ZUCCHETTI 50000TL User Manual Download Page 1

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Ident

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Reg. Pile IT12110P00002965 -

Capitale Sociale € 100.000,00 I.V.

Reg. Impr. AR n.03225010481 - REA AR - 94189
Azienda Certificata ISO 9001 - Certificato n. 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

50K – 70K TL

User Manual

V1.1 (07-06-2019)

Summary of Contents for 50000TL

Page 1: ...1 REA AR 94189 Azienda Certificata ISO 9001 Certificato n 9151 CNS0 IT 17778 Zucchetti Centro Sistemi S p A Green Innovation Division Via Lungarno 248 52028 Terranuova Bracciolini Arezzo Italy tel 39...

Page 2: ...dure 21 3 2 Checks before installation 21 3 3 Installation tools 22 3 4 Installation position 24 3 5 Moving the 50K 70K TL inverter 26 3 6 Installing the 50K 70K TL inverter 27 4 Electrical connection...

Page 3: ...07 06 2019 Rev 1 1 User Manual for 50K 70K TL 7 Troubleshooting and maintenance 66 7 1 Troubleshooting 66 7 2 Maintenance 74 8 Uninstalling 75 8 1 Steps for uninstalling the inverter 75 8 2 Packaging...

Page 4: ...uipment even when it is transferred to another user or plant Copyright statement The copyright of this manual belongs to Zucchetti Centro Sistemi S p A No part of this manual may be copied including t...

Page 5: ...the inverter in the photovoltaic energy system and for operators of the photovoltaic system Symbols used This manual provides information for safe operation and uses certain symbols to ensure the safe...

Page 6: ...y or damage Before installing and operating the equipment the electrical circuit of the strings must be disconnected by opening the string circuit breaker to interrupt the high voltage DC of the photo...

Page 7: ...nections Please pay attention to the electrical regulations on accident prevention when dealing with photovoltaic inverters Before connecting the mains power be sure to disconnect the photovoltaic mod...

Page 8: ...in operation Wear protective gloves Attention Maintenance and repair Before carrying out any repairs disconnect the inverter from the mains network AC side and from the photovoltaic system DC side Aft...

Page 9: ...must be securely connected to the ground Attention Ensure the correct DC input voltage which must be below the maximum allowable DC voltage Overvoltage can cause permanent damage to the inverter or ot...

Page 10: ...ers are indicated in this section Description of functions It describes how the 50K 70K TL inverters and their internal operating modules work Efficiency curve It describes the efficiency curves of th...

Page 11: ...ed the limits indicated in the technical specifications Only photovoltaic modules can be connected to the input of the inverter do not connect batteries or other power supply sources Intended networks...

Page 12: ...nts Inverter models of the 50K 70K TL family are divided into three sizes according to their maximum output power 50 kW 60 kW 70 kW Inverters with the same output power differ according to the charact...

Page 13: ...3 80 Identificazione MD AL GI 00 Rev 4 0 del 31 01 18 Applicazione GID Manual of 07 06 2019 Rev 1 1 User Manual for 50K 70K TL S4 1 Communication board 2 AC output connectors S5 1 AC surge arrester II...

Page 14: ...ified technician who knows the installation conditions the devices that will be installed outdoors and the possible integration with existing systems Optional components of the inverter should be chos...

Page 15: ...ting the insulation impedance and the DC input voltage current The power board converts the DC power into AC power The current converted in AC is filtered through the output board and is then fed into...

Page 16: ...ty requirements The input board measures the insulation impedance voltage and current of the various strings it also manages the algorithm of the maximum power point algorithm MPPT in order to maximis...

Page 17: ...verters Inverter functions A Configurable relay The inverter has a configurable switching relay that can be used in various operating conditions set in the menu For example it can close normally open...

Page 18: ...day and depending on the value of these parameters C Data transmission The inverter or a group of inverters can be monitored remotely via an advanced communication system based on a RS485 interface or...

Page 19: ...e grid or DC input line E Ground fault protection The inverter must be used with photovoltaic modules connected with floating connections i e with positive and negative terminals that are not grounded...

Page 20: ...gure 9 Input power derating curve for an Azzurro ZCS 50K 70K TL inverter Output power V derating curve for an Azzurro ZCS 50K 70K TL inverter Figure 10 Output power derating curve for an Azzurro ZCS 5...

Page 21: ...ng position and surface Assign at least two people to install the inverter Attention 3 1 Installation procedure This section describes the procedure for installing the 50K 70K TL inverter 3 2 Checks b...

Page 22: ...urs before installing the inverter Checking the product After removing the inverter from its packaging check that the product is intact and complete If any damage is found or components are missing co...

Page 23: ...electrical connections therefore they must be prepared before installation No Tool Function 1 Drill Recommended drill bit 8 mm To drill holes in the wall for fixing the bracket 2 Screwdriver flat and...

Page 24: ...wall holes 9 MC4 removal tool To remove the DC connectors from the inverter 10 Diagonal pliers To cut and tighten the cable ends 11 Wire stripping tool To remove the outer sheath of the wires 12 RJ45...

Page 25: ...K 70K TL 18 Level To make sure the bracket is level 19 ESD gloves Protective clothing 20 Safety goggles Protective clothing 21 Protection mask Protective clothing 3 4 Installation position Choose an a...

Page 26: ...igure 13 Requirements for installing multiple inverters Note For safety reasons ZCS Spa and or its partners may not carry out any technical repairs or maintenance work or move the inverter from and to...

Page 27: ...ople and correct handling of the inverter Figure 14 Removing the polystyrene protections Figure 15 Removing the inverter from its packaging 2 Lift the inverter from its packing box and move it to the...

Page 28: ...rilling it is necessary to reposition the holes 2 Insert the plugs horizontally into the holes made paying attention to the force and depth with which they are inserted make sure the plug completely e...

Page 29: ...open circuit voltage of the photovoltaic string must be less than 1000 V The 50K 70K TL series has three Maximum Power Point Trackers MPPT all the photovoltaic modules connected in series to the same...

Page 30: ...erter may fail All non current carrying metal parts such as the PV module frame PV rack housing of the combiner box and housing of the inverter in the PV power system must be connected to the ground A...

Page 31: ...ed part Note 2 The cavity formed after the conductor has been crimped must completely wrap the conductor wires The core of the wire must be in close contact with the terminal Figure 20 Preparing the g...

Page 32: ...arallel input mode is set If the strings are arranged in parallel it is recommended to execute a parallel node in order to divide the input currents from the PV array and populate all the MPPT inputs...

Page 33: ...l of the PV strings and the ground the PV strings are subject to insulation faults Fix the fault before connecting the cables During the installation of the PV string and inverter the positive and neg...

Page 34: ...nds from the positive and negative connectors 2 Use a wire stripper to remove an appropriate length of the insulation layer from the positive and negative power cables as shown in the figure Figure 22...

Page 35: ...the positive and negative connectors into the corresponding DC input terminals of the inverter until you hear a click sound as shown in the figure Figure 24 Connecting the DC input power cables 3 Note...

Page 36: ...e operational and ready 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...

Page 37: ...ensure proper functioning of the anti islanding protection The cable length from the inverter to the grid should not exceed 150 meters The figure below shows the relationship between the power loss i...

Page 38: ...nnecting the AC output cables 2 3 Connect the AC power cable according to the following criteria and as shown in the figure Connect the yellow green ground cable to the terminal labelled PE tighten th...

Page 39: ...t all the wires are securely connected 4 5 Connecting the communication cables The 50K 70L TL inverters have two communication interfaces the RS485 interface and Wi Fi interface see figure below Figur...

Page 40: ...ication cables make sure that they are separated from the power cables and away from sources of interference so as to prevent any interruptions in the communication Procedure 1 Remove an appropriate l...

Page 41: ...ommunication connector Removal procedure Remove the RJ45 connector from the inverter by removing the plug Then press the clip on the RJ45 connector and pull out the RJ45 connector Communication via Wi...

Page 42: ...te follow the appropriate procedure to configure the external Wi Fi adapter Description of the communication ports This section describes the functions of the RS485 and Wi Fi ports RS485 The RS485 por...

Page 43: ...ng the indications shown in the table below O OFF 1 ON and in the figure below SWT2_1 SWT2_2 Status ON OFF Connected OFF OFF Not connected If the system consists of only one inverter use a communicati...

Page 44: ...nd to then upload this information to a server Note it is necessary to provide Zucchetti Centro Sistemi S p a with the serial number in order to activate the inverter s remote monitoring system This c...

Page 45: ...rmally open e g connecting the NO contact and the COM contact or it can be configured as normally closed e g connecting the NC contact and the COM contact The relay has 4 different control functions F...

Page 46: ...0 Identificazione MD AL GI 00 Rev 4 0 del 31 01 18 Applicazione GID Manual of 07 06 2019 Rev 1 1 User Manual for 50K 70K TL 3 Connect the stripped cable into the appropriate terminal of the terminal b...

Page 47: ...m DC voltage if the minimum operating temperature allowable is reached should be less than 1000 V Make sure that all the photovoltaic strings are securely connected to the input of the inverter AC con...

Page 48: ...p A technical support 6 Operating interface General information in this chapter This section describes the display and its operation as well as the buttons and LED indicators of 50 70K TL inverters 6...

Page 49: ...lay the inverter states information settings etc Figure 37 Main interface of the LCD display The LCD screen displays the power output of the inverter the input information coming from the PV system in...

Page 50: ...te the PV voltage must be higher than 250 V the grid voltage value must be between the minimum and maximum permissible limits as should the other grid parameters otherwise the inverter will go into an...

Page 51: ...interface screen to enter the main 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 ti...

Page 52: ...ing historical events i e to delete all error warnings present in the submenu List of historical events Press OK to start the procedure the display will show OK if the procedure is successful Set Coun...

Page 53: ...ZSD MT 58 Belgium MT 70 Korea MT 82 CEI 0 21 Areti MT 59 UK G59 MT 71 Sweden MT 83 99 Reserved 60 China MT 72 General Europe MT 61 France MT 73 CEI 0 21 External MT Table 4 Country codes for 70K TL i...

Page 54: ...n or closed Alarm The relay switches over it detects an alarm on the inverter Error In case of a temporary alarm no switch over occurs If the relay contact is normally open or closed the relay remains...

Page 55: ...he inverter sends its data to the monitoring server Address 01 is used for single inverters to extend the monitoring to multiple inverters use progressive communication addresses Note make sure that t...

Page 56: ...Sistemi Spa technical support Select 13 Safety V and press OK to enter the menu for setting the protection voltage The display will show Enter PWD press OK to enter the password Enter the password 000...

Page 57: ...files have not been copied to it Relay Test Select 16 Test relay and press OK to enter the test menu of the relay inside the inverter Use the Up and Down keys to select the 1 Enable or 2 Disable optio...

Page 58: ...t will produce power even without the ground connection line If the setting is successful OK will be displayed otherwise Error will be displayed P grid Check Select 20 P grid Check and press OK to ent...

Page 59: ...ess OK to enter the relative menu from which you can change the active power according to the local grid frequency requirements This function may be required by various regulations for grid connected...

Page 60: ...GI 00 Rev 4 0 del 31 01 18 Applicazione GID Manual of 07 06 2019 Rev 1 1 User Manual for 50K 70K TL 5 The self test will now start automatically once completed press Down to display the self test res...

Page 61: ...peration 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 scre...

Page 62: ...62 80 Identificazione MD AL GI 00 Rev 4 0 del 31 01 18 Applicazione GID Manual of 07 06 2019 Rev 1 1 User Manual for 50K 70K TL...

Page 63: ...er 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 time they occurred so the most recent events will be lis...

Page 64: ...n see the country code that has been set Input Use the Up and Down keys in the System Info menu to move and the OK key to enter the 6 Input menu Here you can see the type of input of the photovoltaic...

Page 65: ...Enter PWD Press OK to enter the password 0715 using the Up and Down keys to select the number and OK to move to the next digit and confirm If the display shows Wrong try again press the Back key and e...

Page 66: ...urself Then insert it into the PC using the appropriate adapter 4 Open the microSD card drive and create a new folder with the name firmware making sure to match the lowercase and uppercase letters as...

Page 67: ...n to the Set Country item and enter the country code 22 Note if the inverter has been running for more than 24 hours this function must first be enabled from the Enable Country menu which corresponds...

Page 68: ...aged Follow the steps below to display the recorded alarms Press Menu Back to enter the main menu from the standard interface Select Event List in the menu screen then press OK to access the list of a...

Page 69: ...efore the voltage Voc of the PV string is higher than the maximum input voltage of the inverter In this case decrease the voltage of the PV string by adjusting the number of photovoltaic modules conne...

Page 70: ...ack on again Check that the fault is no longer present If this is not the case contact Technical Support ID16 AcRmsOCP Grid current is too high ID17 HwADFaultIGrid Sampling error of the grid current I...

Page 71: ...D29 SwOCPInstant Grid current is too high Internal fault 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 t...

Page 72: ...erter is too high Check whether the installation position and the installation method meet the requirements of Section 3 4 of this user manual Check whether the ambient temperature in the installation...

Page 73: ...ID73 Reserved Reserved Reserved ID74 UnrecoverIPVInstant Input current is too high and has caused an unrecoverable fault ID74 ID77 are internal faults of the inverter turn off the DC switch wait 5 min...

Page 74: ...The inverter automatically reduces the output power when the frequency of the electrical grid is too low ID86 Fan 5 Alarm Fault on fan 5 Check the operation of the internal fan If the fan is not worki...

Page 75: ...verter 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 ID96 Faulty RTC clock chip RTC c...

Page 76: ...that it is not obstructed by dust or other items Cleaning the inverter Use an air compressor soft dry cloth or soft bristled brush to clean the inverter Do not use water corrosive chemical substances...

Page 77: ...trings by opening the DC circuit breaker Wait 5 minutes Remove the DC connectors Remove the AC terminals Unscrew the fixing bolt of the bracket and remove the inverter from the wall 8 2 Packaging If p...

Page 78: ...50V 960V DC voltage range at full load 500V 800V 530V 800V 660V 800V Max input DC current for each MPPT 40A 30A 30A 40A 40A 40A Max input DC current for each string 12A Output AC Rated AC output 50000...

Page 79: ...1 2 3 4 Safety standard IEC 62116 IEC 61727 IEC 61683 IEC 60068 1 2 14 30 IEC 62109 1 2 Grid connection standard CE CGC ZVRT AS 4777 AS 3100 VDE AR N 4105 EN50438 G83 2 G59 3 C10 11 CEI 0 21 CEI 0 16...

Page 80: ...ntees normal operation of the inverter If the inverter is defective or faulty during the warranty period contact your installer or supplier If the fault falls within the responsibility of the manufact...

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