EnaSolar GT Series Solar Inverter Installation Manual
Contents
1. To validate the warranty for a newly installed inverter the registration must be carried out within 1 week of installation This form is to be filled out either on the EnaSolar website at www enasolar net warranty Or on the EnaSolar reporting software platform Online at http partner enasolar net Installation Manual Page 3 EnaSolar GT Series Solar Inverter Contents ADOUE TA NOTU AM T PO 3 FIO SS ANd AUdEnNGE e Tr 3 gt ing 916 USO ERIS laine 3 Important Notice to the Installer iii 3 Warranty FSC OIG IP AMION MTPE 3 See 0 NRI 6 T MIO CLG OI a ees E M 7 About the EnaSolar GT Series Solar Inverter 7 BiyigB teneir t T Understanding the Part NUMDGF cieli ia iS III ESTATI RA ATI LIL gati 8 Unpacking NS gi Ei ENTRE m t 9 VN i e g e P 11 HRSA NOD COONS reese 11 BEE TOBE ERN T 11 PIPA c 12 Location nt iels IRI BRNO 12 Wi Fi Networking Requirements 1 e ii 13 Installing the Wall mounting DOX iii2. 1 MOV ve to ve 2 MOV ve to earth 3 PV Earth Fault Fuse 4 MOV AC protection Each of the parts will be available from your EnaSolar representative and can only be replaced by a trained solar technician Figure 40 Installer Serviceable Components REMOVING THE DISPLAY MODULE Take care when removing the display module There is live DC and AC power on the wiring terminals o WARNING Risk of Electric Shock To remove the display module which also acts as the wiring compartment cover 1 Turn the AC and DC switches to the Off position 2 Remove the two captive screws on the left hand and right hand side of the cover and carefully remove the display module out for access to the connectors i Disconnect the 4 way connector the wireless coaxial connector and the earth connector 4 Carefully set aside the display module Installation Manual Page 44 EnaSolar GT Series Solar Inverter REPLACING THE DISPLAY MODULE WARNING Risk of Electric Shock Take care when replacing the display module There is live DC and AC power on the wiring terminals To replace the display module which also acts as the wiring compartment cover 1 Ensure that the AC and DC switches are in the Off position 2 Connect the 4 way connector the wireless coaxial connector and the earth connector 3 Place the cover on the wiring compartment ensuring that no cables are pinched between the wall mounting box and
3. GT Series Solar Inverter Installation Manual v1 4 NASOLAR 1 5kWGT E 2KWGT E 3kWGT E EnaSolar GT Series Solar Inverter About EnaSolar EnaSolar Limited EnaSolar is a division of Enatel Limited Enatel based in Christchurch New Zealand EnaSolar designs builds and supplies efficient cost effective sustainable and upgradeable solar inverters to the global market Trademarks EnaSolar and the EnaSolar e are both registered trademarks Notice of Copyright Copyright O 2011 EnaSolar No part of this document may be reproduced in any form or disclosed to third parties without the express written consent of EnaSolar Ltd 66 Treffers Road Christchurch 8042 New Zealand EnaSolar reserves the right to revise this document and to periodically make changes to the content hereof without obligation or organization of such revisions and changes unless required to do so by prior arrangement Exclusion for Documentation Unless specifically agreed to in writing EnaSolar makes no warranty as to the accuracy sufficiency or suitability of any technical or other information provided in its manuals or other documentation EnaSolar assumes no responsibility or liability for losses damages costs or expenses whether special direct indirect consequential or incidental which might arise out of the use of such information The use of any such information will be entirely at the user s risk Steps have been taken to maint
4. CONFIGURATION To configure a new inverter there are only a few steps required all of which are on the Setup tab in the contents table on the left side of the screen Under the Setup tab there are three pages that need to have information entered General Time and Date and Wireless Network Enter the required details for each of the following fields Installation Manual Page 27 EnaSolar GT Series Solar Inverter Inverter Name a With consultation with the site owner enter the desired name for the inverter The name can have a maximum alphanumeric character length of 20 The default name of the inverter is blank The customer can then change the inverter s name at any time in the Settings page of the web interface This name is displayed on the inverter web page If there is more than one inverter set a different name in each inverter to identify each web page oolar Settings b Setthe DC Installed Capacity to the nominal rated maximum power of the installed panels For example if twelve 175W panels are installed set the DC Installed Capacity to 2100W 12 x 175 PV Panel Earth C Some PV panels require either the positive or negative line from the panel to be referenced to earth The default setting is an isolated earth In this selection the earth reference is half of the total PV array voltage Select the required PV panel earth reference Isolated Positive earth or Negative earth Note The PV panel mounting frame
5. The Web Administrator Username and Password that are used to log into and gain access to the settings web pages can be changed using this screen consult the customer for their preference The Wireless Settings section allows the wireless settings to be changed at a lower level than the automated process on the Wireless Network page Changing the region and deselecting scan channels is not advised The default region is ETSI with all scan channels selected Click the Write button to apply these settings CNaSOLaR A Setur Advanced Network Grid Connect Settings Time and Date Other A Advanced Settings 7 Information IP Address 192 168 2 241 CT Logs Subnet Mask 255 255 255 0 Default Gateway 192 168 2 1 Primary ONS Server Se ondary DNE Server 192 168 2 1 MAC Address 00 1E C0 00 A0 4D DHCP Enable l NH o wie Default Primary DNS Serve Default Secondary DNS Server Enable WiFi Power Save Mode Web Administrator Username Admin OOO Web Administrator Password Reset Web Passwords Bl Disable Remote Monitonn Figure 28 Advanced Network Settings The grid connect settings set the parameters for the AS4777 G83 1 1 grid disconnect The inverter will disconnect if the AC mains goes lower than the minimum AC volts or greater than the maximum AC volts The inverter will also disconnect if the frequency is less than the minimum AC frequency or greater than the maximum AC frequency Installation Manual Page 35 EnaSolar GT Series Sola
6. 6m Home Lifetime 863 kWh 714h 57m Charts Average Daily Production 14 9 kWh Settings 24 Hour Graph Utilisation il 3 O of 3 0kW kw Output Power 0 54kW s Input Voltage 1 0 2oki 5 29PM 382V Output Voltage 0 0 2 4 OV 8 00AM 12 00PM 4 00PM 8 00PM 12 00AM 4 00AM Last Week Graph 18 11 19 11 20 11 21 11 22 11 23 11 24 11 Figure 23 Customer s Internal Webpage This should bring up the inverter s internal webpage If this doesn t work go to troubleshooting see page 45 Installation Manual Page 31 EnaSolar GT Series Solar Inverter 5 Using the System Chapter 5 Using the System contains instructions on how to start and stop the EnaSolar GT Series Solar Inverter and how to monitor the system in use CLOSE THE WIRING BOX To close the wiring box 1 Remove the USB cable that was connected to configure the settings 2 Place the cover on the wiring compartment ensuring that no cables are pinched between the wall mounting box and the cover 3 Tighten the two captive screws on the left hand and right hand side of the cover Front panel symbols D Generating green LED AN Fautt red LED 1 Turn the DC switch on the bottom left of the wall mounting box to the On position 2 Turn the AC switch on the bottom right of the wall mounting box to the On position WARNING Risk of Electric Shock Make sure that all AC and DC wiring is correct before starting the
7. m 28 02 2011 757 10 p m 315 AC Lost Sync 3 02 4911 7 55 19 p m 28 02 2011 755 14 p m 315 AC Lost Sync 28 02 2011 4 14 42 p m 28 02 2011 4 14 37 p m Event 302 27 02 2011 5 21 26 p m 27 02 2011 5 21 21 pm Event 302 27 02 2011 5 13 05 p m 27 02 2011 5 13 00 p m Event X2 302 27 02 2011 8 42 22 a m 27 02 2011 8 42 17 am Event 302 26 02 2011 5 32 46 pm Figure 35 Event log These are an alternative to using EnaSolar software These settings are available for user adjustment via the internal web page Once the inverter has been paired with the customers LAN WLAN router using the Installation Utility settings may be changed using the customers interface internal web page The settings web page allows user access to network and time settings The settings web page can be accessed from the main index page by following the Settings link from the main web page The settings page can also be accessed via Adhoc mode See page 43 for details Enter the web administrator user name and password when prompted The default username is Admin and password Admin1 Note Grid Connect settings cannot be changed via the web page WIRELESS SETTINGS The wireless setting can be viewed and changed on the wireless settings page To change the wireless settings enter the SSID security mode encryption type if security mode is WEP and the network key passphrase The region should be le
8. of the strings are identical i e the same number of panels in each string Strip 9mm inch of insulation from the wire s Insert the appropriate cables into the DC terminals There are two terminals for PV and PV which allow you to wire two strings of panels in parallel Installation Manual Page 16 EnaSolar GT Series Solar Inverter Figure 11 PV Wire Connections We recommend that the ve wire s from the solar array is either red or has a red sleeve attached Cable tie the DC wires to the PCB using the slot provided on the PBC Tighten the DC terminals to 1 2 1 5 Nm torque 10 6 13 3 Lb In Do not route the AC and DC cables together in the same conduit these must be kept apart using separate conduit routing CONNECTING THE PV PANEL EARTH CONDUCTOR The PV panel earthing conductor from the solar array should be connected to the inverter s earthing bar Pull the PV panel earthing cable to the right hand side of the wall mounting box strip the end 10mm of wire insert into one of the termination holes of the earthing bar and tighten into place Installation Manual Page 17 EnaSolar GT Series Solar Inverter Figure 12 PV Connection to Earth Bar Tighten the earthing terminals according to your wiring 16 25mm 4 6 AWG 5 Nm torque 45 Lb In 10mm 8 AWG 4 5 Nm torque 40 Lb In 2 5 6mm 10 14 AWG 8 Nm torque 35 Lb In The EnaSolar inverter allows three different options for the earthin
9. tab This is the default selection so the jumper does not need to be moved if an isolated earth is required When using the installation utility to configure the inverter ensure that the option Isolated is selected on the PV panel earth section of the Setup page Note If the inverter earth is selected as None there will be no monitoring of the PV panel earth Figure 13 Isolated Earth System NEGATIVE OR POSITIVE EARTH SYSTEM oome panels particularly thin film require that the negative or positive be connected to earth This connection is via the large Earth Fault fuse To configure the EnaSolar inverter as a negative or positive earth system 1 2 3 Installation Manual Ensure that the inverter is turned off both the DC and AC isolators must be in the Off position Move the jumper on the end of the yellow wire and place on the negative earth or positive earth tab When using the installation utility to configure the inverter ensure that the corresponding option is selected on the PV panel earth section of the Setup page Page 19 EnaSolar GT Series Solar Inverter Figure 14 Positive Earth Connection Figure 15 Negative Earth Connection For safety reasons ensure that all earth reference tabs that are not in use have a terminating jumper installed over the bare terminals If an earth fault occurs on the panels that results in a greater than 1A of PV current flowing to earth the Earth Fa
10. 1 Figure 33 Daily log NaSOLaR Setur 5 Minute Log DailyLog EventLog vanced Settings nformator 9 Minute Log c Logs Output Power 2 03 2011 10 55 45 a m 1250 2 03 2011 10 50 45 a m 1242 2 03 2011 10 45 45 am 1229 2 03 2011 10 40 45 a m 965 2 03 2011 10 35 45 a m 627 2 03 2011 10 30 45 a m 477 2 03 2011 10 25 45 a m 418 2 03 2011 10 20 45 am 512 2 03 2011 10 15 45 a m 790 2 03 2011 10 10 45 a m 609 2 03 2011 10 05 45 a m 612 2 03 2011 10 00 45 a m 444 2 03 2011 9 55 45 a m 384 2 03 2011 9 50 45 a m 368 2 03 2011 9 4545a m 311 2 03 2011 9 40 45 am 2 03 2011 9 35 45 a m 2 03 2011 9 30 45 am Date PY Input Voltage 2184 217 6 2184 223 5 204 6 210 3 225 8 223 1 225 6 221 5 2176 228 8 224 7 221 5 2253 225 9 224 5 226 8 PV Input Current 543 5 81 5 80 5 85 2 64 5 40 1 99 2 06 2 33 3 00 3 00 2 89 Figure 34 Five minute log Installation Manual Output Current 481 5 10 5 14 5 28 2 20 4 56 1 85 1 89 2 16 2 70 2 67 2 70 1 43 1 38 1 67 1 39 1 90 1 72 Delete Log Page 39 EnaSolar GT Series Solar Inverter CRON 5 Minute Log Daily Log EventLog anced Setti 9s Event Log 7 intormation m Logs Date Events 1 03 2011 1 40 18pm 1 03 2011 1 40 13pm Event 302 1 03 2011 1 31 56 pm 1 03 2011 1 31 51 p m Evert 302 28 02 2011 7 57 30 p m 28 02 2011 75725pm 315 AC Lost Sync 28 02 2011 7 57 15 p
11. 13 RUI RR T 15 Wiring COMPA 16 Earthing of Solar Modules i Lie 18 Additional Wall Mount Box Information nnne enarrare nnne nnn nnns 22 Inverter Module eM T D ren renen ene 23 A CONUN an E E E A T A E la 26 LIO LES RR RE ITA 26 Mistanng dare MStaler O11 M P nne eer nt eye 26 finire sarrz iilos Reprin saiisine a iR 27 Using the Solar Installation Utility cccccccecceeece cece eeeeeeeeeeseeeeeeeseeeeeeeaeeseeeeeeeseeeseeesaeesaeeseeeseeeseeegeeeaaes 21 Cc Pe IA 28 Wireless NGIWOrKSEelubireloa eee oi EAE aai 29 Ethernet Network Setup iii 29 Test the customers VVeDDAQO uiis saucuzi ami bis ta ro gre ip oves RE LI iii ala 30 Co NL RR 32 Commissioning the SysteM ii 32 OPPIO A n 32 Navigating the front panel iii 33 MAUVE solius ii R18 era 35 Advanced Network Setup Leia ceeii enel e ta casu t dons oo a one Ix eai zii 35 KI CONRECCSCHIMO Sinister OE OE E 35 WIE e EEE 36 ERRO 37 MNT OSTA UID PRENNE m 38 Koo P eons 38 Inverter Settings Web Page iii 40 PCN TNS ON seca separ ip sic eel eat cl te ec ssc rise 43 Lost or Forgotten Password Password Re
12. 5 IP55 Mechanical 330mm x 550mm x 145mm 330mm x 550mm x 145mm 330mm x 550mm x 145mm excluding antenna excluding antenna excluding antenna 14kg 14kg 15kg 1 5 2 0 3 0kW Standards EN61000 6 3 Emission standard for residential commercial and light industrial environments class B EN61000 6 1 Immunity for residential commercial and light industrial environments EN61000 3 2 Limits for harmonic current emissions EN61000 3 3 Limitations for voltage fluctuations and flicker EN62233 Electromagnetic fields for household appliances AS4777 2 AS4777 3 Grid connection of energy systems via inverters G83 1 1 Recommendations for small scale embedded generators AS NZ3100 Electrical safety BS50178 Electrical safety C Tick CE Declarations Installation Manual Page 48 EnaSolar GT Series Solar Inverter Warranty Our standard warranty terms and conditions are available on the EnaSolar website http www enasolar net Products EnaSolar Limited Inverter Warranty In no event shall EnaSolar be responsible for indirect or consequential damages or lost profits even if EnaSolar has been advised of the possibility of such damages EnaSolar Ltd s sole obligation to you shall be the repair or replacement of a non conforming product Warranty Registration To validate the warranty for a newly installed inverter the registration must be carried out within 1 week of installation T
13. accordance with the installation guidelines contained in this installation manual The minimum requirements for airflow around the heat sink are a major factor contributing to efficient cooling of the inverter and as a result the inverter should never be installed where these minimum space requirements are not met The inverter must be mounted vertically with the wiring box at the bottom on a wall or other flat surface with at least 100cm clearance between the bottom of the unit and the ground at least 40cm clearance between the top of the unit and any other surface and 7cm between any surface and the side of the inverter Do not mount inverters above each other or another source of hot air Do not install the inverter anywhere that it is likely to accumulate debris such as tree leaves or large amounts of dust Do not mount the inverter in a cupboard or an enclosed space This may cause the inverter to overheat and potentially cause damage Installation Manual Page 12 EnaSolar GT Series Solar Inverter SURFACES FOR INSTALLATION The wall mounting box can be attached to a vertical surface such as plaster board wood siding concrete wall or pole assembly Make sure the mounting surface is flat and can support the weight of the inverter 14kg before you begin If you are installing onto plaster board use supporting material such as plywood or secure the fasteners to supporting wall studs The inverter must not be installed directly on ga
14. age 25 EnaSolar GT Series Solar Inverter 4 Configuration Chapter 4 Configuration contains instructions on how to configure the EnaSolar GT Series Solar Inverter for use Note The DC isolation switch on the inverter distribution must be turned on at this point The inverter will require to be configured to Set the Network Wi Fi Ethernet settings Change any grid access settings from the default Set the panel earth setting Configure the inverter as required following the instructions in the Configuration section WI FI RANGE CONSIDERATIONS Before you begin configuration you should establish whether the homeowner s wireless network is within range A laptop PDA or mobile phone with Wi Fi can be used at the proposed site of Installation to test the signal strength The inverter should be installed as close as possible to the user s access point Ideally the signal strength will be at least 30 for reliable operation The range of wireless networks varies depending on the installation due to obstacles reflections and interference The typical maximum range between the inverter and the access point when going through walls is 20m Any obstacle in the signal path between the inverter and access point will decrease the radio signal High humidity and moisture on walls will absorb the radio signal and decrease the range Walls with metal in them and concrete walls will decrease the signal strength significantly The aerial
15. ain the accuracy of translation of this manual into other languages other than English but there is no guarantee as to the correctness of such translations Date Version May 2011 v1 4 Applicable for products 1 5KWGT AUNZ UK 1 5KWGT AUNZE UKE 2kWGT AUNZ UK 2kWGTE AUNZE UKE 3kWGT AUNZ UK 3kWGTE AUNZE UKE Contact Information Phone 64 3 366 4550 Fax 64 3 366 0884 Email support enasolar net Web www enasolar net Installation Manual Page 2 EnaSolar GT Series Solar Inverter About This Manual The purpose of this installation manual is to explain the procedures for installing and troubleshooting the EnaSolar GT Series Solar Inverter This manual is intended for qualified electrical installers The Solar Inverter must only be installed by trained specialists Please read the installation manual thoroughly before installing the device and keep it safe for future reference Throughout the installation manual we use certain symbols Here is what they mean WARNING Warnings identify conditions that could result in personal injury or loss of life CAUTION Cautions identify conditions or practices that could result in damage to the unit or other equipment This manual must remain in the possession of the end user customer Once the installation has been completed the relevant data must be filled in the rear section of this manual This data may be used for the customers reference and to aid in any technical assistance
16. ays the serial number and version numbers of the inverter ENASOLAR West Melton Inverter Information Sera Number 1043308735 Dipi Firmaware Version ii Wireless Network Firmware Version il Inverter Finmware Version a Network DC Controller Firmware Version 12 AC Controller Firmware Version 10 Time Front Panel Revison 7 Home Fag e Inverter Revision di Inverter Product ID AW Wehgage Version 7 Figure 39 Versions Webpage HOME PAGE The normal home page current generation values charts and settings can be accessed by following the home page link Installation Manual Page 42 EnaSolar GT Series Solar Inverter If the inverter is unable to connect to a wireless access point it will create an Adhoc network This allows the inverter s web page to be accessed wirelessly so that the wireless network settings can be corrected An Adhoc network is a computer to computer connection Only one user at a time may connect to the inverter by this method The Adhoc network can also be used by the customer to change inverter Wi Fi encryption without requiring a serviceman using the installer utility this requires the wireless access point to be turned off Adhoc Default Settings IP Address 10 10 5 5 Domain Name ENASOLAR GT Network SSID ENASOLAR GT 0000000000 10 digit serial number Security Mode WEP with Open Authentication Network Password Displayed on front panel network screen 4 page User Name Admi
17. case x1 4 Antenna x1 2 Display module x1 5 Conduit bungs x2 3 Inverter module x1 6 Mounting Hardware x6 Note If installing an Ethernet version display module identified by an E in the part number there will be no antenna included Eliminate the chance of dissimilar metal corrosion by using the supplied mounting hardware If you are missing any of the inverter parts that you need for the installation please contact your EnaSolar representative Obtain the required network settings from the site owner see the Network Setup section for further information Check that the panel configuration voltage and current is suitable for the inverter Have the latest version of Installation software loaded onto the notebook PC that will be used to configure the inverter Requires a minimum OS of windows XP or later A USB to mini USB cable is required to connect from the notebook PC to the inverter display module The EnaSolar GT Series Solar Inverter can be installed indoors or outdoors It must be installed somewhere with a free flow of air where the ambient temperature is between 25 c and 50 c It must be installed in a location that is out of direct sunlight during peak power times when the sun is at its hottest as the sun s heat may interfere with the cooling abilities of the inverter module Our standard warranty terms can be found on our website However the warranty may be compromised if the inverter is not installed in strict
18. ction in KWhs and the total time the inverter has been generating energy Total 1435kHh 2160h GRID TIED SOLAR INVERTER Figure 25 Display Totals page VOLTAGES This screen shows the input and the output voltages of the inverter Installation Manual Page 33 EnaSolar GT Series Solar Inverter GRID TIED SOLAR INVERTER Figure 26 Display Voltages page NETWORK This screen shows the IP address to which the inverter is connected as well as the Wi Fi signal strength 192 168 1 205 Signal 482 GRID TIED SOLAR INVERTER Figure 27 Display Network page ADHOC When connected as an Adhoc network this screen will display the access key EVENTS If an event or fault occurs this page will be displayed prior to the home page During low light dawn and dusk a Low DC message will displayed for the first page Installation Manual Page 34 EnaSolar GT Series Solar Inverter 6 Advanced Settings The Network Connection Details section shows the current details for the inverter s network interface The Network Settings section allows the inverter network interface settings to be changed DHCP Enabled Enable or disable DHCP enabled by default If DHCP is disabled then the Default IP Address Default Subnet Mask Default Gateway Default Primary DNS Server and Default Secondary DNS Server will need to be set The Gateway and DNS should usually be set to the address of the router or access point
19. e access point If it is disable it or add the MAC address of the inverter to the allowed list Adhoc Connected A user is connected to the inverter by the Adhoc connection Installation Manual Page 45 EnaSolar GT Series Solar Inverter Failed to get an IP Address If there is no DHCP server on the network disable DHCP and manually enter the default IP address DNS IP and Gateway IP in the advanced settings page of the Solar Installation Utility If there is a DHCP server on the network then the user s access point may be transmitting wireless broadcasts at the wrong rate Change the base transmit rate of the access point to 2 Mb s Look at the documentation for the access point on how to do this Otherwise set the inverter to have a static IP and manually enter the default IP address DNS IP and gateway IP in the advanced settings page of the Solar Installation Utility Web page can t be accessed using the IP address Check that the IP address has been entered correctly and that both the inverter and computer from which the web page is being accessed from are successfully connected to the same network Web page can t be accessed using the Domain Name as the address Try to access the web page using the IP address displayed on the network page of the LCD screen If the web page can be accessed through the IP address then the access point is transmitting broadcasts at the wrong rate Change the base transmit rate of the access point to 2 Mb s r
20. e wireless antenna to the display board Leave the display module open so that you can continue with configuration Figure 19 Display Module Wi Fi with Connections ATTACH THE DISPLAY MODULE ETHERNET As per the above Wi Fi version attach the Ethernet Display Module by connecting the Earth cable and the 4 way communication cable Connect the Ethernet cable to Ethernet port on the Display Module E Figure 20 Display Module Ethernet with Connections Installation Manual Page 24 EnaSolar GT Series Solar Inverter TESTING THE DC AND AC VOLTAGE 1 owitch off and lock DC and AC inverter switches 2 Check that the solar array plugs are correctly installed 3 Re connect the solar array and expose it to full sunlight which is intense enough to produce the required output voltage 4 Measure the PV array open circuit DC voltage across the DC positive and negative terminals in the wall mounting box This voltage must be greater than 150 volts DC and less than 600 volts DC 5 Turn on the breaker at the AC distribution 6 Using an AC voltmeter measure the AC open circuit voltage and make sure that the voltage is at approximately the nominal value 7 Turn on the DC isolator and measure the DC voltage at the terminals this should not have changed Potential damage to inverter The open circuit DC voltage must be less than 600 volts DC at all times to prevent damage to the inverter Installation Manual P
21. efer to the documentation for the access point on how to do this NO DC Check that the DC Isolator switch is on check the PV array is in circuit and is fully exposed to sunlight Check the polarity of the PV input reverse polarity will display as OV NO AC Check that the AC Isolator switch is on Check that the AC circuit breaker is on at the switchboard PV Earth Fault Isolated Earth this means there is less than 600kO between the ve or ve PV input and earth l e the cabling for the PV array has developed a fault from either the positive or negative input to ground This will display the message PV Earth Fault and will continue to operate Possible causes Faulty cell in one of the PV modules Cracked Corroded Damage PV module Chaffed or damaged wiring Incorrect wiring or configuration This situation has a fault that needs to be address but will continue to operate as under an isolated earth installation it is not necessarily an unsafe situation but has the potential to become a fire and safety risk should another fault occur To help diagnose where the problem lies while the inverter is running measure the following voltages Positive to Negative Positive to Ground Negative to Ground By comparing these values this will give an indication where the problem lies PV Earth Fuse Positive or Negative Earth If this alarm is generated a current of greater than 1A is flowing to ground blowi
22. egative Earth Connection iii 20 Figure 16 AC wiring connections iii 21 Figure 17 Multiple Unit Connections i 22 Figure 18 Connecting the Inverter Module nennen nennen nennen nnne nnn nnne nne rsen san na nis 23 Figure 19 Display Module Wi Fi with Connections nnnm nne nnnm nnne is 24 Figure 20 Display Module Ethernet with Connections i 24 Figure 21 General Setup Settings iii 28 Figure 22 Wireless Network Setup Settings i 30 Figure 23 Customer s Internal Webpage ii 31 Figure 24 Display Home page i 33 ee VIE AR RA 33 Figure 26 Display Voltages page iii 34 Figure 27 Display Network page iii 34 Figure 28 Advanced Network Settings i 35 FIGUFE29 GHNO CONNECESEHAGS lc T I m 36 Figure 30 Time and Date Setup Settings iii 37 FOUE O TORS O oU sula 37 Figure 32 Inverter Information iii 38 IOUS SO Dy O oana T E E illa ecards tata 39 FIGUIS 34 FIV S MINULE lOQ laici 39 FIOUFE S9 Event OO ass ae ai AEE E EE O AE RNS 40 Figure 36 Wireless Settings Webpage i 41 Figure 37 Network Settings Webpage eee nnne nne ae sees rsa nsa assise sa as ssa n sa snas as 41 Fig
23. ernet a removable inverter module containing the power electronics and heat sink a wireless antenna not included with Ethernet version Installation Manual Page 7 EnaSolar GT Series Solar Inverter Figure 1 Installed Inverter Dimensions Total weight 15kg for the 3KWGT unit The Part Number of the EnaSolar GT Series Inverters can be broken down to for better understanding Taking for example the 1 5kWGT AUNZE 1 5kW the nominal output power of the inverter GT stands for Grid Tied E This identifies that the inverter is fitted with the Ethernet version of display There are 2x versions of display interface Ethernet and Wi Fi Wi Fi is standard and if fitted there will be no E in the part number l e 1 5KWGT AUNZ AUNZ This is the country identifier which has the specific parameters for the grid connect settings for that country AUNZ Australia New Zealand uses the same settings as they are both governed by the AS4777 regulations For the UK United Kingdom the settings are governed by the G83 1 1 regulations Installation Manual Page 8 EnaSolar GT Series Solar Inverter The GT Series Inverters comes partially assembled out of the box This reduces the weight and cost of packaging shipping The packaging materials are recyclable to help reduce the materials going to landfill After removing the inverter from the box undo the 4x screws slide hands under the Inverter Module and lift to assist in remo
24. erter Figure 16 AC wiring connections CONNECTING THE AC EARTHING CONNECTOR Pull the AC earthing wire to the right hand side of the wall mounting box Remove 10mm of insulation from the wire Insert into one of the termination holes of the earthing bar and tighten into place Tighten the earthing terminals according to your wiring 16 25mm 4 6 AWG 5 Nm torque 45 Lb In 10mm 8 AWG 4 5 Nm torque 40 Lb In 2 5 6mm 10 14 AWG 8 Nm torque 35 Lb In CONNECTING MULTIPLE UNITS If multiple inverters are being used each inverter unit must be wired to its own PV array You can position multiple inverter units side by side on the wall Please note that you must not connect the same panels into more than one inverter For the AC connection we suggest that each inverter be wired to a different AC phase for phase balancing Second or subsequent PV array cables can be fed through the first inverter unit thread the cable through the upper left hand conduit hole through the first inverter unit out through the upper right hand conduit hole and into the second inverter unit This lets you keep the wiring tidy while still having separate connections Earth each inverter through its AC cable If you are connecting more than one unit complete the wiring for each unit before moving on to the next one Installation Manual Page 21 EnaSolar GT Series Solar Inverter 7 E 1 M 244A sa E d se y Zn m a DC Wi
25. ft to the default of ETSI in most cases The wireless settings must match with those of the access point to which the inverter is connected Click the Write button to save and apply the changes Installation Manual Page 40 EnaSolar GT Series Solar Inverter CNaSOLaR West Melton ettings Wireless Settings i SID Versions Security Mode WS Demec yramm Region Home Page netgear Secured WPA2 PSX Ts I wee Figure 36 Wireless Settings Webpage NETWORK SETTINGS The Network page allows the inverter s advanced network interface settings to be changed ENaASOLAR West Melton Network Connection Details IP Address Subnet Mask Gateway ettings Versions Wireless gt mary DNS Server Secondary DNS Server MAC Address Network Time Home Page Network Settings Defaut Primary DNS Server Defaut Secondary DNS Server Domain Name Inverter Name I 192 168 1 213 255 255 255 0 192 158 1254 192 168 1 1 192 168 13 00 1E C0 01 D6 D1 192 168 1213 255 255 2550 192 158 1254 19216811 192 168 13 ENASOLARWEST West Melton Wed Administrator Username Web Administrator Password m Enable WiFi Power Seve Mode Figure 37 Network Settings Webpage DHCP Enabled Enable or disable DHCP enabled by default If DHCP is disabled then the Default IP Address Default Subnet Mask Default Gateway Default Primary DNS Server and Default Secondary DNS Server will need to be set The Gatewa
26. g of the Solar Module DC Poles Isolated Negative earth or Positive earth Note this section refers to earthing the positive or negative of the Solar DC supply The Solar Module frames should always be connected to earth ISOLATED EARTH SYSTEM In this option which is the default the positive or the negative from the solar modules are not connected to earth On startup the inverter will test the impedance from both the ve and the ve DC input to ensure that there is gt 600kO 15 between the DC inputs and earth If the inverter detects a lower impedance it will display an error PV Earth Fault and the RED LED will be on The inverter will then continue with the startup tests and run If the inverter is displaying this fault then the fault should be located and resolved If left unresolved and a second earth fault occurs then an electrically unsafe situation and a fire hazard could result See PV earth fault in the troubleshooting section Note that the inverter has internal impedances so ensure that the DC Isolating Switch is OFF before making any impedance measurements for trouble shooting Installation Manual Page 18 EnaSolar GT Series Solar Inverter To configure the EnaSolar inverter as an Isolated Earth System 1 2 3 Ensure that the inverter is turned off both the DC and AC isolators must be in the Off position Move the jumper on the end of the yellow orange wire and place on the Isolated
27. his form is to be filled out on the EnaSolar website at www enasolar net warranty Alternatively the installation can be registered on Online at http partner enasolar net under an individual installer login Glossary PV Array Nm Lb In PV LCD LED MOV AC DC Installation Manual Photovoltaic Array solar panels Newton metre Pounds inches Photovoltaic Liquid Crystal Display Light Emitting Diode Metal Oxide Varistor A transient protection device Alternating Current Direct Current Page 49 EnaSolar GT Series Solar Inverter This section must be filled in by the installer Installers Details Company Name Contact Ph email Solar Panel Data Model of Panel Panel Configuration No of strings EE No of panels in string MEM Installation Manual Page 50 EnaSolar GT Series Solar Inverter Page intentionally blank Installation Manual Page 51
28. ing Isolated ve earth Isolated ve earth Isolated ve earth ve earth selectable ve earth selectable ve earth selectable Output Nominal Output Voltage 230V AC 230V AC 230V AC Output Voltage Range 202 259V AC 202 259V AC 202 259V AC Max Output Current 7 5A 10A 15A Line Frequency 50Hz 50Hz 50Hz Total Harmonic Distortion lt 5 at full load lt 5 at full load lt 5 at full load nominal output voltage nominal output voltage nominal output voltage Max Efficiency gt 95 TBC gt 96 gt 96 5 Max Euro Efficiency gt 93 TBC gt 94 5 gt 94 5 Nominal Output Power 1500W 2000W 3000W Maximum Output Power 1600W 2100W 3100W Power Factor gt 0 98 gt 0 98 gt 0 98 System Inbuilt lightning surge protection Integrated lockable DC and AC disconnect Integrated wiring box with removable inverter module Islanding Protection AS4777 3 G83 1 1 AS4777 3 G83 1 1 AS4777 3 G83 1 1 Night time Consumption lt 1 2W lt 1 2W lt 1 2W Operating Temperature Range 30 C to 50 C full power 30 C to 50 C full power 30 C to 50 C at V AC nom 70 C derated 70 C derated 70 C derated Acoustic Noise lt 33dBa Q 1m 33dBa Q 1m 33dBa Q 1m Display 4 line x 16 character 4 line x 16 character 4 line x 16 character no buttons no buttons no buttons Data Interface Wi Fi IEEE 802 1 1 Wi Fi IEEE 802 11 Wi Fi IEEE 802 11 with web interface with web interface with web interface Environmental Rating IP55 IP5
29. inverter The display panel should read Inverter starting up After a moment the inverter will attempt to connect to the grid and display the message Connecting to the Grid in XXs XX this time is determined by the regional regulations for AUNZ 60s for UK 180s The time will count down to 0 and then the inverter will start generating if there is power available from the PV panels and the AC connection is within the grid connect setting The system will automatically synchronise with the grid the front panel will revert to the power output page and will display the generating green LED 1 Turn the DC switch on the bottom left of the wall mounting box to the Off position to cut off the power coming from the solar unit 2 Turn the AC switch on the bottom right of the wall mounting box to the Off position The display panel should be blank The system will stop generating the red LED will flash battery power Installation Manual Page 32 EnaSolar GT Series Solar Inverter The front panel display shows key information pages To scroll through these pages lightly tap the metal front panel not on the see through screen The backlight from the display will illuminate HOME This screen shows the current production yesterday s total production and today s total production GRID TIED SOLAR INVERTER Figure 24 Display Home page TOTALS This screen shows the inverter s total produ
30. leaving it as the default Open In most cases this will be correct Please enter the networks WEP Key WEP Key Authentication 12345 Open Connect Cancel 4 The inverter will try to connect to the access point Upon successful connection with the access point and if DHCP is enabled it will attempt to get an IP address Note 1 If any of the above fails refer to the Network Troubleshooting section Note 2 More advanced settings can be found on the advanced settings page Route a length of cat 5 or cat 6 Ethernet cable through a separate conduit from the customer s router to the inverter s display panel Upon connection if DHCP is enabled most routers have DHCP enabled by default the DHCP server inside the router will allocate an IP address for the inverter If there are multiple inverters on the same network you must configure the domain names to ensure there is not a conflict By changing the Domain names to a different name per inverter the default is Enasolar GT there will not be any conflicts with trying to load individual web pages when searching using the domain name Installation Manual Page 29 EnaSolar GT Series Solar Inverter NETWORK SETTINGS The Domain Name is the name that a user can use to access the inverter s web server via a web browser on the LAN If more than one inverter is installed this should be changed so that each inverter has a unique domain name Up to 15 characters may be used and should
31. licone sealant Note If the inverter is incorrectly installed this will void the warranty Please see our warranty terms and conditions on our website Figure 9 Wall Mounting Box Fixed to the Wall Installation Manual Page 14 EnaSolar GT Series Solar Inverter 3 Wiring Chapter 3 Wiring contains instructions on how to correctly wire the EnaSolar GT Series Solar Inverter to the solar array and to the AC power Only solar trained electricians or other suitably qualified technicians should install this product WIRING REQUIREMENTS Wire sizes must be coordinated with the array maximum short circuit current and the AC breaker sizes used All wiring must be in accordance with applicable codes Wiring in Australia and New Zealand must meet AS NZS3100 and AS4777 standards AS4777 requires that the inverter feeds into a separate breaker on the AC distribution board This breaker must be rated for bidirectional power flow This standard also requires that specific signs and labels are attached to the distribution board and main AC distribution board For further information consult the appropriate standards documentation Wire size for the AC and DC is critical Undersized wiring can lead to significant power losses and a reduction in system efficiency e The maximum size for the DC cable is 16mm or 6AWG solid or stranded copper wire only e The DC cable must be rated for the maximum open circuit voltage of the panels 600V min is
32. lvanised steel for corrosion reasons In order to make use of the wireless capabilities of the inverter unit the homeowner must provide wireless networking capabilities The wireless router must be located close enough to the inverter to have a minimum of 30 signal strength at the inverter location to maintain connection See the section on Wi Fi range considerations on page 22 for more info The network security settings need to be known The inverter is compatible with both WPA and WEP A list of known compatible wireless routers is available on the dealers section of the EnaSolar website The metal wall mounting box comes with six pre drilled 8mm screw holes for attaching it to the wall as well as eight conduit holes for the electrical cables Figure 8 Wall Mounting Box Installation Manual Page 13 EnaSolar GT Series Solar Inverter SUGGESTED INSTALLATION METHOD 1 Using the wall mounting box as a template mark the required screw locations 2 Setaside the wall mounting box and drill the marked screw hole locations A minimum of four screws are required to fix the wall mounting box to the wall 3 Using the supplied mounting hardware fit the wall mounting box and insert screws through the drilled holes so that the box is held firmly in place Ensure that you use the supplied fasteners that are capable of holding the unit securely 4 Inspect the installation for any potential water leaks Seal using an appropriate si
33. must always be earthed back to the inverter earth bar Date Time and Time Zone d Setthe time in the inverter by using the Set to PC Time button This will set the inverter date time and time zone to the date and time on the installer s PC eNasoLaR General Wireless Network Y Advanced Settings 7 Information Inverter Name EnaSolar Inverted Gi Logs DC Installed Capacity Earth Fuse Disabled v COM Port COMS J English le 4 Information Figure 21 General Setup Settings Installation Manual Page 28 EnaSolar GT Series Solar Inverter You will need the following information before you begin Name of the customer s wireless network SSID Encryption key or passphrase if the customer s network is encrypted Authentication type open closed if WEP security is used SETUP PROCESS 1 Click the scan button on the wireless network page to setup and search for a wireless network If any wireless networks are within range a list of the available access points will be displayed 2 Select the customer s wireless network from the list by double clicking on it or by selecting it and pressing Connect 3 If the customer s wireless network is encrypted enter the key or passphrase for the wireless network into the popup box and press Connect If the security type is WEP choose the appropriate authentication type from the drop down menu Note If you don t know the authentication type try
34. n Password Admin1 How to connect 1 Using a PC disconnect from any wireless networks and scan for networks Connect to the network that has the domain name of the inverter plus the serial number of the inverter appended to it The default domain name is Enasolar GT 2 Enter the WEP Key for the Adhoc network when prompted 3 In a web browser type the IP address 10 10 5 5 into the address bar 4 When prompted for a user name and password enter these and click ok The default user name is Admin and password Admin1 Disconnect from the Adhoc network when you are finished using it Turn off the access point to which the inverter is connected so that an Adhoc network is created Follow the instructions in the Adhoc section on how to connect to an Adhoc network When prompted for a user name and password enter the default user name Admin and password Admin1 Go to the network settings web page and change the Web Administrator Username and Web Administrator Password to the customers preferred choice and click Write All to save the settings Installation Manual Page 43 EnaSolar GT Series Solar Inverter 7 Troubleshooting Chapter 7 Troubleshooting contains instructions on how to resolve problems with the EnaSolar GT Series oolar Inverter after installation The inverter will store all faults and events that occur At extremely high or low temperatures the display module may not function correctly
35. ng the earth fault fuse Once the fault has been verified the Earth Fuse will need to be replaced see below for the procedure WARNING Risk of Electric Shock The PV Earth Fuse must only be replaced by a trained solar technician Installation Manual Page 46 EnaSolar GT Series Solar Inverter Ensure that both the AC and DC isolator switches are turned off De energise both the AC from the switchboard and DC PV array feeds into the inverter Gain access to the wiring compartment by removing the display module Check if the Earth Fault Fuse is open and leave the fuse holder open Inspect the PV array for any possible cause of the fault and remedy as required Replace the fuse with 1A 600Vdc Littlefuse KLKD 1 Refit the display module and reenergise the system f the PV earth fault still exists contact the EnaSolar Service department MOV Fail WARNING Risk of Electric Shock Any of the MOV protection devices must only be replaced by a trained solar technician Ensure that both the AC and DC isolator switches are turned off Gain access to the wiring compartment by removing the display module Inspect each of the MOV s fitted in the system 2x DC protection negative positive and negative earth 1x AC protection phase neutral Note The MOV fail alarm will be generated when any of the 3x MOV s has failed Replace the applicable MOV These items are available from your EnaSolar dis
36. ng the inverter make sure you follow the recommended clearances and location instructions Do not install it in a location that does not have ventilation as this could lead to overheating and damage to the unit or significantly reduce its life or reduce power output Do not open the display module or the inverter module They contain no user serviceable parts Installation Manual Page 6 EnaSolar GT Series Solar Inverter 1 Introduction Chapter 1 Introduction describes the features and functions of the EnaSolar GT Series Solar Inverter The EnaSolar GT Series Solar Inverter is designed to convert solar energy to AC mains power which can be used to power appliances in a home or business The EnaSolar GT Series Solar Inverter features e DC and AC isolating switches low operating voltage range starting at 120V allowing you to install with a minimal panel array light weight inverter 15kg in the 3kW unit built in Wi Fi and stats package as standard optional Ethernet version available e 9 year warranty e easy upgrade path to larger units changing only the main module and re using the back mount control panel and all wiring e front mounted heat sink allows more airflow easy care and cleaning an efficient design The EnaSolar GT Series Solar Inverter are made up of several components e a wall mounting box containing the wiring compartment e a removable display module containing an LCD panel and Wi Fi Optional Eth
37. not contain spaces The default domain name is Enasolar GT Using a computer enabled for the customer s Wi Fi check that the inverter web page can be displayed Enter Enasolar GT into the address of the browser If this doesn t work go to trouble shooting ENASOLAR General Wireless Network 9 Advanced Settings Information Gi Logs Sen x ENASOLAR GT COM Pon coms 3 English le sj Information Figure 22 Wireless Network Setup Settings If for any reason the inverter does not operate as required with regard to the Setup sections further parameters may be changed in the Advanced Settings tab See section 6 page 35 To verify that the Wi Fi is configured to the customer s router correctly test the customers interfacing inverter s internal webpage 1 Gain access to the customer s computer connected to the local network 2 Open up the web browser Internet Explorer Firefox Safari etc 3 Type either the Domain Name or the IP address into the title bar The Domain Name was selected upon setup or default Enasolar GT The IP address that is issued to the inverter by the router s DHCP server is able to be viewed on the Network page 4 page on the front panel Ensure that the prefix http is used when searching for the webpage Installation Manual Page 30 EnaSolar GT Series Solar Inverter CNaSOLaR rattletrack Energy Production Expor ng Today 0 57 kWh 1h 49m Yesterday 23 72 kWh 14h
38. on If there are many logs it can take some time to read all of them To read the 20 most recent logs click the Read Last 20 button To delete all log entries in a log click the Delete Log button To save the displayed log list to disk click the Export button The three logs contain the following information Daily Log Logs the amount of power produced each day and the amount of time spent exporting power to the grid for that day 5 Minute Log Logs every 5 minutes the various powers voltages currents temperatures auxiliary inputs and the operating state of the inverter Event Log Logs any events that occur and the time that they occur These events help to diagnose potential faults Blank lines mean that all events were cleared at that time The end user customer only has access to the Daily log The 5 min and event logs are intended for use by installers and EnaSolar personnel for diagnostic purposes Installation Manual Page 38 EnaSolar GT Series Solar Inverter eNasoLaR Setup 5 Minute Log Daily Log EventLog Advanced Settings 4 ran miormator Dany LOg ml Logs kWh Date Exported 1 03 2011 8 60 28 02 2011 9 77 27 02 2011 11 28 26 02 2011 5 51 25 02 2011 3 55 24 02 2011 11 17 23 02 2011 0 00 22 02 2011 1 20 21 02 2011 10 83 20 02 2011 11 54 19 02 2011 4 46 18 02 2011 8 50 17 02 2011 12 92 16 02 2011 12 92 15 02 2011 13 10 14 02 2011 13 02 2011 12 02 2011 11 02 201
39. r Inverter The minimum and maximum voltage and frequency limits can be changed but this should only be done after discussion with the relevant electricity distributor Timeouts cannot be changed and are displayed for information only The grid reconnect time is the minimum amount of time for the inverter to wait before reconnecting to the grid following a disconnection The voltage and frequency must be stable and within range throughout the specified time period before the inverter will reconnect The minimum grid reconnect time is determined by the regulation standards for each country To be able to change any of the voltage and frequency values you must enter your Installer ID and select the Unlock button This ID will be issued by EnaSolar upon application at the EnaSolar website fr Setup I intormaton cy Logs eNaSOLaR I mum EH EH ETH EH cm Figure 29 Grid Connect Settings These settings are used if the computer you are using to configure the inverter has a different time time zone that that which the inverter is being installed in for example in a different state across the same country Date Time a Set the time in the inverter by using the Set to PC Time button which will set the inverter date and time to the date and time on the installer s PC Time Zone a Set the time offset by using the Set to PC Time button which will set the inverter time zone to the UTC time offset on the in
40. re Routing f AC Wire Routing Figure 17 Multiple Unit Connections If there will be more than one PV array label the positive and negative wire pairs appropriately for example PV1 POS PV1 NEG PV2 POS PV2 NEG CONNECTING THE WIRELESS ANTENNA Note This is not applicable for Ethernet version of the Display Module The Solar Inverter is able to communicate with a network using a wireless link The wireless coaxial cable comes pre connected to the wall mounting box Screw in the antenna to the bottom of the wall mounting box If fitting an Ethernet version of Display Module ensure to route the communication cable cat5 or cat6 Ethernet cable in separate conduit to ensure that there is no noise induced into the communications line Ensure that all cables are outdoor rated if the inverter is mounted outside When routing the Ethernet cable ensure that there is sufficient length to be able to connect to the display module when it is being suspended to allow for ease of configuration The EnaSolar GT Series Solar Inverter can be installed in stages You have the option of installing the wall mounting box wiring and inverter module at separate times or all together at the same time If you are not installing the inverter module at this point you can make the wall mounting box waterproof by installing the service panel The service cover is available from your EnaSolar distributor If you are installing the inverter module at thi
41. recommended The maximum size for the AC cables is 16mm or 6AWG solid or stranded copper wire only The earthing terminal wire range is 2 5 25mm 4 14 AWG copper or 4 25mm 4 12 AWG aluminium solid or stranded wire e We recommend that the DC wires are a minimum of 4mm and that the AC wires are a minimum of 2 5mm to reduce voltage drop WARNING Fire Hazard Using undersized wiring can result in a fire hazard Installation Manual Page 15 EnaSolar GT Series Solar Inverter Figure 10 Wiring Compartment CONNECTING THE DC WIRING Before you begin connecting the electrical components make sure that the AC and DC switches are both in the Off position and the inverter module is not in place o WARNING Risk of Electric Shock Ensure the incoming DC cables are disconnected at the PV cells Ensure the AC Inverter feed breaker on the distribution board is in the Off position There are 2x empty bung positions at either side of the wall mounting box to route conduit for wire entry Ensure all unused conduit entry points are fitted with the spare conduit bungs that are supplied If required these may be transposed to a desired conduit entry hole Fix a suitable length of electrical conduit to the case Feed the cables from the solar array through this conduit and into the wall mounting box identifying the positive and negative cables as you do so If there are 2 arrays of panels ensure that both
42. s on the inverter and the access point should always be vertical These aerials should also be mounted above ground and away from metal objects Larger directional antennas can be used on the access point inverter or both if an increase in signal strength between them is required Installing a directional antenna may not always increase the signal strength as there are many variables that influence the range Wi Fi range is also affected by interference from other devices such as microwave ovens 2 4GHz cordless phones Bluetooth devices and other Wi Fi devices If there is another Wi Fi access point within range of the user s access point the access point can be configured to operate on a different channel For example if a neighbouring access point is on channel 6 then configure the user s access point to channel 1 or 11 The inverter requires software which you must use to configure its settings when installing a new inverter This software is available from the Partners section of the EnaSolar website This should be installed on a PC running Windows XP or later and with an available USB port A laptop with built in Wi Fi is preferred Installation Manual Page 26 EnaSolar GT Series Solar Inverter Ensure that you have the latest version of installation utility installed on the PC prior to installing the inverter All required software and supporting material is available from the EnaSolar website Once the software has been downloaded follo
43. s point you should continue to the next section Inverter Module Installation Manual Page 22 EnaSolar GT Series Solar Inverter CONNECTING THE INVERTER MODULE Before connecting the inverter module make sure that the AC and DC switches are both in the Off position o WARNING Risk of Electric Shock Prior to installing the inverter module ensure that the following items have been checked Every possible ingress point of water and dust is sealed correctly to maintain the IP rating here are no loose items wire strands or debris inside the wiring area The fixing hardware is not over torqued to ensure that the inverter housing does not warp If the inverter is not installed correctly then the warranty is void Connecting the inverter module Slot the inverter module into place at the top of the wall unit making sure that no cables are caught or pinched between the two units Connect the 6 pin and 9 pin plugs to their respective sockets in the wiring compartment Figure 18 Connecting the Inverter Module Installation Manual Page 23 EnaSolar GT Series Solar Inverter ATTACH THE DISPLAY MODULE WI FI To attach the display panel to the inverter unit connect the earthing wire from the back of display panel to the earth bar in the wiring box and fasten securely The display panel can then be suspended from this wire while you work Connect the four pin lead to the display board Connect the coaxial cable from th
44. set 43 I ROUDIESNO O IM ica TS 44 Installer Serviceable components iii 44 NeIWOTK ITOUDIESNOGOIN9 iircll ea dai 45 General Troubleshooting MEET m 46 O MANIE METRE TUE m 47 Routine Maintenance TaskS iii 47 Installation Manual Page 4 EnaSolar GT Series Solar Inverter 9 E Ieamie ikvle elite DNE T Ofm 48 VEE tetas 49 bicis d US EN OIA otters ome 49 DISSI enna n 49 BS FAW E EEE A TEE EEA 50 Table of Figures Figure 1 Installed INVEnNer sinasl n ri 8 Figure 2 Unscrewing Display Module e 9 FIGULE 3 Lining DIS valeo 9 Figure 4 Removing Connectors i 9 Figure 5 Disconnecting Inverter Plugs nennen nennen nne nnne nne nne sensa nna sre 10 Figure 6 Removing Inverter MOduUle iii 10 ROWE A MVCN M RE mmo 11 FIGUIS S Walt MOUNUNO Bea A ei en 13 Figure 9 Wall Mounting Box Fixed to the Wall mmm nnne 14 Figure 10 Wiring Compartment iii 16 Figure 11 PVY Wire CORNER zorro desco Em 17 Figure 12 PV Connection to Earth Bar ii 18 Figure 13 Isolated Earth System iii 19 Figure 14 Positive Earth Connection iii 20 Figure 15 N
45. staller s PC Installation Manual Page 36 EnaSolar GT Series Solar Inverter A Setup Advanced Network Grid Connect Settings Time and Date Other i Jl Advanced Settings F intormaton March 2 2011 10 46 07 a m CI Logs Retresh this Page Informatior Figure 30 Time and Date Setup Settings OTHER This section displays the other inverter information such as totals Energy Total and Hours Total Also in this section is the program for copying and restoring parameters from the display module Advanced Network Grid Connect Settings Time and Date Other Figure 31 Other Settings Installation Manual Page 37 EnaSolar GT Series Solar Inverter This section displays the inverter information such as current generating data Output Voltage Output Power and Input Voltage Also in this section the specific inverter information is stored such as Name Serial Number and hardware and firmware revisions ENASOLAR A Setup 7 Advanced Settings Output Voltage AC Output Power Gi Logs Ne FN co Input Voltage DC Inverter Name EnaSolar Inverter Serial Number Display Firmware Version Network Firmware Version Inverter Firmware Version DC Controller Firmware Version AC Controller Firmware Version Front Panel Board Version Inverter Board Version J English le a Information Figure 32 Inverter Information To read all the log entries for a particular log click the Read All butt
46. the cover 4 Replace the two captive screws on the left hand and right hand side of the cover and tighten securely If a replacement front panel is required to be fitted the historic data that has been saved on the older unit can be transferred by using the transfer function on the Installation Utility This can be found within the Advanced Settings page under the tab labelled Other All issues If the signal strength is less than 30 move the access point closer to the inverter if possible and or try a larger antenna on either the inverter or access point or both Check the access point is configured in mixed mode with b compatibility enabled A repeater may need to be installed if the access point cannot be moved closer Consult EnaSolar for further details Access Point Not Found Check that the access point is switched on Check the aerial connections on the inverter and access point Move the access point and inverter closer together if possible Security Not Matched Check that the wireless security settings match with the access point Failed to Join Network Check that the wireless settings match with the access point Failed to Authenticate Check that the WEP key and WEP authentication type or WPA passphrase match with the access point Failed to Associate Check that the WEP key and WEP authentication type or WPA passphrase match with the access point Check that MAC filtering is not enabled on th
47. tributor Refit the display module and reenergise the system f the MOV Fail alarm still exists contact the EnaSolar Service department 8 Maintenance Chapter 8 Maintenance covers common maintenance tasks that should be carried out for the EnaSolar GT Series Solar Inverter after installation Keep the inverter heatsink clean and clear of cobwebs dust leaves etc by sweeping it with a broom or something similar on a regular basis Use a soft damp cloth to clean the outside of the inverter if required If the inverter is installed into a salty environment near the sea ensure that the inverter is regularly hosed down with a light spray Installation Manual Page 47 EnaSolar GT Series Solar Inverter 9 Technical Specification Chapter 9 Technical Specification describes the technical specification of the EnaSolar GT Series Solar Inverter Input 1 5kW Model 2 0kW Model 3 0kW Model Maximum Open Circuit Voltage Voc 500V DC 600V DC 600V DC MPP Operating Voltage Range Vmpp 120 450V DC 120 450V DC 120 500V DC DC Nominal Operating Voltage 300V DC 350V DC 300V DC Maximum Input Current Immp 11A 12A 15A Maximum Usable Input Power Pmax 1640Wp 2200Wp 3200Wp Maximum Allowable Input Power 2250W 3000W 4500W Reverse Polarity Protection Inherent crowbar diodes Inherent crowbar diodes Inherent crowbar diodes Isolation From AC Mains High frequency transformer High frequency transformer High frequency transformer Earth
48. ult Fuse will blow disconnecting the fault current path The inverter will detect the blown fuse will display Earth Fuse Fail and will shut down as an electrically unsafe situation and a fire hazard could exist If the Earth Fault fuse is blown see the PV Earth Fuse fail in the troubleshooting section CONNECTING THE AC WIRING Make sure the DC and AC switches on the inverter unit are set to Off and the breaker switch in the AC distribution is set to Off before you begin connecting the wiring o WARNING Risk of Electric Shock There are 2x empty bung positions at either side of the wall mounting box to route conduit for wire entry Ensure all unused conduit entry points are fitted with the spare conduit bungs that are supplied If required these may be transposed to a desired conduit entry hole Fix a suitable length of electrical conduit to the case Feed the cables from the AC power supply through this conduit and into the wall mounting box Strip 9mm 7 inch of insulation from the wires Connect the phase and neutral from the mains power cable to the AC terminals on the right hand side of the wiring panel Tighten the AC terminals to 1 2 1 5 Nm torque 10 6 13 3 Lb In Cable tie the AC wires to the PCB using the slot provided on the PCB Do not route the AC and DC cables together in the same conduit these must be kept apart using separate conduit routing Installation Manual Page 20 EnaSolar GT Series Solar Inv
49. ure 38 Time amp Date Settings Webpage i 42 Figure 39 Versions Webpage c 42 Figure 40 Installer Serviceable COomponents nnne nnne nnns nannte sns na ns 44 Installation Manual Page 5 EnaSolar GT Series Solar Inverter Safety Instructions This manual contains important safety and operating instructions Keep it safe for future reference Before installing and using the inverter module read all the instructions carefully WARNING The following warnings identify practices that could result in personal injury or death When the device is in use it can become quite hot up to 70 C in normal operation depending on the ambient temperature Do not touch the inverter while it is being operated or you may get burned Do not cover or obstruct the inverter because it could overheat and become a fire hazard Make sure that the wiring is kept in good condition and is the correct size and type for its purpose Unless you are a qualified electrician you must not open the inverter or attempt any type of repair or modification to the wiring There may still be a high residual voltage within the inverter itself even if you have switched off the power source Never attempt to remove repair or modify the inverter until the AC and DC power has been disconnected CAUTION A The following cautions identify conditions or practices that could result in damage to the unit or other equipment When installi
50. val of the Display Module Figure 2 Unscrewing Display Module Figure 3 Lifting Display Module Then carefully disconnect the 3x cables from the display PCB ground tab communications cable Wi Fi coaxial connector Note When removing the coaxial connector do not pull on the cable The Wi Fi connector is not fitted for the Ethernet version Figure 4 Removing Connectors oet the Display Module aside Disconnect the 2x main inverter connectors by squeezing the side release tabs and carefully pulling out Installation Manual Page 9 EnaSolar GT Series Solar Inverter Figure 5 Disconnecting Inverter Plugs Figure 6 Removing Inverter Module Lift off the Inverter Module and then set aside Installation Manual Page 10 EnaSolar GT Series Solar Inverter 2 Installation Chapter 2 Installation contains information about how and where to install the EnaSolar GT Series Solar Inverter The EnaSolar GT Series Solar Inverter can be installed as a single inverter connected to a single PV array or multiple PV arrays Multiple EnaSolar GT Series Solar Inverters can be installed side by side The EnaSolar GT Series Solar Inverter can be connected to a home network using Wi Fi if one is available Unpack the box containing the EnaSolar GT Series Solar Inverter and make sure that you have all the required parts Figure 7 Inverter Parts Installation Manual Page 11 EnaSolar GT Series Solar Inverter 1 Wall mounting
51. w the prompts on the installation utility to install the installation utility Open the utility At this stage the USB driver will install automatically If an inverter is connected to a wireless access point data from the 5 minute and event logs will be collated and sent on the hour to EnaSolar servers in order to provide detailed performance data for the EnaSolar reporting software This information is read only from the servers and will have no security concerns for the customer The data that is pushed from the inverter contains no site or personal information There will be a limited amount of bandwidth use to push this data to the servers approximately 1Mb of data per month This feature may be disabled by selecting a check box in the Advanced Settings of the Installation Utility By doing this there will be no information about the inverter s performance sent to EnaSolar and therefore they will not be able to monitor if there are any anomalies with the installation To configure a new inverter connect the PC to the inverter using a USB to mini USB cable The mini USB port is on the back of the display panel Start the EnaSolar Installer Utility If an inverter is not connected to the PC then the utility will display an error message If this happens plug the inverter in to the PC and click the scan button at the bottom of the page On any page the Refresh this Page button can be used to update the contents of the page
52. y and DNS should usually be set to the address of the router or access point The Domain Name is the name that a user can use to access the inverter s web server via a web browser on the LAN If more than one inverter is installed this should be changed so that each inverter has a unique domain name Up to 16 characters may be used and should not contain spaces The default domain name is Enasolar GT The Location is used to identify an inverter It is displayed under the EnaSolar banner on the inverters web pages By default the Inverter Name is blank Installation Manual Page 41 EnaSolar GT Series Solar Inverter The Web Administrator Username and Password are used to log into and gain access to the settings web pages Click Write All to save the settings to the inverter TIME SETTINGS Date Time Set the time in the inverter by using the Set to PC Time button which will set the inverter date and time to the date and time on the connected PC viewing this webpage Time Zone Set the time offset by using the Set to PC Time button which will set the inverter time zone to the UTC time offset on the user s PC eNasoLaR 3 West Melton attings Date Time Date Time Wednesday 2 March 2011 12 00 21 pm Versione Lenna Wireless Time Zone N Region Regon l y m Time Zone Offset UTC 12 00 h m Home Page c Figure 38 Time amp Date Settings Webpage VERSIONS This page is not editable but displ
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