The RiiO Sun II is a versatile transformer-based all-in-one solar inverter, expertly designed for backup power, off-grid, and energy storage system (ESS) applications. This compact unit integrates a pure sine wave inverter, battery charger, MPPT solar charge controller, and a rapid 4ms automatic transfer switch, ensuring continuous operation for critical loads during outages while handling high surge loads with ease.

Key Functions:

1. Comprehensive All-in-One Design: The RiiO Sun II combines multiple functionalities into one compact casing, including a pure sine wave inverter, advanced dual MPPT solar charge controller, and an efficient battery charger. This design simplifies installation and optimizes performance in various applications.

2. High Surge Capacity: Engineered to handle significant surge loads, the RiiO Sun II guarantees uninterrupted operation of essential appliances during power outages, providing peace of mind for off-grid living or backup scenarios. With a swift 4ms transfer time, it quickly switches to battery power during outages, ensuring your critical appliances remain operational.

3. Enhanced Flexibility: The RiiO Sun II can be configured in parallel with up to 3 units in singles phase applications, or up to 9 units in three-phase applications, achieving a maximum output of 45KVA. It features a built-in smart port for generator input or a second AC output, which enhances system versatility.

4. Dual MPPT Technology: Equipped with two MPPT trackers, the inverter supports flexible system design, allowing for efficient energy harvesting from multiple solar arrays. With a maximum PV open circuit voltage of up to 250V, it optimizes energy yields, ensuring reliable and consistent performance for various installation scenarios.

5. ESS and Grid-Tie Capabilities: The RiiO II inverter seamlessly integrates with the E4 LCD Monitor and IC-METER, unlocking advanced Energy Storage System (ESS) and grid-tie functionalities. This allows for maximising self-consumption which helps lower electricity bills through advanced peak shaving and time-of-use management. Additionally, it enables grid feed-in for utility credits, providing economic advantages for users.

Additional Intelligent Features:

• AGS Functionality: The Automatic Generator Start (AGS) function ensures efficient operation by activating the generator only when necessary, optimizing energy use.
• Power Assist and Control for generators: Power assist enables a small generator to handle heavy loads by supplementing its capacity when needed. Power control ensures the generator operates at its optimal consumption level, maintaining a consistent output to significantly reduce fuel consumption.
• User-Friendly Monitoring: Local monitoring is made easy through the optional E4 LCD Monitor, while remote monitoring and control capabilities via Nova Web and the mobile app allow for convenient management from anywhere.
• Reliable Operation: The inverter features a 4ms ultra-fast switch to battery power, ensuring swift response during power interruptions. Additionally, it operates with an ECO Mode to prolong backup time while maintaining extremely low self-consumption.
• Superior Efficiency: With a maximum inverter efficiency of 94% and a maximum MPPT efficiency of 98%, the RiiO Sun II delivers optimal performance, maximizing energy capture and utilization.
• Easy Operation & Maintenance: The all-in-one design facilitates straightforward installation and maintenance, ensuring hassle-free operation. The inverter automatically restarts when the PV or AC power is restored, guaranteeing continuous availability.
• 50A transfer switch: The AC transfer switch inside the RiiO Sun-II is rated up to 50A, allowing for up to 11.5kW of power to be passed through to the loads from the AC input when the inverter is in bypass.

Compatibility:

This solar inverter is compatible with a range of lead-acid and lithium batteries, as well as many generator brands, making it a versatile choice for various energy needs. Its ability to work without a battery offers added flexibility for users seeking different operational configurations.

Please note: The option to work without a battery is only for single-use application with stable AC bypass supply, PV energy as a supplement for AC bypass.

For detailed specifications and compatibility information, refer to the Details and Specifications tab.

Inverter specifications:

• Nominal battery voltage: 48V
• Continuous power output: 5000W/5000VA (220-240V AC)
• Peak power: 10000W
• AC Output frequency: 50/60Hz
• Output waveform: Pure sine wave
• Maximum mains AC charging current: 60A
• AC transfer current: 50A
• Peak efficiency: 94%
• Zero load power: 22W
• Maximum solar output current: 100A (50A per tracker)
• Maximum charge power: 5760W @57.6V (2880W @57.6V per tracker)
• Maximum PV open circuit: 250V
• Maximum PV power per tracker: 4400W + 4400W
• MPPT voltage range: 65 - 245V
• Peak MPPT efficinecy: 98%
• Protection index: IP21
• Operating temperature: -20°C to 65°C
• Humity: 95% without condensation
• Altitude: <2000m
• Size: 570 x 310 x 154 mm
• Weight: 29 kg

This product is covered by a 5 year manufacturer warranty. For more information please refer to our Terms and Conditions.

This product comes with a detailed user manual which explains wiring and operations (see Documents tab).

If you need help with installation or have any technical questions we can provide FREE support - please contact us by email or phone (see Contact Us page for more information).

The following documents are available to download:

User manual for RIIOSUN-II-48-5K Inverter Charger

Datasheet for RIIOSUN-II-48-5K Inverter Charger