SUNNY MINI CENTRAL 7000HV - User Manual
Contents
1. PV Inverter SUNNY MINI CENTRAL 7000HV User Manual SMC7OHV BEN110920 TBEN SMC7OHV Version 2 0 Co SMA Solar Technology AG Table of Contents Table of Contents 1 1 1 1 2 1 3 1 4 2 2 1 2 2 23 2 3 1 2 3 2 4 1 4 2 4 3 4 4 Z 1 7 2 User Manual Information on this Manual 5 a dae Ne 5 Target Group o 5 Additional Information 5 Symbols Used e 6 Sataty leisen 7 Appropriate Usoge 7 nn EE 8 Explanation of E 9 Symbols on the Inverter voteres hion Lote 9 Symbols n the Type Label uuu btt err PED rr prec petit eg 9 Product Overview 11 Display a 12 EE ASA As 12 Display Messages during Operation 12 Display Messages during a Disturbance 13 DC Oyervoltage 13 LED States as AA REGE pr RARE 14 Visual Check and 16 Troubleshooting 17 SIE GE 17 Measuring chonnels _ _ 18 A So e d ee 19 COMA WERT Ree hee 20 SMC7OHV BEN 1 10920 3 Table of Contents SMA Solar Technology AG 4 SMC7OHV BEN 110920 User Manual SMA Solar Technology AG Information on this Manual 1 Information on this Manual 1 1 Validity This manual applies to the following de2. Grid current Ipv DC current Is Apparent current Mode Display of the actual operating mode Pac Generated AC power PF Displacement power factor cos p Phase The phase to which the inverter is connected Power On Total number of grid connections Qac Reactive power Riso Isolation resistance of the PV plant before entering into the power distribution grid Sac Apparent power Serial Number Serial number of the inverter Vac Grid voltage Vpv PV input voltage Vpv Setpoint PV target voltage 18 SMC7OHV BEN 110920 User Manual SMA Solar Technology AG Glossary 8 Glossary AC Abbreviation for alternating current DC Abbreviation for direct current Derating A controlled reduction in performance usually dependent on component temperatures Electronic Solar Switch ESS The Electronic Solar Switch is part of the DC disconnection unit of the inverter The Electronic Solar Switch must be securely inserted into the bottom of the inverter and must only be removed by an electrically skilled person MPP Maximum Power Point Operating point of the inverter from current voltage of the PV array The actual position of the MPP changes constantly depending on the level of irradiation and cell temperature PV Abbreviation for photovoltaics SMA Power Balancer The SMA Power Balancer is a serial feature of the Sunny Mini Central The SMA Power Balancer prevents the formation of an unbalanced
3. grid predominantly in the morning and evening when irradiation is too low and after an error MPP The inverter is operating in MPP mode MPP is the standard display message when operating under normal irradiation conditions MPP Peak The inverter is operating in MPP mode above its nominal power MPP Search The inverter is calculating the MPP Off Grid The inverter is in Island mode This mode is specially design for operation in an island grid system Offset Offset adjustment of the measurement electronics Riso Measurement of the isolation resistance of the PV plant Stop Operation interrupted V Const Constant voltage operation waiting The conditions for connecting are not yet fulfilled User Manual SMC7OHV BEN 1 10920 17 Troubleshooting SMA Solar Technology AG 7 2 Measuring channels If your inverter is equipped with a communication component then numerous measuring channels and messages can be transmitted for diagnostics Measuring channel Description Balancer Displays the current operating mode of the inverter that is set to the operating parameter PowerBalancer Error Identification of the actual disturbance error E total Total amount of energy fed in Event Cnt Number of events that have occurred Fac Grid frequency h On Total operating hours h4otal Total number of operating hours in feed in operation lac
4. load gt 5 kVA in Italy gt 6 kVA during three phase grid feed in For this 3 Sunny Mini Centrals are connected via a control line to a 3 phase feed in unit Unbalanced load The unbalanced load is the difference between the power fed into the grid at the individual phase conductors In Germany this must not exceed 5 kVA In Italy the unbalanced load is restricted to 6 Varistor The varistors protect the electronics in the inverter from atmospherically coupled energy peaks such as those that can occur when lightning strikes nearby User Manual SMC7OHV BEN 1 10920 19 Contact SMA Solar Technology AG 9 Contact If you have technical problems first contact your installer The following information is required in order to provide you with the necessary assistance Inverter device type Serial number of the inverter Type and number of PV modules connected Blink code or display message of the inverter Optional equipment e g communication devices SMA Solar Technology AG Sonnenallee 1 34266 Niestetal Germany www SMA de en SMA Serviceline Inverters 49 561 9522 1499 Communication 49 561 9522 2499 Fax 49 561 9522 4699 E Mail Serviceline SMA de 20 SMC7OHV BEN 1 10920 User Manual SMA Solar Technology AG Legal Restrictions The information contained in this document is the property of SMA Solar Technology AG Publishing its content either partially or in full requires the written permission of SMA Solar Tech
5. manual provided x mark The inverter complies with the requirements of the applicable EC guidelines User Manual SMC7OHV BEN 110920 9 Safety SMA Solar Technology AG Symbol Explanation The inverter has a transformer Direct Current DC Alternating Current AC Protection rating IP65 The inverter is protected against the penetration of dust particles and against water jets from any angle RAL quality mark for solar products The inverter complies with the requirements of the German Institute for Quality Assurance and Labeling Australian mark of conformity Chinese mark of conformity a Korean mark of conformity 10 SMC7OHV BEN 110920 User Manual SMA Solar Technology AG Product Overview 3 Product Overview Position Description A Display B Enclosure lid C LEDs Green LED Operation Red LED Ground fault or varistor defective Yellow LED Error D Ventilation grid E Type label for the identification of the inverter via the serial number Serial No User Manual SMC7OHV BEN1 10920 11 Display SMA Solar Technology AG 4 Display 4 1 Operation The display shows the actual values of your plant The displayed values are updated every 5 seconds You can operate the display by tapping 1 x tap The background light switches on or the display scr
6. Visual Check and Cleaning Check the inverter and cables for any visual signs of external damage Contact your installer if you find any damage Do not perform any repair work yourself Ask your installer to check for correct inverter operation at regular intervals 16 SMC7OHV BEN 110920 User Manual SMA Solar Technology AG Troubleshooting 7 Troubleshooting 7 1 Status messages Your inverter can be in various operating modes These are displayed as status messages which can vary according to the method of communication Message Balanced Description The inverter has disconnected from the power distribution grid or is limiting its power over a 10 minute average to 5kVA The inverter is a part of a 3 phase system with 2 further inverters and equipped with the SMA Power Balancer for the avoidance of unbalanced loads Derating Overheating in the inverter The inverter reduces its output to prevent overheating To avoid unnecessary yield penalties the layout of the PV plant should be checked Please inform your installer Disturbance warning Disturbance This message occurs for safety reasons and ensures that the inverter does not connect to the power distribution grid Please inform your installer Error An error has been detected Please inform your installer grid monitoring Grid monitoring This display occurs during the start phase before the inverter is connected to the power distribution
7. ct or indirect damages arising from the use of software developed by SMA Solar Technology AG This also applies to the provision or non provision of support activities Supplied software not developed by SMA Solar Technology AG is subject to the respective licensing and liability agreements of the manufacturer SMA Factory Warranty The current guarantee conditions come enclosed with your device These are also available online at www SMA de and can be downloaded or are available on paper from the usual sales channels if required Trademarks All trademarks are recognized even if these are not marked separately Missing designations do not mean that a product or brand is not a registered trademark The Bluetooth word mark and logos are registered trademarks owned by Bluetooth SIG Inc and any use of such marks by SMA Solar Technology AG is under license SMA Solar Technology AG Sonnenallee 1 34266 Niestetal Germany Tel 49 561 9522 0 Fax 49 561 9522 100 www SMA de E Mail info SMA de 2004 to 2011 SMA Solar Technology AG All rights reserved User Manual SMC7OHV BEN 1 10920 23 SMA Solar Technology AG
8. installer immediately User Manual SMC7OHV BEN 110920 13 LED States SMA Solar Technology AG 5 LED States Status Description All LEDs are on The inverter is initializing 4 O 8 LO m O o All LEDs are off The DC input voltage at the inverter is too low for grid AO feeding 8 LO mO Green LED The inverter is feeding in to the power distribution grid 8 LO m O il Green LED is The inverter is monitoring the power distribution grid and O flashing is waiting for the DC voltage to reach a defined limit in 8 order that it can begin grid feeding 1 O Operation interrupted Power limitation in the inverter m O Red LED on A grounding error has occurred or one of the thermally N O monitored varistors on the DC input side is defective A Please inform your installer LO m O 14 SMC7OHV BEN 1 10920 User Manua SMA Solar Technology AG LED States mo E Status Description Yellow LED on The inverter has switched to the operating state a O Dauerhafte Betriebshemmung Permanent Shutdown 9 This can have several causes Please inform your installer LO m O Yellow LED The inverter displays a disturbance This can have several Q flashing causes Please inform your installer 2 LO 114 User Manual SMC7OHV BEN 1 10920 15 Visual Check and Cleaning SMA Solar Technology AG 6
9. nology AG Any internal company copying of the document for the purposes of evaluating the product or its correct implementation is allowed and does not require permission Exclusion of liability The general terms and conditions of delivery of SMA Solar Technology AG shall apply The content of these documents is continually checked and amended where necessary However discrepancies cannot be excluded No guarantee is made for the completeness of these documents The latest version is available online at www SMA de or from the usual sales channels Guarantee or liability claims for damages of any kind are excluded if they are caused by one or more of the following Damages during transportation Improper or inappropriate use of the product Operating the product in an unintended environment Operating the product whilst ignoring relevant statutory safety regulations in the deployment location Ignoring safety warnings and instructions contained in all documents relevant to the product Operating the product under incorrect safety or protection conditions Altering the product or supplied software without authority The product malfunctions due to operating attached or neighboring devices beyond statutory limit values In case of unforeseen calamity or force majeure The use of supplied software produced by SMA Solar Technology AG is subject to the following conditions SMA Solar Technology AG rejects any liability for dire
10. nsure that they do not play with the appliance CAUTION Danger of burns due to hot enclosure parts Only touch the enclosure lid and display during operation NOTICE Damage to the inverter through overvoltage the yellow LED flashes 4 times E Inform your installer immediately if the yellow LED flashes and the inverter shows the display warning IPV Overvoltage IDISCONNECT DCH 8 SMC7OHV BEN 1 10920 User Manual SMA Solar Technology AG Safety 2 3 Explanation of Symbols 2 3 1 Symbols on the Inverter Symbol ms Explanation Operation Display Ground fault or varistor defective Please inform your installer An error has occurred Inform your installer immediately You can operate the display by tapping 1 x tap The background light switches on or the display scrolls one message further 2 3 2 Symbols on the Type Label Symbol A Explanation Warning of dangerous electrical voltage The inverter operates with high voltages All work on the inverter may only be carried out by an trained electrically skilled person A Warning of hot surface The inverter can become hot during operation Avoid contact during operation Observe all documentation that accompanies the inverter The inverter must not be disposed of together with household waste Further disposal information can be found in the installation
11. olls one message further 4 2 Display Messages during Operation Upon faultfree disconnection of the inverter form the power distribution grid the remaining messages are displayed alternately after approx 1 minute Each message appears for 5 seconds and then the cycle restarts from the beginning Display message Description Energy generated on the actual day Status message MPP Actual feed in power eo Voltage of the PV array After a further 5 seconds or after tapping the actual tz values of the reactive power Qac and of the shift factor cos PF are displayed Energy produced so far E tobal Ela Total number of ae i ats Bh otal number of operating hours in feed in operation 12 SMC7OHV BEN 1 10920 User Manual SMA Solar Technology AG Display 4 3 Display Messages during a Disturbance In the event of a disturbance the inverter displays the status Disturbance and a disturbance message Please inform your installer Display message Description Energy generated on the actual day Status message Disturbance Operating state Disturbance message Measured value at the time of the disturbance Actual measured value only displayed if a measured value is responsible for the disturbance 4 4 DC Overvoltage Display message Description The DC input voltage is too high at the inverter Inform your
12. rating Principle of a PV Plant with a Sunny Mini Central Sunny Mini Central PV modules Distribution Public Grid The Sunny Mini Central may only be operated with PV arrays modules and cabling of protection class Il Do not connect any sources of energy other than PV modules to the Sunny Mini Central Do not use the Sunny Mini Central for purposes other than those described here Alternative uses modifications to the Sunny Mini Central or the installation of components not expressly recommended or sold by SMA Solar Technology AG void the warranty claims and operating licence Contact the SMA Serviceline if you need clarification regarding proper use of the inverter This manual is a part of the Sunny Mini Central Observe all of the activities described in this manual Keep this manual in a convenient place for future reference User Manual SMC7OHV BEN 110920 7 Safety SMA Solar Technology AG 2 2 Safety Instructions DANGER A Electric shock caused by high voltage in the inverter Even when no external voltage is present there can still be high voltages in the device Electrical installation repairs and modification may be carried out by qualified personnel only appliance is not to be used by children or persons with reduced physical sensor or mental capabilities or lack of experience and knowledge unless they have been given supervision or instruction Children should be supervised to e
13. vice types SMC 7000HV 11 e SMC 7000HV 11 IT 1 2 Target Group This manual is for the operator 1 3 Additional Information You will find additional information on the device specific technical data in the installation manual provided You will find additional information on special subjects e g description of the operating parameters in the download area at www SMA de en User Manual SMC7OHV BEN 1 10920 5 Information on this Manual SMA Solar Technology AG 1 4 Symbols Used The following types of safety notes and general information are used in this manual DANGER DANGER indicates a hazardous situation which if not avoided will result in death or serious injury WARNING indicates a hazardous situation which if not avoided could result in death or serious injury CAUTION Ave A CAUTION indicates a hazardous situation which if not avoided could result in minor or moderate injury NOTICE NOTICE indicates a situation that can result in property damage if not avoided e Information Information provides tips that are valuable for the optimal installation and operation of your product SMC70HV BEN110920 User Manual SMA Solar Technology AG Safety 2 Safety 2 1 Appropriate Usage The Sunny Mini Central is a PV inverter that converts the direct current of the PV array into alternating current and feed this into the power distribution grid Ope
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