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RiiO Sun II User Manual Revision History Version Description A1.0 Initial Version Hardware Ver V2.0, Firmware Ver V1.00, Software Ver V1.00 A1.1 Hardware Ver V2.0, Firmware Ver V1.04, Software Ver V1.05 2.2.2 Connection Terminal “ComSYS”: delete ES100 2.2.2 Connection Terminal “ComMON Port Pin Definition”: Definition Change for Pin 4 and Pin 5 Add relevant information for RiiO Sun II 8kVA-S Add 2.3.2 Parallel and Three-phase...
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RiiO Sun II User Manual WARNING: HIGH VOLTAGE INSIDE CAUTION: THE DC FUSE MUST HAVE BEEN TURNED OFF BEFORE SERVICING MADE IN CHINA...
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RiiO Sun II User Manual Disclaimer Unless specially agreed in writing, TBB Renewable (Xiamen) Co., Ltd. Takes no warranty as to the accuracy, sufficiency of suitability of any technical or other information provided in this manual or other documentation. ...
RiiO Sun II User Manual 1. General Safety Instruction 1.1 Safety Instruction As dangerous voltage and high temperature exist within the RiiO Sun II all-in-one solar inverter, only qualified and authorized maintenance personnel are permitted to open and repair it. This manual contains information concerning the installation and operation of the RiiO Sun II all-in-one solar inverter.
2.1.1 General Description RiiO Sun II series all-in-one solar inverter (hereinafter referred to as RiiO Sun II) is a low-frequency transformer-based inverter integrated with multiple functions like battery inverter, AC charger, and MPPT charger, suitable for backup power and off-grid applications.
RiiO Sun II User Manual 2.1.2 Naming Rules Figure Explanation RiiO Sun II Series name 2KVA 2000W 3KVA 3000W 4KVA 4000W Indication of rated power 5KVA 5000W 6KVA 6000W 8KVA 8000W 24VDC Indication of rated DC voltage 48VDC 230VAC Indication of rated AC voltage 120Vac 2.2 Structure 2.2.1...
RiiO Sun II User Manual 2.2.2 Connection Terminal 2KVA-M, 3KVA-M, 3KVA-S, 4KVA-S, 2KVA-S-LV, 2KVA-M-LV, 3KVA-M-LV, 3KVA-S-LV, 4KVA-S-LV Power Port Name Description Note BAT+ Battery Positive Input M8 bolt BAT- Battery Negative Input AC IN AC Input ERTB10 terminal AC OUT AC Output ERTB10 terminal PV Input 1...
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RiiO Sun II User Manual V1.0 Name Description Note RiiO Li is a module for CAN communication with the lithium battery. RiiO Li is a standard accessory of RiiO Sun II. Mate Port RiiO Mate is a module for CAN communication among multiple units in parallel and for CAN communication with the lithium battery.
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RiiO Sun II User Manual Sample V2.0 Name Description Note 1. For multiple inverters running in parallel system or three-phase system. ComSync In 2. For connecting lithium battery BMS communication. 1. For multiple inverters running in parallel ComSync Out system or three-phase system.
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RiiO Sun II User Manual ComSync In Port Pin Definition (V2.0) Pin No. Definition For internal use, pins of ports connected to external devices must be suspended For internal use, pins of ports connected to external devices must be suspended RS485_A CAN_H CAN_L...
RiiO Sun II User Manual ComSYS Port Pin Definition Pin No. Definition RS485_A RS485_B BAT Sample Port Pin Definition Pin No. Definition Battery temperature sampling+ Battery temperature sampling- 2.2.3 Dimension Note: The dimensions are the same for both the V1.0 and V2.0 Appearance versions. 2KVA-M, 3KVA-M, 3KVA-S, 4KVA-S, 2KVA-S-LV, 2KVA-M-LV, 3KVA-M-LV, 3KVA-S-LV, 4KVA-S-LV...
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RiiO Sun II User Manual 5KVA-S, 6KVA-S 8KVA-S Figure 2-4 Dimension of RiiO Sun II...
RiiO Sun II User Manual 2.3 Function 2.3.1 Power Control and Power Assist RiiO Sun II offers a unique feature of power control & power assist, which is very useful when you have a limited grid supply or work with a generator. RiiO Sun II will take control of energy flow automatically, using extra power to charge the battery or discharge the battery to compensate the insufficient part of the grid or generator.
RiiO Sun II User Manual RiiO Sun II can automatically restart when the PV input is recovering. Full explanations are as follows: While the lead-acid battery is under low-voltage protection, and once the PV input is recovering, the lead-acid battery can be charged by the MPPT module, and RiiO Sun II can be woken up at the same time.
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RiiO Sun II User Manual Configurable) Configurable) Enable Flooded 14.7V 13.5V 0.15C 0.25C (15.5V) Enable Traction 15.2V 13.5V 0.15C 0.25C (16.2V) Customized 13.3V 13.1V 0.3C 1.0C User-defined / (48V system) (48V system) Lithium Battery Configurable) Configurable) without Communication TBB Lithium BMS Communication Set (General Can Communication Protocol for Residential Energy Storage Industry)
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RiiO Sun II User Manual Multi Chemical Batteries Available RiiO Sun II offers premium charging algorithm for the common chemical acid batteries, including AGM, GEL, Flooded, lead-carbon and Lithium battery. You can set the battery parameters through the LCD screen and the TBB Link software. Compatible with Lithium Battery RiiO Sun II supports working with general 48V lithium battery for residential energy storage.
RiiO Sun II User Manual During equalization, the battery generates potentially flammable gas. Follow all the battery safety precautions listed in this guide. Ventilate the area around the battery thoroughly and ensure that there are no sources of flame or sparks in the vicinity. Turn off or disconnect all loads on the battery during equalization.
RiiO Sun II User Manual 2.3.10 Protection Function RiiO Sun II is equipped with a series of complete hardware and software protection functions to ensure its stable and reliable operation. Overload Protection When overload protection is triggered, it will restart automatically after 60s. And after three consecutive overload shutdown protections, RiiO Sun II will not restart automatically.
RiiO Sun II User Manual 2.3.13 Maximum Power Point Tracking The output power of PV array is determined by the sun irradiation intensity and weather condition. The maximum power point varies a lot under different weather conditions. Maximum Power Point Tracking technology maximizes the harvest of PV energy for charging the battery.
RiiO Sun II User Manual 3. Installation and Wiring 3.1 Pre-installation Inspection 3.1.1 Check Outer Packing Check the outer packaging for damage before unpacking, and check if this is the correct model. If there is something wrong, please don’t open it and contact your dealer. ...
RiiO Sun II User Manual 3.2.2 Installation Space Requirements A good ventilation can guarantee the normal operation of equipment. Please always guarantee there is enough space around RiiO Sun II upon installation. > 300mm > 200mm > 200mm > 500mm >...
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RiiO Sun II User Manual Sun II with 2 M6 self-tapping screws. Figure 3-2 Illustration of installation Please double check RiiO Sun II is securely installed.
RiiO Sun II User Manual 3.4 Preparation Before Wiring 3.4.1 PV Array Preparation Each RiiO Sun II must be connected to its own PV array. Please find following maximum PV array that can be connected under various DC systems. The PV array configuration for RiiO Sun II 2KVA-M, 2KVA-M-LV, 3KVA-M and 3KVA-M-LV is recommended as follows: Max.
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RiiO Sun II User Manual (1) The voltage requirement should be greater than 63Vdc. 2KVA-S-LV (2) The current requirement should be greater than 75A. 3KVA-S (1) The voltage requirement should be greater than 63Vdc. 3KVA-S-LV (2) The current requirement should be greater than 75A. 4KVA-S (1) The voltage requirement should be greater than 63Vdc.
RiiO Sun II User Manual 3.4.3 Cable Preparation It is recommended to install RiiO Sun II with cables with insulation rating of at least Class Y (90℃). Minimum requirements on the cross-sectional area for the cables are shown in the Table 3-4. Table 3-3 Recommended Battery wiring Recommended DC wiring Length...
RiiO Sun II User Manual 3.5 Wiring Connect the ground wire firmly. Connect the corresponding communication cable according to the requirements of RiiO Sun II. When multiple units are to be connected in parallel, please replace the RiiO Li module with the RiiO Mate module (Com Port Ver V1.0).
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RiiO Sun II User Manual Step 2 V2.0 V1.0 RiiO Mate Step 6 Maximum torque: 1.5 Nm. Step 3 BATᅳ BAT+ Step 4 Step 1 Step 7 Step 5 Maximum torque: 12 Nm. Sample Maximum torque: 1.5 Nm. RiiO Sun II 2KVA-M, 3KVA-M, 3KVA-S, 4KVA-S RiiO Sun II 2KVA-S-LV, 2KVA-M-LV, 3KVA-M-LV, 3KVA-S-LV, 4KVA-S-LV...
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RiiO Sun II User Manual Step 2 V2.0 V1.0 Step 6 RiiO Mate Maximum torque: 1.5 Nm. Step 3 BATᅳ BAT+ Step 5 Step 4 Step 1 Step 7 Maximum torque: 12 Nm. Maximum torque: 15 Nm. Sample Maximum torque: 1.5 Nm. RiiO Sun II 5KVA-S RiiO Sun II 8KVA-S RiiO Sun II 6KVA-S...
RiiO Sun II User Manual 4. Configuration 4.1 Check Before Operation Please check before Operation according to the following. RiiO Sun II is installed correctly and firmly. Reasonable cable layout to meet customer requirements. Make sure the grounding is reliable. ...
RiiO Sun II User Manual 5. Operation Operation and Display Panel The operation and display panel includes four buttons and a LCD display, indicating the operating status and input/output power information. Invert Charge Fault Operation Button DOWN ENTER LED Indicator V1.0 V2.0 Button Function...
RiiO Sun II User Manual LED Indicator V2.0 LED Indicator Function Solid On Inverting mode. Invert Blue Flashing Power Assist mode or Bypass Assist mode. Solid On The battery is charging. Charge Green Flashing The battery is fully charged. Warning Yellow Solid On Warning occurs.
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RiiO Sun II User Manual Left Display Area Central Display Area Right Display Area PV voltage AC Out1 voltage AC IN input voltage PV power AC Out1 current AC IN output current Battery charge current AC Out1 power AC IN output power Battery discharge current AC Out2 voltage AC IN frequency...
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RiiO Sun II User Manual Right parameter display area Indicates the voltage, current, frequency, apparent power, active power, the percentage of power used to power loads, temperature and other information related to of the AC input. Indicates a fault or warning. Indicate the type of code, classified into warning code and fault code.
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RiiO Sun II User Manual Battery information Indicates the battery status, and the display icons can be divided into: Charge mode: Indicates the SOC of battery. Discharge mode: Indicates the SOC of battery. SOC status 1: 0~3% SOC status 2: 4~24% SOC status 3: 25~49% SOC status 4: 50~74% SOC status 5: 75~100%...
RiiO Sun II User Manual 5.3 Quick Query Interface On the main page, by short pressing the <Enter> button you can access the quick query page to view the phase sequence of each device and the device address in the phase when multiple devices are connected in parallel, as shown in the image below.
RiiO Sun II User Manual Left Display Area Central Display Area Right Display Area When “Fault Code” is indicated above the circle, the value displayed refers to the fault code. When “Warning Code” is indicated, the value displayed refers to the warning code. 5.5 Setting Interface In the status display mode, long press the <Enter>...
RiiO Sun II User Manual Left Display Area Central Display Area Right Display Area Code of item Value of item Instructions on Item Settings 5.5.1 When you are sure that an item needs to be modified, you can press the <Enter> button to make the modification in real time.
RiiO Sun II User Manual Left Display Area: The outer circle is solid on, and the digital tube displays the code of the item. Central Display Area: The underline flashes, and the digital tube displays the value corresponding to the item. Press the <Up>...
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RiiO Sun II User Manual 1-Phase-U (L1) 2-Phase-V (L2) 3-Phase-W (L3) Parallel phase Default: 1 (Can be set in standby mode ONLY under parallel and three-phase system) Default: 1 Parallel address (Can be set in standby mode ONLY under parallel system) (The trigger will take effect with single press of <Enter>...
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RiiO Sun II User Manual 5~Min{Maximum charging capacity of a single unit: battery Ah * charging rate} Step: 1A Maximum charging current Default: 30A (This is the maximum charging current provided by AC bypass + PV together) Refer to the equalization voltage range for different battery types.
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RiiO Sun II User Manual 0-OFF 1-ON Default: 0 Battery equalization control (Can be set in float charging) (Available when battery type is set to 3-Flooded or 4-Traction) 15.5~16.3V Battery equalization voltage Step: 0.1V Default: 15.5V/(12V/cell) 30~90min Battery equalized time Step: 5min Default: 30min Parameters for AC in settings...
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RiiO Sun II User Manual Parameters for mode settings USB: Solar energy charges the battery first and powers the loads if there is any surplus. RiiO Sun II is connected to the utility and provides supplementary power to charge the battery and power the loads.
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RiiO Sun II User Manual 15%~60% @ SBU 15%~90% @ SUB 15%~80% @ SB Battery reserved capacity Step: 1% Default: 20%@SBU 80%@SUB 20%@SB 0-Disable 1-Enable UPS Mode Default:1 (Can be set in standby mode ONLY) 0-Disable 1-Enable Common neutral line Default: 0 (Can be set in standby mode ONLY) 0-Disable...
RiiO Sun II User Manual 6. FAQ 6.1 Fault Code Fault Code Fault Event Solution Inverter fault code Check whether battery is well connected and DC bus is over voltage. whether there is any other connected charger that causes the battery overvoltage. Check whether battery wires are connected DC bus is under voltage.
RiiO Sun II User Manual Battery is over voltage. Check battery voltage and wiring connection at the output terminal. Battery hardware is over voltage. Check if there is a short circuit at the MPPT Buck is short circuited. output. Check the MPPT output connections and Buck 1 is over current.
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RiiO Sun II User Manual (Parameter Sync) Synchronization overtime Check the parallel parameter settings or trigger the Parameter Sync on the slave unit. The system mode and the Check the inverter parameter settings (Smart parameter settings do not Port). match. Parallel system or three Check whether the AC output of each inverter system's AC output is...
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RiiO Sun II User Manual Lithium module's temperature is Consult the lithium battery supplier. too high. Lithium module's temperature is Consult the lithium battery supplier. too low. Lithium module's discharge Consult the lithium battery supplier. current is over normal value. Lithium module's charge current Consult the lithium battery supplier.
RiiO Sun II User Manual 7. Specification Series name RiiO Sun II Model 2KVA-M 3KVA-M 3KVA-S 4KVA-S 5KVA-S 6KVA-S 8KVA-S Power Assist AC input voltage range (VAC) 175~265 AC input Frequency range (Hz) 45~65 AC input Current (A) Inverter Nominal battery voltage (V) Input voltage range (V) 21-34 42~68...
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RiiO Sun II User Manual Series name RiiO Sun II Model 2KVA-M-LV 3KVA-M-LV 2KVA-S-LV 3KVA-S-LV 4KVA-S-LV Power Assist AC input voltage range (VAC) 85~140 AC input Frequency range (Hz) 45~65 AC input Current (A) Inverter Nominal battery voltage (V) Input voltage range (V) 21-34 42~68 AC output voltage (VAC)
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