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Summary of Contents for Autarco UX-MII-Series
- Page 1 Installation and Operation Manual Solar Inverters UX-MII-series © Autarco Group B.V. IM-S2-UX-MII-EN-V2.1...
- Page 2 This manual is an integral part of the unit. Please read the manual carefully before installation, operation or maintenance. Keep this manual for future reference. Product information is subject to change without notice. All trademarks are recognized as the property of their respective owners. © Autarco Group B.V. All rights reserved. UX-MII-series Inverters...
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Page 3: Table Of Contents
installation and operation manual 1 Table of contents 1 Introduction 1.1 Read this first 1.2 Target Audience 1.3 Product versions covered by this document 2 Preparation 2.1 Safety instructions 2.2 Package contents 2.3 Internal DC switch 2.4 Explanations of symbols on inverter 3 Product information 3.1 Overview 3.2 Product identification... - Page 4 9 Disposal 10 Troubleshooting 10.1 General 10.2 Internal component fault 10.3 Grid errors 10.4 System and design fault 11 Product specifications UX-MII-series Inverters...
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Page 5: Introduction
This manual contains important information for use during installation and maintenance of the UX-MII-series Autarco inverter. To reduce the risk of electrical shock, and to ensure the safe installation and operation of the UX-MII-series Autarco inverters, the following safety symbols appear throughout this document to indicate dangerous conditions and important safety instructions. -
Page 6: Product Versions Covered By This Document
2.3 Product versions covered by this document The main purpose of this user manual is to provide instructions and detailed procedures for installing, operating, maintaining, and troubleshooting the UX-MII-series of Autarco inverters which includes the following models: For 380/400V AC grid connection: ●... -
Page 7: Preparation
Please contact your dealer to get the information of authorized repair facilities for any maintenance or repairmen. Any unauthorized actions including modification of product functionality of any form will affect the validation of warranty service; Autarco may deny the obligation of warranty service accordingly. IM-S2-UX-MII-EN-V2.1... -
Page 8: Package Contents
3.3 Internal DC switch Please verify whether your Autarco UX-MII-series inverter is equipped with an internal DC switch. If there is an internal DC switch the product code will have an “S”. The switch can be found on the bottom of the inverter (see 3.3). -
Page 9: Product Information
4.1 Overview Autarco UX-MII-series grid tied inverters are state of the art, high efficiency, robust and reliable grid tied inverters at the best price quality ratio available. They are easy to install and carry a standard 5 year product warranty. Our rigorous quality control and testing facilities guarantee Autarco inverters meet the highest quality standards possible. -
Page 10: Product Overview
4.3 Product overview UX-MII-series Inverters... -
Page 11: Safety
installation and operation manual 4.4 Safety DANGER! Do not install the inverter near flammable or explosive items. WARNING! The installation must be performed by qualified personnel and in compliance with national and local standards and regulations. This inverter will be connected to a high voltage DC power generator and AC grid. Inappropriate installation may jeopardize the life span of the inverter. -
Page 12: Mounting Instructions
It is not recommended that the inverter is exposed to direct sunshine. ● Make sure of ample ventilation at the installation site, insufficient ventilation may reduce the performance of the electronic components inside the inverter and shorten the lifespan of the inverter. UX-MII-series Inverters... -
Page 13: Safety Clearance
installation and operation manual 4.6 Safety clearance Caution! Make sure heat sinks are out of reach of children. Observe the following minimum clearances to walls: IM-S2-UX-MII-EN-V2.1... -
Page 14: Mounting Procedure
Step 1 — The wall bracket has the dimensions below. Please ensure the positions of the holes are suitable for fitting expansion bolts. Step 2 — Mount the wall bracket onto the mounting wall with appropriate screws plugs. UX-MII-series Inverters... - Page 15 installation and operation manual Step 3 — Lower the inverter onto the bracket. The screw holes in the wall bracket should align with the raised convex on the inverter bracket. Step 4 — Fix the bottom of the inverter to the wall bracket with the M4x9mm screws: IM-S2-UX-MII-EN-V2.1...
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Page 16: Electrical Installation
NOTICE! Make sure to set the correct grid standard as part of system commissioning, see chapter 6.6. The Autarco inverter is equipped with an integrated Residual Current Protective Device (RCPD) and Residual Current Operated Monitor (RCOM). The RCOM will detect the volume of the leakage current and compare it with the expected value, if the leakage current exceeds the permitted range, the RCPD will disconnect the inverter from the AC load. - Page 17 installation and operation manual In the table below you find the recommended AC-cable. Make sure that the resistance of the cable is lower than 1.5 ohm. Strip the AC cable off for 300 mm and then strip individual strands at S2 length. S2 must be 2..3 mm longer than S1.
- Page 18 The AC connection to the electrical distribution grid must be performed only after receiving authorization from the utility that operates the grid. Always use separate fuses for consumer load. The inverters must be installed on a separate group. Use dedicated circuit breakers with load switch functionality for load switching. UX-MII-series Inverters...
- Page 19 installation and operation manual The selection of the mains circuit breaker rating depends on the wiring design (wire cross- section area), cable type, wiring method, ambient temperature, inverter current rating etc. Derating of the circuit breaker rating may be necessary due to self-heating or if exposed to heat. S2.UX60000S-MII S2.UX60000S-HV- S2.UX70000S-...
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Page 20: Dc Connections
In this case make sure to bring the current in all strings below 0.5 A before switching off the DC-switch e.g by covering one panel in all 4 strings. CAUTION! MC4 connectors are watertight IP67 but cannot be used permanently under water. Do not lay the MC4 connectors on the roof surface. UX-MII-series Inverters... -
Page 21: Commissioning And Decommissioning Sequence
installation and operation manual If any tools or parts are used in the MC4 connector assembly other than those listed in the MC4 connector manual, neither safety nor compliance with the technical data can be guaranteed. 5.3 Commissioning and Decommissioning sequence Turn ON Turn OFF 1. -
Page 22: Communication And Monitoring
6 Communication and monitoring The UX-MII inverters have two communication ports. There is one 4-Pin COM port and one 16-Pin COM port. The 4-Pin COM port is used to connect Autarco’s data logging sticks. The 16-Pin COM port is used for daisy chaining inverters, DRM connections, Logic Interface Connection and consumption meter connection. - Page 23 installation and operation manual Connection steps: 1. Lead the main cable through the locking nut and the sleeve. 2. Strip the COM wires and insert into corresponding pin terminals. Then fasten the locking screws for the pin terminals 3. Push the sleeve onto the connector ad fasten the locking nut on the end of the sleeve 4.
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Page 24: Inverter Monitoring Connection
6.1 Inverter monitoring connection Autarco can provide optional accessories such as one-to-one datalogging sticks including WiFi stick, GPRS stick and LAN stick for the monitoring of a single inverter or one-to-multiple data logging boxes including WiFi box and GPRS Box for the monitoring of multiple inverters. Please refer to the corresponding manuals for details. -
Page 25: Drm Connection / Logic Interface Connection
The RS485 cable can then be connected to a Autarco one-to-multiple datalogging box. 6.1.3 DRM Connection / Logic Interface Connection Some countries may require inverters to support demand response modes. These can be connected using pins 9 through 16 of the 16-Pin COM connector. - Page 26 Meter in Grid Meter in Load UX-MII-series Inverters...
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Page 27: Operation
installation and operation manual 7 Operation 7.1 LED indicator lights There are three LED status indicator lights at the front panel of UX-MII series inverters. The left POWER light (red) indicates power status of the inverter. The middle OPERATION light (green) indicates the operation status. The right ALARM light (yellow) indicates the alarm status. -
Page 28: Information
App_Power: %VALUE% VA Shows the apparent power generated Grid frequency Shows current frequency (Hz) of the grid F_Grid %VALUE% Hz Total Energy Shows total energy output (kWh) %VALUE% kWh This Month: %VALUE% kWh Total energy output in this month (kWh) UX-MII-series Inverters... -
Page 29: Settings
installation and operation manual Last Month: %VALUE% kWh Total energy output of last month (kWh) Today: %VALUE% kWh Total energy output in this day (kWh) Yesterday: %VALUE% kWh Total energy output of yesterday (kWh) Inverter S/N Serial ID of the inverter Export_P: %VALUE% W Shows the exported power Export_I: %VALUE% A... -
Page 30: Advanced Info
Press the ESC key to cancel and return to the previous menu. 7.5 Advanced info WARNING! Access to this section of the menu is for Autarco qualified and accredited technicians only. Unauthorized access will void the product and system warranty. -
Page 31: Advanced Settings
7.6 Advanced Settings WARNING! Access to this section of the menu is for Autarco qualified and accredited technicians only. Unauthorized access will void the product and system warranty. Screen can be scrolled through with UP/DOWN keys to see the information as per the table below. Press the ENTER key to enter a submenu. - Page 32 Press the ENTER key to execute the setting. Press the ESC key to return to the previous menu. Note: changing this value can only be done with permission by Autarco Special settings can switch off functions temporarily for testing purposes.
- Page 33 installation and operation manual LV/FRT Set IgZero_COMP. Set PI Set IgADCheckPRO Set NoSmallPulse Set VarCompensation AFCI Set STD Mode Settings are used when demand response is required by grid operators. Working Mode Set Power Rate Limit STD Mode Settings Freq Derate Set 10mins Voltage Set Power Priority Initial Settings...
- Page 34 I/V Curve Set I/V curve I/V curve scan Important Settings and Operation Autarco inverters have a built-in AFCI which can detect arc faults in a DC-circuit and shut down the inverter to avoid further damage. Default it is OFF. AFCI ON/OFF...
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Page 35: External Fan
8 Monitoring setup and system registration The instructions about monitoring setup and system registration can be found in separate manuals enclosed in the documentation that came with this Autarco system. For more information please contact your Autarco installer or refer to our website www.autarco.com. -
Page 36: Maintenance
9 Maintenance The UX-MII-series inverters do not require regular maintenance. However, impurities such as dust and dirt accumulation on the heat sink may negatively affect the inverter’s ability to dissipate heat. Any dirt or dust can be removed with a cloth or soft brunch. - Page 37 installation and operation manual 6. Disconnect the fan connector carefully and take out the fan. 7. Clean or replace the fan. Assemble the fan on the rack. Connect the electrical wire and reinstall the fan assembly. Restart the inverter. 10 Disposal To comply with European Directive 2002/96/EC on waste Electrical and Electronic Equipment and its implementation as national law, electrical equipment that has reached the end of its life must be collected separately and returned to an approved recycling facility.
- Page 38 1. Restart inverter (up to three times). 2. If error persists, contact installer Relay fault Relay_PRO 1035 Internal fault for replacement inverter. DSP_B fault DSP_B_PRO 1036 Internal fault DC injection DCInj_PRO 1037 Internal fault 12V under voltage fault 12Power_PR 1038 Internal fault UX-MII-series Inverters...
- Page 39 installation and operation manual 11.3 Grid errors Display Error Error messag Error description Action type code Over OV-G- Grid voltage exceeds the 1. Wait to see if the grid voltage returns within 1010 voltage standard set in the inverter limits. 2.
- Page 40 Check all switches for short circuit. 3. If error persists, contact Autarco for a replacement inverter. 1. Restart inverter (up to three times). 2. Call installer to: a. Check if there is any current on the...
- Page 41 installation and operation manual 12 Product specifications S2.UX60000S-MII S2.UX70000S-HV-MII S2.UX50000S-MII S2.UX60000S-MII Input Max. DC voltage (V) 1100 1100 1100 1100 MPPT voltage range (V) 180-1000 180-1000 180-1000 180-1000 Turn on voltage (V) Turn off voltage (V) # MPPT Max. DC current per MPPT (A) Max short circuit current (A) # Strings per MPPT Total number of strings...
- Page 42 Weight 53kg Installation environment Indoor or outdoor Mounting Wall bracket Operating temperature -25 to 60 range (°C) Max. relative humidity 100% (without condensation) Maximum altitude 4000m IP protection rating IP66 Isolation type Transformerless Cooling concept Intelligent redundant cooling UX-MII-series Inverters...
- Page 43 installation and operation manual Noise level (dBA) < 60 LED indicators LCD display LCD, 4 buttons Communication 1xRS485, 1x16 pin connector for meter, drm and daisy chaining interfaces Optional interfaces Wi-Fi, GPRS, LAN, 4G Standard warranty 5 years IM-S2-UX-MII-EN-V2.1...
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