1. Introduction
The SRNE ASP series solar energy storage inverter is an all-in-one control inverter that integrates solar energy storage, utility charging, energy storage, and AC sine wave output. It utilizes DSP control for high response speed, reliability, and industrial standard performance through an advanced control algorithm.
This manual provides important information, guidelines, operation, and maintenance for the SPI-10K-SP, SPI-8K-SP, and SPI-12K-SP models. Please follow these instructions during installation, use, and maintenance.
2. Safety Instructions
This chapter contains important safety instructions. Please read and keep this manual for future reference.
- Always comply with local requirements and regulations for inverter installation.
- Beware of high voltage. Turn off the switch of each power source before and during installation to avoid electric shock.
- For optimum operation, follow required specifications to select appropriate cable size and necessary protective devices.
- Do not connect or disconnect any connections while the inverter is operating.
- Do not open the terminal cover when the inverter is working.
- Ensure the inverter is properly grounded.
- Never short-circuit AC output and DC input.
- Do not disassemble this unit. For all repair and maintenance, take it to a professional service center.
- Never charge a frozen battery.
2.1 Safety Symbols
| Symbol | Description |
|---|---|
| DANGER | Indicates hazardous situations which if not avoided will result in death or serious injury. |
| WARNING | Indicates hazardous situations which if not avoided could result in death or serious injury. |
| CAUTION | Indicates hazardous situations which if not avoided could result in minor or moderate injury. |
| NOTICE | Provides tips on product operation. |
3. Product Overview
The SRNE ASP series inverter is designed for solar energy storage systems. Key features include:
- Supports lead-acid and Li-ion battery connections.
- Dual activation function for dormant Li-ion batteries (mains or PV).
- Supports single-phase parallel and parallel three-phase pure sine wave output.
- Compatible with 200, 208, 220, 230, and 240Vac voltage levels.
- Two solar inputs with simultaneous tracking of two solar maximum power charging/carrying capacity functions.
- Dual MPPT with 99.9% efficiency and maximum 22A current per circuit, suitable for high-power modules.
- Four charging modes: solar only, mains priority, solar priority, and mixed mains/PV charging.
- Time-slot charging and discharging settings for off-grid and hybrid grid-connected modes.
- Stand-alone energy-saving mode to reduce no-load energy losses.
- Two output modes: utility bypass and inverter output with uninterrupted power supply.
- LCD large screen dynamic flow diagram for easy system data and status monitoring.
- 360° protection: short circuit, over current, over/under voltage, overload, etc.
- Supports CAN, USB, and RS485 communication.
- N grounding option.
3.1 System Connection Diagram
A complete system consists of PV modules, utility grid/generator, battery, home load, and the inverter. The actual application scenario determines the specific wiring method.
3.2 Production Overview (Components)
| No. | Component | No. | Component | No. | Component |
|---|---|---|---|---|---|
| 1 | LCD screen | 2 | LED indicator | 3 | Physical button |
| 4 | ON/OFF rocker switch | 5 | PV input (1/1) | 6 | Battery (+) |
| 7 | Battery (-) | 8 | Dry contact | 9 | RS485/CAN port |
| 10 | RS48-1 port | 11 | USB-B port | 12 | Grounding screw |
| 13 | AC output (L+N) | 14 | AC input (L+N) | 15 | AC input circuit breaker |
| 16 | Parallel communication port |
4. Setup
4.1 Installation Location
The SPI series is for indoor use only (protection level: IP20). When selecting an installation location, consider the following:
- A solid wall capable of supporting the inverter's weight.
- Installation height: flush with the line of sight for easy access and viewing.
- Sufficient heat dissipation space around the unit.
- Ambient temperature: -10°C to 55°C (14°F to 131°F) for optimal operation.
WARNING:
- Do not install the inverter near highly flammable materials.
- Do not install the inverter in potentially explosive areas.
- Do not install the inverter and lead-acid battery in enclosed spaces.
- Do not install the inverter in direct sunlight.
- Do not install or use the inverter in damp environments.
4.2 Inverter Installation
Mark 4 mounting holes on the wall according to the specified dimensions. Insert two expansion screws above and two M5 size screws below for fixing the inverter.
4.3 Removal of Terminal Cover and Insect-Proof Net
Remove the terminal cover and insect-proof net with a screwdriver for wiring or cleaning. Regularly clean the dustproof net to avoid blocking airflow, which can cause overheating.
4.4 Parallel Wiring
The inverter supports parallel operation of up to six units. When using the parallel function, ensure the parallel communication cable (packaging accessory) is connected correctly and reliably.
WARNING: Cautions for Parallel Connection
- PV Wiring: In parallel connection, the PV array of each inverter must be independent. The PV array of PV1 and PV2 for one inverter must also be independent.
- Battery Wiring: All solar storage inverters must be connected to the same battery. BAT+ to BAT+ and BAT- to BAT-. Before power on, check and ensure correct connection, wiring length, and cable size to avoid abnormal operation.
- AC OUT Wiring: For single-phase parallel connection, all inverters must be connected L-to-L, N-to-N, and PE-to-PE. For three-phase, N-to-N and PE-to-PE, with L lines of all inverters in the same phase connected together. Ensure correct connection, wiring length, and cable size.
- AC IN Wiring: All solar storage inverters must be connected L-to-L, N-to-N, and PE-to-PE. Ensure correct connection, wiring length, and cable size. Multiple different AC source inputs are not allowed.
- Communication Wiring: Use a DB15 standard computer cable with shielding. Connect the male connector (out) of one inverter to the female connector (in) of the parallel inverter. Tighten DB15 terminal screws to prevent disconnections.
- System Wiring Diagrams: Carefully refer to the system wiring diagrams to ensure all wiring is correct and reliable before power on.
- Adding Inverters: If adding a new inverter to an already operating system, disconnect battery input, PV input, AC input, and AC output, and ensure all solar storage inverters are powered off before reconnecting.
4.4.1 Single-Phase Parallel Connection Guide Diagram
The parallel communication line and even flow detection line of the inverse control unit need to be connected after screw locking.
4.4.2 Three-Phase Parallel Connection Guide Diagram
The parallel communication line of the inverters needs to be connected and then screwed and locked.
4.5 Cable and Circuit Breaker Model
Refer to the table below for recommended cable sizes and circuit breaker models for PV input, AC input, battery, and AC output connections.
| Connection | Model | Cable Size | Max. Current | Circuit Breaker Model |
|---|---|---|---|---|
| PV INPUT | SPI-8K-SP | 5 mm²/10 AWG | 22 A | 2P-25A |
| SPI-10K-SP | 5 mm²/10 AWG | 22 A | 2P-25A | |
| SPI-12K-SP | 5 mm²/10 AWG | 22 A | 2P-25A | |
| AC INPUT | SPI-8K-SP | 13 mm²/6 AWG (L/N) | 63A (L/N) | 2P-63A |
| SPI-10K-SP | 13 mm²/6 AWG (L/N) | 63A (L/N) | 2P-63A | |
| SPI-12K-SP | 13 mm²/6 AWG (L/N) | 63A (L/N) | 2P-63A | |
| BATTERY | SPI-8K-SP | 34 mm²/2 AWG | 180 A | 2P-200A |
| SPI-10K-SP | 42 mm²/1 AWG | 200 A | 2P-250A | |
| SPI-12K-SP | 42 mm²/1 AWG | 200 A | 2P-250A | |
| AC OUTPUT | SPI-8K-SP | 13 mm²/6 AWG (L/N) | 63A (L/N) | 2P-63A |
| SPI-10K-SP | 13 mm²/6 AWG (L/N) | 63A (L/N) | 2P-63A | |
| SPI-12K-SP | 13 mm²/6 AWG (L/N) | 63A (L/N) | 2P-63A |
NOTICE: The wire diameter is for reference only. If the distance between the PV array and the inverter or between the inverter and the battery is long, using a thicker wire will reduce voltage drop and improve system performance.
4.6 AC Input and Output Wiring
Connect the fire wire, zero wire, and ground wire according to the positions and order shown in the diagram.
DANGER:
- Before connecting AC input and output, disconnect the circuit breaker to avoid electric shock. Do not conduct live operation.
- Ensure cables meet requirements. Too thin or poor quality cables pose serious safety hazards.
4.7 Battery Connection
Connect the positive and negative cables of the battery according to the diagram.
DANGER:
- Before connecting the battery, disconnect the circuit breaker to avoid electric shock. Do not conduct live operation.
- Check positive and negative terminals for correct and no reverse connection; otherwise, it may damage the inverter.
- Ensure cables meet requirements. Too thin or poor quality cables pose serious safety hazards.
4.8 PV Connection
Connect the positive and negative wires of the two strings of PV according to the diagram.
DANGER:
- Before connecting PV modules, disconnect the circuit breaker to avoid electric shock. Do not conduct live operation.
- Ensure the open circuit voltage of series-connected PV modules does not exceed the maximum open circuit voltage of the inverter (500 V for SPI series); otherwise, the inverter may be damaged.
4.9 Dry Contact Wiring
Use a small-sized screwdriver to push back in the direction indicated by the arrow, then insert the communication cable into the dry contact port. (Communication cable section: 0.2 mm² – 1.5 mm²)
4.10 Grounding Connection
Ensure the grounding terminal is reliably connected to the grounding busbar.
NOTICE: The grounding cable size shall not be less than 4 mm².
4.11 Final Assembly
After ensuring reliable wiring and correct wire sequence, install the terminal protection cover in place.
4.12 Inverter Start
After confirming reliable wiring and correct wiring sequence, restore the terminal cover to its original position.
- Step 1: Close the circuit breaker of the battery.
- Step 2: Press the rocker switch at the bottom of the inverter. The screen and indicator will light up, indicating the inverter is enabled.
- Step 3: Close the circuit breakers for PV input, AC input, and AC output in sequence.
- Step 4: Start loads one by one in order of power from small to large.
5. Operating
5.1 Operation and Display Panel
The inverter's operation and display panel includes an LCD screen, three indicators, and four physical buttons.
5.1.1 Physical Buttons
| Button | Description |
|---|---|
| SET | Enter/Exit the setup menu |
| UP | Go to the next option |
| DOWN | Go to the previous option |
| ENTER | Confirm/Enter the option in setup menu |
5.1.2 LED Indicators
| Indicator | Color | Description |
|---|---|---|
| AC/INV | Yellow | Normally ON: mains bypass output Flash: inverter output |
| CHARGE | Green | Normally ON: charging completed Flash: charging |
| FAULT | Red | Normally ON: level-1 fault Flash: level-2 fault OFF: level-3 or level-4 fault |
5.1.3 Display Screen Icons
The LCD screen displays various icons representing system status, power flow, and settings. Refer to the manual for a complete list of icons and their meanings.
5.2 Settings
The inverter offers a comprehensive setup menu to configure various parameters. Access the setup menu using the physical buttons.
NOTICE: Users can change the output voltage via the setup menu. Output voltage corresponds to parameter 38, which can be set from 200V to 240V.
5.2.1 AC Output Mode
The AC output mode corresponds to parameter setting item 01 and 34, allowing the user to manually set the AC output power source.
- Utility Priority Output (UTI): Utility is first priority. Utility and solar provide power to load simultaneously when solar is available. Battery provides power only when utility power is not available. (Priority: utility > solar > battery)
- Solar and Utility Hybrid Output (default): In UTI mode, when not connected to the battery or when the battery is full, solar and utility supply power to the load simultaneously. (Priority: solar > utility > battery)
- Solar Priority Output (SOL): Solar provides power to loads as first priority. If solar is not available, the utility grid provides power. This mode maximizes solar energy use while maintaining battery power and is suitable for areas with stable power grids. (Priority: solar > utility > battery)
- Inverter Priority Output (SBU): Solar provides power to loads as first priority. If solar is insufficient or unavailable, the battery is used as a supplement. When battery voltage reaches parameter 04 (Voltage point of battery switch to utility), it switches to utility. This mode maximizes DC energy use in areas with stable grids. (Priority: solar > battery > utility)
5.2.2 Battery Charging Mode
The charging mode corresponds to parameter setting item 06, allowing manual selection.
- Hybrid Charging (SNU - default): Solar and utility charge the battery simultaneously, with solar as first priority. Utility supplements when solar is insufficient. This is the fastest charging method, suitable for areas with low power supply. (Source priority: solar > utility)
- Only Solar Charging (OSO): Solar charging only, no mains charging activated. This is the most energy-efficient method, with all battery power from solar, typically used in areas with good radiation conditions.
5.2.3 Timed Charge/Discharge Function
The SPI series features a time-slot charging and discharging function, allowing users to set periods based on local peak and valley tariffs to optimize utility and PV energy use.
The time-slot charging/discharging function can be enabled/disabled via setup menu parameters 46 and 53. Charging and discharging slots are set in parameters 40-45 and 47-52.
- Timed Charge and Loading Function: With 3 definable periods, users can set the mains charge/loading period (00:00-23:59). During this period, PV energy is used first; if insufficient, mains supplement.
- Timed Battery Discharge Function: With 3 definable periods, users can set the battery discharge period (00:00-23:59). During this period, the inverter first uses battery power; if battery power is insufficient, it automatically switches to mains.
5.2.4 Battery Parameters
The inverter supports various battery types, including Lead-acid and Li-ion. Parameters can be configured for each type.
Lead-acid Battery Parameters
| Parameter/Battery Type | Sealed Lead-acid Battery (SLD) | Gel Lead-acid Battery (GEL) | Flooded Lead-acid Battery (FLD) | User-defined Battery (USE) |
|---|---|---|---|---|
| Overvoltage disconnect voltage | 60 V | 60 V | 60 V | 60 V |
| Equalizing charge voltage | 58 V | 56.8 V | 58 V | 40 V–60 V (settable) |
| Boost charge voltage | 57.6 V | 56.8 V | 57.6 V | 40 V–60 V (settable) |
| Floating charge voltage | 55.2 V | 55.2 V | 55.2 V | 40 V–60 V (settable) |
| Under-voltage alarm voltage | 44 V | 44 V | 44 V | 40 V–60 V (settable) |
| Under-voltage disconnect voltage | 42 V | 42 V | 42 V | 40 V–60 V (settable) |
| Discharge limit voltage | 40 V | 40 V | 40 V | 40 V–60 V (settable) |
| Over-discharge delay time | 5s | 5s | 5s | 1s–30s (settable) |
| Equalizing charge duration | 120 min | - | 120 min | 0 min–600 min (settable) |
| Equalizing charge cycle | 30 d | - | 30 d | 0 d–250 d (settable) |
| Boost charge cycle | 120 min | 120 min | 120 min | 10 min–600 min (settable) |
Li-ion Battery Parameters
| Parameter/Battery Type | Ternary Li-ion Battery (N13/N14) | LFP Battery (L16/L15/L14) | User-defined Battery (USE) |
|---|---|---|---|
| Overvoltage disconnect voltage | 60 V | 60 V | 60 V |
| Equalizing charge voltage | - | - | 40 V–60 V (settable) |
| Boost charge voltage | 53.2 V / 57.6 V | 56.8 V / 53.2 V / 49.2 V | 40 V–60 V (settable) |
| Floating charge voltage | 53.2 V / 57.6 V | 56.8 V / 53.2 V / 49.2 V | 40 V–60 V (settable) |
| Under-voltage alarm voltage | 43.6 V / 46.8 V | 49.6 V / 46.4 V / 43.2 V | 40 V–60 V (settable) |
| Under-voltage disconnect voltage | 38.8 V / 42 V | 48.8 V / 45.6 V / 42 V | 40 V–60 V (settable) |
| Discharge limit voltage | 36.4 V / 39.2 V | 46.4 V / 43.6 V / 40.8 V | 40 V–60 V (settable) |
| Over-discharge delay time | 30s | 30s | 1s–30s (settable) |
| Equalizing charge duration | - | - | 0 min–600 min (settable) |
| Equalizing charge cycle | - | - | 0 d–250 d (settable) |
| Boost charge cycle | 120 min (settable) | 120 min (settable) | 10 min–600 min (settable) |
NOTICE: If no BMS is connected, the inverter will charge according to the battery voltage with a preset charging curve. When the inverter communicates with the BMS, it will follow the BMS instructions to perform a more complex stage charging process.
6. Communication
6.1 Overview
The inverter provides several communication ports for monitoring and control.
6.2 USB-B Port
The USB-B port allows users to read and modify device parameters using host software. Contact the manufacturer for the host software installation package if needed.
6.3 RS485-1 Port
The RS485-1 port connects to a Wi-Fi/GPRS data acquisition module, enabling users to view the inverter's operating status and parameters via a mobile phone app.
6.4 RS485/CAN Port
The RS485/CAN port is used to connect to the BMS (Battery Management System) of Li-ion batteries.
NOTICE: If the inverter needs to communicate with a lithium battery BMS, contact the manufacturer for the communication protocol or to upgrade the inverter to the corresponding software program.
6.5 Dry Contact
The dry contact port has four functions: remote switch on/off, switching signal output, battery temperature sampling, and generator remote start/stop.
| Function | Description |
|---|---|
| Remote ON/OFF (Reserve) | When pin 1 is connected to pin 2, the inverter will turn off the AC output. When disconnected, the inverter is in normal output. |
| ON/OFF signal output (Reserve) | When battery voltage reaches discharge limit voltage (parameter 15), voltage between pin 3 and pin 1 is 0 V. In normal charge/discharge, voltage between pin 3 and pin 1 is 5 V. |
| Temperature sampling (reserved) | Pins 1 and 4 can be used for battery temperature sampling compensation. |
| Remote generator start/stop | When battery voltage reaches under-voltage alarm voltage (parameter 14) or mains switch threshold (parameter 04), pins 6 to 5 are normally open, and pins 7 to 5 are normally closed. When battery voltage reaches mains switch threshold (parameter 05) or battery is fully charged, pins 6 to 5 are normally closed, and pins 7 to 5 are normally open. (5/6/7 pin output: 125 VAC/1 A, 230 VAC/1 A, and 30 VDC/1 A) |
NOTICE: If you need to use the remote start/stop function of the generator with dry contact, ensure that the generator has ATS and supports remote start/stop.
7. Maintenance
To maintain optimum and long-lasting working performance, it is recommended to check the following items twice a year:
- Ensure that the airflow around the inverter is not blocked and remove any dirt or debris from the radiator.
- Check that all exposed conductors are not damaged by sunlight, friction, dry rot, insect, or rodent damage. Repair or replace conductors if necessary.
- Verify that indications and displays are consistent with equipment operation. Note any faults or incorrect displays and take corrective action.
- Check all terminals for signs of corrosion, insulation damage, high temperatures, or burning/discoloration, and tighten terminal screws.
- Check for dirt, nesting insects, and corrosion. Clean anti-insect nets as required.
- If the lightning arrester has failed, replace it promptly to prevent lightning damage to the inverter or other equipment.
DANGER: Make sure that the inverter is disconnected from all power sources and that the capacitors are fully discharged before carrying out any checks or operations to avoid the risk of electric shock.
The company is not liable for damage caused by:
- Improper use or use in a wrong location.
- Photovoltaic modules with an open circuit voltage exceeding the maximum permissible voltage.
- Operating temperature exceeding the restricted operating temperature range.
- Dismantling and repair of the inverter by unauthorized persons.
- Force majeure: damage during transport or handling of the inverter.
8. Troubleshooting
8.1 Fault Codes
The inverter displays fault codes to indicate specific issues. Refer to the table below for fault codes, their meanings, and whether they affect output.
| Fault Code | Meaning | Affect Output or Not | Description |
|---|---|---|---|
| 01 | BatVoltLow | Yes | Battery under-voltage alarm |
| 02 | BatOverCurrSw | Yes | Overcurrent software protection for average battery discharge current |
| 03 | BatOpen | Yes | Disconnected battery alarm |
| 04 | BatLowEod | Yes | Under-voltage battery discharge stop alarm |
| 05 | BatOverCurrHw | Yes | Battery overcurrent hardware protection |
| 06 | BatOverVolt | Yes | Charge overvoltage protection |
| 07 | BusOverVoltHw | Yes | Bus overvoltage hardware protection |
| 08 | BusOverVoltSw | Yes | Bus overvoltage software protection |
| 09 | PvVoltHigh | Yes | PV overvoltage protection |
| 10 | PvBoostOCSw | No | Boost overcurrent software protection |
| 11 | PvBoostOCHw | No | Boost overcurrent hardware protection |
| 12 | SpiCommErr | Yes | SPI communication fault of master and slave chips |
| 13 | OverloadBypass | Yes | Bypass overload protection |
| 14 | OverloadInverter | Yes | Inverter overload protection |
| 15 | AcOverCurrHw | Yes | Inverter overcurrent hardware protection |
| 16 | AuxDSpReqOffPWM | Yes | Slave chip OFF request fault |
| 17 | InvShort | Yes | Inverter short-circuit protection |
| 18 | Bussoftfailed | Yes | Bus soft-start failure |
| 19 | OverTemperMppt | No | PV heat sink over-temperature protection |
| 20 | OverTemperInv | Yes | Inverter heat sink over-temperature protection |
| 21 | FanFail | Yes | Fan fault |
| 22 | EEPROM | Yes | Memory fault |
| 23 | ModelNumErr | Yes | Model setting error |
| 24 | Busdiff | Yes | Positive and negative bus voltage imbalance |
| 25 | BusShort | Yes | Bus short-circuit |
| 26 | Rlyshort | Yes | Inverter AC output backward to bypass AC output |
| 28 | LinePhaseErr | Yes | Mains input phase error |
| 29 | BusVoltLow | Yes | Bus low-voltage protection |
| 30 | BatCapacityLow1 | Yes | Alarm of battery capacity rate below 10% (taking effect after BMS communication is successful) |
| 31 | BatCapacityLow2 | No | Alarm of battery capacity rate below 5% (taking effect after BMS communication is successful) |
| 32 | BatCapacityLowStop | Yes | Battery low-capacity OFF (taking effect after BMS communication is successful) |
| 33 | CtrlCanCommErr | Yes | Parallel control can communication fault |
| 34 | CanCommFault | Yes | Parallel can communication fault |
| 35 | ParaAddrErr | Yes | Parallel ID (communication address) setting error |
| 37 | ParaShareCurrErr | Yes | Parallel current sharing fault |
| 38 | ParaBattVoltDiff | Yes | Large battery voltage difference in parallel mode |
| 39 | ParaAcSrcDiff | Yes | Inconsistent mains input source in parallel mode |
| 40 | ParaHwSynErr | Yes | Hardware synchronization signal error in parallel mode |
| 41 | InvDcVoltErr | Yes | Inverter DC voltage error |
| 42 | SysFwVersionDiff | Yes | Inconsistent system firmware version in parallel mode |
| 43 | ParaLineContErr | Yes | Parallel connection fault |
| 44 | Serialnumbererror | Yes | Failure to set the serial number before leaving factory |
| 45 | Errorsettingofsplit-phasemode | Yes | Setting error of setting items in parallel mode |
| 58 | BMSComErr | No | BMS communication fault |
| 60 | BMSUnderTem | No | BMS under-temperature alarm (taking effect after BMS communication is successful) |
| 61 | BMSOverTem | No | BMS over-temperature alarm (taking effect after BMS communication is successful) |
| 62 | BMSOverCur | No | BMS overcurrent alarm (taking effect after BMS communication is successful) |
| 63 | BMSUnderVolt | No | BMS under-voltage alarm (taking effect after BMS communication is successful) |
| 64 | BMSOverVolt | No | BMS overvoltage alarm (taking effect after BMS communication is successful) |
8.2 Troubleshooting Table
If you encounter a fault, refer to the table below for possible causes and solutions.
| Fault Code | Meaning | Cause | Solution |
|---|---|---|---|
| / | No screen display | No power input, or device switch is off | Check battery/PV air-switch, ensure switch is ON; press any button to exit sleep mode. |
| 01 | Battery under-voltage | Battery voltage lower than parameter [14] | Charge battery until voltage exceeds parameter [14]. |
| 03 | Disconnected battery | Battery not connected, or BMS in discharge protection | Check battery connection, circuit breaker, and BMS communication. |
| 04 | Battery over-discharge | Battery voltage lower than parameter 12 | Manual reset: Turn off power, restart. Auto reset: Charge battery until voltage is higher than parameter [35]. |
| 06 | Rechargeable battery overvoltage protection | Battery in overvoltage state | Manually turn off power, restart. Discharge battery until voltage is below recovery threshold. |
| 13 | Bypass overload (software detection) | Bypass output power/current overloaded | Reduce load power, restart device. Refer to item 11 in Protection Function. |
| 14 | Inverter overload (software detection) | Inverter output power/current overloaded | Reduce load power, restart device. Refer to item 11 in Protection Function. |
| 19 | Over-high temperature of PV input heat sink | PV input heat sink temperature exceeds 90°C for 3s | Wait until temperature is below over-temperature recovery, then charge and discharge return to normal. |
| 20 | Over-high temperature of inverter output heat sink | Inverter output heat sink temperature exceeds 90°C for 3s | Wait until temperature is below over-temperature recovery, then charge and discharge return to normal. |
| 21 | Fan fault | Software detects fan fault | Shut down, manually flick fan, check for foreign objects. |
| 26 | AC input relay short-circuit | Stuck relay for AC output | Manually shut down, restart. If fault recurs, contact service personnel. |
| 28 | Mains input phase fault | AC input phase inconsistent with AC output phase | Ensure AC input phase is same as AC output phase. |
NOTICE: If you encounter a fault that cannot be solved by the methods in the table above, please contact our after-sales service for technical support and do not disassemble the equipment yourself.
9. Specifications
Detailed technical specifications for the SRNE ASP series hybrid solar inverter.
| Category | Parameter | SPI-8K-SP | SPI-10K-SP | SPI-12K-SP | Settable |
|---|---|---|---|---|---|
| INVERTER OUTPUT | |||||
| Rated Output Power | 8000W | 10000W | 12000W | ||
| Max. Peak Power | 16000W | 20000W | 24000W | ||
| Rated Output Voltage | 230Vac (Single phase) | Y | |||
| Load Capacity of Motors | 5HP | 6HP | 6HP | ||
| Rated AC Frequency | 50/60Hz | Y | |||
| Waveform | Pure Sine Wave | ||||
| Switch Time | 10ms (typical) | ||||
| Parallel capacity | 1-6 Units | ||||
| Overload | After triggering the overload protection the inverter will resume output after 3 minutes, 5 consecutive overloads will switch off the output until the inverter is restarted. (102%<load<110%) ±10%: error and output shutdown after 5mins; (110% < load < 125%) ±10%: error and output shutdown after 10s. Load > 125% ±10%: error reported and output switched off after 5s. | ||||
| BATTERY | |||||
| Battery Type | Li-ion / Lead-Acid / User Defined | Y | |||
| Rated Battery Voltage | 48Vdc | ||||
| Voltage Range | 40-60Vdc | Y | |||
| Max. Grid/Generator Charging Current | 150A | Y | |||
| Max.Hybrid Charging Current | 180A | 200A | 200A | Y | |
| PV INPUT | |||||
| Num. of MPPT Trackers | 2 | ||||
| Max.PV array power | 5500W+5500W (SPI-8K-SP), 6600W+6600W (SPI-10K-SP, SPI-12K-SP) | ||||
| Max. Input current | 22A+22A | ||||
| Max. Voltage of Open Circuit | 500Vdc/500Vdc | ||||
| MPPT Voltage Range | 125-425Vdc/125-425Vdc | ||||
| GRID / GENERATOR INPUT | |||||
| Input Voltage Range | 90-275Vac | ||||
| Frequency Range | 50/60Hz | ||||
| Bypass Overload Current | 63A | ||||
| EFFICIENCY | |||||
| MPPT Tracking Efficiency | 99.9% | ||||
| Max. Battery Inverter Efficiency | 92% | ||||
| GENERAL | |||||
| Dimensions | 620x435x130mm | ||||
| Weight | 27kg | ||||
| Protection Degree | IP20, Indoor Only | ||||
| Operating Temperature Range | -10~55°C, >45°C derated | ||||
| Noise | <60dB | ||||
| Cooling Method | Internal Fan | ||||
| COMMUNICATION | |||||
| Embedded Interfaces | RS485 / CAN / USB / Dry contact | Y | |||
| External Modules (Optional) | Wi-Fi / GPRS | Y | |||
| CERTIFICATION | |||||
| Safety | IEC62109-1, IEC62109-2 | ||||
| EMC | EN61000-6-1, EN61000-6-3 | ||||
| RoHS | Yes | ||||
10. Warranty and Support
The SRNE Hybrid Solar Inverter comes with a 2-year warranty. For any technical support or issues not covered in the troubleshooting section, please contact the seller or an authorized service center. Do not attempt to disassemble or repair the unit yourself.
For further details, you may refer to the official user manual PDF: SRNE All-in-one Solar Charge Inverter User Manual (PDF).
11. User Tips
- Flexible Operation: The inverter can operate effectively even without batteries, sharing the load directly with solar panels. This can make a significant difference in energy usage.
- Voltage Compatibility: While the inverter is rated for 230Vac output, the settings menu allows adjustment between 200V and 240V, offering flexibility for different regional requirements.
- Battery Capacity: Ensure the battery capacity of your system is correctly matched to your load requirements and application scenarios to avoid insufficient power or wasted generation. Consult the manual or customer service for recommendations.