solar Inverter 400W Inverter DC16V Grid Tie Inverter Instruction Manual

solar Inverter 400W Inverter DC16V Grid Tie Inverter

Product Information

• Product Model: 400W/500W/600W Grid Tie Micro Inverter
• Product Type: Multifunction Grid Tie Inverter
• Copyright: c 2023-V1.0

Product Usage Instructions

Manual Instruction

Important Notice

Before proceeding with installation and operation, it is important to read this manual carefully. The manual provides instructions on how to handle the Grid-tied inverter, including transportation, installation, operation, maintenance, and troubleshooting in case of any unexpected errors.

Suitability

This manual is suitable for indoor series of photovoltaic grid-connected inverters.

Model Naming Rules and Guidance

Model Naming Rules

The model name consists of various parameters that provide information about the product. These parameters include:

• AC output voltage range
• DC input voltage identification
• Power adjustable function
• Rated output power specification
• Waterproof series information

User Guidance

Refer to page 13 for detailed information on the different model names and their corresponding parameters.

Electrical Connections and Trial Operation

Trial Operation

Follow the instructions provided in this section for conducting a trial operation of the Grid Tie Inverter.

Data

Technical Data

Refer to pages 13-15 for detailed technical data related to the product.

Appendix B

Quality Assurance

Information regarding quality assurance can be found on page 16.

Contact Us

For any queries or assistance, refer to the contact details provided on page 17.

Disclaimer

Important disclaimer information can be found on page 15. Additionally, a warranty card is included on page .

Manual Instruction

Important notice
For installation and operation purpose, please read this manual carefully before proceeding. This manual includes how the Grid-tied inverter should be handled, including transportation installation, operation, maintenance, and troubleshooting should any unexpected error occurred while in use.

Suitability
This manual is suitable for indoor series of photovoltaic grid-connected inverter..

Package content
Please check package content when product is in your possession. We do our best to ensure the content of package to be correct, and necessary precaution is taken on packaging at factory to prevent damages caused during transportation, however, if there was any unforeseeable circumstances that lead to damaging of goods before reaches you, DO NOT proceed with installation, kindly let your dealer know about it, or call our service department to resolve your situation. We promise you the utmost satisfactory on either our products or after sales services.

Safety precaution and Guidance

For installation and operation, please read this manual carefully before proceeding. If for reasons the product was installed improperly or handled incorrectly, resulting in an unworkable product, we DO not hold responsibility for such actions.

Safety precaution

The following is a part of the model name corresponding to the parameters (see the details of the list of 13 pages)

Model name| Rated power| Adjustable output power

Yes/No

| PV input voltage range| AC output voltage range| The battery can be used（V
---|---|---|---|---|---
GTN-500F12-2| 500W| NO| 16V-28V| 190V-260V| 12V
GTN-500F24-1| 500W| NO| 26V-45V| 90V-135V| 24V
GTN-500F36-2| 500W| NO| 39V-62V| 190V-260V| 36V
GTN-500A48-2| 500W| Yes| 55V-90V| 190V-260V| 48V
GTN-500F72-1| 500W| NO| 85V-130V| 90V-135V| 72V
GTN-600A60-2| 600W| Yes| 55V-90V| 190V-260V| 60V
GTN-600F96-2| 600W| NO| 120V-180V| 190V-260V| 96V

User guidance

• a. The inverter’s safe and sound operation, correct way of transporting, storing, assembling, installing, operating, and servicing the unit.
• b. All operations and cabling connections must be done by proper electricians or mechanical engineers, and electric power installation to be in compliance with local electricity codes.
• c. Prior to inspecting and servicing the unit, ensure a good multi-meter is used to check that NO AC or DC voltages existed in the unit before proceeding.
• d. Follow the procedure listed in this manual, strictly work in accordance with the safety precautions and hazardous signages.

Introduction to the Grid-tied inverter

The Grid-tied inverter is used in photovoltaic system, it maximises the output of photovoltaic solar energy from solar modules, and allows the energy to be converted and fed through the power utility grid for normal everyday uses.

Product explained
Grid-tied photovoltaic system is made up of panels consisting solar modules to receive PV arrays, from here the solar energy is collected and formed as a direct electrical current, feeding through a Grid-tied inverter, transforms from DC to AC, then goes through a metering device, measuring and recording the amount of energy generated by the system, before feeding the power to the local utility grid. Our Grid-tied inverters play an important role by ensuring the whole transforming process is safely conducted, converting DC from solar system into single phase AC with correct voltages, same frequencies and phase, and the output sinewaves of the AC power totally matches our everyday used electricity. (figure 3-1-1)

Special features

1. Our Grid-tied inverter uses high speed and high specification MCU , so as to achieve a more efficient working Condition and better result in our system.
2. Advanced technology of Multi Power Point Tracking (MPPT) device in our system enhanced the maximum arrays to be collected.
3. High efficiency of MPPT is recorded to be over 99%.
4. Parallel connection on input of solar energy battery enable simple adjustment of the power rate for the utility grid.
5. High efficiency on the design of High Frequency Transformer.
6. Advanced Anti-island technology.
7. High performance EMC technique on system protection, advanced modular design, ensuring safety and reliability o our systems.
8. LED indicators distinctively showing status of system.
9. Portable size and light weight makes our inverter easy to install,operate,andmaintain.

Structural guide (feature 3-3-1)

LED indicators

Grid tied inverter operating mode

The grid-tied inverter has an automated working order, without needing to monitor. On detection the power output from solar panels, device will decide if the power was large enough to begin the conversion process. Coversion process includes 5 modes, Startup, Grid-tied begin, Standby, Stop, Fault-find.

1. Startup – When the start button is on, solar panel and grid lines both connected in normal condition, inverter enters working condition.
2. Grid-tied begin – Grid-tied begin mode is when inverter starts to convert the Direct Current fed through from PV solar panel to a stable Alternate Current and flow to the utility grid. To enable the maximum output of energy, the device uses MPPT control technology to track sun rays, this technology promises the maximum efficiency under diferent daylight and temperature conditions.
3. Standby – Standby mode is when device detects insufficient power feeding through from the solar panel, or device detects abnormal status such as voltages, frequencies, and temperatures not in the permitted range, the device enters standby mode.
4. Stop – Insufficient sunlight hence insufficient PV power feeding through to the device and device enters into the standby mode, when this condition continues and DC voltages falls below 12V for over 1 minute, the device will enter Stop mode.

Fault finding and troubleshooting
When error ocurs, fault find indicator starts flashing, device will enter Stop mode. Please see 3.4 error status on LED indicator.

(Battery) discharge grid-on mode (with ADJ functional model)

• A,The DC input of the system can be directly connected with the battery, Turn the knob of the inverter to the right into the battery mode, then the tracking function will be turned off, the output power will be adjusted from left to right, At this point the output power can be adjusted from 60W-350W or so arbitrary output to ensure that the inverter can work for a long time in the grid status.
• B, when the inverter connected to the battery discharge, if the battery voltage is too low, the inverter will automatically stop and cut off grid output to protect the battery over discharge to extend battery life.
• C,Different specifications of the input voltage of the inverter will be used with different voltage battery, the battery voltage protection point please refer to the following (figure5-1-4)

Battery low voltage

protection point

| 11V| 22 V| 33V| 44Vor55V| 66V| 88V
Battery high voltage

protection point

| 15V| 29V| 45V| 60Vor71V| 90V| 120V

Adjustable power function instructions

1. Press the button switch at position 3, the blue LED is on, the battery mode is enabled, turn the potentiometer knob, you can change the output power of the inverter.
   (Adjustable output power range can be viewed in the parameter table P10-P12)

2. When the inverter is discharged to the battery voltage is too low, the inverter will automatically stop the grid output to protect the battery,it will not affect the battery life due to undervoltage. During the shutdown process, if there are other independent solar charging controller to charge the battery, when the charging voltage reaches the battery start voltage, the inverter will automatically start the grid output.

3. Please not be connected the battery and the solar panel at the same time, Because the battery and solar panels connected to the inverter at the same time, the inverter can not determine whether the need for MPPT tracking function, it might cause the inverter operating voltage is too high and lead to inverter Conversion efficiency is low, the output power is unstable and so on. So please connect the battery separately or use the solar panel separately, Or on the solar panel side to connect a charging controller to charge the battery, the battery side connect inverter grid generation.

Installation environment

The building foundation of the intended area for installing the device must be safe, secure and stable. Figure 5-1-1 shows the image of our grid-tied inverter, using the paper template for securing the screws , mark the holes on the wall appropriately according to the dimension of the device , make sure the environment and the height for installing the device has enough clearance showing the LED indicators, and spaces around the deive for heat dissipation and for any future maintenance .

• a. Installed in dry and ventilated place.
• b. Installed for easy maintenance.
• d. Avoid installation in direct sunlight, reducing the overheating and reducing power.
• e. Avoid installation in dusty, fumesy environments and large air atmospheres.
• f. Make sure that the minimum distance between the inverter and the fixed object or adjacent inverter is 50CM or more.

Two pieces of photovoltaic solar panels in parallel connection diagram. After the solar panels in parallel,the no-load voltage unchaged of the panels.two current plus.
E.g: there are two solar panels of 37v(voc) ,Vmp29.4v,operating current(lmp)8.5A, these two panels in parallel after power conversation is [ (29.4v+29.4v)*8.5A=500W], the operating voltage unchanged,the working current doubled.

The connection diagram shows two solar panels in series, After two solar panels in series,the no-load voltage is two panels no-load voltage plus, The operating current is the operating current of a single solar panel. E.g.there are two solar panels of 37V(Voc),Vmp:29.4v,operating current(lmp)8.5A, after two solar panels in series that the power conversion is: [(29.4V+29.4)×8.5A≈500W], The operating voltage is the total operating voltage of the two solar panels, Maximum operating current unchanged.
After the series of no-load open-circuit voltage is high, pay attention to the inverter with the input voltage ismatched!Attention! that high voltage can not be connected to the low voltage specifications of the inverter, or the inverter will be damaged!

Electrical connections and trial operation

This chapter introduces the electrical connections between our grid-tied inverter,the solar panel, and the utility grid. Please read carefully and note on all safety regulation and warning precaution before connecting.

Warning!

Ensure the device has no AC or DC charges before electrical connections.
PV module open circuit voltage configuration can’t exceed the maximum allowable voltage of the inverter, otherwise the inverter may be permanently damaged!

Cabling requirement
Prior to any electrical connections, ensure the below table Cable Specifications Requirement is follow.

Cable Specification Requiremnt

Cabling instruction
Figure 6-2-1 shows the diagram of electrical connection for the PV energy systems. It demonstrates clearly how the cabling connections are done from PV panels to the inverter, then onto the utility grid.

Technical specificatio

WARNING:
Don’t connect the DC inputs of two grid-connected inverters to the same set of solar arrays.
If so, both inverters will not find the correct maximum power point,this will reduce the efficiency of the system .
(If the solar array is replaced with a battery pack, this connection is correct.)

Solar Panel Array

Parts List

• Accessory name: Quantity
• Standard power cord: 1 PC
• Manual: 1 PC

Appendix B

Quality assurance

1. Warranty period
   Convention shelf life in accordance with the contract of sale.

2. Evidence
   This product is under warranty on conditions that purchasing receipt is available with good and clear visibility. Any marking or attempted alteration on original receipt will automatcially void your warranty.

3. Conditions

   • a. During warranty period, if product developed a fault, the company shall repair it free of charge; on condition it may be beyond reparation, an exchange to an identical model or replacement model with equivalent specifications and sizes may be used to resolve the situation.
   • b. Faulty product should be returned to one of our appointed address for test, repair or replacement.
   • c. A reasonable period for transition, test and repair of faulty product Should be allowed, this is due to the procedure and system the company strictly abide by, we apologised for any inconvenience caused should that unfortunately happened.

The company is not obliged to repair any faulty product under the following circumstances:

1. Goods get damaged by courier during transitions with outer carton torn, broken, or damaged.
2. Incorrect installation of product.
3. Disallowed modification of product.
4. Incorrect usage or improper handling of product.
5. Device operated under circumstances or environment beyond our recommendation in the user manual.
6. product developed fault or damages under abnormal natural calamities or disasters.

Contact us
If you have any questions in regards the series single-phase grid-tied inverters, we shall be please to answer or discuss with you, we believe in educated sales and promotions, please contact us using one of the following methods.

Disclaimer

1.  Product information cannot be solely relied upon, it may have changed by the time of use, please consult our company for latest information.
2. Electrical products installations and mantenance work should be carried out by qualified electricians only, any attemp to repair or mantain the said products in this manual by all other individuals may void the warranty of the products, and may cause harmful to human bodies, even life risking danger.

Warranty card

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