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Summary of Contents for Riello SIRIO-ES 50
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Page 3: Application Model
NTRODUCTION Thank you so much for choosing SIRIO-ES 50/SIRIO-ES 60 the latest generation of hybrid PV string inverters (hereinafter referred to as “inverter”) designed and developed by Riello Solartech. Our company is specialised in the development and production of photovoltaic inverters. The solar inverters in this series are high-quality products, carefully designed and constructed with the aim of ensuring high performance. -
Page 4: Safety Precautions
AFETY PRECAUTIONS Before using the product, please read these safety precautions in the User Manual carefully. Personnel Safety • The PV inverter must be installed, electrically connected, operated and maintained by a specially trained technician. • The qualified technician must be familiar with the safety regulations concerning the electrical system, the working process of the PV power generation system and the standards of the local power grid. -
Page 5: Protecting The Environment
ROTECTING THE ENVIRONMENT Our company has devoted extensive resources to the analysis of environmental aspects in the development of our products. All our products pursue the objectives set out in the environmental management system policy, developed by our company in accordance with current legislation. -
Page 6: Table Of Contents
ONTENTS PRESENTATION ___________________________________________________________ 7 Product Presentation ________________________________________________________________ 7 INSTALLATION __________________________________________________________ 10 Preliminary Checks _________________________________________________________________ 10 Electrical Connections ______________________________________________________________ 16 UTILIZZO _______________________________________________________________ 28 System operation __________________________________________________________________ 28 User Interface _____________________________________________________________________ 30 Maintenance ______________________________________________________________________ 33 Troubleshooting ___________________________________________________________________ 34 Storage __________________________________________________________________________ 36 Deposing of the product (inverter) ____________________________________________________ 36 APPENDIX ______________________________________________________________ 37 Technical Specification ______________________________________________________________ 37... -
Page 7: Presentation
Do not connect PV modules in parallel to several PV inverters for operation. Model Description The number in the model’s name indicates the power class of the inverter, for example: SIRIO-ES 50 Power class 50kW Network Application Grid-tied PV Power Systems The series include grid-tied PV power systems for industrial/commercial rooftops, light complementary power generation systems, and large ground-based power stations. -
Page 8: Outline And Dimensions
Outline and dimensions Front view and LED panel indicators detail Rear quarter view of this series inverter Bottom view of this series of inverter... -
Page 9: Working Modes
Dimensions of this series (unit: mm) Working Modes The operating modes of the inverter are described below: stand-by, operation, and shutdown. The table below shows the conditions for the inverter to switch between operating modes Modes Description The PV inverter enters the standby mode when •... -
Page 10: Installation
INSTALLATION RELIMINARY HECKS Do not install the inverter on flammable building materials or in an area that stores flammable or DANGER explosive materials. Do not install the inverter in a place where personnel are likely to come into contact with its enclosure and CAUTION heat sinks to avoid electrical shock/burn. -
Page 11: Moving The Inverter
Moving the inverter After checking the outer packing, move the PV inverter to the designated installation position horizontally. Hold the handles on both sides of the inverter, as show below: Moving the inverter The inverter is relatively heavy! To prevent device damage and personal injury, arrange two people to CAUTION move the inverter and handle with care. -
Page 12: Determining The Installation Position
Installing Requirements According to installation position, two kinds of physical installation are described below in detail: Support-mounting & wall- mounting. Determining the Installation Position Basic requirements • The inverter is protected to IP65 and can be installed indoors or outdoors. •... - Page 13 When installing multiple inverters, install them along the same line if sufficient space is available, and install them in triangle mode or in stacked mode if no sufficient space is available. The installation modes ensure sufficient space for installation and heat dissipation.
- Page 14 Installation Mode Requirement Install the inverter upright or at a maximum back tilt of 15 degrees to facilitate heat dissipation. Below are some correct / wrong installation modes. NOTICE The wrong installation will lead to failure of the inverter operation. Support-mounting of the inverter Step 1 Move out the rear panel from the packing case, and determinate the position for the inverter and the support.
- Page 15 Step 2 Tighten the rear panel with the support using M12 bolt to a torque of 42Nm. Step 3 Mount the inverter on the support and tighten the inverter with the rear panel using screws. Installation Self-check • Ensure that the three supporting points (on the rear side of the inverter) align with the three holed of the support. •...
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Page 16: Electrical Connections
LECTRICAL ONNECTIONS Preliminary operations • It is advisable to install a circuit breaker on the AC side with rated current higher than 250A. • Turn the DC switch off. • Open the AC switch downstream of the inverter. Before performing any electrical connections, ensure that both DC and AC switches are OFF. Otherwise, DANGER fatal injury can occur due to the high voltage generated from AC and DC cables. - Page 17 Step 3 Remove the ground screws from the ground points, secure the PGND cable (done by step 1 & 2) using the ground bolts, and tighten the bolts to a torque of 3 Nm using a socket wrench. PE wire must be well grounded to ensure that impedance between Neutral wire and Earth wire be less than 10#.
- Page 18 Connecting AC Output Cables Preparation The AC power cable and AC terminals have been prepared with below requirements. AC power cable: Outdoor multi cooper-cores cables are recommended, as shown below. Conductor Recommended OT Cable type NOTES section (mm terminals The distances between AC Outdoor multi cooper- AC terminal 30~50...
- Page 19 Procedure of Connecting AC Cables AC wiring chamber on the right side of the inverter, and before AC wiring, remove these four retaining screws, uninstall Earth wire, and remove the cover of AC wiring chamber. Please follow below steps to ensure equipment and personal safety. Removing the cover of AC wiring chamber Step 1 Remove an appropriate length of the jacket and insulation layer from the AC output cable.
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Page 20: Connecting The Pv Strings
Connecting the PV Strings DANGER PV Strings connection needs below prerequisites; otherwise, an electrical shock can occur. PV modules generate electric energy when exposed to sunlight and can create an electrical shock hazard. Therefore, when connecting the PV modules, shield them with opaque cloth. Before connecting DC input power cables, ensure that the voltage on the DC side is within the safe range and that the DC SWITCH on the inverter is OFF. - Page 21 Input Route Number of Input Route Inverter Model Connected to any route Connected to routes 2 & 6 Connected to routes 2, 6 & 10 Connected to routes 2, 6, 10 & 13 Connected to routes 2, 3, 6, 10 & 13 50K / 60K Connected to routes 2, 3, 6, 7, 10 &...
- Page 22 Step 2 Insert the exposed areas of the positive and negative power cables into the metal terminals of the positive and negative connectors respectively and crimp them using a crimping tool, as shown in Figure. Crimping a metal connector Step 3 Insert the crimped positive and negative power cables into the corresponding positive and negative connectors until a "click"...
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Page 23: Connecting Communication Cables
Step 6 Insert the positive and negative connectors into their corresponding terminals of the inverter until a "click" sound is heard, as shown in Figure. Connecting to the inverter Step 7 After connecting the PV strings, ensure that all connectors are in position by checking for resistance when a slight pull is applied. - Page 24 If more inverters are connected, keep in mind next points: If more inverters are connected, it’s necessary to set the Modbus address manually on each inverter through the Riello PV APP. For more details, refer to APP User Manual. NOTE Turn RS485 Resistance to ON from the dial switch of the inverters on the end of the chain.
- Page 25 Step 2 Step 3 Click “Console” select Download APP Riello PV from APP Check the Modbus address in Figure “Communication Setting”, then click store (or scanning the QR code) and 5.18, the default address is 1, long on “RS485 Setting” as shown in connect to the inverter.
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Page 26: Power Limit
Power Limit App Settings Go to Console > Power Limit page. In this page the user can set or change the parameters of power limit. -
Page 27: Installation Verification
When Power Limit function is set on “Digital Power Meter”, the RS485 Inverter port will change working mode on “Host” which will communicate through Modbus-RTU with Digital Meter. Check that the device is set to Modbus-RTU, 9600 BPS, 8-N-1 with address •... -
Page 28: Utilizzo
Step 4: Observe statuses of LED indicator lights on the inverter (see User Interface chapter). Step 5: Connect the inverter through Riello PV APP and set local grid parameters. For more details, refer to User manual on APP. This setting is necessary for When LED status lights display the inverter has entered grid-connecting, it means the inverter is operating well. - Page 29 Autotest The inverter is equipped with AUTOTEST function for the internal Interface Protection (IP). The AUTOTEST process can be activated via the dedicated menu of the RS Connect APP. If the local regulation requires to perform the AUTOTEST, please connect to the inverter via the RS Connect APP, select the "Operation Console"...
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Page 30: User Interface
NTERFACE The indicator panel of the inverter is composed of LED indicators and a LCD. The LED indicators include the PV, Grid, COM and Warning indicators. LED Status LED Indicator Status Description Voltage of PV strings meet the conditions for feed-in operation. PV Indicator Blink Voltage of PV strings does not meet the conditions for feed-in operation. -
Page 31: Lcd Screen
LCD Screen 1) COM When Wi-Fi/GPRS/Bluetooth is transferring data, icon will be ON, while no data transmission, the icon will be off after 10s. When RS485 is transferring data, icon will be ON, while no data transmission, the icon will be off after 10s. 2) Warning When warning is triggered, icon will be illuminated: from left to right the first bit could be... - Page 32 LED Status and Warning Code Table Warning Grid Warning PV Indicator code Indicator Indicator Indicator Normal Status Starting up (inverter tries to connect to grid) WLAN/WIFI/RS485 Communication PV normal Grid over voltage Grid under voltage Grid absent Grid over frequency Grid under frequency Grid unbalanced Grid over mean voltage...
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Page 33: Maintenance
AINTENANCE Before commissioning or performing maintenance on the inverter and its peripheral distribution unit, WARNING switch off all the switches and wait at least 10 minutes after the inverter is powered off. Routine maintenance Check item Check content Maintain content Maintenance interval Statistically maintain the electrical yield status and... -
Page 34: Troubleshooting
ROUBLESHOOTING The following table shows inverter’s basic common warning and fault handling methods. Alarm Alarm definition Cause Possible solutions code The grid voltage exceeds its 1. If the alarm occurs occasionally, it means that the grid is Grid over voltage allowable range. - Page 35 1.If the alarm occurs occasionally, the inverter can automatically recover. No action is needed. BOOST abnormal Internal warning 2. If the alarm occurs repeatedly, contact the customer service centre. 1.If the alarm occurs occasionally, the inverter can automatically recover. No action is needed. Internal storage error Internal warning 2.
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Page 36: Removing The Inverter
NOTE If you cannot clear the preceding alarm according to the recommended measures, contact your dealer promptly. Removing the inverter To remove the inverter. Follow the steps below. Step 1: Turn off the inverter (see dedicated chapter). Step 2: Switch off all breakers upstream the inverter (DC breaker on the inverter and AC breaker upstream the inverter). Step 3: Remove all cables from the inverter, including any communication cables, DC input, AC output power cables and PGND cables, as shown in the following figure. -
Page 37: Appendix
APPENDIX ECHNICAL PECIFICATION Model Efficiency Maximum Efficiency 98.3% 98.3% European Efficiency 98.0% 98.0% Input (PV) Maximum input voltage 1100 V Maximum PV configuration 150% Nominal input voltage 620 V Maximum input current 130A (39A/39A/26A/26A) 156A (39A/39A/39A/39A) Maximum short-circuit current 140A (42A/42A/28A/28A) 168A (42A/42A/42A/42A) Start input voltage 250V... - Page 38 Dimensions (W*H*D) 855x500x275 mm Weight 73kg 74kg HMI e COM Interface Wireless with APP + LED Communications Wi-Fi (optional), RS485 (integrated), GPRS/4G/LAN (optional) Certifications Secure standards IEC62109-1, IEC62109-2 EN 61000-6-2/4 UNE 206006/206007-1, UNE 217001 CEI 0-16, CEI 0-21, Approval and national standard Warranty 5 years...
- Page 39 0MNPS350KRUITUB...
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