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Summary of Contents for Riello SIRIO-ES 100
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Page 3: Application Model
Note: this user manual is subject to change without prior notice. The latest version of the user manual and additional information on the product are available on http://www.riello-solartech.com, and/or by consulting your dealer. Symbol Conventions The safety symbols used in this manual, which highlight potential safety risks and important safety information, are listed below:... -
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 _______________________________________________________________________ - 5 - Product presentation _______________________________________________________________________ - 5 - INSTALLATION _______________________________________________________________________ - 8 - Preliminary checks _________________________________________________________________________ - 8 - Electrical installation _______________________________________________________________________ - 13 - USE _______________________________________________________________________________ - 20 - System operation _________________________________________________________________________ - 20 - User interface ____________________________________________________________________________ - 21 - Mainenance ______________________________________________________________________________ - 24 - Troubleshooting __________________________________________________________________________ - 25 -... -
Page 7: Presentation
Do not connect PV modules in parallel to several PV inverters for operation. WARNING Model Description The number in the model name indicates the power class of the inverter, for example: SIRIO-ES 100 Power class 100kW 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 SIRIO-ES 100 – 110 SIRIO-ES 100 – 110 Front view Side view Connections Area 1. Vent valve 2. PV switches 3. MPPT inputs 4. DB9 Communications interface 5. RS485 port 6. AC output connection box 7. Cooling fan...
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Page 9: Operating Principles
Basic operating principles SIRIO-ES 100 and 110 can receive inputs from 16 or 18 strings of PV panels, respectively. Then, the inputs are grouped into eight independent MPPT routes inside the inverter SIRIO-ES 100, or nine independent MPPT routes inside the inverter SIRIO-ES 110, to track the maximum power point of the PV panels. -
Page 10: Installation
INSTALLATION RELIMINARY CHECKS Do not install the inverter on flammable building materials or in an area where flammable or explosive DANGER materials are stored. 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 or burns. - Page 11 Moving the inverter After checking the outer packaging, move the PV inverter to the designated installation position horizontally, as shown in the figure below. The inverter is relatively heavy! To prevent device damage and personal injury, arrange four people to move CAUTION the inverter and handle with care.
- Page 12 Installation Requirements These apply to support-mounted installation, as described below in detail. Determining the Installation Position Basic Requirements • The inverter is protected to IP66 and can be installed indoors or outdoors. • The mounting location must be inaccessible to unrelated personnel since the bracket and heat sinks are extremely hot during operation.
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Page 13: Installation On The Wall
Installation on the wall Support-mounting the inverter is recommended. Step 1 Remove the rear panel from the packaging box. Step 2 Hold the wall brackets horizontally using a level. Mark the holes position on the wall. Step 3 Drill the holes. Before drilling holes, check whether there are electrical pipes or other pipes buried in the walls to avoid DANGER risks. - Page 14 Installation on a support bracket Step 1 Remove the rear panel from the packaging box. Prepare the support bracket (not included). Step 2 Mark the holes position on the support bracket. Step 3 Drill the holes. Step 4 Secure the mounting bracket with bolts from delivery accessories (4 M12 screws and nuts, 42 N·m). Step 5 Lift the inverter from the bottom.
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Page 15: Electrical Installation
This helps the inverter to perform as it should. The residual current setting can’t be less than 1110 mA for the SIRIO-ES 100 model and 1230 mA for the SIRIO-ES 110 model. - Page 16 Connecting the AC Output cables Preparation Prepare multi-stranded wire, crimping terminals and a proper crimping tool before AC wiring. NOTICE The inverter requires M12 OT terminals (not supplied). NOTE It is recommended to use outdoor multi-core copper wires. The following table describes the AC cable requirements. Cable Nr.
- Page 17 Step 3 Tighten the screws with a torque of 20-30 N·m. Reinstall the locking-cap and the cover plate, using a torque of 3~4 N·m. Connecting the PV strings The PV strings connection must comply with the following prerequisites; otherwise, an electric shock may DANGER occur.
- Page 18 Cable preparation Step 1 Remove an adequate length of insulating layer from the positive and negative power cables using a wire stripper, as shown in below image. Step 2 Insert the exposed areas of the positive and negative cables into the metal terminals of the positive and negative connectors respectively and crimp them using a crimping tool.
- Page 19 To ensure maximum performance, connect the PV strings to the PV ports as shown in the below table. NOTICE The picture shows the SIRIO-ES 110 MPPT inputs as reference. The following table shows how to connect the PV strings to inverter inputs to maximize performance. Model: SIRIO-ES 100 Strings Input PV10...
- Page 20 RS485 Communication cables connection Step 1 Make a wire as shown in the image. Step 2 Insert the cable through nut and connector housing. Step 3 Insert the wires in the connector and tighten the screws to ensure proper connection, verify that each screw doesn’t exceed the surface.
- Page 21 Modbus address setting It is mandatory to set the Modbus address in case there are multiple inverters connected to a single RS485 line. Step 1 Scan the QR code to download the APP. It is mandatory to allow access to every resource the APP needs during installation or setting, in all pop-up windows.
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Page 22: Use
Step 2 Turn on the DC switch on the inverter. Step 3 Connect to the inverter using the APP Riello PV and set the regulations for connecting to the grid, according to local standards and the type of grid that the inverter is connected to. For more information, please refer to the APP user manual. -
Page 23: User Interface
SER INTERFACE The indicator panel of the inverter is composed of LED indicators and an LCD. The LED indicators include the PV, Grid, COM and Warning indicators. LED status LED indicator State Description PV String voltage meets the requirements for inverter grid-connecting to Fixed generate power. - Page 24 LCD screen 1) COM When the inverter is transferring data via Wi-Fi, the icon will be ON, if there is no data transmission, the icon will be off after 10s. When the inverter is transferring data via RS485, the icon will be ON, if there is no data transmission, the icon will be off after 10s.
- Page 25 LED/LCD Status and Warning Code Table Grid Warning PV Indicator Indicator Indicator Indicator Normal status Starting up WIFI/RS485/LAN communication PV normal Grid over voltage Grid under voltage Grid absent Grid over frequency Grid under frequency Grid unbalance Grid high average voltage PV over voltage PV under voltage Weak radiation...
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Page 26: Routine Maintenance
AINTENANCE Before commissioning or performing maintenance on the inverter and its peripheral distribution unit, switch WARNING off all the switches and wait at least 10 minutes after the inverter is powered off. Check periodically heat sink and the inlet/outlet of fans, clean them, and ensure that they are free from dust and blockage. If there is any abnormality with any of the fans, contact the dealer to request a replacement. -
Page 27: Troubleshooting
ROUBLESHOOTING The following table shows inverter’s basic common warning and fault handling methods. Alarm Alarm name Alarm explanation Measures recommended code If the alarm occurs occasionally, it means that the grid is operating abnormally; the inverter can automatically restore its normal operating status after the grid returns normal. - Page 28 Alarm Alarm name Alarm explanation Measures recommended code If the alarm occurs occasionally, it means that the grid is operating abnormally; the inverter can automatically restore its normal operating status after the grid returns normal. If the alarm occurs repeatedly, check whether: The three-phase voltage is measured and confirm the three-phase voltage imbalance is more than 30%.
- Page 29 Alarm Alarm name Alarm explanation Measures recommended code If the alarm occurs occasionally, the inverter can automatically recover. No action is needed. If the alarm occurs repeatedly, check whether: Inverter over Inverter internal The inverter is not under direct sunlight. temperature temperature high.
- Page 30 Alarm Alarm Alarm name Measures recommended code explanation All LEDs and the LCD are off Ensure that the input voltages are all above 120V. in the inverter If no problem can be detected, contact the customer service centre. Check the energy meter data and ensure that it is consistent with the monitoring data.
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Page 31: Storage
Removing the inverter To remove the inverter, follow the steps below. Step 1: Turn off the inverter (see dedicated chapter). Step 2: 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 32: Appendix
APPENDIX ECHNICAL SPECIFICATIONS Model SIRIO-ES 100k SIRIO-ES 110k Input (PV) Max input voltage 1100V Nominal input voltage 600V Maximum input current 40A * 3 / 32A * 5 40A * 3 / 32A * 6 Maximum short-circuit current 50A * 3 / 45A * 5 50A * 3 / 45A * 6 Start input voltage 250V... - Page 33 - 31 -...
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