Eternal Inverter 
Installation preparation work
Confirm the installation environment
A.
Good ventilation: Choose a location with suitable temperature and good ventilation. The off-grid hybrid solar inverter will generate a certain amount of heat in the working process, and proper ventilation can effectively avoid overheating of the equipment and prolong its service life
B.
Dry and moisture-proof: The installation location should avoid damp or heavy water vapor environment, so as to prevent the internal components of the equipment from getting wet and causing failure. Avoid installing the equipment in wet areas such as bathrooms and basements
C.
Sun protection and light protection: Try to avoid installing the equipment in direct sunlight, especially in strong sunlight, so as to reduce the influence of external temperature on the equipment
D.
Sufficient space: ensure that there is enough space around the off-grid hybrid solar inverter for heat dissipation, maintenance and inspection. Keep at least 30cm free space for ventilation and heat dissipation
Check equipment and materials
A.
Off-Grid Hybrid Solar Inverter: Ensure that the purchased off-grid hybrid solar inverter meets the expected specifications (such as rated power, voltage, current, rechargeable battery type, etc.)
B.
Battery system: Select the battery matching with the off-grid hybrid solar inverter, and usually select the battery capacity according to the voltage and power requirements of the off-grid hybrid solar inverter
C.
Solar module: Prepare solar panels according to the requirements of the system to ensure that the power and voltage specifications of the solar panels meet the requirements of the off-grid hybrid solar inverter
D.
Cables and wiring: Prepare cables (DC and AC cables) with appropriate specifications, and ensure that the cable length is enough to connect all equipment
E.
Tools and accessories: including screwdrivers, wrenches, cable scissors, electrical insulation tapes, cable terminals, terminal crimping tools, etc
F.
Fuses and circuit breakers: used to protect the safety of the system and prevent over-current or short-circuit
Ensure the safety of electrical system
A.
Electrical wiring diagram and installation manual: Before installation, carefully read the electrical wiring diagram and installation manual of the off-grid hybrid solar inverter to understand the specific requirements of each connection. Pay special attention to the wiring sequence and polarity of battery, solar panel, load and inverter to avoid wrong connection
B.
Protective measures: ensure the safety of the installation area, use necessary safety tools (such as insulating gloves, goggles, etc.), and avoid direct electric shock of electrical equipment during installation
Check the configuration of off-grid hybrid solar inverter
A.
System voltage: Confirm the voltage matching of the off-grid hybrid solar inverter, solar panel and battery to avoid equipment damage caused by voltage mismatch
B.
Charging control settings: check the charging control parameters of the off-grid hybrid solar inverter, especially for different types of batteries (such as lead-acid batteries and lithium batteries), the charging current and voltage need to be adjusted accordingly
C.
Load capacity: confirm the maximum load power that the off-grid hybrid solar inverter can support, and ensure that the connected load will not exceed its rated capacity
Consider external factors
A.
Weather conditions: try to avoid installation in extreme weather (such as rainstorm, lightning, etc.). If it needs to be installed outdoors, make sure that the equipment has waterproof and lightning protection measures
B.
Power load forecasting: understand the system load demand in advance, and select the appropriate off-grid hybrid solar inverter model according to the power demand. Excessive load may lead to equipment overload and affect the stability of the system
Communicate with power related departments
If the installation of the off-grid hybrid solar inverter involves the national power system, it is necessary to communicate with the relevant power companies or departments in advance to ensure that all installation work conforms to local laws and regulations and power use requirements
Professional installer
Before installation, it is necessary to ensure that the personnel involved in the installation have relevant electrical knowledge and installation experience, especially the wiring of inverter and battery system, so as to ensure the safety and stability of the system
Detailed explanation of installation steps
Selection and preparation of installation location
A.
Good ventilation: choose a well-ventilated place to ensure that the off-grid hybrid solar inverter has enough space to dissipate heat
B.
Dry environment: ensure that the installation location is dry and moisture-proof
C.
Avoid direct sunlight: avoid direct sunlight to the equipment and prevent the machine from overheating
D.
Wall installation: ensure that the wall is strong enough to bear the weight of the off-grid hybrid solar inverter, and it should be installed at least 30-50cm above the ground
Installation & fixation
A.
Fixing equipment: use bolts or mounting brackets to fix the off-grid hybrid solar inverter on the wall or mounting bracket. After fixing, ensure that the equipment is horizontally placed and stable without shaking
B.
Leave enough heat dissipation space: ensure that at least 30cm space is left around the off-grid hybrid solar inverter, which is convenient for heat dissipation and maintenance
Cable connection and wiring
A.
Solar panel wiring: use DC cable meeting the voltage and current specifications to connect the solar panel with the input port of the off-grid hybrid solar inverter; Pay attention to the positive and negative poles of solar panels, and connect them to the positive and negative input ports of the off-grid hybrid solar inverter correspondingly to prevent the reverse connection from damaging the equipment; It should be noted that if it is installed outdoors, it is recommended to use waterproof connectors and protective sleeves to prevent rain or moisture from entering the wiring
B.
Battery wiring: The battery wiring needs a thick cable to withstand high current, and the specifications of the cable should meet the battery interface requirements of the off-grid hybrid solar inverter; When connecting the battery, be sure to confirm the positive and negative poles of the battery to avoid reverse connection; Install a suitable circuit breaker or fuse between the battery and the off-grid hybrid solar inverter to protect the system from risks such as overload or short circuit; Ensure that the ground wire of the equipment is connected to the ground to prevent electric shock
C.
AC load wiring: Connect the output end of the off-grid hybrid solar inverter to the input port of AC load with an AC cable of appropriate specifications; Ensure that the connected load equipment will not exceed the output capacity of the off-grid hybrid solar inverter to avoid overload; A circuit breaker is set at the output port to facilitate power-off protection during maintenance and overhaul
Ground wire connection
A.
Grounding requirements: according to the installation manual, ensure the grounding of the off-grid hybrid solar inverter to improve the safety of the equipment
B.
Ground wire inspection: check whether the ground wire is firmly connected and whether it is connected correctly. If the ground wire is poor, it will lead to electrical safety hazards
Testing and debugging
Initial power-on test: turn on the power of all components of the system step by step, from the battery and solar panel to the load end, and check whether the battery voltage is normal, whether there is overheating during connection, and whether there is an alarm prompt after normal startup
Battery voltage and charging test: observe the charging state of the off-grid hybrid solar inverter after connecting the battery, and check whether the battery voltage is correctly identified, whether the battery can be charged according to the set parameters, and whether the battery charging current and voltage are normal
Solar panel input test: observe the reception of solar current after connecting the solar panel, ensure that the input voltage is within the allowable range of the off-grid hybrid solar inverter, and observe whether the inverter shows the solar charging state
Load output test: connect the load step by step to ensure that the off-grid hybrid solar inverter can supply power stably, ensure that the voltage and current at the load port meet the load requirements, and check whether the inverter can supply power stably without overheating or tripping
Overload and short circuit protection test: carry out overload and short circuit test in a controlled environment to check whether the protection function is normal, and it is necessary to observe whether the equipment will trigger overload protection when the load power is close to the rated power; When conducting short circuit test, make sure that the short circuit protection responds in time
Inverter function test: observe the situation that the inverter converts DC into AC, and ensure that the inverter output voltage is stable in the specified AC voltage range; Ensure that the off-grid hybrid solar inverter is free of fever, abnormal noise and other phenomena
System temperature monitoring: monitor the temperature of the off-grid hybrid solar inverter and battery after the system runs for a period of time, and ensure that the shell temperature of the inverter is within a safe range, with good ventilation and no overheating
Display panel and parameter monitoring: observe the display panel of the off-grid hybrid solar inverter to ensure that all parameters such as current, voltage and power are displayed correctly. It is necessary to check whether the parameters displayed by the inverter are consistent with the measured data, and observe whether there are any faults or abnormal displays
Automatic switching mode test: freely switch between solar power supply and battery power supply, and observe the system response. Disconnect the solar panel or battery, and observe whether the off-grid hybrid solar inverter will automatically switch to standby power supply; Ensure that there is no delay or power interruption in system switching and ensure the continuity of equipment operation
Remote monitoring test: if the off-grid hybrid solar inverter supports remote monitoring function, test whether the remote monitoring system can read data normally, ensure the normal connection of remote monitoring, and monitor all data of the system in real time; Check whether the data upload is stable and ensure that there is no signal loss or connection interruption
Completing the installation of the off-grid hybrid solar inverter is only the first step, and the subsequent inspection, debugging and daily maintenance are equally important. Ensuring that each connecting part is firm and the system is debugged correctly, and paying attention to the state of batteries and components can effectively improve the operating efficiency of the system and the service life of the equipment. After the installation, monitoring the operation of the equipment regularly will help users get long-term and stable power support in the off-grid environment. A scientific installation process and good maintenance can make the off-grid hybrid solar inverter exert its maximum efficiency and provide a reliable solution for power demand！
Low Voltage Off-Grid Hybrid Solar Inverter
Rated power is 600W, built in 30A MPPT .Flexible and independent power supply, strong ability to cope with power outage, suitable for a variety of energy inputs