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Summary of Contents for Renac R3 Micro Series
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Page 2: Table Of Contents
Contents 1. Introduction ............................... 3 1.1. Introduction ..............................3 1.2. Applied Designations ..........................3 1.3. Important Safety Information ........................4 1.4. System Sizing ............................. 4 2. Technical Description of Inverters ........................6 2.1. Mechanical design............................6 2.2. Electrical system design ..........................7 2.3. -
Page 3: Copyright Declaration
Copyright Declaration The copyright of this manual belongs to Renacpower Technology Co., Ltd.. Any corporation or individual should not plagiarize, partially copy or fully copy it (including software, etc.), and no reproduction or distribution of it in any form or by any means. All rights reserved. Renacpower reserves the right of final interpretation. -
Page 4: Introduction
1. Introduction 1.1. Introduction This manual describes solar inverters ： NAC6K-DT/NAC8K-DT/NAC10K-DT/NAC12K-DT/NAC15K-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 5: Important Safety Information
1.3. Important Safety Information Read this before installing, operating or maintaining the inverter. Before installation: Check for damage to inverter and packaging. If you are in doubt, please contact your supplier before installing the inverter. Check the voltages of the solar modules and make sure they are within the limits of the inverter specifications before connecting them to the inverter. - Page 6 Please use the tool supplied by Renacpower when dimensioning a photovoltaic system. User Manual...
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Page 7: Technical Description Of Inverters
2. Technical Description of Inverters 2.1. Mechanical design Figure 2-1 shows the outline dimensions of NAC6K-DT/NAC8K-DT/NAC10K-DT/NAC12K-DT/NAC15K-DT: Figure 2-1 Outline dimensions Figure 2-2 shows the electrical terminals of NAC6K-DT/NAC8K-DT/NAC10K-DT/NAC12K-DT/NAC15K-DT: Figure 2-2 Electrical Terminals DC Switch DC (PV terminal) Communication port AC terminal LED （running）... -
Page 8: Electrical System Design
For safety reasons, the use of a DC switch is recommended. Between the PV modules and the power modules may be mandatory in some countries. 2.2. Electrical system design Figure 2-3 wiring diagram of the inverter system Please refer to chapter 3 for the detail connecting and install methods. 2.3. - Page 9 6600 VA 8800 VA 11000 VA 13200 VA 16500 VA MAX.AC POWER 400Vac；3+N+PE，3+PE RATED AC VOLTAGE 400±20%,320~480V AC VOLTAGE RANGE 50Hz/60Hz ±5Hz AC FREQUENCY RANGE -0.8~0.8 controllable POWER FATOR Over Voltage Category 8.7Aac 11.6Aac 14.5Aac 17.4Aac 21.8Aac RATED AC CURRENT 9.6Aac 12.8Aac 16.0Aac...
- Page 10 Environment category Outdoor＆Indoor < 2000m OPERATING ALTITUDE IP65 PROTECTION DEGREE <35db @ 1 m NOISE EMISION Standard 5years WARRANTY IEC/EN62109-1/2 ,IEC/EN6000-6-1/2/3/4，NB/T32004-2013，VDE0126, VDE4105, AS/NES4777.2 ,IEC61727, Certifications IEC62116 ,NB/T32004-2013 User Manual...
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Page 11: 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 12: Installation Position
Figure 3-2 installation environment 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 13: Electrical Connection
Figure 3-4 mounting the inverter 3.5. Electrical connection 3.5.1. Connection to the grid (AC output) (1) Add breaker or fuse to AC side, the specification should be more than 1.25 times of rated AC output current. (2) 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 Connect the inverter to the grid as follows: (1) Strip off N/L1/L2/L3 cables as figure 3-5: Description Remark diameter ranges ：15-25mm protective layer length of stripped off 12mm insulate layer 50mm cross section of ac cables 6-10mm² Figure 3-5 Strip off N/L1/L2/L3 cables （2）Strip off PE cable as figure 3-6 Figure 3-6 Strip off PE cables （3）Insert AC cables through cable gland from outside, Pull the cables through and fix...
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Page 15: Connection To Pv String (Dc Input)
(4): Screw waterproof coupling and Screw cap nut tightly onto the cable. 3.5.2. Connection to PV string (DC input) (1) Before connecting PV string, make sure DC switch is turned off (2) Make sure PV string polarity confirms with DC connector, otherwise, it will cause damage to inverter (3) Make sure the maximum open circuit voltage (Voc) of each PV string does not exceed the inverter input voltage Vmax under any condition... -
Page 16: Starting The Inverter
Figure 3-9 RS485 Port Figure 3-10 RS485 in multiple series Figure 3-11 install wifi/gprs module Please refer to the module user manual in detail. 3.6. Starting the Inverter Before turn on the inverter, please confirm: a) Three phase five wires (PE/L1/L2/L3/N) cable correctly connected to the inverter AC side through AC circuit breaker;... - Page 17 b) 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; c) The unused terminals are covered. Starting the inverter: Step1: Close the DC and AC circuit breaker; Step2: If the solar panels provide enough energy, the power module will work and the LCD panel will be lit;...
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Page 18: User Interface
4. User Interface 4.1. Led and Key Figure 4-1 LED display Object Description On = Normal operation (Green LED) Flashing = Waiting, checking or starting up FAULT On = Failure, (Red LED) Flashing = Temporary failure Pressing < 1 s: Next Pushbutton Pressing >... - Page 19 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 ... E-today：...
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Page 20: Factory Setting
4.3. Factory setting 1.Press pushbutton long in order to enter the “Factory setting” menu 2.Press pushbutton long to enter the “language setting” menu 3.Press pushbutton less than 1 sec. to the langue menu you want and Press pushbutton long to select 4. -
Page 21: 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 22: Contact Information
6. Contact Information If you have any further technical questions about our products, please contact us: Renacpower Technology Co., Ltd Address: Building 6, No. 2, West Jinzhi Road, High-Tech District, Suzhou City, Jiangsu Province Email: service@renacpower.com For further information of Renacpower warranty regulation and reliability, please visit www.renacpower.com User Manual... -
Page 23: 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. LCD display Possible actions Isolation Fault 1.
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