Epever SPT15KTL User Manual
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Epever SPT15KTL User Manual

Epever SPT15KTL User Manual

On-grid pv inverter
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USER MANUAL
On-grid PV Inverter
SPT15KTL, SPT17KTL, SPT20KTL, SPT22KTL, SPT25KTL

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Summary of Contents for Epever SPT15KTL

  • Page 1 USER MANUAL On-grid PV Inverter SPT15KTL, SPT17KTL, SPT20KTL, SPT22KTL, SPT25KTL...

  • Page 2: Table Of Contents

    Table of Contents Important Safety Instructions ..............................1 Disclaimers ......................................5 1 General Information .................................. 6 1.1 Overview ....................................6 1.2 Naming rules ..................................7 1.3 Appearance ..................................7 1.4 System wiring diagram ..............................8 1.5 Indicators ..................................10 1.6 Electrical block diagram............................11 2 Installation Instructions ................................12 2.1 Preparations ..................................12 2.2 Procedures ..................................13...
  • Page 3 4.3 One Click Add gateways and devices .......................25 4.4 Gateway details ................................31 5 System Commissioning ................................33 5.1 Check before powering on .............................33 5.2 Inverter running ................................33 6 System Alarm and Maintenance ............................34 6.1 Faults instructions ..............................34 6.2 Alarm instructions ..............................36 6.3 Routine maintenance ..............................37 7 Technical Specifications ................................

  • Page 4: Important Safety Instructions

    Indicates a low-level hazard that, if not avoided, could result in minor or moderate injury. NOTICE Indicates an important reminder during the operation which, if ignored, may result in an equipment error alarm. Indicates recommendation for reference. Read through the user manual before any operations. Copyright © EPEVER...
  • Page 5 Ensure enough heat dissipation space for installing the inverter. Do not place flammable or  explosive objects around the inverter, or install the inverter on the heat-intolerant buildings, avoid direct sunlight. The inverter must be placed horizontally on the level floor.  Copyright © EPEVER...
  • Page 6 Touch the wiring copper busbars, terminals or internal components of the inverter that might  be live; The connection of the power cable is loose;  Screws or other parts accidentally fall into the inverter;  Incorrect operation by untrained non-professional personnel.  Copyright © EPEVER...
  • Page 7 To avoid static damage, it is recommended to wear an anti-static wristband or to avoid  unnecessary contact with the circuit board. CAUTION The safety mark, warning label and rating plate on the inverter should be clearly visible, not removed or covered. Copyright © EPEVER...

  • Page 8: Disclaimers

    Electric arc, fire, explosion and other accidents caused by failure to follow the inverter labels  or manual instructions. Unauthorized disassembly and maintenance of the inverter.  Damage caused by force majeure.  Damage occurred during transportation or loading/unloading the inverter.  Copyright © EPEVER...

  • Page 9: General Information

    Full failure detection and protection functions to ensure the reliable and stable operation.  High protection level of IP65, suitable for harsh environments such as salt spray and humidity.  Operating temperature ranging from -30℃ to 60℃ to offer a wider scope of application.  Intelligent air cooling.  Copyright © EPEVER...

  • Page 10: Naming Rules

    1.2 Naming rules SP T 20K TL Transformerless design Rated output power: 20K indicates 20,000W T indicates Three phase inverter SP (Solar Power) series 1.3 Appearance Description Description USB communication port Indicator (See 3.2 Communication connection) Copyright © EPEVER...

  • Page 11: System Wiring Diagram

    DC Switch PV input terminal (1) Remote monitoring can be realized by RS485 communication port and monitoring software. (2) Only some models are equipped with fan, please refer to the actual product appearance. 1.4 System wiring diagram Wi-Fi Copyright © EPEVER...
  • Page 12 The DC input for this inverter series must be PV panel, it is strictly prohibited to use DC source or battery for replacement, and we are not responsible for any equipment damage or personal injury caused by this! Copyright © EPEVER...

  • Page 13: Indicators

    Flashing yellow System alarm every 0.5S Alarm indicator Alarm is cleared. Solid red System fault Fault indicator Fault is cleared. Solid green Normal external communication Interrupted external Communication communication indicator Flashing green every Firmware is upgrading. 0.5S Copyright © EPEVER...

  • Page 14: Electrical Block Diagram

    1.6 Electrical block diagram MPPT1 INVR INVS Input Output Output Grid Filter INVT MPPT2 DC Switch Output Isolation Relay Copyright © EPEVER...

  • Page 15: Installation Instructions

    650mm and the upper clearance is not less than 450mm. Recommended installation The inclination angle between the inverter and the horizontal ground environments should be less than or equal to 90 degrees. When drilling holes in the wall, avoid plumbing pipelines and electrical wiring. Copyright © EPEVER...

  • Page 16: Procedures

    Step 3: Insert the expansion bolts into the Step 4: Fix the wall mounting bracket with holes. screws. Security screw Step 5: Place the inverter on the wall mounting Step 6: Tighten the inverter with the included bracket. security screws. Copyright © EPEVER...

  • Page 17: Electrical Connection

    Both the positive and negative terminals of the PV array on the inverter cannot be  grounded, otherwise the inverter failure will occur. The ground terminal on the side of the inverter must be grounded correctly.  Copyright © EPEVER...

  • Page 18: Connecting Ac Output Cable

    Product Model the copper core (mm Specifications SPT15KTL 6–12 40A/230V/3P, leakage protection, 0.1A SPT17KTL 6–12 40A/230V/3P, leakage protection, 0.1A SPT20KTL 6–12 50A/230V/3P, leakage protection, 0.1A SPT22KTL 7–14 63A/230V/3P, leakage protection, 0.1A SPT25KTL 7–14 63A/230V/3P, leakage protection, 0.1A Copyright © EPEVER...
  • Page 19 Step 3: Remove the insulation layer of 16–18mm at one end of the AC output cable. Step 4: Insert the stripped cable end to the ring terminal and crimp them tightly with crimping pliers. Step 5: Connect the ring terminal to the inverter terminal. Copyright © EPEVER...

  • Page 20: Connecting Pv

    Step 2: Remove the insulation layer of 8–10mm at one end of the PV input cable. Step 3: Install the stripped cable end to the metal PV positive/negative terminals respectively as illustrated below. 12AWG (Red) 12AWG (Black) Copyright © EPEVER...
  • Page 21 Please pay attention to the positive and negative terminals. Step 6: Use the PV assembly/disassembly tool (optional accessory) to lock the nut tightly, pull the PV cables gently to ensure the terminal is not wobbly or disconnected. Copyright © EPEVER...
  • Page 22 When installing the PV input terminals, pay attention to the positive and negative  terminals. When the terminals are connected, you can hear the “click” sound, After terminals  connection is completed, pull the PV cables gently to ensure the terminal is not wobbly or disconnected. Copyright © EPEVER...

  • Page 23: Communication Ports

    Power (5VDC/1.2A） 2/3/7/8/9 Reserved Reserved Reserved Black RS485-A1 (to transfer data with cloud platform, APP, RS485-A1 Blue PC software, display screen etc.) RS485-B1 (to transfer data with cloud platform, APP, RS485-B1 Yellow PC software, display screen etc.) Copyright © EPEVER...

  • Page 24: Com Port

    DRM0 function (If the communication impedance between pin 2 equipment and pin 3 is greater than DRM0 +12V_OUT 20kΩ or short-circuited, the inverter stops running) RS485-B Local GND.S Power supply for external monitoring communication unit 485 RS485-A +5V.S equipment communication Copyright © EPEVER...

  • Page 25: App Remote Monitoring

    End users can register a new account for free on the cell phone. Step 1: Click “Sign up now” on the initial Step 2: Enter your username, email address or login interface of the APP. mobile phone number, verification code, password and reconfirm password; check and Copyright © EPEVER...

  • Page 26: Log In

    "Login" to enter the APP main interface. Note: The App data and the WEB data are synchronized in real time, and the operations performed through the APP will also be synchronized to the WEB. Copyright © EPEVER...

  • Page 27: Reset Password

    Step 2: Enter the new password, mobile initial interface. phone number or email address, click "Verification Code", then enter the verification code received in your phone or email , click "Confirm ", and the new password is set successfully. Copyright © EPEVER...

  • Page 28: One Click Add Gateways And Devices

    Note: Items marked withmust be filled in. Items not marked withare optional. If you do not upload the site picture, it will be displayed as the default picture. Otherwise, it will be displayed as your uploaded picture. Copyright © EPEVER...
  • Page 29 USB communication port on the inverter interface to add gateways and devices under (the USB-A 3.0 WiFi module can connect this site. with the inverter directly, for other communication modules, please purchase the appropriate communication cables according to the communication port type). Copyright © EPEVER...
  • Page 30 Step 5: Enter “Gateway and Device Step 6: Select “EPEVER WiFi 2.4G USB3.0 D”, it Addition” interface, fill in the “Gateway will automatically return to the “Gateway and Device Addition” interface in Step 5. Scan the Name” (or use default name of the App), click “Access Method”...
  • Page 31 (2) For device communication ID, the default ID is 3 for inverter, 10 for UP-HI or UPower, 1 for other devices. Please fill in the actual ID value if you have modified the device communication ID. Copyright © EPEVER...
  • Page 32 Please refer to 4.4 Gateway details for more details. If the network configuration of the WiFi module has not completed and cannot establish a connection with the cloud platform, the WiFi module will not be able to go online. Copyright © EPEVER...
  • Page 33 The hotspot network name of EPEVER WIFI RJ45 A/B/C is HN_xxxxxx, and the hotspot  network name of EPEVER WIFI RJ45 D is HN_EPxxxxxx. When connecting to the hotspot of the WiFi module for the first time, the default password is 12345678.

  • Page 34: Gateway Details

    Step 13: When it is added, it will Step 14: Enter the device interface to view the automatically switch to the “Device List”, real-time device data. The default interface is click the device to view its real-time data. “ Configuration Overview”. 4.4 Gateway details Copyright © EPEVER...
  • Page 35 Click the icon to switch to displaying the password in plain text to verify the correctness. Click "Configure Gateway WiFi" to enter the network configuration process, the network configuration of the WiFi module is completed or corrected. Copyright © EPEVER...

  • Page 36: System Commissioning

    Step 3: Turn the “DC SWITCH” of the inverter to “ON”. Step 4: Check the running status of the inverter by its LED indicators. Note: Please refer to 1.5 Indicators in the manual for LED indicator status. Copyright © EPEVER...

  • Page 37: System Alarm And Maintenance

    Grid Under Voltage Fault frequency are within the specified range of the inverter. If not, please contact the manufacturer; if yes, please check if the connection between the AC circuit breaker Grid Over Frequency Fault and output cable is normal. Copyright © EPEVER...
  • Page 38 If it is still not cleared, please contact Grounding Warning the manufacturer. The PV array is misconfigured, with too many strings PV1 Over Voltage connected in series, and the open-circuit voltage is higher than the maximum operating voltage of the PV2 Over Voltage equipment. Copyright © EPEVER...

  • Page 39: Alarm Instructions

    Check whether there accumulated dust or dust on the inverter, and whether there are foreign objects blocking the Out Fan 2 Stopped fan at the fan inlet, if so, please improve the ambient ventilation and heat dissipation. Out Fan 3 Stopped Copyright © EPEVER...

  • Page 40: Routine Maintenance

    Risk of electric shock! Make sure that the power supply of the inverter is disconnected when performing the above operations, and wait for 10 minutes for the power in the capacitor to be discharged before performing the corresponding checks or operations! Copyright © EPEVER...

  • Page 41: Technical Specifications

    15A*2 15A*2 15A*2 15A*2 MPPT PV Short-circuit Current MPPT Number Maximum Number of PV Strings per MPPT AC Output Rated AC Output Power 15,000W 17,000W 20,000W 22,000W 25,000W Maximum AC Apparent 16,500VA 18,800VA 22,000VA 24,000VA 27,500VA Power Copyright © EPEVER...
  • Page 42 Intelligent cooling LED/ LED/ LED/ LED/ LED/ Display WIFI+APP WIFI+APP WIFI+APP WIFI+APP WIFI+APP Self-consumption at Night < 1W < 1W < 1W < 1W < 1W USB/RS485 USB/RS485 USB/RS485 USB/RS485 USB/RS485 Communication Port (included), (included), (included), (included), (included), Copyright © EPEVER...
  • Page 43 Ⅲ Ⅲ Surge Protection Level DCⅡ/ACⅢ DCⅡ/AC Ⅲ DCⅡ/AC Ⅲ DCⅡ/AC Ⅲ DCⅡ/AC Ⅲ (1) The frequency requirements of different countries or regions are different, please confirm before purchasing. Any changes without prior notice! Version number: V1.1 Copyright © EPEVER...
  • Page 44 HUIZHOU EPEVER TECHNOLOGY CO., LTD. +86 - 752-3889706 info@epever.com www.epever.com...

This manual is also suitable for:

Spt17ktlSpt20ktlSpt22ktlSpt25ktl

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