User Operating Manual
Contents
1. A inverter for solar eGate INVOLAR Grid Connected Photovoltaic Power Interface Model number PIUAK 240 NA User Operating Manual 4 IAYOLAR Involar Corporation Ltd This manual is an integral part of the unit Please read the instruction manual carefully before installation operation or maintenance Keep this instruction manual for future reference Version_eGate NA UL1741_20110729_1 2 Contact Information Involar Corporation Ltd 887 Zuchongzhi Road 784 407 Shanghai 201203 China Tel 86 21 50272208 Fax 86 21 50277705 Web www involar com E mail info involar com Version eGate NA UL1741 20110729 1 2 TABLE OF CONTENTS 1 READ IHIS ZN dea BEE 4 2 SAFE m Gura dA IZA e Baa 5 2 1 SYMBOLS REPLACE WORDS ON THE EQUIPMENT ON A DISPLAY OR IN MANUALS 6 8 cata a eta ee aa 9 25 SAFELY INSTRUCTIONS AND EC DIRECTIVES cedes de recon ro de a ge 9 3 FEATURES entro b biet etsi e E EP E 11 3 1 STRUCTURE OF EG AN AEE 11 3 2 Aaaa EAEAN 12 4 INSTALLATION 13 4 1 aldagaiez elan real dA 13 4 2 SYSTEM DIAGRAM kana Ete LR caw be e wate E E cies LA e UEM Cl us hte 14 4 3 NSTA UE el Side lea ella 152. Connect brown amp blue cable cores to Phases L1 amp L2 and mark accordingly No neutral connection Figure 4 2 1 System diagram 14 20110729_1 2 NA UL1741 Version eGate 4 3 Installation Procedure DU USU 150 0 0 1 383 010 1 Figure 4 3 1 Dimension of eGate Warning e eGate MUST connect to earth effectively e Please ensure proper use of tools and correct personal protective equipment PPE are worn when carrying out installation Caution Installation of power supply cable and CAN Bus Ethernet cables must be separate from each other Do not place these cables on the same containment 15 Version eGate NA UL1741 20110729 1 2 Installation Diagram See below Figure 4 3 2 o Tm TT v d D 1 Figure 4 3 2 Installation Diagram 1 Mounting brackets 2 CAN Bus cable entry 3 Ethernet cable entry 4 AC cable to PV array 5 AC cable to grid Table 4 3 3 AC Input Terminal Green Yellow PE Pin1 Green Yellow Blue N Pin2 Blue Brown L f Pin3 Brown For split phase installations please connect brown amp blue conductors to Ph1 amp Ph2 and mark accordingly NOTE 16 Version eGate NA UL1741 20110729 1 2 Diagram 4 3 3 AC Connections Step1 Mount eGate cabinet to the wall or a fixed structure Step 2 Connect the extension cable from the micro inverters to the input socket
3. Measurement of insulation resistance Measurement of earth resistance HO KR e Mounting structures Verify tightness and integrity of bolts and other fastening devices Verify if there is any significant corrosion 24 Version eGate NA UL1741 20110729 1 2 Disconnecting the eGate from the system To ensure safe disconnection of the eGate from the solar power plant it must NOT be carried out under load conditions Ensure the following disconnection steps are carried out in the order shown Isolate the DC source with an opaque cover ensuring no power is being produced Disconnect the AC cable by isolating the branch via the circuit breaker at the distribution board Disconnect the AC cable from micro inverter in the branch circuit Ensure the LED inside of eGate is off Disconnect the Ethernet and CAN bus cable if installed O Ui KR W N bek Remove the eGate from the system Version eGate NA UL1741 20110729 1 2 22 6 Monitoring and Troubleshooting and Maintenance No user serviceable parts inside before servicing and in the event of internal malfunction the unit send the eGate to authorized representative or manufacturer Never operate this product and change any part of eGate yourself Only competent personnel WHO ARE FAMILIAR WITH THE REQUIREMENTS OF SAFETY are allowed to perform servicing and maintenance work 6 1 Safety checks Safety checks should be performed at least every 12 months by
4. 5 Lgart B aA 19 5 1 NVORKING ueta 19 3 2 GhIDSEONNEGTIONU Laid MeL EIL S IE rE ane CREE IE unn 20 5 3 Na o ann TA Lc dU EM RE EAM e ES 20 5 4 INSTAUEATION GHECKLIST reso tu deua nanna maan ansa aan 21 5 5 STARS SE ede ear 21 6 MONITORING AND TROUBLESHOOTING AND 23 6 1 ey das EOS RN T TEE Tm 23 6 2 IVPAINTAINCPERIODICAEDY So datos diate Gh i nan dore ei Ee 23 6 3 EGATE STATUS LED INDICATIONS AND ERROR REPORTING assa 24 6 4 INTERNED Basar 25 APPENDIX Wine hihi Mr i ee 31 6 5 IE Ip ssh dr ERE Tm 31 6 6 EC DECLARATION OF re iem eR a P ee eo pei ada 32 3 Version_eGate NA UL1741_ 20110729 1 2 1 Read This First Involar s new product eGate acts as the power interface PI to the utility grid It is a separate device installed at the coupling point to the utility grid to provide the safety functions such as over under voltage over under frequency active anti islanding as well as lightning protection It uses line impedance stabilizing network LISN and modular design capability The data of real time performance information of energy harvest for all Involar micro inverters is collected by the eGates built in Energy Terminal Unit ETU and is transmitted to Involar Solar Energy Data Acquisition System SEDAS via the internet for monitoring This user manual includes eGate ov
5. continuously Over current Voltage disable Frequency disable Island effect Flashing green Normal mode continuously The power generation of micro inverter is ok but the communication is no good At night or no AC input power from micro inverter MAC250 module disable in the PV system Power generation and communication is OK Table 6 3 1 Status LED Indications and Error Reporting WARNING WARNING Version eGate NA UL1741 20110729 1 2 e aware that only qualified personnel should troubleshoot the INVOLAR Micro Inverter or the eGate e Never disconnect the DC wire connectors under load Ensure that no current is flowing in the DC wires prior to disconnecting 24 6 4 Internet WEB Introduction Use The SEDAS Solar Energy Data Acquisition System developed by Involar to real time track the statistics information of the energy harvest for all Involar Micro inverter system and monitor per module s performance which is integrated into the Involar Micro inverter system User Registration Registration Page http v3 involar com 7001 Select Language then click Register and enter details Login with Involar provided user name and password User Login Login Page http v3 involar com 7001 Select the language of your preference Upon logging in the following is shown Language Select INVOLAR E U Solar Energy Data Acquisition System Login Username Password Fo
6. of the eGate marked PV ARRAY Step 3 Connect the extension cable with one bare end for grid point connection to the output socket marked Step 4 Connect eGate to the router via Ethernet port using cable provided Step5 optional Connect the CAN bus terminal of eGate to other eGate units for data transmission Line up the connectors correctly and push together To release use a terminal screwdriver to push and release clip then pull apart 17 Version eGate NA UL1741 20110729 1 2 Grounding Figure 4 3 4 Figure 4 3 5 Figure 4 3 6 The eGate has an internal grounding terminal see figure 4 3 4 above Grounding of the eGate unit is achieved via the internal earthing conductor of the AC cable from the grid When making final connection to the grid ensure the earthing conductor green yellow of the extension cable provided is connected to the grounding terminal of the distribution board Version eGate NA UL1741 20110729 1 2 18 5 Operating Status INVOLAR s new product eGate acts as the power interface PI to the utility grid It is a separate device installed at the coupling point to the utility grid to provide the safety functions such as over under voltage over under frequency and especially active anti islanding protection as well as lightning protection and line impedance stabilizing network LISN modular design The data of real time performance information of energy harvest for all INVO
7. system design CAUTION The device is intended for fixed installation Located on a part that is not removable without shutdown to the operation of the unit WARNING Risk of electric shock Do not open cover No user serviceable parts inside Servicing limited to qualified service personnel WARNING This device is not provided with a GFDI device This interface unit must be used with an external GFDI device as required by article 690 of the National Electrical Code for the Installation location WARNING The printed circuit boards contain components sensitive to electrostatic discharge Wear a grounding wrist band when handling the boards Do not touch the boards unnecessarily WARNING Do not operate any device which is damaged lacking parts or dented Failure to observe this warning may result in an electric shock injury fire or accident WARNING Before installing the unit make sure the local Distribution Network Operator is completely informed about all the components and system specification of the full system being installed The installation should only commence if there is a written permission to install the designated components WARNING IMPORTANT the input AC voltage of the INVOLAR eGate shall not exceed the rated voltage higher voltage may cause permanent damage to the device It contains no user serviceable and INVOLAR eGate Warranty parts CAUTION SAVE THESE INSTRUCTIONS This manual contains impor
8. Indicates that the device accessories and the packaging must not be disposed as unsorted municipal waste and must be collected separately at the end of the usage Please follow Local Ordinances or Regulations for disposal or contact an authorized representative of the manufacturer for information concerning the decommissioning of equipment Direct current Alternating current Protective conductor Earth ground TERMINAL Protective Conductor Terminal Version eGate NA UL1741 20110729 1 2 Service Personnel Version eGate NA UL1741 20110729 1 2 Refer to the operating instructions Caution risk of electric shock CE mark is attached to the solar eGate to verify that the unit follows the provisions of the European Low Voltage and EMC Directives positive all positive connections shall be made with Red insulated wires DC terminal indicating the polarity of the connections negative all negative connections with black insulated Power conversion equipment refers to our DC AC inverter A person having appropriate technical training and experience necessary to be aware of hazards to which that person may be exposed in performing a task and of measures to minimize the risks to that person or other persons Qualified personnel Competent person Closed Electrical Operating Area Version eGate NA UL1741 20110729 1 2 Persons adequately advised or supervised by an electrically skilled person to enable him or her to per
9. LAR micro inverter systems can be collected by eGate and be transmitted to INVOLAR Solar Energy Data Acquisition System to achieve a global data monitoring for PV power plant It realizes the connection between solar power plant and internet As an intelligent communication gateway eGate uses INVOLAR s Power Line Communication PLC technology to continuously monitor the data of energy harvest of solar power plant such as power voltage current and frequency it can also transmit the real time data of energy harvest to INVOLAR s Solar Energy Data Acquisition System SEDAS to realize the monitoring around the world 5 1 Working Mode The working modes of an INVOLAR Micro Inverter are e Start up e Active e Fault e Standby The detailed working mode descriptions are as below Start up Start up mode is for a newly installed eGate This start up mode is based on the correct AC connection micro inverter Ethernet and or Can bus cables connecting Active When the eGate is in normal operation process this insures that the power available from micro inverter array is exported to the utility grid The LED inside of eGate will flash in green Fault If the system does not operate correctly INVOLAR eGate will stop automatically and enter into Disable mode The INVOLAR eGate system keeps detecting the fault information it shall remain in disable mode until the fault has cleared Once the fault has been repaired the eGate shall start up
10. a competent person who has adequate training knowledge and practical experience to perform these checks The data should be recorded in an equipment log If the device is not functioning properly or fails any of the tests the device has to be repaired For safety check details refer to this manual section 3 Safety instruction and EC Directives 6 2 Maintain periodically Only competent qualified person to perform the following works During the lifetime of the eGate the manage person shall examine and maintain the machine regularly The operations are as follow 1 Check the SEDAS Solar Energy Data Acquisition System website if the indicators the eGates are in normal state This check should be performed at least every 6 months 2 Check if the input and output wires are damaged or aged This check should be performed at least every 6 months 3 Check for dust or debris If a build up of dust or debris occurs inside the eGate then lightly brush or vacuum the unit to remove dust particles which may cause the components to overheat 23 Version eGate NA UL1741 20110729 1 2 63 eGate Status LED Indications and Error Reporting eGate has an inside LED to indicate the status of the eGate The following table 7 3 1 is the LED indications and error report LED Operation Working Mode 2 short yellow blinks Start up Producing power and not koe communicating with 3 short yellow blinks Standby begi bo Module Disable
11. and match to the electrical utility grid the whole system would enter operation mode after 20 seconds to 5 minutes Be aware that only qualified personnel should maintain the INVOLAR Micro Inverter system The LED will flash in yellow communication fault or red Standby When the eGate is in operation process but keeps with low voltage and current in micro inverter side for a certain time The eGate manages transition from Active to Standby In standby mode eGate keeps detecting the energy output of each micro inverter When the output energy reaches the power generation conditions the inverter would enter into Active from the Standby state 19 Version eGate NA UL1741 20110729 1 2 e The equipment maintenance must only be carried by competent persons Maintenance personnel should be familiar with all the warnings in this manual and the proposed steps e Must be sure to disconnect the input and output power before removal of equipment for maintenance 5 2 Grid Connection The eGate system establishes grid characteristics automatically It detects and monitors the performance of each PV module through each micro inverter When the output energy reaches the power generation conditions the eGate system begin connect grid and generate electricity 5 3 Grid Disconnect If the state grid cannot match the following situations table 5 1 1 the INVOLAR Micro Inter will enter disabled mode Type Rated V
12. ariation Range Voltage 240V 211V 264V Table 5 1 1 Parameter of European state power grid Follow the installation checklist before energizing the system WARNING Connect the eGate to the electrical utility grid only after receiving prior approval from the utility company WARNING Only competent qualified personnel to connect INVOLAR eGate to the electrical utility grid 20 Version eGate NA UL1741 20110729 1 2 5 4 Installation checklist To ensure the safe operation of the devices installation and commissioning shall only be carried out by qualified personnel in full compliance with the warnings referred to in this manual Checklist Check the mechanical and electrical installation of the unit before start up Go through the checklist below together with another person Read the Safety instructions and EC directives on the previous pages of this manual before you work on the unit Mechanical Installation Check screw connections on the eGate for tightness The ambient operating conditions are allowed See Technical parameter The unit is fixed properly on a non flammable wall See Mechanical installation The cooling air will flow freely The unit is fixed tightly and support is adequate See Mechanical installation Electrical Installation Check all screws of the connection terminals in the installation system before and after the inverter for tightness The AC output voltage matches the unit nomina
13. ceive risks and to avoid hazards which electricity can create For the purpose of the safety information of this manual a qualified person is someone who is familiar with requirements for safety refrigeration system and EMC and is authorized to energize ground and tag equipment systems and circuits in accordance with established safety procedures The eGate and endues system may only be commissioned and operated by qualified personnel Decisive voltage class Room or location for electrical equipment to which access is restricted to skilled or instructed persons by the opening of a door or the removal of a barrier by the use of a key or tool and which is clearly marked by appropriate warning signs 2 Technical Competence The procedures described in this manual should be performed by a competent persons only Avoid injury Maintenance should only be undertaken by competent Read and understand owners manual before individuals who have a general knowledge of and operating this product experience with devices of this nature No repairs should ever be undertaken or attempted by anyone not having such qualifications Compliance with safety regulations is imperative for installing and configuring the system safely and correctly including using the specified cables Only competent assemblers who are familiar with requirements for safety Photovoltaic systems and EMC must install the system The assembler is respon
14. erview installation operation instruction and technical parameters To assure safe correct installation and operation please carefully read this user manual before installation and pay attention to the safety symbols affixed on the product label Version eGate NA UL1741 20110729 1 2 2 Safety Symbols Warnings and cautions indicate possible dangerous conditions that can occur if instructions are not carefully read and followed Please read the following safety symbols and important safety instructions DANGER R DANGER The DANGER symbols in this manual and on the eGate indicates a hazard with a high level of risk which if not avoided will result in death or serious injury WARNING The WARNING symbols in this manual and on the eGate indicates a hazard with a medium level of risk which if not avoided could result in death or serious injury CAUTION The CAUTION symbols in this manual and on eGate indicates a hazard with a low level of risk which if not avoided could result in minor or moderate injury NOTE The NOTE symbols in this manual indicate the important product information NOTE Version eGate NA UL1741 20110729 1 2 2 1 Symbols replace words on the equipment on a display or in manuals INVOLAR ETE Inverter jor solar No access for unauthorized personnel Caution risk of danger Symbol for the marking of electrical and electronics devices according to Directive 2002 96 EC
15. l voltage Make sure that the total micro inverter array current cannot exceed the permissible input current rating of the device The micro inverter output cable and eGate input cable s connections and their tightening torques are OK There are no tools foreign objects or dust from drilling inside the unit Unit connection box and other covers are in place The eGate output power cable and the main power connection is OK The Ethernet and Can bus more than 2 eGate connections are OK The external cords and cables are fixed tightly and strain relief clamp is provided for external accessible cords and cables Cord and cable inlets are sealed completely after cord cable installation 5 5 Start Up Checks The device has been checked at the factory and adjusted so that it can be commissioned immediately after being installed Following Section Installation checklist for your personal safety and to avoid damage the following safety checks should be performed before start by a qualified person who has adequate training knowledge and practical experience to perform these tests The data should be recorded in an equipment log If the device is not functioning properly or fails any of tests the device has to be repaired Inspect the equipment and accessories for mechanical and functional damage Inspect the safety relevant labels for legibility Inspect the fuse to verify compliance with rated current and breaking characteristics
16. r INVOLAR eGate Warranty Terms and Conditions see the appendix of this manual e WARNING SAVE THESE INSTRUCTIONS This manual contains important instructions for the PIU4K 240 NA that shall be followed during installation and maintenance of the eGate interface unit e CAUTION Be aware that only competent qualified personnel should install maintain and or replace INVOLAR eGate e CAUTION Electrical installation MUST be carried out in accordance with all relevant local standards Version eGate NA UL1741 20110729 1 2 CAUTION Compliance with the rules of correct use of tools and personal protective equipment PPE for ensuring the eGate safe installation WARNING Connection of any photovoltaic system to the electrical utility grid should only commence after receiving prior approval from the utility company The eGate must be installed in an environment suitable for its IP rating WARNING This unit is provided with fixed trip limits and shall not be aggregated above 3 68kW on a single point of common connection WARNING The output connection with AC grid shall be protected by a max 16 circuit breaker WARNING reduce the risk of fire connect only to a circuit provided with 16 amperes maximum branch circuit over current protection in accordance with the National Electrical code ANSI NFPA 70 WARNING Final circuit over current protection of the AC circuit shall be provided by others and should be suitable for
17. rgot Password v 0 Version Login v1 0 Version Login Register you do not have an account please sign up in order to use SEDAS c 2010 INVOLAR Corporation Ltd Copyright Please refer to the SEDAS User manual for the configuration process 20 Version eGate NA UL1741 20110729 1 2 Inverter solar Appendix 6 5 Limited Warranty INVOLAR provides the 5 year warranty The exact time depends on the contract due to our responsible attitudes toward customers and partners and our confidence in INVOLAR products During the warranty period if any defect in workmanship and materials of the INVOLAR micro inverters is detected customers is entitled by the warranty to ask for replacement or repairing from INVOLAR with no extra cost During the Warranty period require the product invoices and purchase date for free replacement or repairing The Limited Warranty does not cover the product which trademark is not visible The Limited Warranty does not cover following situations e Damaged by transportation e Improperly installed e Improperly operated e Improperly handled or used e Use under conditions for which the product was not designed or in an unsuitable environment e Any installation and use beyond the scope of relevant international standards e Damage cause by non normal natural environment The exact product dimensions and technical data depend on the latest released version like has the change witho
18. sible for ensuring that the end system complies with all the relevant regulations in the country where it is to be used Involar require using only genuine replacement parts manufactured or sold by Involar for all repairs or replacements Read carefully through each step in every procedure before commencing installation any exceptions may result in a failure to properly and safely complete the installation Servicing of this product in accordance with this manual should never be undertaken in the absence of proper tools test equipment and the most recent revision to this manual which is clearly and thoroughly understood 23 Safety Instructions and EC Directives This chapter contains the safety instructions that you must follow when installing operating and servicing the unit If ignored physical injury or death may follow or damage may occur to the unit Read the safety instructions before you commence work on the unit If you are unable to understand the Dangers Warnings Cautions or Instructions contact the manufacturer or an authorized service dealer before installing operating and servicing the unit ensure your personal safety and the proper use of eGate please carefully read this manual before commencing installation If the product is damaged when installation has not been carried out in compliance with this manual Involar do not accept any responsibility for any quality assurances and or other risks which may occur Fo
19. tant instructions for eGate that shall be followed during installation and maintenance 10 Version eGate NA UL1741 20110729 1 2 3 Features 3 1 Structure of eGate DEGU Involar Corporation Ltd Figure 3 1 1 Structure of eGate Key Lock PV Power Plant Input Cable Grid Output Cable Ethernet Cable Can bus Cable Communication module Q 0000 E LED ETU module Version eGate NA UL1741 20110729 1 2 11 3 2 Technical Parameters Rated input power 3 68KW Rated input voltage 240V Efficiency 99 6 Grid and Array Double Relay LN S S Lightning surge protection e e DC Injection control Yes e e High frequency line impedance stabilization Y Network LISN 12 Version eGate NAJUL1741 20110729 1 2 4 Installation 4 1 Operating Condition Operating Temperature Ambient temperature 20 C 45 Operating Humidity Air Relative Humidity lt 90 Rated Input AC240V 60Hz Version eGate NA UL1741 20110729 1 2 13 System diagram 4 2 NI Zea ba i ier o UTE UTY UU TU Ground BacklConnect to Ground e ese O O ZTO e O low MAC250 MAC250 MAC250 MAC250 MAC250 Meter lt lt Typical TNCS Arrangement Customer Distribution Board To Grid 5m Extension Cable To Grid For split phase 240V Connection
20. ut prior notice ol inverter for solar 6 6 EC Declaration of Conformity Certificate This certificate is for the INVOLAR Corporation s eGate compliance to the relevant requirements INVOLAR Corporation hereby certifies the following in reference to the above product 1 It fulfils all the safety requirements according to IEC62109 1 Safety of power converters for use in photovoltaic power systems 2 In case of power failure on the part of the power grid it shall shut down and stop outputting voltage and current 3 It fulfils the following requirements according to EN50438 Requirement for the connection of micro generators in parallel with public low voltage distribution networks a An automatic re connection to the public grid is performed provided that the grid voltage and frequency are within the range of 184 264V 20 and 15 of 230V and 49 5 Hz 50 5Hz 0 5Hz of 50Hz respectively b An immediate lt 0 2 s disconnection is performed by the inverter if the voltage or the frequency or both are not within the limits of 184 264V or 49 5 Hz 50 5Hz respectively C Reconnection time after clearance of grid failure is no less than 180 seconds 4 The total harmonic distortion of the output current THD is less than 4 002 Junyin Gu 13 01 2010 CTO INVOLAR Corporation Ltd 32
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