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Summary of Contents for NEP RSD System
- Page 1 NEP RSD System Installation Quick Guide “Quick Guide” to assist installer during installation. Prerequisites include; NEP site design review, Formal online training Rev. 8/9/23...
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Page 2: Summary Of Steps
4. Mount Gateway Hardware 12. Build New NEPViewer Site 5. Connect Homeruns 13. Commissioning and Mapping 6. Test String Voltages 7. Turn System On 8. Test System Voltages/RSD On/Off Welcome to NEP! If any questions, call NEP Hotline for Technical Support: 888-598-9901... - Page 3 northernep.com Part 1 | Hardware Example shown: PVG-2...
- Page 4 northernep.com 1: Mount PVG Option 1: Frame Mount ● Carefully remove PVG from packaging. DO NOT pull on MC4 head leads by hand, carefully cut the zip ties without damaging wiring ● Attach module frame mount to PVG Mounting Bracket ●...
- Page 5 northernep.com 1: Mount PVG Option 2: Rack Mount ● Mount PVG to rail using standard rail mounting hardware available from the racking supplier...
- Page 6 Create a s/n sticker map showing each PV Sting and the PVG devices on each string. ● Identify the transmitter code, note on s/n sticker map (eg. “5DCA”) ● This practice ensures accurate mapping of the system during the commissioning step. https://northernep.com/products/rapid-shutdown-solutions/ Serial number stickers for each PVG unit Template from NEP Website...
- Page 7 northernep.com 3: Connect PVG to Modules ● PVGs must be connected to PV modules before connecting homeruns ● When there is an odd number of modules in a string, there must be a module connected to “PV-1” and any other inputs must be shorted to itself as shown below left.
- Page 8 Some string inverters only require a 480V AC output without a neutral wire. In such cases, if the string inverter is the only power source available for PVG-M/PVG-O, installation of a step-down transformer (NEP part #NC0143-US) is necessary to lower the input voltage to the Gateway.
- Page 9 northernep.com 4: Mount Gateway and Extra Hardware Option 1: PVG-O...
- Page 10 northernep.com 4: Mount Gateway and Extra Hardware Option 2: PVG-M PVG-M Diagram with Cellular Option (if not wifi, or Ethernet) Optional transformer (if only 480Vac source to Drop to 277Vac for Gateway)
- Page 11 northernep.com 4: Mount Gateway and Extra Hardware Option 2: PVG-M PVG-M Diagram with Cellular Option (if not wifi, or Ethernet) Optional transformer (if only 480Vac source, no neutral, to drop to 277Vac for Gateway)
- Page 12 Ensure little-to-no tension at the terminals of the PVGs and the PV modules. (Implement 2” radius bends) PVG and PVG controllers use advanced signaling to eliminate crosstalk interference between adjacent systems. Separate raceways add an extra layer of signal protection, but does not affect NEP crosstalk mitigation...
- Page 13 northernep.com 6: Test String Voltages ● Plug string to test into String + and - ● Push button in ● Test Voltage across Test Port + and - ● Turn on PVG-T with red rocker switch (green LED Blinks) ● Voltage should not change ●...
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Page 14: Turn On System
northernep.com 7: Turn on System ● After all strings of the site have been tested inverters may be turned on. ● String current should be checked to confirm correct operation after commissioning. ● RSD’s must be “ON” in order to test string voltages, and the correct operation of the inverters. - Page 15 northernep.com 8: Test voltages/RSD on/off For entire system ● Test each string one by one at the inverter. This may be done while the RSD’s are connected. ● Since PVG’s are activated, string voltage should be: (Voc of PV module * # of panels in the string) ●...
- Page 16 northernep.com Part 2 | Gateway, Data, and Connectivity www.northernep.com “NEPViewer”...
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Page 17: Connect To Internet
northernep.com 9: Connect to Internet Plug in Booster near router, and connect an ethernet cable between them. Connect an ethernet cable between your router and the bottom of the BDG-256 Optional cellular is pre- configured out of the box. - Page 18 9: Connect to Internet (3 methods) 3 Methods – see details in following pages Connection via Ethernet – hard wire ethernet connection directly to bottom of NEP gateway Connection via Wifi – primary method is via the NEP wifi booster...
- Page 19 northernep.com 9: Connect to Internet (methods) Connection via Ethernet ● Make sure that the TP Dongle device is removed from the bottom of the Gateway ● Plug The ethernet cord in the bottom of the gateway and the other end into the Router...
- Page 20 northernep.com 9: Connect to Internet (methods) Connection via Wifi Booster 1.To pair the Wi-Fi Booster to the gateway both devices need to be plugged into the same outlet or within a few feet of each other. 2.The gateway must have a TP dongle (USB) installed on the bottom of the gateway unit. 3.In Settings on the gateway, go to System Config –...
- Page 21 3.Go to "Settings", "Ethernet", and check to make sure "AP mode" is now RED. 4.On the mobile device, go to "Settings", "Wi-Fi", and connect to "NEP NETWORK." Enter the following password- "12345678". 5.Launch Safari on your phone and enter the IP address "192.168.99.1/wifi" then click "go".
- Page 22 9: Connect to Internet (methods) Connection via Cellular ● Optional, pre-configured NEP cellular modem...
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Page 23: Scanning Barcodes
northernep.com 10: Scanning Barcodes Ensure gateway is in RSD mode, not Microinverter mode in “settings” ● To use the scanner, plug it into the gateway's USB port and ● navigate to the COM ID screen in the setting menu. ● Scan the barcode of the desired module into the Inverter1 cell, and repeat until all serial numbers have... -
Page 24: Create Account
11: Create Account From NEP homepage www.nothernep.com, NEPViewer link Using Internet connected PC is recommended ● If you are new to using NEP products, please visit our registration page at https://user.nepviewer.com/pv_manager/re gister.php?lang=en to create an account for yourself or your company. - Page 25 12: Build New NEPViewer Site ● Access your installer account on the NEP website using your registered email and log in to your account. ● Click on the "Add Site" button to create a new site. ● Fill out all the necessary fields in the site creator, including the serial number of the gateway, which can be found on the top-left of the gateway bezel or by navigating to Menu >...
- Page 26 northernep.com 12: Build New NEPViewer Site Client/user email Company installer, shared email address within company, generally not an individual email address. Company location, usually the installer company. Project installation location. Add all gateway S/N for this site. 3 placeholder examples are shown.
- Page 27 northernep.com 12: Build New NEPViewer Site Name the plant for unique listing in portal. Coordinates populate automatically. Plant location time-zone populates automatically.
- Page 28 northernep.com 12: Build New NEPViewer Site ● Provide a name for the site and enter its accurate coordinates to receive precise weather data on the following page ● If multiple sites with the same company, it is recommended to name them “CompanyName_xxx”...
- Page 29 northernep.com 12: Build New NEPViewer Site Select and add plant parameters. Identify module. System city location. Add image. After press ‘create’ As preferred on portal. See ‘success’ pop-up’ Plant photo or logo. Be sure to enable pop-ups. Add other ‘viewer’ email accounts. For sharing data by not admin rights.
- Page 30 northernep.com 13: Commissioning and Mapping ● Click on the site to access its information and then click on "Open Viewer." The site's production data should now be visible on the first page. Data population may take up to a few hours for the gateway and inverters to fully register with the website.
- Page 31 northernep.com 13: Commissioning and Mapping ● Verify all modules are reporting and operating normally ● You can customize and map the site layout by navigating to Layout > Manage Layout. ● From here, you can drag modules as needed and change their orientation.
- Page 32 12. Build New NEPViewer Site 5. Connect Homeruns 13. Commissioning and Mapping 6. Test String Voltages 7. Turn System On 8. Test System Voltages/RSD On/Off Congratulations! Your RSD implementation should be ready If any questions, call NEP Hotline for Technical Support: 888-598-9901 Rev. 8/9/23...
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