Related Manuals for Renac R3 Max Series
Summary of Contents for Renac R3 Max Series
- Page 1 C&I ON-GRID INVERTER R3 Max Series User Manual R3-100K R3-110K R3-125K...
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Page 3: Table Of Contents
Content Content About this manual ..............................4 Applicability ................................4 Target group ................................4 Symbols used ................................4 Safety ..................................4 General safety ................................4 PV Panels ..................................5 Utility Grid ................................... 5 Inverter ..................................5 Explanation of symbols .............................. 6 Introduction ................................ - Page 4 Content Safety instructions ..............................24 Terminal description ..............................25 Electrical connection overview ..........................26 Additional grounding connection ..........................27 6.4.1 Additional grounding requirements......................27 6.4.2 Connection procedure ..........................27 Opening the wiring compartment ........................... 28 AC cable connection..............................29 6.6.1 AC side requirements ..........................29 6.6.2 Requirements for OT/DT terminal .......................
- Page 5 Copyright Declaration All rights to the content of this manual are owned by RENAC Power Technology Co., Ltd. (hereinafter called as ‘RENAC Power’). Any corporation or individual should not plagiarize, partially or fully copy it, and reproduce or distribute it in any form or means without prior written permission from RENAC Power.
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Page 6: About This Manual
About this manual 1. About this manual Applicability Please read the product manual carefully before installation, operation or maintenance. This manual contains important safety instructions and installation instructions that must be followed during installation and maintenance of the equipment. 1.2 Target group The instructions in this document may only be performed by qualified persons who must have the following skills: Qualified personnel who are responsible for the installation and commissioning of the inverter. -
Page 7: Pv Panels
Safety 2.2 PV Panels PV modules will produce electrical power when exposed to sunlight and can cause a lethal voltage and an electric shock. Always keep in mind that the inverter is dual power supplied, electrical operators must wear proper personal protective •... -
Page 8: Explanation Of Symbols
3.1 Intended Usage R3 Max Series, a three-phase PV grid-connected inverter, is an integral component in the PV power system. The inverter is designed to convert the direct current power generated from the PV modules into grid-compatible AC current and feeds the AC current to the utility grid. -
Page 9: Product Introduction
100kW / 110kW / 125kW 3W+PE(default), 3W+N+PE(configurable) 3.2.2 Appearance *The image shown here is for reference only. The actual product you receive may differ. Figure 3-2 R3 Max Series appearance Name Description LED controlled HMI interface to indicate the present working state of the inverter. -
Page 10: Dimensions
DC switches, AC terminals, DC terminals, and communication terminals. Wiring area For details, refer to "6.2 Terminal Description". 3.2.3 Dimensions 965mm 355mm 37.99in 13.98in *The image shown here is for reference only. The actual product you receive may differ. Figure 3-3 R3 Max Series dimensions... -
Page 11: Led Board
Introduction 3.2.4 LED board Five LEDs are set on the board of the inverter, as shown in Fig. Figure 3-4 LED LED lamp Color LED state Meaning Green Always on Normal grid-connected operation Flicker in cycle There is power of DC or AC, but there is no grid-connected operation. -
Page 12: Dc Switch
3.2.5 DC switch The DC switch is used to disconnect the DC current safely whenever necessary. The R3 Max Series is equipped with four DC switches, each DC switch controls its corresponding DC terminals. Figure 3-5 Turn the DC switches to the ON position before restarting the inverter. -
Page 13: Technical Data
Introduction Parameter configuration The inverter provides various settable parameters. Users can set parameters via the APP to meet the requirements and optimize the performance. Communication interface The inverter is designed with standard RS485 communication interfaces. The standard RS485 communication interfaces are used to establish communication connection with monitoring devices and upload monitoring data by using communication cables. - Page 14 Introduction Model R3-100K R3-110K R3-125K String Current Monitoring Integrated DC Surge Protection Integrated (Type ll) AC Surge Protection Integrated (Type ll) AFCI Protection Optional PID Recovery Function Optional DC Switch Integrated General Data Dimensions (W * H * D) [mm] 965 * 700 * 355 Weight [kg] Display...
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Page 15: Unpacking And Storage
Unpacking and storage 4. Unpacking and storage 4.1 Unpacking Before opening the package, please check whether the packing box is complete and whether there is any damage, soaked in water; if the package is incomplete or obviously damaged, please contact the supplier. If the package is complete, please open the box to check whether the contents are complete against the material list or as shown in the figure below;... -
Page 16: Mechanical Mounting
Mechanical mounting 5. Mechanical mounting 5.1 Preparation for installation Installation tools: Tool Model Tool Model Spirit level Marker Wire stripper Rubber hammer Crimping tool Hex key Heat gun Torque screwdriver Hammer drill Multimeter (Range≥ 1100Vdc) (Drill bit: φ12, φ14) Protective tools: Tool Model Tool... -
Page 17: Carrier Requirements
Mechanical mounting Figure 5-1 Installation environment Select an optimal mounting location for safe operation, long service life, and outstanding performance. The inverter with IP66 can be installed both indoors and outdoors. Install the inverter in a place convenient for electrical connection, operation, and maintenance. ... -
Page 18: Installation Clearance Requirements
Mechanical mounting 5.5 Installation clearance requirements Reserve enough clearance around the inverter to ensure sufficient space for heat dissipation. (The fan is installed on the left and right sides of the inverter, which requires more space for maintenance. You are advised to reserve a distance of more than 300mm from the rear air outlet for better heat dissipation.) ≥... -
Page 19: Installation Tools
Mechanical mounting In case of back-to-back installation, reserve specific clearance between the two inverters. At the same time, a baffle plate needs to be added above the air inlet to prevent the hot air of the air outlet from returning, which affects the heat dissipation effect. Figure 5-7 Install the inverter at an appropriate height for ease of viewing LED indicators and operating switches. - Page 20 Mechanical mounting 2. Hoisting Transport Step1: Anchor two M10 thread lifting rings to the hangers of the inverter. Figure 5-8 Step 2: Lead the sling through the two lifting rings and fasten the tie-down strap. Step 3: Hoist the inverter, and stop to check for safety when the inverter is 100mm above the ground. Continue hoisting the device to the destination after ensuring the safety.
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Page 21: Dimensions Of Mounting-Bracket
Mechanical mounting 5.8 Dimensions of mounting-bracket Dimensions of the assembled mounting-bracket are as follows: Figure 5-10 Dimensions of mounting-bracket 5.9 PV Bracket-mounted installation 5.9.1 Preparation before mounting Item Specification Phillips screwdriver/ electric screw M4, M6 driver Marker Level Hammer drill Drill bit: φ... - Page 22 Mechanical mounting Step 2: Level the assembled mounting-bracket by using the level, and mark the positions for drilling holes on the PV bracket. Drill the holes by using a hammer drill. Figure 5-12 Step 3: Secure the mounting-bracket with bolts. Figure 5-13 Components Description...
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Page 23: Wall-Mounted Installation
Mechanical mounting Figure 5-14 Step 7: Fix the inverter with two M6×35 screws. Figure 5-15 5.10 Wall-mounted installation 5.10.1 Preparation before mounting Tools Item Specification Phillips screwdriver/ electric screw M4, M6 driver Marker Level Hammer drill Drill bit (Select according to expansion bolt specifications) Socket wrench Including 16mm socket wrench... -
Page 24: Mounting Steps
Mechanical mounting Spare parts Item Quantity Specification Source M4×10 Delivery scope Grub screw M6×35 Delivery scope Bolt assembly M10×95 (Recommended) Self-prepared 5.10.2 Mounting steps Step 1: Assemble the mounting-bracket by using the connecting bar. When the machine is mounted on the wall, the hanger connecting rod must be installed. Figure 5-16 Step 2: Level the assembled mounting-bracket by using the level, and mark the positions for drilling holes on the installation site. - Page 25 Mechanical mounting Step 4: Fix the mounting-bracket with the expansion bolts. Figure 5-19 Item Designation Description Wall Expansion bolt Fastening the bolt in the sequence of nut, spring washer, slat washer Mounting-bracket Step 5: Take out the inverter from the packing case. Step 6: Hoist the inverter to the installation position when necessary (refer to "5.7 Hoisting Transport").
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Page 26: Electrical Wiring Connection
Electrical wiring connection Step 8: Fix the inverter with screws. Figure 5-21 6. Electrical wiring connection 6.1 Safety instructions Prior to any electrical connections, keep in mind that the inverter has dual power supplies. It is mandatory for the qualified personnel to wear personal protective equipment (PPE) during the electrical work. -
Page 27: Terminal Description
Electrical wiring connection 6.2 Terminal description Wiring terminals are at the bottom of the inverter, as shown in the figure below. * Figure shown here is for reference only. The actual product you receive may differ! Figure 6-1 Wiring terminals Item Terminal Mark... -
Page 28: Electrical Connection Overview
Electrical wiring connection 6.3 Electrical connection overview Electrical connection in the PV system includes additional grounding connection, AC connection, and PV module connection. Figure 6-2 Item Designation PV module Inverter Grid Monitoring device AC circuit breaker Specification Cable Type Cable Diameter(mm) Cross-sectional area(mm²) PV cable complying with DC cable... -
Page 29: Additional Grounding Connection
Electrical wiring connection 6.4 Additional grounding connection Since the inverter is a transformer less inverter, neither the negative pole nor the positive pole of the PV module can be grounded. Otherwise, the inverter will not operate normally. Connect the additional grounding terminal to the protective grounding point before AC cable connection, PV cable connection, and communication cable connection. -
Page 30: Opening The Wiring Compartment
Electrical wiring connection Step 2: Remove the screw on the grounding terminal and fasten the cable with a screwdriver. Figure 6-4 Step 3: Apply paint to the grounding terminal to ensure corrosion resistance. The grounding screws have been anchored to the side of the inverter before delivery, and do not need to be prepared. There are two grounding terminals. -
Page 31: Ac Cable Connection
Electrical wiring connection 6.6 AC cable connection 6.6.1 AC side requirements Before connecting the inverter to the grid, ensure the grid voltage and frequency comply with requirements, for which, refer to "3.5 Technical data". Otherwise, contact the electric power company for help. Connect the inverter to the grid only after getting an approval from the local electric power company. -
Page 32: Aluminium Cable Requirements
Electrical wiring connection 6.6.3 Aluminium cable requirements If an aluminium cable is selected, use a copper to aluminium adapter terminal to avoid direct contact between the copper bar and the aluminium cable. Figure 6-7 Aluminium cable terminal connection sequence Ensure that the selected terminal can directly contact with the copper bar. If there are any problems, contact the manufacturer of terminal. - Page 33 Electrical wiring connection Step 4: Strip the protection layer and insulation layer by specific length, as described in the figure below. Figure 6-9 Step 5: Make the cable and crimp terminal. Figure 6-10 Step 6: Secure the wires to corresponding terminals. Note the terminal positions of PE wire and N wire.
- Page 34 Electrical wiring connection Figure 6-11 Ensure that the depth L of the socket used is not less than 20mm. Step 7: Gently pull the cable backwards to ensure firm connection, and fasten the swivel nut clockwise. Figure 6-12...
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Page 35: Dc Cable Connection
Electrical wiring connection 6.7 DC cable connection Electric shock! The PV module will generate lethal high voltage once exposed to sunlight. Make sure the PV module is well insulated to ground before connecting it to the inverter. There is a risk of inverter damage! The following requirements should be met. Failure to do so will void guarantee and warranty claims. -
Page 36: Connection Procedure
Electrical wiring connection Type Open circuit voltage limit Max. current for input connector R3-100K / R3-110K / R3-125K 1100V 6.7.2 Connection procedure Company provides corresponding plug connectors in the scope of delivery for quick connection of PV inputs. DC cables should be connected to the inverter via PV connectors which are included in the scope of delivery. To ensure IP66 protection, use only the supplied connector or the connector with the same ingress of protection. - Page 37 Electrical wiring connection Figure 6-15 Check the positive and negative polarity of the PV modules, and connect the PV connectors to the right terminals. Serious damages to the inverter and connector over temperature may occur. Figure 6-16 Please use approved DC cable for PV system. Cross section Cable type Range...
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Page 38: Inverter Monitoring Connection
Electrical wiring connection 2.Insert the wire into the connector cap nutand contact pin. Figure 6-18 Insert the Wire into the Connector Cap nut and contact pin 3.Crimp the contact pin to the wire using a proper wire crimper. Figure 6-19 Crimp the contact pin to the wire 4.Insert the contact pin to the top part of the connector and screw up the cap nut to the top part of the connector. -
Page 39: Meter Connections (Optional)
Electrical wiring connection Description Description 485A 485B Figure 6-22 6.8.1 Meter connections (optional) This inverter has integrated export limitation functionality. To use this function, a CT must be installed, if use the CT, please reference below picture. The CT should be fitted around the live conductor on the grid side of the main incoming consumer unit. Use the directional flow indication arrow on the CT to ensure it is fitted in the correct orientation. - Page 40 Electrical wiring connection Description Description 485 A1 485 A2 485 B1 485 B2 Figure 6-24 This communication interface can be used for RS485 communication. Please follow below figure to assemble CT connector. Figure 6-25 DRM connector RS485 Communication System Single-inverter communication system In case of a single inverter, communication cable connection requires only one RS485 cable.
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Page 41: Plc Communication Connection (Optional)
Electrical wiring connection RS485_1 Terminal definition Item Designation RS485 A1 RS485 B1 RS485 A2 RS485 B2 Multi-inverter communication system In case of multiple inverters, all the inverters can be connected via RS485 cables in the daisy chain manner. Figure 6-27 Multi-inverter communication system 6.9 PLC communication connection (optional) The inverter can be equipped with PLC communication module, the inverter can communicate with the Photovoltaic communication box provided by Company. -
Page 42: Commissioning
8.2.1 Download & Install mobile APP 1. Scan the QR code below to download Renac SEC; Android users can install the APP by downloading the APK file. Also, you can search for Renac SEC in iOS or Google Play Store, download it, and install it. -
Page 43: Registration
Bluetooth APP settings 2. Install <Renac SEC> & Enable Permissions. After installed APP on mobile phone, please set all the permissions of the APP to be enabled in the ‘’Settings’’-‘’Apps’’-‘’Permissions’’. 8.2.2 Registration 1. Make sure your phone's location permissions and Bluetooth permissions are turned on. - Page 44 Bluetooth APP settings 3. Add a new station. Add the power station page, fill in the corresponding information, and click “Submit” at the bottom to add a new power station (if you do not need to associate the installer account, you can ignore the "installer" item. Items marked with * are required.) Figure 8-4 After adding a new station, back to the home page, and the newly added power station will be shown in the station list.
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Page 45: Ble Configuration (Wifi Configuration)
Bluetooth APP settings 5. On the home page of the newly device, click "Statistics" to enter the equipment list. Production Yield Figure 8-6 8.3 BLE configuration (WIFI configuration) Before you start WIFI configuration, you need to know that the WIFI setting through Bluetooth it only supports 2.4G wireless signal. 1. - Page 46 Bluetooth APP settings 4. Open the Renac SEC, on the home page, click “Services”-“Wifi-G2”. Figure 8-8 5. BLE WIFI setting. The router’s SSID will be automatically displayed on “Wifi Setting” interface (if not, please manually type in router’s SSID or follow 1.2 to confirm the permission of APP).
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Page 47: System Decommissioning
System decommissioning 9. System decommissioning 9.1 Disconnecting the inverter Step 1: For maintenance or other service work, the inverter must be switched off. Proceed as follows to disconnect the inverter from the AC and DC power sources. Lethal voltages or damage to the inverter will follow if otherwise. -
Page 48: Disposal Of The Inverter
Troubleshooting and maintenance 9.3 Disposal of the inverter Users take the responsibility for the disposal of the inverter. Some parts and devices of the inverter, such as the capacitors, may cause environmental pollution. Do not dispose of the product together with household waste but in accordance with the disposal regulations for electronic waste applicable at the installation site. -
Page 49: Inverter System Error Type Analysis And Solution
Troubleshooting and maintenance Table 10.2 Alarm information Alarm information Alarm analysis Low speed of fan group 1 Machine alarm due to low speed of fan group 1. Low speed of fan group 2 Machine alarm due to low speed of fan group 2. Low speed of fan group 3 Machine alarm due to low speed of fan group 3. - Page 50 Troubleshooting and maintenance Problem list and solution ① . Inspect whether the input mode is correct. Error of high inversion ② . Disconnect the PV input, restart the machine several minutes later, and see if current the machine can return to normal. ③...
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Page 51: Maintenance
Troubleshooting and maintenance Problem list and solution ①. Disconnect the PV input, restart the machine, and see if the machine can return Frequency consistency error to normal. ②. If fault is not eliminated, contact the distributor. ①. Disconnect the PV input, restart the machine, and see if the machine can return Loss of auxiliary power supply to normal. -
Page 52: Routine Maintenance
Troubleshooting and maintenance 10.2.1 Routine maintenance Item Method Period Check the temperature and dust of the inverter. Clean the inverter enclosure if necessary. Six months to a year System clean Check if the air inlet and outlet are normal. Clean the air inlet (- depend on the dust contents in air.) and outlet, if necessary. - Page 53 Troubleshooting and maintenance Figure 10-1 Step 3: Press the hump of the latch hook, unplug the cable connection joint outwards. Step 4: Pull out the fan module, clean the fans with soft brush or vacuum cleaner, and replace them when necessary. Figure 10-2 Step 5: Follow the steps above to remove the fan on the other side of the inverter.
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