Deye SUN-18K-G05-AU User manual

R
User Manual
SUN-18K-G05-AU
SUN-25K-G05-AU
SUN-20K-G05-AU
Grid-connected PV Inverter

1. Introduction
2. Safety warnings and instructions
2.1 Safety signs
2.2 Safety instructions
2.3 Notes for using
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1.1 Appearance Introduction - 01 -
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1.2 Product Overview - 02 -
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1.3 Parts list - 03 -
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2.4 Maintenance of the System
- 05 -
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 - 17 -
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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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6.3 DRM wiring diagram - 20 -
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7.Zero-export function via energy meter
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 - 42 -
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7.2 Notes while using zero export function
7.1 Use of zero-export function
7.3 How to browse the load power of your PV grid-tieplant on monitoring platform
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- 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 SUN18K-G05-AU,
SUN-20K-G05-AU, SUN-25K-G05-AU.

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
RS232/485
DRM RS485

- 02 -
1.2 Product Overview
RS232/485
DRM RS485
1
2
3
45
7
6
8
9
10
9
1: Inverter Indicators
2: LCD display

4: DC switch
5: Grid
6: 
7: WiFi Interface
8: RS485 Port
9: Ground
10: DRM Port

- 03-
1.3 Parts list
Please check the following table, to see whether all the parts are included in the package：


screws M4×12



User
manual

 

Three-Phase Smart Meter
SET ESC
DC power connectors



bolt M6×80

DRM connector


- 04 -

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.

- 05 -
2.3 Notes for using

It can ensure the personal safety of the user. But as a electric device, it may cause shock or



and dust free.Check if there are no fault codes.




℃


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.
2.3 Maintenance of the System

- 06 -
3.2 Status Indicator

Pic 3.1 Front panel display
3.1 Interface View
ACDC AlarmNormal
There are four LED status indicator lights in the front panel of the inverter. Please see table 3.1
for details.
Explanaon
Inverter detects DC input
Low DC input voltage
Grid Connected
Grid Unavailable


Detected faults or report faults

Indicator status
●DC
●AC
●NORMAL
● ALARM
on

on

on

on

Table 3.1 Status indicator lights

- 07 -

3.4 LCD Display

Enter keys. The keypad is used for:







Esc Up Down Enter

- 08 -










sunlight or raining.


℃.


- 09 -





each inverter must be at least 500mm above and below.And must install the inverter at the
place where children cannot touch. Please see picture 4.3.

indicator status clearly.

Safety Hint:


≤15
°

- 10 -
≥500mm
≥500mm





Anchoring

Stainless steel screws
Inverter

- 11 -



accessory to lock inverter heat sink to the hanging plate, to ensure that the inverter will not
move.
Procedure shows below:






- 12 -




2. Switch the DC lsolator OFF.

Safety Hint:

cause serious damages to the inverter.
Safety Hint:


GFDI fault:
Safety Hint:


Safety Hint:

Cable type Range Recommended value
Cross secon（mm ）


4.0~6.0
 
 





can be seen on the corresponding monitoring website, and can also be received
by the APP on the mobile phone.

- 13 -
The steps to assemble the DC connectors are listed as follows:
.



Pic 5.3 Disassemble the connector cap nut
7mm
7mm
Pic 5.5 connector with cap nut screwed on
Pic 5.4 Crimp the contact pin to the wire

- 14 -

,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-


Outside cable

Cable CSAModel Cable outer dia AWG Breaker Max cable length

25KW-G05-AU 810mm 20-30mm 
Warning:


Warning:
Use the DC power connector of the accessories. Do not interconnect the


- 15 -
L3
PE
L2
L1
N

Warning:

unit.







4. Make sure the wires are securely connected.

- 16 -

-


all PE cables of the inverter need to be connected to the same grounding copper platoon to

picture 5.11.
Warning:

required, a type-A RCD with rated residual current of 300mA or higher is
suggested.otherwise inverter may not work properly.


- 17 -


prevent overcurrent. See table 5.3 below.






PC
Router
WIFI
GPRS
Web Server
Phone

Rated output
voltage(V)
Inverter Rated output
current(A)
Current for protecon
device(A)
SUN-18K-G05-AU 230 4529
SUN-20K-G05-AU 230 4533.3
SUN-25K-G05-AU 230 4536.2

- 18 -




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.




