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Summary of Contents for Renac R3 Micro Series
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Page 2: Table Of Contents
Content 1. Introduction ............................2 1.1 Introduction..........................2 1.2 Applied designations ........................2 1.3 Important safety information ......................3 1.4 System sizing ..........................3 1.5 Product label ..........................4 2. Technical description of inverters ...................... 5 2.1 Mechanical design ........................5 2.2 Electrical system design ...................... -
Page 3: Introduction
1. Introduction 1.1 Introduction This manual describes solar inverters ： R3-4K-DT/R3-5K-DT /R3-6K-DT/R3-8K-DT/R3-10K-DT/R3-12K-DT/R3-15K-DT. These inverters are transformerless based inverter. Please read the safety instructions in this manual first. Throughout the manual it is assumed that the reader is familiar with AC and DC installations and knows the rules and regulations for electrical equipment and for connecting it to the utility AC grid. -
Page 4: Important Safety Information
The limitation depends mainly on internal and ambient temperatures. The limitation is calculated continuously and always allows the maximum possible amount of energy to be produced. Please use the tool supplied by Renac Power when dimensioning a photovoltaic system. -
Page 5: Product Label
1.5 Product label The product label provides basic information for the inverter, which is attached to the right side of the inverter. Pay special attention to the type of inverter and other specifications. -
Page 6: Technical Description Of Inverters
2. Technical description of inverters 2.1 Mechanical design Figure 2-1 shows the outline dimensions of R3-4K-DT/R3-5K-DT/ R3-6K-DT/R3-8K-DT/R3-10K-DT/R3-12K- DT/R3-15K-DT: Figure 2-1 Outline dimensions Figure 2-1 shows the electrical terminals of R3-4K-DT/R3-5K-DT/R3-6K-DT/R3-8K-DT/R3-10K-DT/R3-12K- DT/R3-15K-DT: Figure 2-1 Electrical Terminals DC Switch DC (PV terminals) I/O port Communication port AC terminal... -
Page 7: Electrical System Design
2.2 Electrical system design Figure 2-2 wiring diagram of the inverter system Please refer to chapter 3 for the detail connecting and install methods. 2.3 Technical data R3-4K R3-5K R3-6K R3-8K R3-10K R3-12K R3-15K Model DC Input Data Max. Recommended PV 5200 6500 7800... - Page 8 Input Reverse Polarity Integrated Protection Anti-island Protection Integrated Residual Current Integrated Monitoring Over-heat Protection Integrated AC Overcurrent Integrated Protection AC Short-circuit Integrated Protection AC Overvoltage Integrated Protection DC Surge Protection Integrated(Type III) AC Surge Protection Integrated(Type III) General Data Size(Width*Height*Dept 455x390 455x390x160mm 455x390x175mm...
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Page 9: Grid Codes
2.4 Grid codes National/Regional Grid Code Description Germany power Grid, meet Grid standards VDE4105-DE “VDE-AR-N-4105”. CEI0-21 Italy power Grid. AS4777 Australia power Grid. RD1699 Spain power Grid. EN50549-TR Turkey power Grid. EN50549-DK Denmark power Grid. Greece Greece power Grid. Netherland power Grid, meet Grid standards EN50549-NL “EN50438”. -
Page 10: Installation And Startup
3. Installation and startup Warning！ Before installation and maintenance, AC and DC side doesn’t carry electricity, but if DC side is just disconnected, capacitance still contains electricity, so please wait for at least 5 minutes to ensure the capacitors completely release the energy and inverter is not electrified. -
Page 11: Installation Position
3.3 Installation position The installation method and mounting location must be suitable for the inverter's weight and dimensions. Mount on a solid surface. Select a well-ventilated place sheltered from direct sun radiation. Figure 3-2 installation position In consideration of heat dissipation and convenient dismantlement, the minimum clearances around the inverter should be no less than the following value. -
Page 12: Mounting Procedure
3.4 Mounting procedure Setp1: Drill 4 Fix Ø11 holes in the wall according to the dimensions. Step2: Fix the wall mounting bracket on the wall with 4 expansion bolts in accessory bag. Setp4: Place the inverter on the wall-mounted bracket and install the fix screw. Figure 3-4 mounting the inverter... -
Page 13: Electrical Connection
3.5 Electrical connection 3.5.1 Connection to the grid (AC output) Add breaker or fuse to AC side, the specification should be more than 1.25 times of rated AC output current. The PE line of inverter should be connected to the earth, make sure the impedance of neutral wire and earth wire less than 10 ohm. - Page 14 Figure 3-7 Connect the inverter to the grid Screw waterproof coupling and Screw cap nut tightly onto the cable. 3.5.2 Connection to PV string (DC input) Before connecting PV string, make sure DC switch is turned off . Make sure PV string polarity confirms with DC connector, otherwise, it will cause damage to inverter.
- Page 15 3.5.3 Communication Please make sure the RS485 connecting cables not exceed 1000m. Communication lines must be separated from other power lines to avoid communications interference. For CEI standard, DRM S0 is the DI port, corresponding to PIN5 (GND), PIN6 (DI input port) of RJ45. COM port, PIN3:A, PIN4:B.
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Page 16: Starting The Inverter
3.6 Starting the Inverter Before turn on the inverter, please confirm: Three phase five wires (PE/L1/L2/L3/N) cable correctly connected to the inverter AC side through AC circuit breaker; The DC cable connected correctly to the inverter DC side through DC circuit breaker, please be attention to the cable connected to the two string correctly and it’s polarity;... -
Page 17: Lcd Display
4.2 LCD display Menu structure: Normal/fault Power： 中文 Language Factory setting Factory setting Vpv1： Power： English Country setting Factory setting Factory setting Ipv2： Power： VDE4105 Vac A： Factory setting Factory setting Power： 中国2 Iac A： Factory setting Power： Fac： Power： Fault code1 Fault code ... -
Page 18: Factory Setting
4.3 Factory setting Press pushbutton long in order to enter the “Factory setting” menu. Press pushbutton long to enter the “language setting” menu. Press pushbutton less than 1 sec. to the langue menu you want and Press pushbutton long to select. Press pushbutton less than 1 sec. - Page 19 The inverter will automatically run the test until the screen shows “Test end”, if the test passes, it will show “test ok”, if the test is failed, it will show “test failed”. Auto-Test from Solar Admin: Download and install “Solar Admin” on laptop. Connect inverter to laptop via RS485 port.
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Page 20: Warranty
5. Warranty The standard warranty period for the inverter is 60 months from the date of installation and no more than 66 months (5.5 years) from the date of shipment from factory. 5.1 Warranty claim procedure Please report defective device with a brief error description and SN code to our service mail or service hotline for registration. -
Page 21: Appendix A: Faq (Frequently Asked Questions)
Appendix A: FAQ (Frequently asked questions) Sometimes, the PV system does not work normally; we recommend the following solutions for average troubleshooting. This can help the technician to understand the problem and take a proper action. Fault LCD display Possible actions 1. - Page 22 P/N: 422-00023-02...
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