Deye SUN-12K-G03 Manual de usuario

Grid-tied PV String Inverter

User Manual

1. Introduction

1.1 Appearance Introduction

1.2 Parts list

2. Safety warnings and instructions

2.1 Safety signs

2.2 Safety instructions

2.3 Notes for using

3. Operation Interface

3.1 Interface View

3.2 Status Indicator

3.3 Buttons

3.4 LCD Display

4. Product installation

4.1 Select installation location

4.2 Inverter Installation

5. Electrical Connection

5.1 DC input terminal connection

5.2 AC input terminal connection

5.3 The connection of the ground line

5.4 Inverter monitoring connection

6. Startup and Shutdown

6.1 Start up the inverter

6.2 Inverter Shutdown

7. Limiter function (Optional)

7.1 Limiter function wiring diagram

7.2 Connect the limiter to inverter

7.3 Debugging Limiter

7.4 Notes while using limit function

8. General Operation

8.1 The initial interface

8.2 Statistics information

8.3 Fault Record

8.4 ON/OFF setting

8.5 Parameter setting

9. Repair and Maintenance

10. Error information and processing

10.1 Error code

11. Specification

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1. Introduction

Photovoltaic Grid-connected System

1.1 Appearance Introduction

1.2 Parts list

Three Phase String Power Inverter can convert solar panel DC power into AC power

which can directly input to the grid. Its appearance is shown below.These models contain

SUN-12K-G03、SUN-15K-G03、SUN-18K-G03.

The following is collectively referred to as‘inverter’.

Pic1.1 Front view Pic1.2 Bottom view

Please check the following table, to see whether all the parts are included in the package：

1 2 3 4 5

Application of inverter in photovoltaic power system

PV strings Inverter Metering device Power grid

Family load

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ACDC AlarmNormal

2. Safety warnings and instructions

2.1 Safety signs

Improper use of the inverter will cause electric shock and burn. During installation and

maintenance,please strictly follow the instructions in this manual. Please read the user

manual carefully before using the inverter. And please keep the instructions properly for

afterwards use.

Safety signs are used to emphasize potential safety risk and important safety

information. The manual includes below things:

Pic1.3 Accessories drawing

1.1 Parts list

Description

Grid-tied PV String Inverter

Wall mounting bracket

Mounting stainless steel screws M4×12

AC power connectors

DC power connectors（including Inserted spring）

Stainless steel Collision bolt M6×80

Square hole sealing plate（Wi-Fi Function selection）

User manual

Wifi-Plug（optional）

2pairs

Qty

6 7 8 9

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Warning：

2.2 Safety instructions

Safety warning——Indifference of the signs in the manual may cause

injury or even death.

Shock Hazard：

Shock warning sign——Incorrect follow of this sign may get shocked.

Safety Hint：

Prudent operation——Incorrect follow of the safety operation hints in

this manual may cause inverter defective.

High Temperature Hazard：

Inverter’s local temperature may exceed 80℃ while under operating.

Please do not touch the inverter’s surface.

Warning：

Electrical installation of the inverter must conform to the safety

operation rules of the country or local area.

Warning：

Inverter is non-isolated topology structure, hence must insure DC

input and AC output are electrical isolated before operating the

inverter. Strictly prohibit ground the positive and negative poles of

the PV string. Otherwise it will damage the inverter.

Shock Hazard：

Prohibit disassembling inverter case. There existing shock hazard,

may cause serious injury or death, please ask qualified person to

maintenance.

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2.3 Notes for using

1. Inverter should be installed and maintained by qualified person under local standard

regulations.

2. It must disconnect the AC side first, then disconnect DC side before doing installation

and maintenance, after disconnecting, please wait at least 5 mins to avoid get shocked.

3. Local temperature of the inverter may exceed 80 ℃ while under operating.Do not

touch to avoid get injured.

4. All electrical installation must accord with local electrical standards, and after obtaining

the permission of the local power supply department, the professionals can connect the

inverter to the grid.

5. Please take appropriate anti-static measure.

6. Please install where children can not touch.

The three phase string power inverter is designed and tested under related safety regulations.

It can ensure the personal safety of the user. But as an electric device, it may cause shock or

injury by incorrect operation. Please operate the unit under below requirements:

Shock Hazard：

When PV module is exposed to sunlight, The output will generate

DC voltage.Prohibit touching to avoid shock hazard.

Shock Hazard：

After disconnecting the input and output of the inverter,it takes at

least 5 minutes for the inverter to completely release the residual

energy and wait for at least 5 minutes before it can be overhauled.

High Temperature Hazard：

Inverter’s local temperature may exceed 80℃ while under

operating. Please do not touch the inverter’s surface.

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3.2 Status Indicator

3. Operation Interface

3.1Interface View

Pic 3.1 Panel

8. Don’t insert and remove AC and DC terminals when the inverter is in normal

operation.

9. The DC input voltage of the inverter must not exceed the maximum input voltage of

the model.

The inverter panel has 4 indicators, the left one is DC output indicator(green),indicates

normal DC input power status. Beside is the AC indicator(green),indicates normal AC

connecting status. Next is the operating indicator(green) indicates normal output. The

right indicator is alarm(red), indicates alarming.

7. When starting the inverter, first close the closed-circuit grid-side switch and close the

DC input terminal; when closing the inverter, disconnect the grid-side switch first and

then disconnect the DC-side switch.

ACDC AlarmNormal

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3.3 Buttons

There are four buttons on the inverter panel：above is up and increase button (UP),

below is down and decrease button (DOWN）, left is ESC button (ESC）, right is

Enter button (ENTER). The following functions can be achieved by the four

buttons：

● Page turning (use UP and DOWN button）

● Modify adjustable parameters (use ESC and ENTER button）

3.4 LCD Display

The three-phase string inverters use a dot matrix display，mainly contains the

following：

● Inverter operation status and information;

● Operating information;

● Warning message and malfunction display.

Explanation

Inverter detects DC input

Low DC input voltage

Grid Connected

Grid Unavailable

Under normal operating

Stop operating

Detected faults or report faults

Under normal operating

Indicator status

●DC

●AC

● NORMAL

● ALARM

off

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4.1 Select installation location

4. Product installation

Pic4.1 Recommended installation place

After receiving the inverter and preparing to install it, please select a suitable location,

should consider below factors:

● Ventilation—Must insure the air ventilation of the installation location, improper

installation may cause overheating and effect the working efficiency and lifespan.

● Sun-shade—Expose the inverter to sunshine will cause it overheating and effect the

working efficiency.

● Avoid rain and snow—Even if the inverter has IP65 protection,we still recommend.

installing the inverter at the ventilate place where can avoid rain and snow. It can help

extend the lifespan of the inverter.

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● Please select the wall with certain bearing capacity.

● When doing the installation, vertical slope cannot exceed +/-15°.Make sure no lateral

tilt. Otherwise it will affect the function of the heat sink. Cause the output power lower

than expected.

● If install more than one inverter, must leave at least 500mm gap between each inverter.

And each inverter must be at least 500mm above and below. And must install the inverter

at the place where children cannot touch. Please see pic 4.3.

● Consider whether the installation environment is helpful to see the inverter LCD

display and indicator status clearly.

● Must offer a ventilate environment if inverter is installed in the airtight house.

Safety Hints：

Do not place or store any items next to the inverter.

Pic4.2 Installation Angle

≤15°

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