ZUCCHETTI 3PH 10KTL-15KTL-V2 User Manual Download Page 1

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Ident

ific

ion:

-AL

-GI

-00

/03

/202

Appl

ion:

Reg. Pile IT12110P00002965 -

Share Capital € 100,000.00 fully paid up

AR Company Reg. no. 03225010481 - REA AR no. 94189
ISO 9001 Certified Company - Certificate no. 9151 - CNS0 - IT-17778

Zucchetti Centro Sistemi S.p.A. - Green Innovation Division
Via Lungarno, 248 - 52028 Terranuova Bracciolini - Arezzo, Italy
tel. +39 055 91971 - fax. +39 055 9197515
[email protected] - [email protected]

–

www.zcsazzurro.com

Grid-connected inverter

3PH 10KTL-15KTL-V2

User Manual

Summary of Contents for 3PH 10KTL-15KTL-V2

Page 1: ...225010481 REA AR no 94189 ISO 9001 Certified Company Certificate no 9151 CNS0 IT 17778 Zucchetti Centro Sistemi S p A Green Innovation Division Via Lungarno 248 52028 Terranuova Bracciolini Arezzo Ita...

Page 2: ...stallation 21 3 3 Installation tools 22 3 4 Installation position 25 3 5 Moving the 3PH 10KTL 15KTL V2 inverter 26 3 6 Installing the 3PH 10KTL 15KTL V2 inverter 27 4 Electrical connections 29 4 1 Ele...

Page 3: ...cation 87 10 1 4 Troubleshooting 91 10 2 Ethernet adapter 96 10 2 1 Installation 96 10 2 2 Verification 98 10 2 3 Troubleshooting 100 10 3 4G adapter 101 10 3 1 Installation 101 10 3 2 Verification 10...

Page 4: ...ower supply and battery pack to the Datalogger 122 10 4 7 5 Connecting the LM2 485 PRO cell irradiance and temperature sensor to the datalogger 123 10 4 8 Configuring the Datalogger 124 10 4 8 1 Confi...

Page 5: ...nt Copyright statement Copyright of this manual belongs to Zucchetti Centro Sistemi S p A No part of this manual including the software etc may be copied reproduced or distributed in any form or by an...

Page 6: ...lers technicians electricians technical support personnel or anyone who is qualified and certified to operate a photovoltaic system who are responsible for installing and starting the inverter in the...

Page 7: ...ardous situation which if not resolved or avoided could result in minor or moderate personal injury Caution Attention indicates a potentially hazardous situation which if not resolved or avoided could...

Page 8: ...ections are carried out by a qualified electrician Contact the nearest authorised service centre for any repairs or maintenance Contact your distributor for information on the nearest authorised servi...

Page 9: ...1 Do not lose or damage this manual Transport requirements If you encounter problems with the packaging or if you find any visible damage please notify the transport company immediately If necessary r...

Page 10: ...rator and that all the electrical connections are made by a professional electrician Attention Do not remove the information label or open the inverter Otherwise ZCS will not provide any warranty or m...

Page 11: ...s of the inverter without permission This will void the warranty Zucchetti Centro Sistemi S p A shall not be responsible for any damage or loss caused by these actions Attention 1 2 Symbols and icons...

Page 12: ...e may be present on the inverter Before opening the inverter wait 5 minutes to ensure that the capacitors are completely discharged Beware of high voltage Beware of high temperatures Complies with the...

Page 13: ...converting the direct current generated by the photovoltaic strings into three phase sine wave alternating current and feeding the energy to the public electricity grid An AC circuit breaker see relat...

Page 14: ...10KTL 15KTL V2 inverters are compatible with grid configurations TN S TN C TN C S TT IT For the type of TT electrical grid the voltage between neutral and ground must be less than 30V The figure belo...

Page 15: ...DC switch 2 Anti condensation valve 3 6 DC Connector 7 Wi Fi connector GPRS 8 DRM0 Inputs 9 ARPC Inputs 10 11 RS485 Micro SD 12 AC cable entry The inverter model must be chosen by a qualified technici...

Page 16: ...16 130 User s Manual 3PH 10KTL 15KTL V2 Rev 1 1 15 03 2021 Identification MD AL GI 00 Rev 1 1 of 15 03 2021 Application GID Figure 5 Front side and back view of the inverter and bracket...

Page 17: ...tioning properly At the same time the control board can activate the protection relay in order to protect the internal components Operating principles The DC switch disconnects the internal circuits f...

Page 18: ...ing the active power fed into the grid If properly set the inverter can limit the amount of active power fed into the grid at the desired value expressed as a percentage To achieve this limitation it...

Page 19: ...sors it is sufficient for one of the two to detect a fault in order to trigger the protection resulting in separation from the grid and shutdown of the operation C Grid monitoring Continuous monitorin...

Page 20: ...inverter when handling and transporting the inverter Choose an appropriate mounting position and surface Assign at least two people to install the inverter Attention A Installation Process This secti...

Page 21: ...pen the box containing the inverter and contact the supplier and transport company as soon as possible It is recommended to remove the packaged materials from the box 24 hours before installing the in...

Page 22: ...ion plugs 1 Warranty Registration 1 user manual 2 warranty 3 3 Installation tools The following tools are required for installation of the inverter and electrical connections therefore they must be pr...

Page 23: ...ket and to open the front cover of the inverter 7 M5 socket wrench To tighten the bolts 8 RJ45 crimping tool To crimp the RJ45 connectors for the communication cables 9 Rubber hammer To insert the exp...

Page 24: ...ool To crimp the power cables 16 Multi meter To check the voltage and current values 17 Marker pen To mark the wall for better fixing precision 18 Measuring tape To measure distances 19 Level To make...

Page 25: ...cation MD AL GI 00 Rev 1 1 of 15 03 2021 Application GID 3 4 Installation position Choose an appropriate installation location for the inverter Follow the requirements below to determine the installat...

Page 26: ...t is installed at a height of more than 180 cm from the ground Inverters installed at higher heights must be moved to the ground before they can be repaired or serviced 3 5 Moving the 3PH 10KTL 15KTL...

Page 27: ...floor make sure to place a support under the unit to protect its front door Attention 3 6 Installing the 3PH 10KTL 15KTL V2 inverter 1 Correctly position the mounting bracket on the wall using a level...

Page 28: ...lace the inverter on the mounting bracket 5 Secure the inverter to the mounting bracket with the M4 bolt to ensure stability 6 OPTIONAL Depending on the customer s requirements the inverter can be loc...

Page 29: ...sunlight which can pose a risk of electric shock Before connecting the DC input power cord be sure to disconnect the strings via the appropriate circuit breakers Danger The maximum open circuit voltag...

Page 30: ...sitive and negative polarities of the photovoltaic string do NOT need to be grounded Otherwise the inverter may fail All non current carrying metal parts such as the PV module frame PV rack housing of...

Page 31: ...ternal insulation layer using a wire stripper as shown in Figure below Note L2 is approximately 2 3 mm longer than L1 Figure 15 Preparing the ground cable 1 2 Insert the exposed wires in the OT termin...

Page 32: ...ng on how the system was designed The user can choose the appropriate MPPT operating mode Independent mode default If the strings are independent e g installed on two separate flaps the input model mu...

Page 33: ...stem only has one string If the strings are arranged in parallel it is recommended to use a Y or T connection cable to double the input currents from the PV array and to populate all the MPPT inputs o...

Page 34: ...the input terminal block Attention Before connecting the power supply be sure to disconnect the generator s DC switch When exposed to the sun the photovoltaic generator produces a voltage that can be...

Page 35: ...es The DC input connectors MC4 are classified into positive and negative connectors as shown in the figures below Figure 18 Positive 1 and negative 2 MC4 connectors Note The positive and negative meta...

Page 36: ...ative power cables in the positive and negative metal terminals respectively and crimp them using a suitable tool Make sure that the cables are secured so that they cannot be pulled out with a force o...

Page 37: ...cedure To remove the positive and negative connectors from the inverter insert a removal tool in the bayonet coupling and press the tool with adequate force as shown in the figure below Before removin...

Page 38: ...to operate In Italy each grid connected photovoltaic system with a power output of more than 11 08 kW must be equipped with an external interface device SPI Warning Context All the AC power cables us...

Page 39: ...ition the AC cable must be correctly sized to ensure that the loss of power on the cable is less than 1 of the rated power and to ensure the proper functioning of the anti islanding protection The cab...

Page 40: ...te length of the protective sheath as shown in the figure Then insert the AC output cable through the waterproof cable gland Figure 25 Connecting the AC output cables 2 3 Connect the AC power cable ac...

Page 41: ...put cables 3 4 Secure the clamping cable gland by turning it clockwise make sure that all the wires are securely connected 4 5 Connecting the communication cables The 3PH 10KTL 15KTL V2 inverters have...

Page 42: ...lug and cable screw nut as shown in the figure below Figure 28 Connector for communication via 485 port When passing the communication cables make sure that they are separated from the power cables an...

Page 43: ...the communication connector 4 Crimp the plug using the RJ45 crimping tool 5 Insert the plug into the RS485 port on the inverter 6 Insert the cable seal in the lodging and tighten the nut Figure 30 Ass...

Page 44: ...mpare the voltage of each string connected to the same MPPT if the difference is more than 3 the PV string may be damaged The maximum DC voltage if the minimum operating temperature allowable is reach...

Page 45: ...s very important to select the correct country code according to the requirements of the local authorities If in doubt consult the system engineer or a qualified electrician Zucchetti Centro Sistemi S...

Page 46: ...0KTL 15KTL V2 inverters 6 1 Operating panel and display Buttons and LED indicators Figure 31 LCD display with buttons and LED indicators Main buttons Menu Back to go back or enter the main menu Up to...

Page 47: ...ic differential circuit breaker fault or ID20 device fault Off GFCI in operation automatic differential circuit breaker normal 6 2 Main interface The main LCD interface is used to display the statuses...

Page 48: ...A10 The MPPT SCAN function is on A11 Steady light when the input voltage is higher than 160V A12 Input channel and input voltage in real time A13 Input voltage and current of string 1 and 2 shown alt...

Page 49: ...are and hardware of the inverter are functioning properly The inverter switches to the error state or permanent error state if an errors occur Normal The inverter is functioning normally and is feedin...

Page 50: ...menu which will appear as follows A Press the OK key to enter the Settings menu The Settings menu contains the following sub menu Date and time Select 1 Date and time and press OK to enter the menu f...

Page 51: ...to clear all error warnings present in the List of historical events submenu Press OK to start the procedure the display will show OK if the procedure is successful Set Country Select 4 Set Country a...

Page 52: ...u want to keep the inverter switched off using the Up and Down keys and confirming with OK After setting the Enable option contact the installer to obtain the password for restarting the inverter Rela...

Page 53: ...to move to the next one and confirm If the display shows Incorrect try again press the Back key and enter the password again When the password entered is correct you can enter the menu This operation...

Page 54: ...equested from ZCS technical support Select 12 InitParameters and press OK to enter the menu for setting the start parameters The display will show Enter PWD press OK to enter the password Enter the pa...

Page 55: ...OK to enter the password Enter the password 0001 using the Up and Down keys to select the number and OK to move to the next one and confirm If the display shows Incorrect try again press the Back key...

Page 56: ...xecuted and the inverter will not start producing power if the grounding line is not present and properly connected this setting is active by default on all three phase inverters If option 2 Disable i...

Page 57: ...Setting Select 22 Set P f and press OK to enter the relative menu from which you can change the active power according to the grid frequency required by the local regulations This function may be req...

Page 58: ...TL 15KTL V2 Rev 1 1 15 03 2021 Identification MD AL GI 00 Rev 1 1 of 15 03 2021 Application GID 5 The self test will now start automatically once completed press Down to display the self test results...

Page 59: ...ion of the inverter press the Back key to enter the main menu 2 Press the OK key to enter the Settings menu 3 Press the Down key several times until 26 Standard Self Test is displayed on the screen 4...

Page 60: ...60 130 User s Manual 3PH 10KTL 15KTL V2 Rev 1 1 15 03 2021 Identification MD AL GI 00 Rev 1 1 of 15 03 2021 Application GID...

Page 61: ...ification code the date and time of its occurrence The user can access this interface from the LCD display to check the details of the alarms and alerts Errors will be listed according to the date and...

Page 62: ...menu 2 Serial number Here you can see the serial number of the inverter SW version Use the Up and Down keys in the System Info menu to move and the OK key to enter menu 3 SW version Here you can see t...

Page 63: ...Up and Down keys in the System Info menu to move and the OK key to enter the 10 Power Ratio menu Here you can see whether this function has been enabled or not P f Use the Up and Down keys in the Sys...

Page 64: ...is not supplied with the inverter and must be procured by the installer or customer The complete and detailed procedure for updating the firmware is described below Update requirements 4 Gb MicroSD c...

Page 65: ...ill appear on the display COMMUNICATE FAIL UPDATE DSP1 FAIL or UPDATE DSP2 FAIL in this case switch off the inverter wait one minute and restart the procedure from point 7 11 Once the update has been...

Page 66: ...ation Are the display panel and flat communication cable correctly connected and not damaged Follow the steps below to display the recorded alarms Press Menu Back to enter the main menu from the stand...

Page 67: ...of the PV string so that it falls within the input voltage range of the inverter ID06 Vlvrtlow LVRT function error Check the AC grid connections and if they are correct contact technical support ID07...

Page 68: ...as temporary faults If the fault occurs frequently check whether the mains voltage and frequency are in an acceptable range If not contact technical support Otherwise check the conditions of the AC sw...

Page 69: ...n it back on again Check that the fault is no longer present If this is not the case contact Technical Support ID27 VbusUnbalance The bus voltage is not balanced ID28 DciOCP The DCI is too high Check...

Page 70: ...faults of the inverter turn off the DC switch wait 5 minutes and then turn it back on again Check that the fault is no longer present If this is not the case contact Technical Support ID50 Consistent...

Page 71: ...lt_Boost The boost temperature is too high ID59 OverTempFault_Env The ambient temperature is too high ID60 PEconnectFault Incorrect grounding Check that the grounding is correct ID61 InvTempDiffFault...

Page 72: ...ut current is too high and has caused an irreparable fault ID74 ID77 are internal faults of the inverter turn off the DC switch wait 5 minutes and then turn it back on again Check that the fault is no...

Page 73: ...nderFrequency Derating The inverter has been derated because the grid current is too low The inverter automatically reduces the output power when the frequency of the electrical grid is too low ID89 R...

Page 74: ...maintenance In any case for proper long term operation of the inverter make sure that the heatsink for cooling the inverter has enough space to ensure adequate ventilation and that it is not obstructe...

Page 75: ...l Zucchetti Centro Sistemi S p a is not liable for the disposal of the equipment or parts thereof that does not take place according to the regulations and standards in force in the country of install...

Page 76: ...76 130 User s Manual 3PH 10KTL 15KTL V2 Rev 1 1 15 03 2021 Identification MD AL GI 00 Rev 1 1 of 15 03 2021 Application GID 9 Technical specifications...

Page 77: ...sier as there is no need to open the front cover of the inverter In order to monitor the inverter the RS485 communication address must be set to 01 directly from the display Installation tools Cross s...

Page 78: ...r 4 Switch on the inverter by following the procedure described in the manual 10 1 2 Configuration Configuration of the Wi Fi adapter requires the presence of a Wi Fi network near the inverter in orde...

Page 79: ...Wi Fi signal does not reach the inverter a system must be installed to amplify the signal and bring it to the installation location 1 Activate the search for the Wi Fi networks on your telephone or P...

Page 80: ...Fi adapter i e AP_ where indicates the serial number of the Wi Fi adapter shown on the label of the device which operates as an access point Figure 38 Connection to Access Point for Wi Fi adapter on...

Page 81: ...AL GI 00 Rev 1 1 of 15 03 2021 Application GID Figure 39 Password of external Wi Fi adapter Note To ensure that the adapter is connected to the PC or smartphone during the configuration procedure enab...

Page 82: ...in the Wi Fi connection even if the internet is not available Figure 41 Screen indicating that the Internet cannot be accessed 4 Open a browser Google Chrome Safari Firefox and enter the IP address 10...

Page 83: ...tion fields are filled in with the inverter information The language of the page can be changed using the command in the top right hand corner Figure 43 Status screen 6 Click on the Wizard setup butto...

Page 84: ...ing the available wireless network 1 8 Enter the password of the Wi Fi network Wi Fi modem clicking on Show Password to make sure it is correct the password should not contain special characters and s...

Page 85: ...fication MD AL GI 00 Rev 1 1 of 15 03 2021 Application GID Figure 45 Screen for entering the password of the wireless network 2 9 Click Next again without ticking any of the options relating to the sy...

Page 86: ...OK Figure 47 Final configuration screen 4 11 At this point if the configuration of the adapter is successful the last configuration screen will appear and the telephone or PC will unpair from the inv...

Page 87: ...Figure 48 Successful configuration screen 10 1 3 Verification Wait two minutes after configuring the adapter and then go back to the Wi Fi network selection screen to verify that the AP_ network is no...

Page 88: ...e iOS and Android Access point of the Wi Fi adapter is no longer visible If the Wi Fi network is still present in the list connect to it again and enter the status page Check the following information...

Page 89: ...2021 Identification MD AL GI 00 Rev 1 1 of 15 03 2021 Application GID Figure 50 Status screen Status of LEDs present on the adapter 1 Initial status NET left LED off COM central LED steady on READY r...

Page 90: ...the Status page still shows Not Connected the configuration was not successful i e the wrong router password was entered or the device was disconnected during connection It is necessary to reset the...

Page 91: ...dapter 1 Irregular communication with inverter NET left LED steady on COM central LED off READY right LED flashing on Figure 54 Irregular communication status between inverter and Wi Fi Check the Modb...

Page 92: ...he two cross head screws provided Check that the Wi Fi symbol is present in the top right hand corner of the inverter s display steady or flashing Figure 55 Icons on the display of LITE single phase i...

Page 93: ...open and enabled to send data Reset the adapter as described in the previous section If at the end of the previous checks and subsequent configuration Remote server A is still Not Connected or the NET...

Page 94: ...he wireless network SSID or your password select Configure Wi Fi hotspot Figure 57 Configuration of an Android smartphone as a hotspot router Using an iPhone as a modem a In order to share the iPhone...

Page 95: ...oose the one activated by the smartphone and then enter the password associated with it which can be changed from the personal hotspot settings If at the end of configuration Connected appears next to...

Page 96: ...and in operation in order to achieve stable data transmission from the inverter to the server In order to monitor the inverter the RS485 communication address must be set to 01 directly from the displ...

Page 97: ...then insert the network cable network into the appropriate port on the inside of the adapter and tighten the ring nut and cable gland to ensure a stable connection Figure 60 Inserting the network cab...

Page 98: ...work cable to the modem 6 Switch on the inverter by following the procedure described in the manual 7 Unlike Wi Fi cards the Ethernet adapter does not need to be configured and starts transmitting dat...

Page 99: ...Rev 1 1 15 03 2021 Identification MD AL GI 00 Rev 1 1 of 15 03 2021 Application GID Figure 63 Initial status of LEDs 2 Final status NET left LED steady on COM central LED steady on SER right LED flas...

Page 100: ...go to System Info and press ENTER to enter the submenu Scroll down to the Modbus address parameter and make sure it is set to 01 and in any case other than 00 If the value is not 01 go to Settings ba...

Page 101: ...uter brands may have closed communication ports In this case contact the customer service of the router s manufacturer and ask them to open port 80 direct from the network to external users 10 3 4G ad...

Page 102: ...cover for accessing the Wi Fi GPRS connector on the bottom of the inverter by unscrewing the two cross head screws a or by unscrewing the cover b depending on the inverter model as shown in the figure...

Page 103: ...of 15 03 2021 Application GID a b Figure 68 Inserting and securing the 4G adapter 4 Switch on the inverter by following the procedure described in the manual 5 Unlike Wi Fi cards the 4G adapter does n...

Page 104: ...tus of LEDs present on the adapter 1 Initial status NET left LED off COM central LED flashing on SER right LED flashing on Figure 69 Initial status of LEDs 2 Registration NET left LED flashes rapidly...

Page 105: ...LED on Figure 71 Irregular communication status between inverter and adapter Check the Modbus address set on the inverter Enter the main menu with the ESC key first key on the left go to System Info...

Page 106: ...on Figure 72 Irregular communication status between the adapter and remote server Check that the 4G signal is present in the installation location the adapter uses the Vodafone network for 4G transmi...

Page 107: ...e network via an Ethernet or Wi Fi network Datalogger up to 10 inverters code ZSM DATALOG 10 allows to monitor up to 10 inverters It can be connected to the network via an Ethernet or Wi Fi network Fi...

Page 108: ...l block and the plug The serial line can be created using a Cat 5 or Cat 6 network cable or a classic RS485 2x0 5mm2 cable 1 In the case of three phase inverters a suitably crimped network cable with...

Page 109: ...k cable to the RS485 terminal block Figure 77 Connecting the serial line via the RS485 terminal block and via the RJ45 plug For the 3PH HYD5000 HYD20000 ZSS three phase hybrid inverter use only one po...

Page 110: ...is shown on the display of all the inverters This indicates that the inverters are actually connected via the serial line If this symbol does not appear check that the connection is correct as indica...

Page 111: ...Fi please refer to the chapter on monitoring systems as the configuration is similar to that of any type of Wi Fi adapter 10 4 5 Ethernet configuration 1 Insert the RJ45 connector of the Ethernet cab...

Page 112: ...you are connected by removing automatic access Figure 83 Disabling automatic reconnection to a network 4 Connect to a Wi Fi network generated by the datalogger i e AP_ where indicates the serial numb...

Page 113: ...int is not able to provide internet access confirm to maintain the Wi Fi connection even if internet is not available Figure 85 Screen showing that the Internet cannot be accessed 6 Open a browser Goo...

Page 114: ...re 86 Screen for logging into the web server to configure the datalogger 7 The status screen will open showing the datalogger information such as serial number and firmware version Check that the fiel...

Page 115: ...he left hand column 9 Now click on the Start button to start the configuration wizard Figure 88 Screen for starting 1 the Setup Wizard 10 Check the Cable Connection option and then click Next Figure 8...

Page 116: ...0 Rev 1 1 of 15 03 2021 Application GID Figure 90 Screen for automatically obtaining the IP address 5 12 Click on Next without making any changes Figure 91 Screen for setting the security options 6 13...

Page 117: ...figuration screen 7 14 If the configuration procedure is successful the following screen will appear If this screen does not appear try refreshing the browser page The screen will prompt you to manual...

Page 118: ...e correct configuration of the datalogger Enter the IP address 10 10 100 254 again and the login credentials admin for both username and password Once logged in the Status screen will appear where the...

Page 119: ...configuration If the Remote Server A item in the Status page is still Unpingable the configuration was not successful i e the incorrect router password was entered or the device was disconnected duri...

Page 120: ...120 130 User s Manual 3PH 10KTL 15KTL V2 Rev 1 1 15 03 2021 Identification MD AL GI 00 Rev 1 1 of 15 03 2021 Application GID Figure 97 Reset Screen...

Page 121: ...01 M200 and ZSM RMS001 M1000 Devices 10 4 7 1 Mechanical description and Datalogger interface Mechanical Dimensions 127mm x 134 x 52 mm Protection rating IP20 The usable ports are indicated below Figu...

Page 122: ...following router ports VPN ports 22 and 1194 HTTP ports 80 DB ports 3050 FTP ports 20 and 21 The local network of the device is configured for DHCP and it is not necessary to activate any communicati...

Page 123: ...n particular the sensor of the signal cables must be connected in a daisy chain configuration to the remaining devices on the RS485 bus as shown in the table below Datalogger SIDE BUS Signal SENSOR SI...

Page 124: ...on in terms of signal and power supply up to 200m is guaranteed by using the RS485 cable type Te Co 15166 2x2x0 22 1x0 22 st pu For longer distances a connection to the signal side of the datalogger i...

Page 125: ...ger inverter meter or sensors by clicking the button as shown in the figure A window will open where you can search for each type of device connected to the Datalogger after indicating the range of ad...

Page 126: ...ed update the new configuration by clicking Confirm which will allow you to register the devices associated with the datalogger From this moment the datalogger is correctly configured all devices must...

Page 127: ...tration the limit will be equal to 1 an upgrade is required to increase the limit Enter the serial number S N of the datalogger and click Check RMS If the datalogger has been configured correctly a sc...

Page 128: ...you want to set up a static configuration for your Datalogger you can access the internet page via the link RMSxxxxxxxx 8888 as shown in the figure e g RMS00000007 By entering the credentials username...

Page 129: ...ernet the internet connection is only required during installation and configuration of the local monitoring system A static address to be provided by the customer with gateway and subnet mask is avai...

Page 130: ...Identification MD AL GI 00 Rev 1 1 of 15 03 2021 Application GID 11 Warranty terms and conditions To view the Warranty Terms and Conditions offered by ZCS Azzurro please refer to the documentation in...

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ZUCCHETTI 3PH 10KTL-15KTL-V2, User Manual

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