32: ...onnecting method and its setting Table 5 4 WIFI GPRS RS485 Modules Description GPRS module implements communication with Cloud server through cellular to monitor PV inverter s data status For more details refer to GPRS Product Application Manual WIFI module implements communication with Cloud server through wireless network to monitor PV inverter s data status For more details refer to WIFI Produc...

Page 33: ...m to remove the metal plate Take RS485 cable out of accessory kit and remove the locking caps from the 485 IN and 485 OUT waterproof cable connectors Route RS485 cables through waterproof cable connectors and reserve appreciate wire length for wiring to the inverter Step 1 Step 2 Step 3 60mm 8mm Connect RS485 differential positive and negative signal of data logger to terminal 1A and 1B of inverter...

Page 34: ...ables RS485 port and Ethernet port NOTE 5 4 3 Setting RS485 Communications Address Figure 5 20 QR Code for downloading SE Touch APP Step 1 Input http www senergytec com in your mobile phone browser and click APP to download SE Touch which is also available by scanning below QR code And then login SE Touch and register an account for your inverter Step 2 Click the Extension key and select Setting i...

Page 35: ...heck there is no open circuit or short circuits at AC and DC terminals using multimeter 6 Waterproof connectors at AC terminals and RS485 ports are plugged with waterproof plugs tightly 7 Covers at AC terminals are tightened 8 Idle terminals are sealed 9 All safety warning symbols are intact and complete on the inverter Table 5 4 Self check items after installation Step 3 Check the Modbus address ...

Page 36: ...y the inverter has entered grid connecting it means the inverter is operating well Any query during operating the PV inverter call your dealer 6 2 Powering OFF the Inverter Step 1 Switch off the circuit breaker at AC terminal Step 2 Set the DC SWITCH to OFF After the inverter powers off the remaining electricity and heat may still cause electrical shock and body burns Please only begin servicing t...

Page 37: ...tion on blink COM Indicator Communications data transmission is underway No external communications is connected or no communications data transmission off blink Warning Indicator Refer LED status in warning table No warning off on blink Grid Indicator Power grid abnormal and can t meet the requirements for inverter grid connecting to generate power When grid on the blink every cycle last 30s of G...

Page 38: ...frequency of power grid is in normal range the icon keeps on or else it blinks when there is no voltage the icon will be off 3 Date When external communications is normal and time zone is set correctly the built in clock of inverter will be synchronized with server s time 4 Status Icon stands for PV strings when inverter is standby status MPPT voltage of the PV string will be displayed in Meter zo...

Page 39: ...tails refer to Table 7 1 LED indicator status View and Set Inverter running data The inverter operation data can be obtained from SE Touch mobile phone APP downloaded through Bluetooth communications For more details refer to SE Touch Manual You can view set data through the inverter APP SE Touch For details about operation refer to SE Touch User Manual SE Touch User Manual is available for free f...

Page 40: ...as current abnormal Inverter relay abnormal Leakage current HCT abnormal System fault DC link voltage unbalance DC link over voltage Internal Communications Fault Software version incompatibility EEPROM fault Sampling inconsistency Invert circuit abnormal Boost circuit abnormal Note means light ON light off blink keep original status A2 A3 A4 A6 B0 B4 B5 B3 C5 C8 B1 B2 B7 C0 C2 C3 C6 C7 C9 CA CB C...

Page 41: ...lockage Clean periodically the heat sink WARNING 8 1 Routine Maintenance Check Item Check Content Maintenance Interval Maintain content PV inverter running status Check that the inverter is not damaged or deformed Check for normal sound emitted during inverter operation Check and ensure that all inverter communications is running well If there is any abnormal phenomenon replace the relevant parts ...

Page 42: ...h APP 3 If the alarm persists for a long time check whether the AC circuit breaker AC terminals is disconnected or not or if the grid has a power outage Check the number of PV modules and adjust it if need PV Under Voltage PV modules input voltage is under the inverter s defaulted protection value 1 When sunlight intensity weakens PV modules voltage decreases No action is needed 2 If such phenomen...

Page 43: ...aging or deteriorated PV Strings Reverse The cables of PV strings are connected reversely during the inverter installation Check whether the cables of PV strings are correctly connected If they are connected reversely reconnect the cables BUS Under Voltage BUS Over Voltage Invert Module Fault BOOST Fault EEPROM Fault Abnormal internal energy control imbalance has been triggered by the PV Strings g...

Page 44: ...h tripping 1 Wait till power is restored 2 Turn DC switch to ON and if DC switch trips a lot contact your dealer If you cannot clear the preceding alarm according the measures recommended contact your dealer timely 8 3 Removing the Inverter Perform the following procedures to remove the inverter Step 1 Disconnect all cables from the inverter including communications cables DC input power cables AC...

Page 45: ... and blockage If any abnormal with the FAN please replace it PV FUSE is in built if any warning display that the FUSE is melt disconnect AC breaker and switch off DC switcher to OFF pull out all DC input strings wait at least 10 minutes after the inverter is powered off Then open panels of the inverter identify the melt FUSE using multi meter and replace them install the panels tighten the screws of...

Page 46: ...discretions provide paid service 1 The warranty period expired 2 The damage caused during transit 3 The damage caused by man 4 The damage caused by force majeure including but not restricted to the following earthquake flood fire explosion debris flow etc 5 Operation in adverse environments beyond that described in the User Manual 6 Any installation and operation environment beyond the relevant na...

Page 47: ...d its packing case are made from environmental protection material If the inverter service life has expired do NOT cut it away with household garbage dispose the inverter in accordance with local rules for disposal of electrical equipment waste 44 ...

Page 48: ...A 33 5A 35A 40A 45A 48A Current Inrush Max output current under fault conditions Rated power grid voltage Power grid voltage range Rated power grid frequency Power grid frequency range THDi DC off sets Power factor Overvoltage grade in accordance with IEC 62109 1 Topology Pollution degree Protection level Cooling Operating temperature range Relative humidity Max operating altitude Noise Dimensions...

Page 49: ...ice with specification more than 50A 400VAC 17 22KTL D3 or 63A 400VAC 25 30KTL D3 or 63A 220VAC 16 18KTL D3 on the output terminal Display Communications Safety certification Grid tied IEEE 1547 IEC 61727 IEC62116 IEC61727 NB T32004 Protection Supported Input DC switch Anti islanding protection low voltage ride through Output over current Protection Output shirt circuit protection Input reverse co...

Page 50: ......