Fox ESS R Series User Manual

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User Manual

R Series

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Summary of Contents for Fox ESS R Series

Page 1 User Manual R Series In order to prevent improper operation before use, please read this manual carefully.
Page 2 3.4 LED Indicator Panel ........................10 3.5 Terminals of Inverter ........................11 3.6 Circuit Diagram .......................... 12 4. Technical Parameters ...........................13 4.1 DC Input/AC Output for R Series ....................13 4.2 Efficiency, Protection, and Safety ....................13 4.3 General Data ..........................14 5. Installation ............................16 5.1 Installation Safety ........................
Page 3 6.5.3 DC Wiring ........................30 6.6 Communication Device Installation ....................31 6.6.1 Communication Connector Wiring Steps ............... 31 6.6.2 Wire Sequence of the Rubber Core ................32 6.6.3 Ripple Control (Optional) ....................33 6.6.4 Monitoring Module (Optional) ..................34 6.6.5 Communication Connector Application Method ............. 34 7.
Page 4 1. Notes on This Manual 1.1 Scope of Validity This manual describes the assembly, installation, commissioning, maintenance and troubleshooting of the following model(s) of Fox ESS products: R75, R100, R110 1.2 Target Group This manual is for qualified electricians. The tasks described in this manual only can be performed by qualified electricians.
Page 5 Danger. Risk of electric shock! Danger to life due to high voltage. There is residual voltage in the inverter which needs 15 min to discharge. Wait 15 min before you open the cover. Read the manual. Product should not be disposed as household waste. This mark indicates that the product meets EU environment protection certification requirements.
Page 6  components for damage, check whether the product received is consistent with the actual product ordered, if there is a problem with the above check items, please do not install and contact Fox ESS. 2.2 Package Safety Danger! Make sure the product is free of any electrical connections before installation.
Page 7 hazards or equipment damage. Any time the inverter has been disconnected from the public network, please  be extremely cautious as some components can retain charge sufficient to create a shock hazard. Prior to touching any part of the inverter please ensure surfaces and equipment are under touch with safe temperatures and voltage potentials before proceeding.
Page 8 Ensure that the size of the grounding wire meets the requirements of the  safety regulations. The cables used in the PV power system must be of suitable size, firmly  connected and well insulated. Before connecting the DC connector to the inverter, please check the positive ...
Page 9 All repairs should be carried out using only approved spare parts, which must  be installed in accordance with their intended use and by a licensed contractor or authorized Fox ESS service representative. If the paint on the inverter enclosure falls or rusts, repair it in time. Otherwise, ...
Page 10 Description Monocrystalline silicon, polycrystalline silicon and thin-film PV strings without grounding. Inverter R Series Boost the output voltage from the inverter to a level that meets Transformer the requirements of the grid. (Optional) Utility grid The following figure shows the common grid configurations.
Page 11 3.2 Basic Features The three-phase high-performance inverters cover 75kW to 110kW, wherein R75 and R100 are integrated with 9 MPP trackers, R110 is integrated with 10 MPP trackers. The conversion efficiency is high, and the product is stable and reliable. System advantages: LED status indications ...
Page 12 Indicator Status Description At least one PV string is properly connected, and the Steady On DC input voltage of the corresponding MPPT circuit is at least 200 V. The solar inverter is in grid-tied mode. PV connection At least one PV string is properly connected, and the Blinking (1s on indicator DC input voltage of the corresponding MPPT circuit is at...
Page 13 Communication It matches with the monitoring module. Terminal Cable diameter range is 14-32mm. If the PE cable is M40 Cable Gland connected separately, pass through the spare waterproof cable head. Cable diameter range is 38-56mm. It is used for AC output M75 Cable Gland wiring.
Page 14 4. Technical Parameters 4.1 DC Input/AC Output for R Series Model R100 R110 Input(DC) Max. Input Voltage 1100V 1100V 1100V Start-up Input Voltage 250V 250V 250V Rated Input Voltage 600V 600V 600V MPPT Operating Voltage 550V-850V 550V-850V 550V-850V Range (Full Load)
Page 15 Protection DC Switch DC Reverse Polarity Protection AC Overcurrent Protection AC Short-circuit Protection DC Surge Protection Class II AC Surge Protection Class II DC Overvoltage Class II Category AC Overvoltage Class III Category PID Recovery Insulation Monitoring Residual Current Monitoring AFCI Optional PV String Current...
Page 16 AC Connection Type OT Terminal Pollution Degree Class III...
Page 17 5. Installation 5.1 Installation Safety Danger! Make sure there is no electrical connection before installation. Warning! Please install the product in a well-ventilated environment.  Ensure that the heat dissipation system or vent is not blocked.  Do not install the product in a flammable or explosive or fuming environment. ...
Page 18 Object Quantity Description Object Quantity Description Inverter M6*50 Bolt Assembly DC Connector Left Hanging Plate 36/40 (Positive*18/20, Negative*18/20) DC Pin Plug (Positive*18/20, Right Hanging Plate 36/40 Negative*18/20) Hanging Plate Communication Connection Bar Connector*1(Terminal*10) Screw-in Type Handle Ground Terminal 5mm Internal Hexagon M10*45 Bolt Assembly Wrench M10 Hexagon Nut...
Page 19 5.4.1 Environment Requirement - Installation Precaution Make sure the installation location complies with the following conditions: Not in direct sunlight.  Not in areas where highly flammable materials are stored.  Not in potential explosive areas.  The location should not be accessible to children. ...
Page 20 5.4.4 Installation Steps Tools required for installation include, but not limited to, the following recommended tools. If necessary, use other auxiliary tools on the spot. Insulating Work Safety Goggles Soundproof Earplugs Dust Mask Insulating Gloves Shoes Rubber Hammer Marker Percussion Drill (φ12) Anti-static Wrist Strap Knife Cross Screwdriver...
Page 21 Step 1: Hanging Plate Assembly Install the Inverter on a bracket or wall by means of the hanging plate. The hanging plate assembly diagram and the size of the assembled hanging plate are shown as below: 4 PCS of M4*10 Screws Hanging Plate Assembly Diagram The Size of Hanging Plate Step 2: Bracket-mounted Installation or Wall-mounted Installation...
Page 22 Method 2: Wall-mounted Installation 1. Place the assembled hanging plate at the installation site, adjust the angle with a level, and mark drilling positions. 2. Drill holes with a hammer drill (with a φ12 drill bit), clear holes, insert 4 PCS of expansion bolts (by client, M10*95 is recommended) into holes, and fix them with a rubber hammer.
Page 23 2. Install the inverter on the hanging plate, and ensure that lugs of the inverter are properly matched with slots of the hanging plate. 3. Secure the inverter with bolts. 2 PCS of M6*50 bolts...
Page 24 6. Electrical Connection 6.1 Safety Precautions Danger! Must ensure that cables are voltage-free with a measuring instrument before  proceeding electrical connection. Before electrical connections, please make sure that the inverter switch and all  switches connected to the inverter are set to "OFF", otherwise electric shock may occur! Do not close the AC circuit breaker until the electrical connection is completed.
Page 25 Item Name Item Name Mobile PV Panel Terminal Inverter Grounding Circuit Grid Breaker 6.3 Secondary Ground Connection Danger! Make sure that the grounding cable is connected reliably. Otherwise, it may cause electric shock. Warning! Since the inverter topology is non-isolated, neither the negative electrode ...
Page 26 Multiple Inverters in Parallel Connection If multiple inverters are connected in parallel to the grid, ensure that the total number of parallel inverters does not exceed 30. Otherwise please contact Fox ESS for technical solution. 6.4.2 Wiring Steps Check the grid voltage and compare with the permitted voltage range (refer to technical data).
Page 27 Cable Type Outer Diameter (mm) Conductor Sectional Area (mm L1,L2,L3, (N) Cables: 70~240; PE: S/2 (S is a AC Cable 38~56 sectional area of AC phase cable) *Please refer to local cable type and color for actual installation 1. Open the AC side wiring box with a 5mm internal hexagon wrench. Open the breaker and prevent its accidental re-close.
Page 28 4. Secure cables to the corresponding terminals with a hexagon socket wrench and a cross screwdriver, and tighten the waterproof cable heads and close the box. If the PE cable is connected separately, route the cable through the spare waterproof cable head. Recommended sleeve specification: 19mm Note!
Page 29 inverter type. Please select suitable PV modules with high reliability and quality. Open circuit voltage of the module array connected should be less than 1100V, and operating voltage should be within the MPPT voltage range. Warning! Make sure the PV array is well insulated to ground before connecting it to the ...
Page 30 cause the connector waterproof failure and reduce connector reliability. Leave at least 50 mm of slack to avoid the external force generated by the  cable bending affecting the waterproof performance. Refer to the specifications provided by the cable manufacturer for the ...
Page 31 3. Connect the DC connectors to corresponding terminals. Note! The multimeter must have a DC voltage range of at least 1100 V. If the voltage is a negative value, the DC input polarity is incorrect. Please correct the DC input polarity.
Page 32 captured in the pin plug. Crimp the pin plug with a crimping plier. 5. Route the crimped cable through the nut into the plug. When you hear a “click”, the pin plug is properly clamped in the plug. 6. Unlock the DC connector. - Use the specified wrench tool.
Page 33 Note! Communication cable cross-section not greater than 0.35mm Single Resistor Wire Crimping Note! To ensure good contact between the communication connector and the communication cable, the tube terminal connecting to communication connector shall be paired with parts supplied or parts of the same size and specification.
Page 34 Front Back Name Description ISO_GND Signal Earth RS485A RS485 communication port RS485B Reserve485A Reserved RS485 communication port Reserve485B Meter485A Meter communication port Meter485B Reserve485A Reserved RS485 communication port Reserve485B Digital Input Port1 Digital Input Port2 Digital Input Port3 Digital Input Port4 DRM0 Demand Response Mode E_STOP...
Page 35 Connection Steps: 1. Plug the monitoring device into “WiFi/4G/USB” port at the bottom of the inverter. 2. Set up the site account on the Fox ESS monitoring platform (please refer to the monitoring user manual for more details). *For monitoring module: There is SIM card in the device.
Page 36 6.6.5.2 Multiple Inverters Communication Wiring The wiring diagram is shown as below: Wire these devices in turn. The detailed wiring diagram of the smart logger and the inverter is shown as below: Note! Connect the smart logger 485A2 terminal with communication connector A terminal 8 via cable and connect the smart logger 485B2 terminal with communication connector A terminal 9 via cable.
Page 37 wiring diagram is shown as below: Connect the meteo device with the RS485 communication port or AI port of the smart logger via cable and the detailed wiring diagram is shown as below: RS485 Connection: Note! When a meteo device and multiple inverters are connected to the Smart ...
Page 38 6.6.5.3 Master Inverter & Multiple Slave Inverters Communication Wiring Note! Connect the meter terminal 24 with communication connector A terminal 6 via cable and connect the meter terminal 25 with communication connector A terminal 7 via cable. Connect communication connector A terminal 4 with communication connector B terminal 8 via cable and connect communication connector A terminal 5 with communication connector B terminal 9 via cable.
Page 39 7. Commissioning 7.1 Inspection before Commissioning Check the following items before starting the inverter: All equipment has been reliably installed.  DC switch(es) and AC circuit breaker are in the "OFF" position.  The ground cable is properly and reliably connected. ...
Page 40 Enter the following link in your browser for the APP user manual. https://www.fox-ess.com/download/upfiles/APP%20Fox%20ESS%20Cloud%20English%20User%2 0Manual.pdf...
Page 41 8. Maintenance This section contains information and procedures for solving possible problems with the Fox ESS inverters and provides you with troubleshooting tips to identify and solve most problems that can occur. 8.1 Maintenance Safety Danger! When maintaining the product, it is strictly prohibited to open the product if ...
Page 42 The inverter will reconnect to the grid after the grid is restored. 1030 AC Overcurrent If the fault recurs, please contact Fox ESS Customer Service for further assistance. Wait for the inverter to return to normal. If the fault recurs, turn off the AC and DC...
Page 43 Fault Item Statement Solution Code The inverter will reconnect to the grid after the grid is restored. If the fault recurs: 1. Measure the actual grid voltage. 2. Check that grid voltage 1051 Grid Voltage Absent frequency of each phase do not meet the grid-tied requirements, and contact the local power company for solutions.
Page 44 Fault Item Statement Solution Code Customer Service further assistance. Hardware Power Module Wait for the inverter to return to normal. 1090 Fault If the fault recurs, turn off the AC and DC side switches, wait for 10 minutes, and then 1096 Secondary Chip Fault turn on the AC and DC switches in turn to...
Page 45 Fault Item Statement Solution Code Fault If the fault recurs, turn off the AC and DC side switches, wait for 10 minutes, and then 1110 CPLD Clock Fault turn on the AC and DC switches in turn to restart the inverter. 1111 CPLD Program Version Fault If the fault still exists, please contact Fox...
Page 46 2. Reconnect the DC input and clear the arc fault through the APP to make the inverter return to normal. If the above reasons are excluded and the alarm still exists, please contact Fox ESS Customer Service for further assistance. AC Overcurrent Permanent 1154...
Page 47 AC Side Surge Protector 1188 Check the status of the SPD, and contact Alarm Fox ESS Customer Service for further DC Side Surge Protector 1189 assistance. Alarm If the ambient temperature is within the inverter operating temperature range and...
Page 48 Fault Item Statement Solution Code Check whether the RS485 communication Master-Slave Communication 1291 cables of the Master to Slave are properly Fault connected. Check whether the CT cables of the Meter 1292 Meter CT Fault are properly connected. Check whether the voltage cables of the 1293 Meter Voltage Fault Meter are properly connected.
Page 49 String 12 Abnormal Alarm damaged and replace the fuse in time. 3. If the above reasons are excluded and 1357 String 13 Abnormal Alarm the fault still exists, please contact Fox ESS 1358 String 14 Abnormal Alarm Customer Service for further assistance. 1359...
Page 50 Are the display panel and the communications cable properly connected and undamaged?  Contact Fox ESS Customer Service for further assistance. Please be prepared to describe details of your system installation and provide the model and serial number of the unit.
Page 51 is partially blocked or the gap is large. If yes, perform supplementary sealing. Check whether cables are loose. Electrical Once half a year to a year Check whether the cable is damaged, especially Connection whether the part of the cable in contact with the metal shell is cut.
Page 52 9. Decommissioning 9.1 Dismantling the Inverter Disconnect the inverter from DC Input and AC output. Wait for 15 minutes for the inverter to fully  de-energize. Disconnect communication and optional connection wirings. Remove the inverter from the  bracket. Remove the bracket if necessary. ...
Page 53 The copyright of this manual belongs to FOXESS CO., LTD. Any corporation or individual should not plagiarize, partially or fully copy (including software, etc.), and no reproduction or distribution of it in any form or by any means is permitted. All rights reserved.

This manual is also suitable for:

R75 R100 R110