Photovoltaic installation diagrams
Are you installing your solar system yourself? Find all our professional wiring diagrams: panel connections, battery configurations, electrical box wiring and complete assembly of solar kits. Designed by our engineers and compliant with current standards in France, Belgium and Europe.
Quick access to diagrams
Solar panel wiring 3
Your photovoltaic panels can be connected in series (to increase the voltage), in parallel (to increase the current) or in a mixed configuration. The choice depends on your charge controller or inverter, the length of the cabling and the shading conditions at your installation site.
Connecting solar panels in series
Electrical connection diagram for 3 panels in series with a controller
Connecting solar panels in parallel
Electrical connection diagram for 2 solar panels with MC4 ‘Y’ connectors
Connecting five panels in series to the WKS EVO Circle
Connection diagram for 5 panels in series with a WKS EVO Circle inverter
Connection of solar batteries 4
Connecting a 24V solar battery bank
Learn how to connect your solar panels in parallel with our comprehensive guide: explanatory diagram, current calculations, safety advice and...
Connecting a 48V solar battery bank
Find out how to connect a 48V solar battery bank: detailed diagram, safety advice and best practices for installation...
Connecting two GEL batteries in parallel
Find out how to connect two 12V batteries in parallel: detailed diagram with wiring instructions for a safe and efficient installation.
Battery connection diagram for a system with three WKS EVO units
Battery connection diagram for a system with three WKS EVO units
Inverter/battery communication diagrams 2
Communication diagram between the WKS EVO inverter and Pylontech batteries
Details of the connection enabling communication between the WKS EVO inverter and Pylontech lithium batteries
Communication diagram for Pylontech batteries with a WKS EVO CIRCLE inverter
Connection diagram for the WKS EVO Circle 5.6 kVA inverter and two Pylontech lithium batteries
Solar installation schematic diagrams 8
Schematic diagram of the kit’s operation with WKS I grid-tie inverters
Electrical connection of the WKS I inverter to solar panels, battery, loads, monitors and the grid
Schematic diagram of connection with an SMA Sunny Boy inverter
Schematic diagram of the connection with an SMA Sunny Boy inverter
Schematic diagram of connection with an SMA Tripower inverter
SMA three-phase self-consumption/feed-in kit without storage
Schematic diagram of connection with two SMA Sunny Boy inverters
SMA single-phase self-consumption/feed-in kit without storage
How the WKS EVO CIRCLE 5.6 kVA works
Connection diagram for the WKS EVO Circle 5.6 kVA inverter with two strings of panels, battery bank, loads and the grid
Schematic diagram showing a Circle inverter and a string of 8 panels with storage
Schematic diagram showing a Circle inverter, a string of 8 panels with storage
Schematic diagram of the WKS EVO Circle with a string of eight panels and storage
Wiring diagram for the WKS EVO Circle inverter, a string of eight panels with GEL storage
How the WKS EVO 3KVA 24V hybrid inverter works
Schematic diagram of the WKS EVO 3 kVA 24V inverter connection with two series of two panels, a GEL battery, loads and the grid
Wiring diagrams for solar kits 58
6-panel 3kVA self-consumption kit with storage and feed-in
Connection diagram for the Multisolar inverter with a solar panel string and two Pylontech batteries
12-panel 3kVA self-consumption kit with storage and feed-in
Wiring diagram for a photovoltaic kit comprising 3 strings of 3 panels with a 3 kVA Multisolar inverter and a GEL battery
20-panel 5kVA self-consumption kit with storage and feed-in
Electrical connection diagram for a photovoltaic kit comprising two strings of 10 panels and 8 GEL batteries
42-panel 20kVA self-consumption kit with storage
Electrical connections for the various components of the WATTUNEED solar kit comprising 42 panels, four WKS EVO inverters and batteries...
54-panel 25kVA self-consumption kit with storage
Electrical connections for the various components of the WATTUNEED solar kit comprising 54 panels, five WKS EVO inverters and OPzS batteries
72-panel 30kVA self-consumption kit with storage
Electrical connections for the various components of the WATTUNEED solar kit comprising 72 panels, six WKS EVO inverters and batteries
30-panel 10kVA self-consumption kit with storage and feed-in
Electrical connections for the various components of the WATTUNEED solar kit comprising 30 panels, a Multisolar inverter and gel batteries
72-panel 20kVA self-consumption kit with storage and feed-in
Electrical connections for the various components of the WATTUNEED solar kit with 72 panels, Multisolar inverters and OPzS batteries
72-panel 30kVA self-consumption kit with storage and feed-in
Electrical connections for the various components of the WATTUNEED solar kit comprising 72 panels, three Multisolar inverters and batteries...
3000W mono-crystalline grid-connected solar kit for self-consumption, 6 to 12 panels
Installation diagram for a photovoltaic kit with a 3000W Solax inverter and between 6 and 12 solar panels
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Grid-connected solar kit – 5000W three-phase self-consumption
Connection diagram for a 5000VA SMA three-phase inverter with a series of 12 panels
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Grid-connected solar kit - 10kW three-phase - self-consumption
10 kW three-phase solar kit for self-consumption: panels, inverter, cabling and installation. Optimise your electricity generation.
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15 kW three-phase grid-connected solar kit
15 kW three-phase solar connection diagram for self-consumption and feed-in: panels, inverter, cabling and installation.
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8-panel 5kVA hybrid grid-feed-in kit with storage
8-panel 5 kVA hybrid kit with storage: panels, inverter, battery, cabling and installation. Ideal for self-consumption and feed-in...
7 to 12-panel self-consumption and grid-feedback kit, 3000W, without storage
Wiring diagram for 7 to 12 panels connected in series with a 3 kVA Solax single-phase inverter
13-panel self-consumption/feed-in 5000W kit without storage
Wiring diagram for 13 solar panels with a 5 kVA Solax inverter
12-panel self-consumption/feed-in 5000W kit
Wiring diagram for 12 solar panels and a 5 kVA Solax inverter
16-panel self-consumption and feed-in kit, 5000W, without storage
Electrical connection diagram for a 16-panel photovoltaic system with a 5 kVA Solax inverter
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20-panel self-consumption kit – 5000W feed-in without storage
Wiring diagram for a 5 kVA Solax inverter and two strings of 10 solar panels
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20-panel self-consumption kit – 5000W three-phase feed-in without storage
Electrical connection diagram for a 20-panel photovoltaic kit with a 5 kVA three-phase SMA inverter
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15-panel self-consumption kit – 8000W three-phase feed-in without storage
Electrical connection diagram for 15 solar panels and an 8 kVA Solax three-phase inverter
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20-panel self-consumption kit / 8kW three-phase grid feed-in without storage
Wiring diagram for a 20-panel photovoltaic kit with an 8 kVA Fronius three-phase inverter
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25-panel self-consumption kit – 8kW three-phase feed-in without storage
8 kW installation diagram: 25 panels, three-phase inverter, cabling and installation. Self-consumption & feed-in without a battery.
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30-panel self-consumption kit – 8kW three-phase feed-in without storage
Electrical connection diagram for a solar kit with two strings of 15 panels and a Fronius 8 kVA three-phase inverter
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15-panel self-consumption / three-phase feed-in 10kW kit without storage
Electrical connection diagram for a 15-panel photovoltaic system with a 10 kVA Solax three-phase inverter
25-panel self-consumption/grid-feed-in 10kW kit without storage
Electrical connection diagram for a photovoltaic kit comprising one series of 12 panels and a second series of 13 panels with a three-phase inverter...
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35-panel self-consumption/grid-feed-in kit, 10kW, three-phase, without storage
Photovoltaic connection diagram for a series of 17 panels and a series of 18 panels with a 10 kVA Fronius three-phase inverter
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40-panel self-consumption/grid-feedback kit, 10kW, three-phase, without storage
Connection diagram for a solar kit comprising two strings of 20 panels with a Fronius 10 kVA three-phase inverter
40-panel kit for self-consumption / three-phase feed-in, 15 kW, without storage
15 kW electrical connection diagram: 40 panels, three-phase inverter, cabling and installation. Self-consumption with feed-in, without battery.
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50-panel self-consumption/grid-feed-in kit, 15 kW, three-phase, without storage
Electrical connection diagram for two strings of 25 panels with a 15 kVA Fronius three-phase inverter
Wiring diagram for a 100W 55Ah 250VA system
Connection diagram for a system with a 100Wp solar panel, controller, Victron 250VA inverter and a 55Ah GEL battery
21-panel 10kVA self-consumption kit with lithium storage
21-panel 10kVA self-consumption kit with lithium storage
Three-phase installation with 2 inverters requiring the same phase.
Three-phase installation with 2 inverters requiring the same phase.
6-panel 3kVA self-consumption kit with storage and feed-in
Wiring diagram for a string of 6 solar panels, a 3 kVA Multisolar inverter and GEL storage
20-panel 5kVA self-consumption kit with lithium storage
Complete diagram of the 5 kVA solar kit with 20 panels and lithium batteries. View a high-performance installation for sustainable solar energy.
24-panel 10 kVA self-consumption kit with lithium storage
Electrical connection of a 24-panel photovoltaic kit, WKS EVO inverter with Pylontech lithium storage
48-panel 20kVA self-consumption kit with storage
Full diagram of the 20 kVA solar kit with 48 panels and batteries. Discover a powerful, self-sufficient system for sustainable solar energy.
96-panel 30kVA self-consumption kit with storage
Diagram of the 30 kVA solar kit with 96 panels and batteries. View a powerful, high-performance and fully self-sufficient solar installation.
Parallel connection of 3 single-phase WKS inverters
Diagram showing the parallel connection of 3 WKS EVO inverters in a single-phase system
Wiring diagram - Class 1
Electrical connection diagram for the Class kit comprising a WKS EVO Circle 5.6 kVA inverter, two strings of panels and 3 Pylo lithium batteries...
Connection diagram - Class 2
Electrical connection diagram for the Class 2 kit comprising two WKS EVO Circle 5.6 kVA inverters, four strings of panels and 6 lithium batteries...
Wiring diagram - Class 3
Electrical connection diagram for the Class 3 kit comprising 4 Circle inverters, 8 strings of panels and Hoppecke OPzV storage
WKS EVO CIRCLE connection diagram with lithium storage
Electrical connection of a solar kit with a Circle 5.6 kVA inverter and Pylontech batteries
Connection diagram with the Sermatec inverter
Electrical connection of the Sermatec inverter with two strings of solar panels connected to Pylontech lithium batteries and the grid
Wiring diagram for the Tiny House kit
Connection of the photovoltaic kit to the Circle 5.6 kVA inverter and Pylontech US5000 lithium battery
Self-consumption kit with 16 panels and 3 WKS EVO Circle inverters in three-phase configuration with storage
Wiring diagram for a solar kit comprising 16 panels with three WKS EVO Circle inverters in three-phase configuration with Pylontech lithium storage
Wiring diagram with 2-pole inverter
Electrical connection diagram for a WKS EVO Circle inverter and a 2-pole inverter
Connection of 3 WKS EVO Circle inverters with a 4-pole inverter and Pylontech storage
Electrical connection diagram for three WKS EVO Circle inverters with a 4-pole inverter and Pylontech lithium battery
Connection diagram for 48 panels, 33.6 kVA with lithium storage
Connection diagram for a 48-panel photovoltaic system with Circle inverters and Pylontech lithium storage
Connection diagram for 54 panels, 20 kVA with lithium storage
Connection guide for a solar kit comprising 54 solar panels, two WKS EVO MAX II inverters and Pylontech lithium storage
Self-consumption solar kit with 11 to 22 panels, featuring the Multisolar 15 kVA 48V inverter and lithium storage
Electrical connection diagram for 11 to 22 panels, with the Multisolar 15 kVA inverter and Pylontech lithium batteries
Wiring diagram with the WKS EVO MAX 10 kVA 48V inverter and lithium storage
Electrical connection of a solar kit comprising two series of panels with a WLS EVO MAX 10 kVA 48V inverter and Pylontech lithium storage
Wiring diagram with the Sofar Solar inverter
Electrical connection of a photovoltaic system comprising two series of panels connected to a Sofar Solar inverter and two Pylo...
Sofar Solar ESI diagram with storage
Electrical connection of the Sofar Solar ESI inverter to a Sofar Solar BTS 5K lithium battery and two strings of solar panels
Wiring diagram with the Deye 3.6kVA inverter and Delong storage
Detailed connection diagram for the Deye 3.6 kVA inverter connected to solar or wind panels, including loads, the mains supply...
Wiring diagram with the Deye 5kVA inverter and Pylontech storage
Detailed connection diagram for the Deye 5 kVA inverter connected to solar panels or wind turbines, including loads, the electricity grid...
Wiring diagram for the Deye 5kVA inverter and Delong storage
Detailed wiring diagram for the Deye 5 kVA inverter connected to solar panels or wind turbines, including loads, the mains supply...
Wiring diagram with the Deye 8.8kVA inverter and Delong storage
Detailed connection diagram for the Deye 8.8 kVA three-phase inverter connected to solar or wind panels, including loads, the electricity grid...
Connection diagrams 4
AC connection diagram for the WKS EVO Circle inverter
Electrical connection diagram for the WKS EVO Circle inverter, grid, loads and Pylontech lithium storage
Inverter-Battery Connection: Deye 8kVA + Delong Top Energy via 1000A DC Busbar
Connection diagram for Deye 8kVA and Delong 51.2V 100Ah battery with 1000A DC busbar box and fuses. Compliant and safe installation
Wiring diagram for the 6-panel Deye 3.6 lithium solar kit
Electrical connections for the various components of the WATTUNEED solar kit comprising 6 panels, a Deye 3.6kW inverter and Py batteries...
DEYE MONO + AC grid box + solar DC box + battery + auto inverter + DC battery circuit breaker
Wiring diagram for DEYE MONO + AC grid box + solar DC box + battery + auto inverter + DC battery circuit breaker. Compliant and safe installation
Assembly and fixing 9
Mounting a photovoltaic panel on a metal roof
Find out how to fix a solar panel to a metal roof: detailed diagram for a safe installation.
Fixing a photovoltaic panel to a tiled roof
Find out how to install a solar panel on a tiled roof: detailed diagram for optimal mounting.
Fixing a photovoltaic panel to a slate roof
Installing solar panels on a slate roof
Installation of a 24V off-grid solar kit
Wiring diagram for a photovoltaic system comprising one or two panels with gel storage and a charge controller
Installation and connection of the Sofar Solar ME3000SP inverter
Electrical connection diagram for the Sofar Solar ME3000SP 3 kVA inverter and electrical equipment
Three-phase assembly with 2 inverters requiring the same phase
Three-phase installation with 2 inverters requiring the same phase
Victron Energy 5 diagrams
Connecting two Multiplus Quattro units in parallel
Find out how to connect two Multiplus Quattro units in parallel: detailed diagram with wiring and tips for a reliable installation.
Victron three-phase installation: 24V
Find out how to install a Victron 24V three-phase system with gel batteries: detailed wiring diagram for a reliable installation.
3x Multiplus installation with 3x SMA inverters and OPzV batteries
Wiring diagram for OPzV batteries with 3 Victron converters and 3 SMA inverters
Wiring diagram for the Tiny House kit with Victron
Find out how to install a Victron system with Pylontech lithium storage: detailed wiring diagram for a reliable installation.
Victron MultiPlus-II GX 48V 5kVA wiring diagram
Find out how to install a system with two Victron MultiPlus-II GX 48V 5kVA inverters/chargers and Pylontech lithium storage: detailed wiring diagram for a reliable installation.
Inverter enclosures 3
Wiring diagram for single-phase inverter cabinet
Detailed wiring diagram for a single-phase solar inverter box. Wattuneed technical guide for off-grid photovoltaic installations.
Wiring diagram for three-phase inverter box
Wiring diagram for a three-phase inverter cabinet for solar installations. Wattuneed technical guide and connection diagram.
Wiring diagram for single-phase inverter cabinet without socket
Discover the wiring diagram for a single-phase inverter box without a socket. Clear guide to correctly installing a grid-tied inverter...
Surge protection boxes 2
Wiring diagram for a 16A single-phase AC surge protection box
Wiring diagram for a single-phase 16A AC surge protection box. Practical guide to protecting your photovoltaic system against power surges.
Wiring diagram for 32A single-phase AC surge protection box
Wiring diagram for a single-phase 32A AC surge protection box. A practical guide to protecting your photovoltaic system against power surges.
Feed-in limiter boxes 1
Wiring diagram for 63A injection limiter box
63A limiter box wiring diagram for photovoltaic installations. Connection diagram and Wattuneed technical guide.
Complete installations 2
Connection of 87 panels with 6 WKS inverters and Pylontech batteries
Connection diagram for 6 series of panels with 6 WKS Evo inverters and Pylontech lithium storage
Wiring diagram for Tiny Village: 6 WKS EVO MAX II inverters with lithium storage
Electrical connection of a photovoltaic system with 8 strings of panels connected to 6 inverters with Pylontech lithium storage
Standards and regulations for photovoltaic installations
All our diagrams are designed to comply with current regulations. Whether you are installing your solar system in France, Belgium or elsewhere in Europe, here are the main standards to be observed: