Electronics

RIIO SUN II – HYBRID ENERGY SYSTEM

Riio Sun II is a hybrid inverter designed for solar self-consumption, energy storage and off-grid systems, featuring a low-frequency transformer-based architecture with parallel and three-phase configurations up to 54 kVA.
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Riio Sun II is a hybrid energy system designed for solar self-consumption with batteries, energy storage and off-grid solar installations.

It integrates inverter, battery charger, MPPT solar charge controller and automatic transfer switch into a single unit, simplifying system design and making installation easier.

Its low-frequency transformer-based architecture provides greater robustness and reliability, while enabling parallel configurations and three-phase systems up to 54 kVA, making it a flexible solution for both residential and commercial applications.

 

A complete all-in-one system

 

Riio Sun II combines the main functions required to manage a solar energy system:

  • Pure sine wave inverter
  • Battery charger
  • MPPT solar charge controller
  • High-speed automatic transfer relay

This integration reduces the number of devices required, simplifies installation and improves overall system reliability.
   

Designed for a wide range of applications

 

Riio Sun II is a versatile solution that can be adapted to different types of installations:

  • Solar self-consumption with batteries
  • Off-grid solar systems
  • Grid-connected hybrid systems
  • Backup power systems
  • Rural electrification

It can also optionally operate without batteries, using solar energy to directly supply the loads.
   

Expandable and flexible system

 

The system can easily be expanded using parallel and three-phase configurations, allowing up to 9 units to be connected for systems up to 54 kVA.

 

This makes it possible to start with a smaller installation and expand it progressively according to energy needs or budget.
   

Advanced energy management features

 

Riio Sun II includes advanced features to manage different energy flows:

  • AC Coupling, enabling the integration of grid-connected inverters to maximize self-consumption
  • Power Assist, combining battery power with generators or the grid to cover peak demand
  • Power Control, limiting the power drawn from generators or the grid
  • AGS (Auto Generator Start) for automatic generator start

These functions optimize the use of available energy and improve overall system stability.
   

Smart management and monitoring

 

iio Sun II can be easily configured and monitored through:

  • Mobile application
  • Remote system monitoring via the NOVA web platform

This allows users to control system operation, optimize performance and simplify maintenance from anywhere.

 

Thanks to its all-in-one architecture and advanced energy management features, Riio Sun II enables the design of reliable, scalable and easy-to-install solar energy systems.

Key features include:

  • Integrated hybrid system with inverter, charger and MPPT solar controller
  • Low-frequency transformer-based architecture
  • Parallel and three-phase operation (up to 9 units / 54 kVA)
  • Compatible with lithium and lead-acid batteries
  • Optional battery-less operation
  • 2 MPPT trackers on 5 kVA and 8 kVA models
  • AC Coupling
  • Power Assist and Power Control for limited AC sources
  • Automatic generator start (AGS)
  • Ultra-fast transfer time (4 ms) for critical loads
  • Remote monitoring and control via Web and NOVA App
  • High efficiency: inverter up to 94%, MPPT up to 98%
  • Extremely low self-consumption

  Riio Sun II 1 kVA-L Riio Sun II 1,5kVA-M Riio Sun II 2 kVA-M Riio Sun II 3 kVA-M Riio Sun II 2 kVA-S Riio Sun II 3 kVA-S Riio Sun II 5 kVA-S Riio Sun II 8 kVA-S
Electrical Specifications
PowerAssist Yes
AC input range 175 - 265 Vac (45-65 Hz)
AC input Current / Transfer Swithc 16 A 16 A 32 A 32 A 20 A 32 A 50 A 50 A
Inverter
Nominal input voltage 12 V 24 V 48 V
DC input voltage range 10,5 - 17 V 21 - 34 V 42 - 68 V
AC Output 230 Vac ± 2%
Frequency 50 Hz / 60 Hz
Cont. Output Power at 25 ºC 1000 VA 1500 VA 2000 VA 3000 VA 2000 VA 3000 VA 5000 VA 8000 VA
Max. Output power at 25 ºC 1000 W 1500 W 2000 W 3000 W 2000 W 3000 W 5000 W 8000 W
Peak Power  2000 W 3000 W 4000 W 6000 W 4000 W 6000 W 10000 W 16000 W
Maximum efficiency 89 % 91 % 91 % 91 % 93 % 93 % 94 % 95 %
Zero load power 12 W 12 W 13 W 17 W 14 W 17 W 22 W 32 W
Charger
Charge voltage, absorption 14,4 V 28,8 V 57,6 V
Charge voltage, float 13,8 V 27,6 V 55,2 V
Battery Types     Stationary / AGM / GEL / Lead-Carbon / Li-Ion / Traction
Max. charge current 40 A 35 A 40 A 70 A 20 A 35 A 60 A 90 A
Temperature compensation Yes
Solar Charge controller
Max. Output current 60 A 60 A 80 A 80 A 40 A 60 A 100 A 100 A
Max. PV open circuit voltage 150 V 150 V 150 V 150 V 250 V 250 V 250 V 250 V
MPPT Voltage range 30 - 145 V 40 - 145 V 40 - 145 V 40 - 145 V 65 - 245 V 65 - 245 V 65 - 245 V 65 - 245 V
Number of MPPT Trackers 1 1 1 1 1 1 2 2
Max. PV current per tracker 36 A 36 A 36 A 36 A 36 A 36 A 36 + 36 A 36 + 36 A
Max PV shortcircuit current per tracker 40 A 40 A 40 A 40 A 40 A 40 A  40 + 40 A 40 + 40 A
Max PV power per tracker 1200 W 2300 W 3600 W 3600 W 2300 W 5200 W 4400 + 4400 W 4400 + 4400 W
Absorption voltage 14,4 V 28,8 V 28,8 V 28,8 V 57,6 V 57,6 V 57,6 V 57,6 V
Float voltage 13,8 V 27,6 V 27,6 V 27,6 V 55,2 V 55,2 V 55,2 V 55,2 V
Max charger efficiency 98 %
MPPT efficiency > 99,5 %
Protections

Output short circuit; Overload; Battery voltage too high; Battery voltage too low; Temperature too high; Input voltage out of range
General data
AC output current 16 A 16 A 32 A 32 A 20 A 32 A 50 A 50 A
Smart Port output current NA NA NA NA NA NA 50 A 50 A
Transfer time 4 ms (<15 ms in save energy mode)
Protections

Output short circuit; Overload; Battery voltage too high; Battery voltage too low; Temperature too high; Input voltage out of range; Input voltage ripple too high; Fan block.
Communication port RS485 (WLAN Optional)
Programmable relay 1 x (30 Vdc / 3A or 250 Vac / 3 A)
Operating temperature range -20 to 65 ºC
Humidity 95 % without condensation
Altitude max 2000 mts.
Mechanical data
Dimmensions 462 x 255 x 144 mm 462 x 255 x 144 mm 499 x 272 x 144 mm 499 x 272 x 144 mm 462 x 255 x 144 mm 499 x 272 x 144 mm 570 x 310 x 154 mm 610 x 320 x 164 mm
Weight 12 kgr 13 kgr 14 kgr 18 kgr 14 kgr 18 kgr 29 kgr 34 Kgr
Cooling Forced fan
Protection grade IP21
Standards
Security

EN-IEC 60335-1, EN-IEC 60335-2-29, EN-IEC 62109-1, EN-IEC 62109-2
EMC

EN-IEC 61000-6-1, EN-IEC 61000-6-2, EN 61000-6-3, EN 61000-6-4 EN 61000-3-11, EN 61000-3-12

 

Catálogo Riio Sun II

pdf RiiO_Sun_II_All_in_One_Bornay_es_V1.7.pdf ( 1.2 MiB )

Certificado Red España Riio Sun II 2 - 4 kVA M / S

pdf RiiO Sun II 2KVA-4KVA-M S Spain Grid Regulation Certificate.pdf ( 294.11 KiB )

Certificado Red España Riio Sun II 5 - 6 kVA S

pdf RiiO Sun II 5KVA-S&6KVA-S Spain Grid Regulation Certificate.pdf ( 1.01 MiB )

Certificado Red España Riio Sun II 8 kVA S

pdf RiiO Sun II 8KVA-S Spain Grid Regulation Certificate.pdf ( 282.64 KiB )

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  • Riio Sun II Monitor E4.png
  • Riio Sun II Nova.png

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