Deye SUN-18K-G02 User manual

R
User Manual
Grid-tied PV String Inverter
SUN-20K-G02SUN-18K-G02
SUN-25K-G02

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
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5.4 Max. over current protection device
5.5 Inverter monitoring connection - 16 -
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5.7 Configuration of Datalogger
6. Startup and Shutdown
6.1 Start up the inverter
6.2 Inverter Shutdown
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5.6 Installation of datalogger …………………………………………
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7. Zero export function via SUN limiter
7.1 SUN Limiter function wiring diagram
7.2 Connect the SUN limiter to inverter
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7.3 Use of zero export function
8. General Operation
8.1 The initial interface
8.2 Submenus in the Main Menu
8.3 System param setting
8.4 Running param set
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9. Repair and Maintenance
10. Error information and processing
10.1 Error code
11. Specification
8.6 Comm. param set
8.5 Protect Param - 36-
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7.5 Notes while using zero export function
7.4 Zero-export function (Option)
7.6 How to browse the load power of your PV grid-tieplant on monitoring platform

- 01 -
On-grid 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-18K-G02, SUN-20K-G02,
SUN-25K-G02.

Pic 1.1 Front view 

Photovoltaic Grid-connected System

About This Manual


How to Use This Manual

Contents may be periodically

The latest manual can be acquired via [email protected]

Inverter Metering Power grid
Family load
ACDC Ala rmNorm al

- 02 -
1.2 Parts list
Please check the following table, to see whether all the parts are included in the package：


screws M4×12



DC power connectors



bolt M6×80


User
manual

Square hole sealing plate





Three-Phase Smart Meter
SET ESC



- 19 - - 20 -
ACDC AlarmNormal

- 03 -

2.1 Safety signs






Shock Hazard:

which if not correctly followed, could result in electric shock.
High Temperature Hazard:

followed, could result in burns.
Safety Hint:


Warning:

followed, could result in serious injury or death.
Shock Hazard:


Warning:

of the country or local area.
Warning:
Inverter adopts non-isolated topology structure, hence must insure DC input and


Otherwise it will damage the inverter.

- 04 -
2.3 Notes for using

It can ensure the personal safety of the user. But as a electric device, it may cause shock or





℃


obtaining the permission of the local power supply department, the professionals can
connect the inverter to the grid.

6. Please install where children can not touch.


disconnect the DC side.


Shock Hazard:


Shock Hazard:
While disconnect the input and output of the inverter for maintenance, please

High Temperature Hazard:
℃
Please do not touch the inverter case.

- 05 -
3.2 Status Indicator


3.1 Interface View
ACDC AlarmNormal

for details.
Explanaon
Inverter detects DC input

Grid Connected
Grid Unavailable


Detected faults or report faults

Indicator status
●DC
●AC
●NORMAL
● ALARM
on

on

on

on



- 06 -

3.4 LCD Display









Esc Up Down Enter

- 07 -










sunlight or raining.


℃.


- 08 -





each inverter must be at least 500mm above and below.And must install the inverter at the


indicator status clearly.

Safety Hint:


≤15°

- 9 -





Anchoring

Stainless steel screws
Inverter
≥500mm
≥500mm

- 10 -



accessory to lock inverter heat sink to the hanging plate, to ensure that the inverter will not
move.







- 11 -




2. Switch the DC lsolator OFF.

Safety Hint:

cause serious damages to the inverter.
Safety Hint:


Safety Hint:


Safety Hint:

 
Cable type Range Recommended value
Cross secon（mm ）


4.0~6.0
 

- 12 -

.




7mm
7mm
Pic 5.4 Crimp the contact pin to the wire
Pic 5.5 connector with cap nut screwed on

- 13 -

,shown as
picture 5.6

AC side of the inverter, the AC side is equipped with Three phase AC terminals that can be
-


Warning:
Sunlight shines on the panel will generate voltage, high voltage in series may

panel needs to be blocked by the opaque material and the DC switch should
be 'OFF', otherwise, the high voltage of the inverter may lead to life-


Warning:


Outside cable

Cable CSAModel Cable outer dia AWG Breaker Max cable length

25KW 810mm  

- 14 -
-



right length, as shown in Picture 5.8.
，



Warning:


Pic 5.7 AC connector structure
Pic 5.8 Strip AC cable
8~15mm
40mm
1234

- 15 -





- 16 -

-


all PE cables of the inverter need to be connected to the same grounding copper platoon to

picture 5.11.
Warning:





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








PC
Router
WIFI
GPRS
Web Server
Phone

Rated output
voltage(V)
Inverter Rated output
current(A)
Current for protecon
device(A)
SUN-18K-G02  4526.1
SUN-20K-G02  4529
SUN-25K-G02  45

- 17 -




sealed plate as shown in Picture 5.14. When installing the datalogger, remove the sealing plate,



power on. When the inverter is on the DC power, it is determined whether the datalogger is


6. Startup and Shutdown



that the two inputs be connected to the same number of photovoltaic modules.




