Grid Tie Solar Inverter EnerSolis Series Three-Phase , 6 / 8
Contents
1. Install the inverter vertically or Never install the inverter horizontally tilting backward or so that it tilts forward 3 When choosing the installation site ensure that there is enough space for heat dissipation Under normal conditions the following clearance guidelines 034 should be applied The procedure for mounting the inverter is described on the following page 10 11 4 3 1 Using the mounting bracket Method Use the backplane to fix the unit otep 1 Put the backplane position paper on the intended spot of the wall Drill holes based on the diameter of the backplane to fix holes Finally fix the backplane on the wall Step 3 Hang the PV inverter on the backplane Make sure that it holds the inverter unit firm and securelyFinally fastening the nut PV Inverter 12 Method Il Use screws to fix the unit Step 1 Mark the positions to drill the holes and setting screw 422 K 534 F Q ER u am Q 27 0 pe uA cS j j j j j I gt e gU UN e j j J f EE nn M d Step 3 Make sure that the PV inverter is positioned securely on the bracket 13 4 4 Electrical installation Caution Risk of electric shock m Make sure the AC breaker or switch installed between the PV Inverter and the grid AC Utility Note Please use Ue 690Vac le 25A circuit breaker m Make sure2. 52 ies PCS LOAD I Hes cs DILL After three seconds the LCD will change from drawing A to drawings B1 and B2 The green LED will flash to indicate that the DC input power is less than sleep power The yellow LED will shine steadily to indicate the absence of utility power 23 6 1 3 Turn on the AC breaker If the utility specification voltage 6 1 6 Ifthe inverter encounters a problem e g output current over frequency etc matches the inverter after thirty seconds the range then an error code or error status will appear on the LCD will display drawing C and the yellow LED will stop screen e g drawing F shining indicating that the utility is acceptable to the inverter If the utility does not match the inverter then an error code or error status will appear on the screen LINE ff F PCS LOAD A 6 1 7 Upon successful completion of the start up operation the LCD will display drawing E 6 1 4 After five seconds if the inverter s DC soft start is successful LLL EU the LCD will display drawing D The green LED will still flash 6 2 Checking values measured by the inverter To check values measured by the inverter use the scroll up M and scroll down W keys When you scroll down the LCD will display the following 6 2 1 Input DC voltage of string A 6 1 5 After ten seconds if the inverter s AC soft start is successful the LCD will display drawing E G LINE Ef L PCS LOAD E
3. electric shock m When working on the solar power system disconnect the AC breaker or switch m Turn the DC input switch to off position referring to section 4 4 2 Figure 5 m Make sure that the AC breaker or switch cannot be unintentionally closed during installation and commissioning works Unscrew the two screws and remove the cover Insert the communication card into the slot 22 Screw on the cover to complete the installation 1 2 2 RS 485 card L 2b om _ _ gt ee E ER Jumper block CN2 is for the terminal resistor function Short pins 1 and 2 to enable the function Short pins 2 and 3 to disable it Jack CNS is the RS 485 terminal Definition CN2 1 gt Ground 2 gt A Data 3 B Data 33 7 2 3 USB card 7 2 4 True Relay Contact Board DCE B card 7 2 3 1 Jack CN is for USB 7 2 4 1 Pin assignments of the 10 pin terminal 7 2 3 2 Definition 7 2 3 3 C li ith USB ion 1 0 and 1 5 Mbps 7 2 3 4 hat with USB HID Version 1 0 ps 1 2 3 4i5 e 7 8 7 2 3 5 Pin assignments Pin 1 Utility voltage is abnormal 1 2 VCC 45 V Pin 2 PV array voltage is normal Pin 3 PV array voltage is abnormal 2 gt D Pin 4 Utility frequency is abnormal 3 gt DF Pin 5 Anti islanding 4 gt Ground Pin 6 Inverter output current exceeds range Pin 7 Heat sink temperature
4. in Figure 3 Figure 3 Step 5 Reattach the cover and evenly tighten the four screws Warning To prevent risk off electric shock ensure that the ground PE wire is properly earthed before operating the PV inverter Suggested AC cable width nee mm 16 4 4 2 Status identification of the DC input switch Before operating the DC input switch make sure of status identification as below instructions Turn the DC switch 90 to the on position position I shown in Figure 4 Turn the DC switch 180 to the off position position 0 shown in Figure 5 Input Switch Input Switch Figure 4 Figure 5 17 4 4 3 Connecting the PV array DC 4 4 3 1 PV array requirements The ES 6000 ES 8000 ES 10000 ES 12000 PV inverter is designed to be connected to an array of up to two PV strings The two PV strings can contain different numbers of PV modules 4 4 3 2 Wiring to the PV array The PV inverter is equipped with PV quick connects for connecting up to two PV strings as shown in Figure 6 N Caution Before connecting to PV modules please install a separate circuit breaker between PV inverter and PV modules PV Quick Connects RUAUKUL WORKI NUMAN LISA AAAI L L Lj AN IA S LAL INU BE LI A AnA 7 Figure 6 18 When matching PV strings to the PV inverter to determine the number of panels required in each PV string panels connected in series y
5. input over voltage ALO7 BOOSTER B input under voltage ALO8 AL 13 AL10 AL23 tility under frequency Anti islanding Utility phase failure Isolation fault PV Inverter is under initialization The utility voltage is greater than or less than the permissible values The utility frequency is greater than or less than the permissible values Over or under voltage at DC input No utility or utility failure Leakage current on the ground conductor is too high The impedance between PV and PV and ground is less than 1 MQ PV Inverter is under initialization 40 1 2 3 4 Wait for 1 minute If the grid returns to normal then the inverter automatically restarts Check the grid connection such as wires and connectors Make sure the grid voltage and frequency meet the specifications If the error code keeps recurring contact your local distributor for help Disconnect ALL PV and PV cables Ensure that the open PV voltage is outside the 300 1000 VDC range If PV voltage is normal and the problem still occurs contact your local distributor for help Disconnect ALL PV and PV cables Check the grid connection such as wires and connectors Check for grid usability If the utility is normal and the error code keeps recurring contact your local distributor for help Unplug the PV generator from the input Check the AC per
6. 5 Efficiency Data Max Efficiency Euro Efficiency Environmental Fg SQ 0O ES S 5 a 99 A 3 3 S D m o T m D Overvoltage DC side category IEC 60664 1 AC side Mechanical Imc z a c al Ig 3 2 a o 2i T a 5 wn z x a x J 5 z TN 5 2 UY e OQ8 8 S Q ala e e zx sle B s o fb S o Js a d bos c gt CIC O DJa S EIE 5g Sle go o DC Connector Communication RS 232 amp RS 485 11 Contact Interfaces USB RS 485 Dry contact TCP IP WiFi Boost input Voltage Boost input Current Boost input Power AC output Voltage AC output frequency AC output current AC output power AC Energy yield Inner Temperature Ablerex Electronics Co Lid Heat sink Temperature Status message Error message 1F No 3 Lane 7 Paokao Rd Hsintien Green OAN Standby or Sleeping mode 23114 Taipei Hsien Taiwan On Normal Operation Up key Down key Function key Enter key Over under Voltage Over under Frequency Ground fault DC Isolation fault Islanding operation Passive Voltage phase jump detection detection Active Reactive power control Over temperature Downgraded output power VDE 0126 1 1 VDE AR N 4105 AS 4777 2 3 VDE 0126 1 1 ENEL 2010 G83 1 VDE AR N 4105 EN 62109 1 EN 62109 2 EN 60730 AS 3100 EN 61000 6 1 EN 61000 6 2 EN 61000 6 3 EN 61000 6 4 EN 61000 3 2 EN 61000 3 3 On Grid Performance Note 1 This produc
7. 5 BOOSTER_A Over current on the DC side This over current fault code is displayed if the current Er26 BOOSTER_B in the DC network is larger than over current specified Remove the short circuit i occurring at the EPO terminal Er06 EPO ELM on mode If the error code keeps Janey i recurring contact your local distributor Over current on the AC side This Inverter output fault code is displayed if the current over current in the AC network is larger than specified Overload on the AC side This fault i Loe AE then Er11 Inverter overload code is displayed if the load in the M on dsl E nd th AC network is larger than specified SUM EA Ll dE B Inverter short grid conditions circuit Short circuit on the AC side If the error code keeps The phase of the inverter cannot FeCHMING Contact OT De Er14 Inverter PLL failure synchronize with the utility distributor for help The DC component of the electricity fed into the grid is larger than the permissible range Er08 oO Inverter output DC current over spec 1 Try to reduce the ambient temperature 2 Move the inverter to a cooler Inverter Over The internal temperature is too temperature high ESES A N cO 39 Table 3 Grid fault alarm codes and descriptions ALOO Utility over voltage ALO1 Utility under voltage ALO2 Utility over frequency U ALOS ALOA BOOSTER_A input over voltage ALO5 BOOSTER_A input under voltage ALOG BOOSTER B
8. A 6 2 2 Input DC voltage of string B H 24 25 6 2 3 6 2 6 6 2 7 Input DC current of string A Input DC current of string B l Z ob I Output power of booster A R50D Output power of booster B psit Output voltage A of the inverter utility voltage 26 6 2 8 Output voltage B of the inverter utility voltage 2j 6 2 13 Output current C supplied to the load 6 2 16 Inverter inner temperature in either T or F or display change from scroll up and scroll down 6 2 17 Heat sink temperature in either T or f or display change from scroll up and scroll down 6 3 Inverter status indicators The PV inverter starts up automatically when DC power from the PV array is greater than 250 VDC Once the PV inverter starts it enters into one of the following modes Operation The PV inverter is working normally Whenever the PV array voltage is within range 300 1 000 VDC the PV SH oes inverter passes power to the grid as On Ern LI generated by the PV array In normal mode the green LED shines to indicate that the inverter is feeding power to the grid If the voltage is insufficient 250 300 Standby VDO the PV inverter enters into standby mode The internal intelligent controller ra continuously monitors and adjusts the system status If the PV inverter E encounters unexpected conditions rror such as grid problems or internal fai
9. Grid Tie Solar Inverter EnerSolis Series ES 6000 ES 8000 ES 10000 ES 12000 Three Phase 6 8 10 12 kW User s Manual VERSION 1 1 10 11 Contents oci eie 2 IMPORTANT SAFETY INSTRUCTIONG c cccccecsceseeeeesneeseeseessoseeeees 3 GU M E 6 3 1 EX eral GIMGCNSIONS ta3 one c TP A ate 6 3 2 External features einne uan iul aE 7 IPSUM AMON sa a a a atc een 8 4 1 CUDA MING sau nedicenmnesnwaone sae cnacuaduntaeeiaduntorysuessea sae NN 8 4 2 Installation requirements eeeeeseseeeeeeeeennneenn nnn 9 4 3 MOUNTING TAG UNIT eo 11 4 4 FICCINICal INStAN At ON eee 14 Front display panel 5 eat E tete ra eere ea ete aae ena g a EE dues 21 Sa WAC IAVEIER US m D eee ouhaae ee 23 6 1 Start up and operation te St cccccceccceeecsseseeeeeeseeeeeeeeeeeeeeeesaaaeeeees 23 6 2 Checking values measured by the inverter 25 6 3 Inverter status indicators seeeseseessesesseeeeneennn nnns 29 GommutriicallominteliaeSaist xci b exte uc lebe usse edes es Metas onl anayadeceees 30 7 1 Standard communication interfaces eee eceeeeeeeeeeeeeeeeeeeeeeaeeeees 30 7 2 Optional communication CAIC cccccseeeeeeeeeeeeeeeeeeeaaeeeeeeeesaeeeeeeeas 32 Remotely Communication eesssssessseseseeee ener nnns 37 Inverter status diagnostics and ePAI cccceeecc
10. ddition to the inverter itself v accessories set cover PV connector v CD ROM v Awall mount kit set backrest and backplane positioning paper x2 4 2 Installation requirements The PV inverter is heavy Take this weight into account when choosing the installation To ensure proper operation and long operating life CET position the inverter according to requirements 1 ES 6000 ES 8000 ES 10000 ES 12000 are designed to comply with Index of Protection class 65 which allows units to be installed in outdoor and wet environment The PV inverter is designed for outdoor installation It should be installed in a place here it is not exposed to direct sunlight The yield of the PV system may be reduced at increased installation site and method of ao the following T 20C 60 C Relative humidity hon condensation 0 100 ambient temperatures or when installed in poorly ventilated and warm indoor locations We recommend an ambient temperature range of 20T to 60 2 The PV inverter is designed to be mounted on a vertical wall If installing the 4 3 Mounting the unit unit outdoors make sure that it is not slanting forward For vertical installation and installation on solid concrete or block walls when We advise against installing the unit in a horizontal position outdoors selecting the mounting hardware be sure to take into account the weight of the PV inverter 422
11. e l The data check failed between two temperature high recurring contact your local place Er18 Heat sink over The heat sink temperature is too 3 If the error code keeps distributor for help which are internal to the inverter Whenever the diagnostic system identifies a particular issue the respective service code is displayed on the LCD Table 2 Inverter error codes and descriptions The inverter is in the soft start DC BUS procedure but the DC bus cannot pre charge failure reach and maintain anticipative charging voltage 2 g The DC bus voltage is lower or DC BUS higher than expected Er27 Booster Short Short current on the DC side FOCUN C OMAGE yuk local Circuit distributor for help Current sensor fault on the stringA Boost A Sense fault of DC side Boost B Sense Current sensor fault on the stringB Er42 l fault of DC side er ees moe Current sensor fault on the AC side Dj t ALL PV 4 and 1 Check the fans Disconnec an 2 If the error code keeps PV cables Er37 Fan fault A fan is not rotating recurring contact iur ical under voltage Wait for a few seconds distributor for help EEPROM ERROR After the LCD switches off Er17 on the control EEPROM data is wrong reconnect and check again board If the error code keeps recurring contact your local Output relay failure e i OUIPUETELAJIS distributor Output current The inverter s output current fails to Er24 l sense failure be detected Er2
12. ecseeeeeeeeeeeeeseeeeeeeeeeeesaeeeeeeas 38 DP SCI CANONS D 41 COMMA Ea I m 43 1 Foreword Thank you for purchasing the EnerSolis ES 6000 ES 8000 ES 10000 ES 12000 Grid Tie Solar Inverter Many years of experience in the design of power devices have gone into the construction of this device We hope that it will give your solar power system many years of trouble free operation However the inverter is a complex electronic system which is confronted with a wide variety of local conditions so if questions arise or a malfunction occurs do not hesitate to call your specialized dealer for assistance Please read this user s guide carefully to familiarize yourself with the device paying special attention to the information on installing and commissioning the device 2 IMPORTANT SAFETY INSTRUCTIONS mGeneral A This manual contains important instructions for the ES 6000 ES 8000 ES 10000 ES 12000 that must be followed during installation and maintenance of the inverter A mHousing e Only qualified installers are authorized to open the connection area Do not open the connection area when the inverter is connected to power Only well trained service staff may open the upper portion power stage of the inverter and only when it is not connected to power a Warning Below warning symbols are described according to related sections Caution risk of electric shock Caution
13. ipheral system After the problem is cleared re plug the PV generator Check the PV inverter status If the error code keeps recurring contact your local distributor for help Disconnect ALL PV and PV cables Check the impedance between PV and PV and ground The impedance must be greater than 2 MQ If the error code keeps recurring contact your local distributor for help 10 Specifications ES 6000 ES 8000 ES 10000 ES 12000 Sine wave Current source High frequency PWM Conversion Mode Isolation Method DC Input Data Nominal DC Voltage Max DC Input Voltage MPP Voltage Range 300 1 000 VDC Max DC Input current 2 x 8 5 Amp 2 x 14 3 Amp MPP Tracker 2 SC 35A AC Output Data Nominal AC Power 6 000 Watt 12 000 Watt 50 60Hz Auto Selection 45 0 55 0Hz or 57 0 63 0Hz Leading 0 9 Lagging 0 9 Total Harmonic Current Less than 5 Single Harmonic Current Less than 3 97 60 96 20 96 60 97 00 97 25 20 C to 60 C 4 F to 139 F Category II Category II 0 to 100 Without condensation 0 2 000 m 0 6 600 ft 451 x 595 x 247 17 7 x 23 4 x 9 72 0 A784 0 A S 4 Inverter SERIEM Transformer less Design 620 VDC 1 000 VDC Max AC Apparent Power Nominal AC Voltage AC Voltage Rang Frequency Z O D e E 3er z s 5 S 5 NEJE E er a lt z m xx 2 Q Power Factor c i m D z er e n c d O
14. is too high Pin 8 Common 7 2 4 2 The capacity of each relay contact is 40 VDC 25 mA 7 2 4 3 Flexible signal output for N C normally closed or N O normally open contact by shorting pins 1 2 or pins 2 3 on jumper block JP1 5 34 35 7 2 5 TCP IP Cards 7 2 5 1 TCP IP Ethernet card 7 2 5 2 For installation please refer to the user s manual included with the card 7 2 6 WiFi Cards 7 2 6 1 For installation please refer to the user s manual included with the card 36 8 Remotely Communication 8 1 Grid PV Inverter is equipped with power remotely communication interface and options User can use software to monitor the status of inverter with PC with the following options 8 1 1 RS485 To use it you have to remove the R8485 cover on bottom side of Inverter It is a DB8 socket For the pin definition please refer to 7 1 2 8 1 2 Wired Ethernet To install TCP IP card please refer to 7 2 5 8 1 3 Wireless Ethernet To install WiFi card please refer to 7 2 6 37 9 Inverter status diagnostics and repair The PV Inverter is equipped with a self diagnostic system that automatically identifies many possible operational issues and displays information about them Slave MCU failure Slave MCU failure on the LCD Therefore it is possible to quickly isolate technical problems and to pes dtu distinguish between service codes related to the installation and service codes J i Charger fault DC BUS pre charge failur
15. lar Panel String B For a single PV string enter settings mode and configure for parallel operation Siaa AAN Solar Panel String A Figure 7 DC connections for a two string PV array 20 5 Front display panel ENERSOLIS o0 8 6 7 Symbols on the LCD ERE ie Inverter operation mode flow chart n n w LI BBBH 4 digit measurement display a mia wt oC 21 LED Indicators 8 Red LED shines steadily to indicate a ground fault or DC input isolation fault Yellow LED shines steadily to indicate that the utility does not match the input standard of the inverter voltage frequency etc Green LED shines steadily when the solar power is greater than sleep power It flashes when the solar power is less than sleep power Control Keys amp Special functions and log in out Go to next page ole Confirm change of inverter setting 22 6 Starting the inverter Before the inverter is started ensure the following The wire terminal cover is securely screwed on The AC breaker is OFF The DC cables PV strings are fully connected The AC utility cable is connected correctly 6 1 Start up and operation test 6 1 1 6 1 2 B1 B2 Connect the PV string voltage by switching on the DC switch referring to section 4 4 2 Figure 4 The inverter starts automatically when it senses DC voltage greater than 250 VDC All of the LEDs will shine The LCD will display drawing A LINE
16. lure it will display relevant information on the LCD and the red LED will shine Emergency Power Off mode In this EPO mode the PV inverter does not take any power from the grid In case of little or no sunlight the PV inverter automatically stops running In this mode the PV inverter does not Shutdown take any power from the grid The LCD and all of the LEDs on the front panel do not work 29 7 Communication interfaces RS 485 pin assignments are as follows 7 1 Standard communication interfaces 7 1 1 RS 232 interface definition TATE PIN 4 EPO GND The RS 232 interface must be configured as follows PIN 5 E EPO Baud Rate 9600 bps PIN 7 485 A Data 22a Pugin PIN 8 485 B Data top Bit 7 1 3 EPO Emergency Power Off RJ45 connector RS 232 Pin assignments are as follows The connector is male g y To activate EPO pin 4 and pin 5 must be shorted ajc a NO AO Make sure the RJ45 plug is properly Pin 2 RS 232 Rx attached to the wire Pin 3 RS 232 Tx LII of Ensure that the EPO function operates Pin 5 Ground properly with your application by testing the inverter while it is injecting current Check that the inverter stops injecting current ONO 0000 7 1 2 RS 485 interface definition The RS 485 interface must be configured as follows Baud Rate 9600 bps Data Length top Bit 30 31 7 2 Optional communication card 7 2 1 Hardware installation procedure Caution Risk of
17. ou must ensure that the following three requirements are met 1 To avoid damage to the inverter make sure that the maximum open circuit voltage Voc of each PV string is less than 1 000 VDC under any conditions Voltage over 1 000 VDC will damage the inverter 2 Do not exceed the maximum array short circuit current rating marked on the inverter 3 To harvest maximum energy from your array ensure that the Vmp voltage at maximum power does not drop below 450 VDC or increase above 850 VDC under most conditions To wire the PV array to the PV inverter follow these steps Step 1 Set the DC input switch to 0 Turn the DC input switch to off position referring to section 4 4 2 Figure 5 Step 2 Check that the PV generator connectors have the right polarity and do not exceed the maximum string voltage Step 3 Connect the POSITIVE wire from the 1 PV string to the PV inverter s positive terminal Step 4 Connect the NEGATIVE wire from the 1 PV string to the PV inverter s negative terminal Step 5 Connect the ground wire from the 1 PV string to earth Step 6 If necessary repeat steps 2 through 5 for the 2 PV string Double check that the wires are in the proper locations Suggested DC cable width Area mm ES 6000 ES 8000 ES 10000 ES 12000 19 4 4 3 3 Requirements for connection The number of solar panels in String A need not equal the number in String B Solar Panel String A So
18. rements Before connecting the PV inverter to the grid permission for the connection must be granted by the utility company 5 3 Overview 3 2 External features 3 1 External dimensions W a A A EnNERSOLIS Ios Z EIC d ISA E POSU KLDOEOCNU LIES o o JAAS MOA KJLA2E3ESL TU paoia Front view Bottom view Model number ES6000 ES8000 ES10000 ES 12000 2 6 3 Dimensions mm 1 LCD and LED display Shows operation information and status 451 451 451 451 2 Solar array input plug and play connectors for the solar modules 595 595 995 3 Standard communication ports EPO RS 232 and RS 485 247 247 247 4 Optional communication slot USB RS 485 Dry Contact TCP IP or WiFi 5 AC output terminal AC output for the utility supply 6 DC input switch switches the PV string inputs on and off 4 Installation Warning Be sure to read the safety instructions on pages 3 and 4 before installing the PV inverter 4 1 Unpacking Inspect the PV inverter upon receipt The packaging is robust but accidents and damage may still occur during shipment Notify the forwarder and dealer if there is damage The packaging is recyclable and reusable After removing the inverter from the carton check for the following standard package contents in a
19. risk of danger Caution hot surface The PV inverter surface temperature of the casing can exceed 70 C Caution risk of electric shock Energy storage timed discharge 2min30S Refer to the operating instructions mRepair Only well trained service staff are authorized to carry out repairs to the inverter aSolar panels Before connecting the solar panels also called photovoltaic PV modules you must check whether the voltage parameters specified in the manufacturer s data correspond with the actual parameters When checking the voltage please take into account that solar modules supply a higher no load voltage when temperature is low and sunlight level remains unchanged At 4 F 20 C the open circuit voltage of the PV modules must never exceed 1 000 V The data sheet of the solar module will include the temperature factors applicable for ascertaining the theoretical open circuit voltage at 4 f 20 C If the solar modules exceed an open circuit voltage of 1 000 V the PV inverter might be damaged which will void the warranty The PV inverter includes a residual current monitoring unit RCMU according to VDE0126 1 1 This device measures the ground current of the PV array and prevents the inverter from feeding the grid in case of a ground fault mGrid connection Only appropriately licensed contractors are authorized to connect the PV inverter to the grid Consult your local authorities for specific requi
20. t can cause current with a d c component Where a residual current operated protective RCD or monitoring RCM device is used for protection in case if direct or indirect contact only an RCD or RCM of Type B is allowed on the supply side of this product 2 The PV modules must be have an IEC 61730 Class A rating 42 43
21. the DC breaker or switch installed between the PV Inverter and the PV array Note Please use Ue 1000Vdc le 25A circuit breaker ii When working on the PV inverter disconnect the AC breaker or switch and DC breaker or switch m Make sure that the AC breaker or switch and DC breaker or switch cannot be unintentionally closed during installation and commissioning works The electrical connections for the PV inverter are shown in Figure 1 Optional communication AC connection String A String B Figure 1 14 4 4 1 Connecting to the grid AC utility N Caution Before connecting to Grid AC utility please install a separate circuit breaker between inverter and Grid To connect the AC power cable proceed as follows Step 1 Measure the grid s i e the utility s voltage and frequency The voltage and frequency of the inverter are set at the factory to match the utility in the country where the product will be delivered Step 2 Before wiring the PV inverter ensure that the main breaker in the primary utility breaker box is switched OFF Switch this breaker ON only after all wiring is completed as instructed below Step 3 Remove the screws that secure the wire terminal cover and carefully remove the cover Alternatively remove the connector as shown in Figure 2 Figure 2 15 Step 4 Insert the utility cable through the cable gland Connect the wires to the terminal block as shown
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