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Summary of Contents for Senergy SE 1KTL-S1
- Page 1 1K/2K/2K5/3K/3K6-S1 3K/3K6/4K/4K6/5K/6K-D1 User Manual （Ver. 00) Shenzhen Senergy Technology Co., Ltd.
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Page 2: Table Of Contents
Contents Forward ............................4 1. Safety Precautions ........................6 1.1 Personnel Safety ........................6 1.2 The PV Inverter Protection ..................... 6 1.3 Installation Safety ........................7 1.4 Electrical Connections ......................7 1.5 Operating and Commissioning ....................7 1.6 Maintenance ........................... 8 1.7 Additional Information ...................... - Page 3 4.5 Installing a Rear Panel ......................23 4.6 Installing the Inverter ......................26 5. Electrical Connections ....................... 27 5.1 Connecting External Protection Ground (PGND) Cables ............27 5.1.1 Preparation ........................27 5.1.2 Procedure of grounding ....................28 5.2 Connecting AC Power Cables ....................29 5.2.1 Preparation ........................
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Page 4: Forward
MPPT Route Input and 3K/3K6/4K/4K6/5K/6K-D1 PV Inverter Double MPPT Routes Input, the latest generation of grid-tied PV Strings inverter (hereinafter referred to as the inverter) designed and developed by Senergy! This user manual describes the inverter in terms of its installation, electrical connections, operation, commissioning, maintenance, and troubleshooting. - Page 5 Safety symbols used in this manual, which highlight potential safety risks and important safety information, are listed as follows: Symbol Description Indicates an imminently hazardous situation which, if not correctly DANGER followed, will result in serious injury or death. Indicates a potentially hazardous situation which, if not correctly WARNING followed, could result in serious injury or death.
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Page 6: Safety Precautions
1.2 The PV Inverter Protection As soon as receiving the PV inverter, please check if it is damaged during its transportation. If yes, please contact Senergy or your dealer immediately. NOTICE a. Do not tamper with any warning signs on the inverter enclosure because these signs contain important information about safe operation. -
Page 7: Installation Safety
1.3 Installation Safety Please read the user manual carefully before installing the PV inverter; warranty or liability will be void from Senergy if damage is caused by installation faults. NOTICE a. Ensure there is no electronical connections around ports of the PV inverter before installing;... -
Page 8: Maintenance
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 unforeseen risk, contact Senergy immediately, if there is NOTICE any issue found during operation. -
Page 9: Product Overview
2. Product Overview This chapter introduces inverter and describes its functional model, network application, appearance, dimensions, working process etc. 2.1 Functional Models Function The inverter is a single-phase grid-tied PV string inverter (transformer less) that converts the DC power generated by PV strings into AC power and feeds the power into the power grid. -
Page 10: Network Application
2.2 Network Application Grid-tied PV power systems The inverter applies to grid-tied PV power systems for outdoor power stations. Typically, a grid-tied PV power system consists of PV modules, grid-tied inverters (inverter), AC distribution units (ACDUs), and low-voltage power grid, as shown in Figure 2.2. Figure 2.2 Grid-tied PV power systems 2.3 Outline and Dimensions 2.3.1 Outline... - Page 11 Figure 2.3 The Front view of 1K/2K/2.5K/3K/3.6K/ 3K/3.6K/4K/4.6K/5K/6K The amplification effect of LED indicator area is shown in Figure 2.4. Figure 2.4 The amplification effect of LED indicator Figure 2.5 The Rear view of 1K/2K/2.5K/3K/3.6K/ 3K/3.6K/4K/4.6K/5K/6K...
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Page 12: Dimensions
Figure 2.6 The Bottom view of 1K/2K/2.5K/3K/3.6K/ 3K/3.6K/4K/4.6K/5K/6K 2.3.2 Dimensions Figures 2.7 & 2.8 show the dimensions of 1K/2K/2.5K/3K/3.6K/ 3K/3.6K/4K/4.6K/5K/6K as follows: Figure 2.7 The dimension of 1K/2K/2.5K/3K/3.6K... -
Page 13: Working Process
Figure 2.8 The dimensions of 3K/3.6K/4K/4.6K/5K/6K 2.4 Working Process 2.4.1 Basic principle Description The 3K/3.6K/4K/4.6K/5K/6K receives inputs from two strings of PV panel (1K/2K/2.5K/3K/3.6K receives inputs from only one sting of PV panel). Then the inputs are grouped into two independent MPPT routes inside the inverter to track the maximum power point of the PV panel. -
Page 14: Working Modes
Figure 2.10 shows the circuit diagram for the 3K/3.6K/4K/4.6K/5K/6K. 2.4.3 Working Modes Three working modes of 1K/2K/2.5K/3K/3.6K/3K/3.6K/4K/4.6K/5K/6K are shown as follows: standby, operating, and shutdown. Table 2.1 shows the conditions for the 1K/2K/3K/4K/5K/6K to switch between working modes. Table 2.1 1K/2K/2.5K/3K/3.6K/3K/3.6K/4K/4.6K/5K/6K Working modes description Modes Description Standby... -
Page 15: Storage
detecting a fault or a shutdown command. The inverter switches from shutdown mode to standby mode if receiving a Startup command or detecting that a fault is rectified. 3. Storage This chapter describes inverter storage requirements. The following storage instructions apply if the PV inverter will not be deployed immediately: >Do not unpack the inverter (put desiccant in the original box if the PV inverter is unpacked). -
Page 16: Checking The Outer Packing
4.1 Checking the Outer Packing >When receiving the goods, check that the packing materials are intact. >After unpacking, check that the deliverables are complete, intact, and consistent with your order list. >Examine the PV inverter and its fittings for damage such as scraps and cracks. If any such damage described above is found, contact the dealer immediately. -
Page 17: Identify The Pv Inverter
After checking the outer packing intact and complete, move the PV inverter to the designated installation position horizontally. Hold the handles on both sides of the 3K/ 5K, as shown in Figure 4.1. Figure 4.1 Moving the inverter >Do not place the PV inverter with its wiring terminals contacting the floor because the power ports and signal ports at the bottom of the device are not CAUTION designed to support the weight of the inverter. -
Page 18: Determining The Installation Position
Safety symbol description Electrical shock! There are residual voltages in the PV inverter. It needs 5 minutes to finish discharge. The PV inverter must not be touched when in operation. Its enclosure and heat sinks are extremely hot. Electrical shock! The part charged. Only qualified and trained electrical technicians are allowed to perform operations on the inverter. -
Page 19: Installation Environment Requirements
c. Do not install the inverter in a place where personnel are likely to come into contact with its enclosure and heat sinks because these parts are extremely hot during operation. d. Do not install the inverter in an area that stores flammable or explosive materials 4.4.2 Installation Environment Requirements a. -
Page 20: Installation Space Requirements
4.4.4 Installation Space Requirements inverter a. It is recommended that the be installed at eye level to facilitate operation and maintenance. inverter b. Reserve enough clearance around the to ensure sufficient space for installation and heat dissipation, as shown in Figure 4.3. Figure 4.3 Installation Space Requirements for inverter (unit: mm) inverter c. - Page 21 Figure 4.4 Installation along the same line (unit: mm) Figure 4.5 Installation in triangle mode (unit: mm)
- Page 22 Figure 4.6 Installation in stacked mode (unit: mm) The clearance between multiple inverters must be increased to ensure proper NOTICE heat dissipation when they are installed in a hot area. 4.1.5 Installation Mode Requirements a. Install the inverter upright or at a maximum back tilt of 15 degrees to facilitate heat dissipation, as shown in Figures 4.7 &...
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Page 23: Installing A Rear Panel
Figures 4.8 The wrong installation The wrong installation will lead to the inverter operation failure. NOTICE 4.5 Installing a Rear Panel Before installing the inverter, secure the shipped rear panel to a wall. inverter When installing the , you need to prepare the expansion bolts to install the rear panel. - Page 24 Step 2 Determine the positions for drilling holes (as shown in Figure 4.9) using the rear panel. Figure 4.9 Determine the positions for drilling holes（unit：mm) Step 3 Level the hole positions using a level, and mark the hole positions using a marker (as shown in Figure 4.10).
- Page 25 a. Drill a hole in a marked position to a depth of 60 mm using a hammer drill with a Ф10 mm bit. b. Partially tighten an expansion bolt, vertically insert it into the hole, and knock the expansion bolt completely into the hole using a rubber mallet. Figure 4.11 Drilling a hole and installing expansion bolt Step 5 Align the rear panel with the holes, insert expansion bolts into the holes through the real panel, and tighten the expansion bolts to a torque of 2-2.5 N·...
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Page 26: Installing The Inverter
4.6 Installing the Inverter Follow below procedures: Step 1 The installer to hold the handle at both sides of the inverter and then lift and stand the inverter. Step 2 Mount the inverter on the rear panel and keep them aligned with each other, as shown in Figure 4.13. -
Page 27: Electrical Connections
5. Electrical Connections Before performing any electrical connections, ensure that both DC and AC SWITCH are OFF. Otherwise, the high voltage can result in fatal DANGER injury. Grounding the PV Strings needs below prerequisites: CAUTION inverter An isolation transformer must be installed on the AC side of each Ensure that the neutral wire must be disconnected from the PGND cable. -
Page 28: Procedure Of Grounding
inverter Good grounding for the helps resist the impact of surge voltage and improve the EMI performance. Connect the PGND cable before connecting NOTE the AC power cables, DC power cables, and communications cables. 5.1.2 Procedure of grounding Step 1 Remove an appropriate length of the insulation layer from the PGND cable using a wire Stripper;... -
Page 29: Connecting Ac Power Cables
Step 4 Secure the PGND cable (done by step 1 & 2) using the ground screw and tighten the screw to a torque of 1.2 N· m using a socket wrench, as shown in Figure 5.4. Figure 5.4 Secure the PGND cable 5.2 Connecting AC Power Cables 5.2.1 Preparation The AC power cable and AC terminals have been prepared. -
Page 30: Procedure Of Connecting Ac Cables
cable An independent circuit breaker must be installed on the AC side of each inverter inverter to ensure that the can be safely disconnected from the NOTE power grid. An independent circuit breaker must be installed on the AC side of each the inverter;... -
Page 31: Connecting The Pv Strings
Figure 5.6 Connecting connector After AC wiring, route the AC connector into the AC terminal of the inverter and double check it, as shown in Figure 5.7. Figure 5.7 Connecting AC Cinnector 5.3 Connecting the PV Strings... -
Page 32: Preparation
PV Strings connection needs below prerequisites; otherwise, an electrical shock can occur. DANGER PV modules generate electric energy when exposed to sunlight and can create an electrical shock hazard. Therefore, when connecting the PV modules, shield them with opaque cloth. Before connecting DC input power cables, ensure that the voltage on the DC side is within the safe range and that the DC SWITCH on the inverter is OFF. - Page 33 PV Strings DC input cable and connectors have been prepared; Table 5.2 lists the recommended outdoor copper-core DC input cable specifications. Table 5.2 Recommended DC input cable recommended specifications Inverter model Cable Type Cross-sectional Area (mm2) Cable Outer Diameter Range Recommended Range Value...
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Page 34: Connecting Dc Input Power Cables Procedure
Figure 5.9 Negative connector compositions Positive and negative metal terminals are packed with positive and negative connectors respectively. After unpacking, keep the positive and negative NOTE ones separate to avoid confusion 5.3.2 Connecting DC input power cables Procedure Step 1 Remove an appropriate length of the insulation layer from the positive and negative power cables using a wire stripper, as shown in Figure 5.10. - Page 35 Figure 5.11 Crimping metal terminals Step 3 Insert the crimped positive and negative 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.
- Page 36 Figure 5.13 Locking a nut Step 5 Measure the voltage of every route Strings using a multimeter. Ensure that the voltage of each string is within the specified range: 600VDC and check that the polarities of the DC input power cables are correct, as shown in Figure 5.14. Figure 5.14 Checking the voltage of every PV String Step 6 Pull out the blue dustproof plugs from the ends of the DC input connectors.
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Page 37: Connecting Communications Cables
Figure 5.15 Connecting PV Strings Step 7 After connecting the PV strings, ensure that all connectors are in position by checking for resistance when a slight pull is applied. 5.4 Connecting Communications Cables You can use the following communications modes of inverter to implement communication: WIFI、GPRS、RS485, and Bluetooth. -
Page 38: Bluetooth Communication
RS485 switching Product Application Manual. You can choose and buy SE WIFI/SE GPRS_R/RS485 communication modules from Senergy. NOTE 5.4.2 Bluetooth Communication 3K/5K implements Short-range communication with mobile phone through Bluetooth, and its parameter setting and data monitoring can be done by SE Touch, an APP in mobile phone. -
Page 39: Installation Verification
SE WIFI/ SE GPRS/ SE Touch User Manual are available from http://www.senergytec.com. NOTE 5.5 Installation Verification Ensure that the inverter runs normally, and check the following items after the inverter is installed: Table 5.4 Checking items after installation 1. No other objects put on the PV inverter. 2. -
Page 40: Powering On The Inverter
If the LED enters in grid-tied status, it means the inverter is operating successfully. If there is any abnormal situation, contact customer service NOTE center of Senergy timely. 6.2 Powering Off the inverter Step 1 Run a shutdown command on the inverter APP, SE Touch. -
Page 41: Viewing & Setting Data Of Inverter
Grid-tie Blinking inverter The PV Strings voltage meets requirement of the indicator grid-tied power generation Steady ON inverter is grid-tied , every cycle lasts 30s. The first （blinking seconds blinking display power size, after that the blink turns to steady on. When displays power less than 20% rated power, blink an interval of 30s;... -
Page 42: Maintenance
Step 3 Then you can see the inverter current running standard code on the settings page, if it is not, We can change the settings to AS4777.2 for Australia. 8. Maintenance Before maintaining and commissioning the PV inverter and its peripheral distribution, switch off all the charged terminals of the PV WARNING inverter, and wait at least 10 minutes after the inverter is powered off. -
Page 43: Troubleshooting
status status. PV inverter Check periodically that the heat sink is free Clean periodically Weekly cleaning from dust and blockage. the heat sink. PV inverter Check that the inverter is not damaged or there monthly running deformed. abnormal status Check for normal sound emitted during phenomenon, replace operation of the inverter. - Page 44 Grid power bureau, revise the electrical protection Fault parameters setting through SE Touch, APP on the PV Over inverter. Frequency 3. If the alarm persists for a long time, check that the AC circuit breaker/ AC terminals is disconnected, or Under that the grid has a power outage.
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Page 45: Removing The Inverter
Strings are connected reversely connected. If they are connected reversely, reconnect Reverse during inverter installation. the cables. If can NOT eraser the preceding alarm according the measures recommended, contact your dealer timely. NOTE 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 output power cables, and PGND cables, as shown in Figure 8.1. -
Page 46: Liability Waiver
3) The defective/damaged PV inverter replaced must be returned to Senergy. 9.2 Liability waiver Warranty or liability will be void if damage is caused from below operations/situations. If customer asks for maintenance service, Senergy can, at its discretions, provide paid service. 1) The warranty period expired;... -
Page 47: Technical Specifications
11. Technical Specifications Inverter Model SE 1KTL-S1 SE 2KTL-S1 SE 2K5TL-S1 SE 3KTL-S1 SE 3K6TL-S1 Efficiency Max. Efficiency 97.7% 97.7% 97.8% 97.8% 97.8% European efficiency 96.2% 96.8% 97.3% 97.3% 97.5% Input Max. input voltage 600V Rating input voltage 360V Max. input current 12.5A... - Page 48 Protection level IP65 Pollution degree Operating temperature -25 degree~60 degree range Relative humidity 0－100% Warranty 5 year Cooling Natural convection Max. operating altitude 4000m Noise <25dB Dimensions 285*336*125mm Weight 8.8KG Protection Input DC switch, Anti-islanding, protection, Output short circuit protection, Input reverse- connection protection, AC surge protection, Insulation resistance detection, RCD detection Inverter Model...
- Page 49 current Over voltage class Output Rated output power 3,000W 3,600W 4,000W 4,600W 5,000W 6,000W Max. apparent power 3,300VA 3,680VA 4,400VA 5,060VA 5,500VA 6,600VA Max. active power 3,300W 3,680W 4,400W 5,060W 5,500W 6,600W (PF=1) Max. output current 13.6A 16.0A 19.1A 22.0A 23.8A 28.6A Max.
- Page 50 Cooling Natural convection Max. operating 4000m altitude Noise <25dB Dimensions 335*426*125mm Weight 12.8KG Protection Input DC switch, Anti-islanding, protection, Output short circuit protection, Input reverse- connection protection, AC surge protection, Insulation resistance detection, RCD detection Note: 1) Sign * means Grid power voltage range can be set according to national voltage standards;...
- Page 51 Tel： (+86) 0755-85245541 Fax： (+86) 0755-85245541 Add：Room 514-515, Building A, Co-talent Creative Park, No. 2, LiuXian Road, Block 68, Xin’an Street, Bao’an District, ShenZhen, China. Postcode：518101 E-mail：service@Senergytec.com...
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