R

Grid-connected PV Inverter
SUN-3K-G05-1 SUN-3K-G05 SUN-4K-G05
SUN-5K-G05 SUN-6K-G05 SUN-7K-G05
SUN-8K-G05 SUN-10K-G05 SUN-12K-G05

User Manual
About This Manual
The manual mainly describes the product informa�on, guidelines for installa�on, opera�on and
maintenance. The manual cannot include complete informa�on about the photovoltaic (PV) system.

How to Use This Manual

Read the manual and other related documents before performing any opera�on on the inverter.
Documents must be stored carefully and be available at all �mes. Contents may be periodically
updated or revised due to product development. The informa�on in this manual is subject to
change without no�ce.The latest manual can be acquired via service@deye.com.cn

Photovoltaic Grid-connected System

PV array Inverter Metering Power grid

Family load
Applica�on of inverter in photovoltaic power system
1. Introduc�on
1.1 Appearance Introduc�on
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-3K-G05-1, SUN-3K-G05,
SUN-4K-G05, SUN-5K-G05, SUN-6K-G05, SUN-7K-G05, SUN-8K-G05,SUN-10K-G05,
SUN-12K-G05.
The following is collec�vely referred to as “inverter”.

Pic 1.1 Front view

SUN-(3-10)K-G05 SUN-12K-G05

Pic 1.2 Bo�om view

1.2 Parts list
Please check the following table, to see whether all the parts are included in the package

Moun�ng stainless steel

Grid-�ed PV String Inverter screws M4×12
Wall moun�ng bracket x1
x1 x5

DC+/DC- Plug connectors Stainless steel an�-collision

including metal terminal bolt M6×60
AC power connectors x1 x N pairs x4

User
manual

Meter(op�onal)
User manual x1 Datalogger (op�onal) x1
x1

*Sensor Clamp(op�onal)
x3
2. Safety warnings and instruc�ons
Improper use may result in poten�al electric shock hazards or burns. This manual contains
important instruc�ons that should be followed during installa�on and maintenance. Please
read these instruc�ons carefully before use and keep them for future reference.

2.1 Safety signs

Safety symbols used in this manual, which highlight poten�al safety risks and important safety
informa�on, are listed as follows:

Warning:
Warning symbol indicates important safety instruc�ons, which if not correctly
followed, could result in serious injury or death.

Shock Hazard:
Cau�on, risk of electric shock symbol indicates important safety instruc�ons,
which if not correctly followed, could result in electric shock.

Safety Hint:
Note symbol indicates important safety instruc�ons, which if not correctly
followed, could result in some damage or the destruc�on of the inverter.

High Temperature Hazard:

Cau�on, hot surface symbol indicates safety instruc�ons, which if not correctly
followed, could result in burns.

2.2 Safety instruc�ons

Warning:
Electrical installa�on of the inverter must conform to the safety opera�on rules
of the country or local area.

Warning:
Inverter adopts non-isolated topology structure, hence must insure DC input and
AC output are electrical isolated before opera�ng the inverter.

Shock Hazard:
Prohibit disassembling inverter case, there exis�ng shock hazard, which may
cause serious injury or death, please ask qualified person to repair.
 Shock Hazard:
When PV module is exposed to sunlight, the output will generate DC voltage.
Prohibit touching to avoid shock hazard.

Shock Hazard:
While disconnect the input and output of the inverter for maintenance, please
waits for at least 5 mins un�l the inverter discharge the remnant electricity.

High Temperature Hazard:

Local temperature of inverter may exceed 80 while under opera�ng.
Please do not touch the inverter case.

2.3 Notes for using

The three phase string power inverter is designed and tested under related safety regula�ons.
It can ensure the personal safety of the user. But as a electric device, it may cause shock or
injury by incorrect opera�on. Please operate the unit under below requirements:

1. Inverter should be installed and maintained by qualified person under local standard
regula�ons.
2. Must disconnect the AC side first, then disconnect DC side while doing installa�on and
maintenance, a�er that, please wait at least 5 mins to avoid ge�ng shocked.
3. Local temperature of the inverter may exceed 80 ℃ while under opera�ng. Do not touch
to avoid ge�ng injured.
4. All electrical installa�on must be in accord with local electrical standards, and a�er
obtaining the permission of the local power supply department, the professionals can
connect the inverter to the grid.
5. Please take appropriate an�-sta�c measure.
6. Please install where children can not touch.
7. The steps to start the inverter1) switch on the AC side circuit breaker, 2) Switch on the
DC side circuit breaker of the PV panel. 3) Turn on the DC switch of the inverter.
The steps to stop the inverter1) switch off the AC side circuit breaker, 2) switch off the DC
side circuit breaker of the PV panel. 3) Turn off the DC switch of the inverter.
8. Don’t insert or remove AC and DC terminals when the inverter is in normal opera�on.
9. The DC input voltage of the inverter must not exceed the maximum value of the model.
3. Opera�on Interface
3.1 Interface View

DC AC Normal Alarm

Pic 3.1 Front panel display

3.2 Status Indicator
There are four LED status indicator lights in the front panel of the inverter. Please see table 3.1
for details.

Indicator status Explanation

on Inverter detects DC input
off Low DC input voltage
on Grid Connected
off Grid Unavailable
on Under normal opera�ng
off Stop opera�ng
on Detected faults or report faults
off Under normal opera�ng

Table 3.1 Status indicator lights

3.3 Bu�ons
There are four keys in the front panel of the Inverter(from le� to right): Esc, Up, Down and
Enter keys. The keypad is used for:

● Scrolling through the displayed op�ons (the Up and Down keys);

● Access to modify the adjustable se�ngs (the Esc and Enter keys).

Esc Up Down Enter

3.4 LCD Display

The two-line Liquid Crystal Display (LCD) is located on the front panel of the Inverter, which
shows the following informa�on:
● Inverter opera�on status and data;
● Service messages for operator;
● Alarm messages and fault indica�ons.
4. Product installa�on
4.1 Select installa�on loca�on
To select a loca�on for the inverter, the following criteria should be considered:
WARNING: Risk of fire
● Do not install the inverter in areas containing highly flammable materials or gases.
● Do not install the inverter in poten�ally explosive atmospheres.
● Do not install in small closed spaces where air can not circulate freely. To avoid overhea�ng,
always make sure the flow of air around the inverter is not blocked.
● Exposure to direct sunlight will increase the opera�onal temperature of the inverter and
may cause output power limi�ng. It is recommended that inverter installed to avoid direct
sunlight or raining.
● To avoid overhea�ng ambient air temperature must be considered when choosing the
inverter installa�on loca�on. It is recommended that using a sun shade minimizing direct
sunlight when the ambient air temperature around the unit exceeds 100°F/40.

Pic 4.1 Recommended installa�on place

● Install on a wall or strong structure capable of bearing the weight.
● Install ver�cally with a maximum incline of +/-15°. If the mounted inverter is �lted to an
angle greater than the maximum noted, heat dissipa�on can be inhibited, and may result in
less than expected output power.
● 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 picture 4.3.
● Consider whether the installa�on environment is helpful to see the inverter LCD display and
indicator status clearly.
● Must offer a ven�late environment if inverter installed in the air�ght house.

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

1 5

Pic 4.2 Installa�on Angle

 5 00mm

5 00m
Pic 4.3 Installa�on Gap

4.2 Inverter Installa�on

The inverter is designed according to the wall mounted type installa�on, please use the wall
mounted (the brick wall of the expansion bolt) when installing.

Anchoring

Moun�ng bracket

Stainless steel screws

Inverter

Pic 4.4 Inverter Installa�on

Procedure shows below:
1. Locate on the appropriate wall according to the bolt posi�on on the moun�ng bracket, then
mark the hole.On the brick wall, the installa�on must be suitable for the expansion bolt
installa�on.

Pic 4.5 Inverter hanging plate installa�on

2. Ensure that the posi�on of the installa�on holes on the wall is in accordance with the
moun�ng plate, and the moun�ng rack is ver�cally placed.
3. Hang the inverter to the top of the moun�ng rack and then use the M4 screw in the
accessory to lock inverter heat sink to the hanging plate, to ensure that the inverter will not
move.

Pic 4.6 Inverter installa�on

5 Electrical Connec�on
5.1 DC input terminal connec�on
1. Switch the Grid Supply Main Switch(AC)OFF.
2. Switch the DC lsolator OFF.
3. Assemble PV input connector to the inverter.

Warning:
When using PV modules, please ensure the PV+ & PV- of solar panel is not
connected to the system ground bar

Safety Hint:
Before connec�on, please make sure the polarity of the output voltage of PV
array matches the “DC+” and “DC-” symbols.

Warning:
Before connec�ng inverter, please make sure the PV array open circuit voltage is
within the 1000V of the inverter.

Pic 5.1 DC+ male connector Pic 5.2 DC- female connector

Safety Hint:
Please use approved DC cable for PV system.

Cross section
Cable type
Range Recommended value
Industry generic PV cable 4.0~6.0
4.0(12AWG)
(model: PV1-F) (12~10AWG)

Table 5.1 DC Cable Specifica�ons

The steps to assemble the DC connectors are listed as follows:
a)Strip off the DC wire about 7mm, disassemble the connector cap nut (see picture 5.3)

Pic 5.3 Disassemble the connector cap nut

b) Crimping metal terminals with crimping pliers as shown in picture 5.4.

Pic 5.4 Crimp the contact pin to the wire

c) Insert the contact pin to the top part of the connector and screw up the cap nut to the top
part of the connector. (as shown in picture 5.5).

Pic 5.5 connector with cap nut screwed on

d) Finally insert the DC connector into the posi�ve and nega�ve input of the inverter,shown as
picture 5.6

Pic 5.6 DC input connec�on

Warning:
Sunlight shines on the panel will generate voltage, high voltage in series may
cause danger to life. Therefore, before connec�ng the DC input line, the solar
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-
threatening condi�ons.

Warning:
Use the DC power connector of the accessories. Do not interconnect the
connectors of different manufacturers.

5.2 AC input terminal connec�on

Do not close the DC switch a�er the DC terminal is connected.Connect the AC terminal to the
AC side of the inverter, the AC side is equipped with Three phase AC terminals that can be
conveniently connected. Flexible cords are recommended for easy installa�on. The are as
shown in Table 5.2.

Warning:
Prohibit using a single circuit breaker for mul�ple inverters, prohibit the
connec�on of load between inverter circuit breakers.

Model Cable CSA Cable outer dia AWG Breaker Max cable length

SUN-3K/4K/5K Outside cable

4mm 15-18mm 10 20A/400V
/6K/7K/8K/10K-G05 (3+N+PE)20m
Outside cable
SUN-3K-G05-1 4mm 15-18mm 10 20A/400V
(3+N+PE)20m
 Model Cable CSA Cable outer dia AWG Breaker Max cable length

Outside cable
SUN-12K-G05 6mm 20-25mm 10 30A/400V
(3+N+PE)20m

Table 5.2 Cable informa�on

The AC output connector is divided into three parts: matching socket, sleeve and sealing-
sleeve, as shown in picture 5.7, the steps are as follows:

Step 1: Remove the cable sealing ring and sleeve in sequence from the AC connector.
Step 2: Use strippers to strip the protec�ve sheath and insula�on layer of the AC cable to the
right length, as shown in Picture 5.8.

1. Matching socket 2.Sleeve 3.Sealing core 4.Sealing nut

Pic 5.7 AC connector structure

Step 3: Insert the cable (L1, L2, L3, NPE) into the sealing sleeve.

Pic 5.8 Strip AC cable

Warning:
Be careful to dis�nguish the L1, L2,L3,N and PE of the AC cables.

Step 4: Use the hexagon screwdriver, loosen the bolts of the socket in turn, and insert each
cable core into the corresponding jack, and set each screw. The connec�on hole of AC
connec�on terminal labeling is shown in Picture 5.9.
 Pic 5.9 AC Connector Hole Pa�ern

Step 5: Set the sleeve and sealing ring in place.

Step 6: Connect the terminals to the inverter as shown in picture 5.10.

Pic 5.10 AC input connec�on

5.3 The connec�on of the ground line
Good grounding is good for resis�ng surge voltage shock and improving EMI perfor-
mance.Therefore, before connec�ng AC, DC and communica�on cables, you need to ground
the cable firstly. For a single system, just ground the PE cable. For mul�ple machine systems,
all PE cables of the inverter need to be connected to the same grounding copper platoon to
ensure the equipoten�al connec�on. The installa�on of the shell ground wire is shown as
picture 5.11.

Pic 5.11The installa�on of the shell ground wire

Warning:
Inverter has built-in leakage current detec�on circuit, If an external leakage
current protec�on device is connected, its opera�ng current must be greater
than 300 mA or higher, otherwise inverter may not work properly.
5.4 Max. over current protec�on device
In order to protect the inverter AC connec�on, it is recommended to install a circuit breaker to
prevent overcurrent. See table 5.3 below.

Rated output Rated output Current for protection

Inverter
voltage(V) current(A) device(A)
SUN-3K-G05-1 220/230 4.5/4.3A 20
SUN-3K-G05 220/230 4.5/4.3A 20
SUN-4K-G05 220/230 6.1/5.8A 20
SUN-5K-G05 220/230 7.6/7.2A 20
SUN-6K-G05 220/230 9.1/8.7A 20
SUN-7K-G05 220/230 10.6/10.1A 20
SUN-8K-G05 220/230 12.1/11.6A 20
SUN-10K-G05 220/230 15.2/14.5A 20
SUN-12K-G05 220/230 18.2/17.4A 30

Table 5.3 Recommended current protector specifica�ons

5.5 Inverter monitoring connec�on
Inverter has the func�on of wireless remote monitoring. The inverter with Wi-Fi func�on is
equipped with Wi-Fi Plug to connect the inverter and network. Wi-Fi Plug's opera�on, installa-
�on, Internet access, APP downloading and other processes are detailed in the instruc�ons.

Phone

GPRS

Router Web Server

WIFI

PC

Pic 5.12 Internet monitoring solu�on

5.6 Installa�on of datalogger
When installing the WiFi s�ck, tear off the sealing strip on the inverter. Insert the datalogger
into the interface and fix it with a screw. The configura�on of the datalogger needs to be
performed a�er various electrical connec�ons have been completed and the inverter DC power
on. When the inverter is on the DC power, it is determined whether the datalogger is normally
electrified (The LED light shines out of the shell).

Pic 5.13 Datalogger installa�on diagram

5.7 Configura�on of datalogger

For the configura�on of datalogger, please refer to illustra�ons of the datalogger.

6. Startup and Shutdown

Before star�ng the inverter, make sure that the inverter can meet the following condi�ons,
otherwise it may result in fire or damage to the inverter. In this case, we do not undertake
any responsibility. At the same �me, to op�mize the system configura�on, it is recommended
that the two inputs be connected to the same number of photovoltaic modules.

a). The maximum open circuit voltage of each set of photovoltaic modules shall not exceed
1000Vdc under any condi�ons.

b). Each input of the inverter be�er use the same type of photovoltaic module in series.

c). Total output power of PV shall not exceed the maximum input power of inverter, each
photovoltaic modules shall not exceed the rated power of each channel.
6.1 Start up the inverter
When star�ng up the three phase string inverter, should fellow steps below

1. Star�ng switch on the AC breaker.

2. Turn on the DC switch of the photovoltaic module, and if the panel provides sufficient
star�ng voltage and power, the inverter will start.

3. The inverter will first check the internal parameters and the grid parameters, while the
liquid crystal will show that the inverter is self-checking.

4. If the parameter is within acceptable range, the inverter will generate energy.
NORMAL indicator light is on.

6.2 Inverter Shutdown

Must follow below steps while shu�ng down the inverter:

1. Switch off the AC breaker.

2. Wait for 30 seconds, turn off the DC switch (if any), or simply disconnect the DC input
connector. The inverter will close the LCD and all LED within two minutes.

6.3 An�-PID Func�on(op�on)

Inverter
PV+

... PV- V+
R

S
PID
V- T

PE

The An�-PID module repairs the PID effect of the PV module at night.The PID module always
runs when connected to AC.
If maintenance is required and turn off the AC switch can disable the An�-PID func�on.

Warning:
The PID func�onality is automa�c.When the DC bus voltage is below 50VDC, the PID module
will create 450VDC between the PV and ground.No control and equipment are required.

Warning:
If you need to maintain the inverter, Please turn off the AC switch first,then turn off the DC switch,
and wait 5 minutes before you do other opera�ons.
7. Zero-export func�on via energy meter
There're two kinds of energy meters for this series inverter. First type is Eastron
SDM630-Modbus V2 which is able to measure the Max. 100A current directly. More details
please refer to Pic 7.1 & 7.2. For the Eastron SDM630 MCT 40mA, it needs external CT to
measure the current. The CT power range is from 5A-2000A. More details about the Eastron
SDM630 MCT, please refer to Pic 7.3 & 7.4. Also, the CHNT meter DTSU666 is supported, it can
measure the Max. 80A current directly. More details about the DTSU666, please refer to Pic
7.5 & 7.6.
When you are reading this, we believe that you have completed the connec�on according to
the requirements of chapter 5, if you have been running your inverter at this �me, and you
want to use the zero-export func�on, please turn off AC and DC switch of the inverter, and
wait for 5 minutes un�l the inverter completely discharged.Please follow below Picture 7.1
to connect the energy meter.
For system wiring diagram, the red line refers to L line (L1, L2, L3), the black line refers to the
neutral line (N). Connec�ng energy meter RS485 cable to inverter's RS485 port. It's recommended
to install an AC switch between the inverter and the u�lity grid, the specs of the AC switch are
determined by the power of load.
If there is no integrated DC switch inside the inverter you purchased, we commend you to
connect the DC switch. The voltage and current of the switch depend on the PV array you access.
 1 2 3 4 5 6 7 8

(1,2,3,4) (5,6,7,8)

B A G
5 6 7 8
RS 485
RS 485 B RS 485 A GND

Pic 7.1 Eastron meter

Inverter
Solar Panel array SUN-(3-10)K-G05 SUN-12K-G05

AC Breaker
RS 485
Male
connector L1 L2 L3 N

Family load
VCC_5V 485_B
N L3 L2 L1
RS 485
Female connector L1 L2 L3 N

GND 485_A
meter

5 6 7 8

L1 L2 L3 N
485_A L1 L2 L3 N
485_B

RS485 Communication
GND

Pic 7.2 Connec�on diagram of Eastron meter Grid

Warning:
In final installa�on, breaker cer�fied according to IEC 60947-1 and IEC 60947-2
shall be installed with the equipment.
 9 1 0 11 1 2 1 3 1 4 1 5 1 6 1 7 1 8 1 9 2 0

3 PHASE 4 WIRE
P2 P1
L1
L2
P2 P1 S2 S1

L3
P2 P1 S2 S1

S2 S1
N

1 2 3 4 5 6 15 16 17 18 19 20
Grid voltage Auxiliary Current inputs
sampling power supply
1 2 3 4 5 6 7 8

14 13 12
RS 485
RS 485 A RS 485 B GND
Pic 7.3 Eastron meter

Inverter
Solar Panel array SUN-(3-10)K-G05 SUN-12K-G05

AC Breaker

RS 485

N L3 L2 L1
Male connector

Family load
black line

VCC_5V 485_B
White line

CT3
black line

RS 485 White line

Female CT2
connector black line

White line

CT1

GND 485_A
GND B A S2 S1 S2 S1 S2 S1
9 1 0 11 1 2 1 3 1 4 1 5 1 6 1 7 1 8 1 9 2 0

8
7

N L3 L2 L1 LA NA
6
5
4
3
2
1

485_A
485_B
meter L1 L2 L3 N
RS485 Communication
GND

Grid
Pic 7.4 Connec�on diagram of Eastron meter
 (1,4,7,10) (3,6,9,10)

RS 485

Pic 7.5 CHNT meter

Inverter
Solar Panel array SUN-(3-10)K-G05 SUN-12K-G05

AC Breaker

RS 485

N L3 L2 L1
Male connector

L1 L2 L3 N Family load
VCC_5V 485_B

RS 485
Female connector
meter
GND 485_A

L1 L2 L3 N
485_A
485_B

RS485 Communication

Grid

Pic 7.6 Connec�on diagram of CHNT meter

7.1 Mul�ple strings and parallel connec�on meters

This applica�on is that when the string inverters work in parallel, there is only one
power grid and one load, and only one meter can be connected to prevent reverse
current, so only this many-to-one an�-reverse current connec�on can be connected.
If there’s several inverters in a plant, also it can use 1pcs meter to realize zero export
func�on.For example,if there’s 3pcs inverter in the system with 1pcs meter.We need
to setup 1pcs inverter as the master and others setup as slaves. And, all of them need
to connect to the meter via RS485. Below is the system diagram and configura�on of
the system.

Meter OFF << Exp_Mode AVG <<

Limiter OFF CT Ratio 0
MFR ACREL Shunt OFF
FeedIn 0.0KW << ShuntQTY 1 <<
Generator ON G.MFR CHNT
G.CT 1 << G.FeedIn 0% <<
G.Cap 0.0KW
Back<<
Pic 7.7 Meter func�on
 Name Descrip�on Range
AVG: Average power of three phase is zero
exported.
Exp_Mode MIN: Phase with minimum load power is zero AVG/MIN
exported, while the other two phase may be
in purchase mode.
CT ra�o of power grid side meter when extern
CT_Ra�o 1-1000
CT is applied.

Manufacturer of the grid side meter. Modbus AUTO/CHNT/

MFR
Address of it should be set as 01. EASTRON
Percentage of the Feed in power exported
Feedin 0-110%
to the grid.
Parallel mode. Set one inverter as Master,
OFF/Master/
Shunt others are Slave. ONLY need to set the master,
Slave
Slave will follow the se�ngs in the master.

ShuntQTY Number of inverters in parallel 1-16

Generator DG side meter func�on Enable/Disable ON/OFF

CT ra�o of power DG side meter when extern
G.CT 1-1000
CT is applied.

Manufacturer of the DG side meter. Modbus AUTO/CHNT/

G.MFR
Address of it should be set as 02. EASTRON
G.FeedIn Output power percentage of the DG. 0-110%
G.Cap Capacity of the DG. 1-999kW

NoteSelect Meter op�on in Run Param and long press ENTER bu�on to enter this Meter
Se�ng page.
 1 2 3 4 5 6 7 8

(1,2,3,4) (5,6,7,8)

B A G
5 6 7 8
RS 485
RS 485 B RS 485 A GND

Pic 7.8 Eastron meter

Grid
RS485 L1 L2 L3 N

485_B

485_A

GND

Grid meter
(as short as possible)

(as short as possible)

(as short as possible)

(as short as possible)

(as short as possible)

(as short as possible)

485_B

485_B
485_A

485_A
GND

GND

5 6 7 8

L1 L2 L3 N

VCC_5V 485_B

RS 485
Female connector

RS485 RS485
GND 485_A

AC Breaker
L1
L2
L3
N
load
AC Breaker
L1
L2
L3
N
Solar Panel array
AC Breaker
L1
L2
L3
N
Solar Panel array
AC Breaker
L1
L2
L3
N
Solar Panel array

Pic 7.9 Eastron Connec�on diagram(The pass-through table)

9 1 0 11 1 2 1 3 1 4 1 5 1 6 1 7 1 8 1 9 2 0

3 PHASE 4 WIRE
P2 P1
L1
L2
P2 P1 S2 S1

L3
P2 P1 S2 S1

S2 S1
N

1 2 3 4 5 6 15 16 17 18 19 20
Grid voltage Auxiliary Current inputs
sampling power supply
1 2 3 4 5 6 7 8

14 13 12
RS 485
RS 485 A RS 485 B GND

Pic 7.10 Eastron meter

AC Breaker
L1
L2
L3
N
Solar Panel array
AC Breaker
L1
L2
L3
N
Solar Panel array
AC Breaker
L1
L2
L3
N
Solar Panel array

AC Breaker
L1
L2
L3
N
load

black line
White line

VCC_5V 485_B CT3

black line
White line

CT2
RS 485 black line
White line

Female connector CT1

GND 485_A

L1 L2 L3 N
GND B A S2 S1 S2 S1 S2 S1
9 1 0 11 1 2 1 3 1 4 1 5 1 6 1 7 1 8 1 9 2 0

8
7

N L3 L2 L1 LA NA
6
5
4
3
2
1

RS485

Grid meter Grid

485_B

485_A

GND
(as short as possible)

(as short as possible)

(as short as possible)

(as short as possible)

(as short as possible)

(as short as possible)

485_B

485_B
485_A

485_A
GND

GND

RS485 RS485

Pic 7.11 Connec�on diagram(Three-phase electricity )

 (1,4,7,10) (3,6,9,10)

RS 485

Pic 7.12 CHNT meter

AC Breaker
L1
L2
L3
N
Solar Panel array
AC Breaker
L1
L2
L3
N
Solar Panel array
AC Breaker
L1
L2
L3
N
Solar Panel array

AC Breaker
L1
L2
L3
N
load

VCC_5V 485_B

RS 485
Female connector

GND 485_A

RS485

485_B

485_A

GND
(as short as possible)

(as short as possible)

(as short as possible)

(as short as possible)

485_B

485_B
485_A

485_A

L1 L2 L3 N

RS485 RS485

Grid
Pic 7.13 CHNT Connec�on diagram(The pass-through table)
7.2 Use of zero-export func�on
When the connec�on is completed, the following steps should be refered to use this func�on:
1. Turn on the AC switch.
2. Turn on the DC switch, wai�ng for the inverter's LCD is turned on.
3. Press Enter bu�on on the LCD panel in the main interface into the menu op�ons, select
[parameter se�ng] to enter setup submenu, and then select [running parameters] as shown
in picture 7.14, at this �me please input the default password 1234 through pressing the
bu�on [up down, enter], enter the opera�on parameter se�ng interface, shown as
picture 7.15.

System Param << Island OFF

Run Param Meter 0FF <<
Pic 7.14 Parameter se�ng Pic 7.15 Meter switch
4. Operate the bu�on [up down], move se�ng cursor to energy meter and press the bu�on
[enter]. At this �me you can turn on or turn off the energy meter by choosing [up down]
bu�on, please press [enter] bu�on to confirm when se�ng done.
5. Move the cursor to [OK], press [enter] to save the se�ngs and exit the running
parameters page, otherwise the se�ngs are invalid.
6. If set up successfully, you can return to the menu interface, and display the LCD to [home
page] by press the [up down] bu�on. If it displays [meter power XXW], the zero-export
func�on se�ng is completed. Shown as picture 7.16.

Meter Power:
20W
Pic 7.16 Zero-export func�on via energy meter turn on
7. Meter power XXW shows posi�ve means grid is supplying the load, and no power fed into
grid. if meter power shows nega�ve, it means PV energy is being sold to grid or energy meter
wiring connce�on has problem.
8. A�er properly connec�on is done, wait for inverter star�ng. If the power of the PV array
meets the current power consump�on, the inverter will keep a certain output to counteract
the power of the grid without backflow .
7.3 Notes while using zero export func�on
For your safety and the opera�on of limiter func�on of the inverter, we put forward the
following sugges�ons and precau�ons:

Safety Hint:
Under zero export mode we strongly recommend that the two PV arrays are
formed by the same number of PV panels of the same size, which will make the
inverter more responsive to limit the power.

Safety Hint:
While the u�lity power is nega�ve and inverter has no output power, that means
the orienta�on of the current sensor is wrong, please turn off the inverter and
change orienta�on of the current sensor.

7.4 How to browse the load power of your PV grid-�e plant on monitoring pla�orm?
If you want to browse load power of the system and how much energy (KWH) does it export to
gridinverter output power is used to power the load firstly and then the surplus energy will
feed into grid. You also need to connect the meter according to above diagram. A�er the
connec�on completed successfully, the inverter will show the load power on the LCD. But please
don’t setup “Meter ON”. Also, you will be able to browse the load power on the monitoring
pla�orm. The plant se�ng method as below descrip�on.
Firstly, go to the solarman pla�orm(h�ps://pro.solarmanpv.com, this link is for solarman
distributor account; or h�ps://home.solarmanpv.com, this link is for solarman end user
account;) plant home page and click “edit”
And then choose your system type as “Self-consump�on”

Secondly, go to plant page, if it shows the PV power, load power and grid power, which means
the configura�on is correct.
8. General Opera�on
During normal opera�on, the LCD shows the current status of the inverter, including the
current power, total genera�on, a bar chart of power opera�on and inverter ID,etc. Press the
Up key and the Down key to see the current DC voltage, DC current, AC voltage, AC current,in-
verter radiator temperature,so�ware version number and Wifi connec�on state of the
inverter.
LCD Main menu

Total DC Power GL3000 SN-13

Device ID:2107279701
PV1 and Power informa�on Inv1400
LcdA238
UA and UB 1 F35 220513 07
2 F35 220513 06
UC and Freq Fault record 3 F35 220513 06
4 F35 220513 06
E-Day and E-Total
Start Time ON/OFF
Turn ON

Turn OFF
*Meter

*IoaEp and Total Setup

*lmpEp and Total Branch 1 : 0.0A

*PV VA
*Load Branch 2 : 0.0A

*ExpEp and Total

Polski
Time Set P cck
English
Language Set

Bright Keep
Setup System param Display Set
Delay �me 05S
Confirm Reset
Factory Reset
Cancel
I Confirm
Set Restore
Cancel
 P1-P6
QP Vstart
Q1-Q6
Vstop
PFP
Pstart P1-P6 PF1-PF6
Pstop RmpTime
Ac�veP QU
PmpTime
Q-Mode PtUsed
PF
VRated V1-V6 Q1-Q6
Q(%)
ReactP

PF OFF
AVG
Fun- ISO Exp_Mode
CT_Ra�o 0 MIN AUTO
Fun RCD MFR EASTRON
FeedIn ACREL
SelfCheck OFF CHNT
Shunt MST
ShuntQTY SLV
Island
Generator
Meter G.CT AUTO
EASTRON
Setup Limiter
G.MFR
G.FeedIn
ACREL
CHNT
Running param Feed-in G.Cap
V1-V12
MPPT Num DC1-Wind OFF/ON
DC2-Wind OFF/ON
WindTurbine OK
CLR
Cancel
ARC ON
OFF
OF-Derate HYS
ON
UF-Uprate OFF
WGRa

WGraStr
ON
PU OFF
V1-V4 P1-P4
LVRT

HVRT HardLimita�on
PowerLim Enable
Point
DRM So�Limita�on

Sunspec
*Note: These parameters will be avaiable a�er the meter is INMETRO
connected successfully. Otherwise, it won't show. EN50549
EN50438
IEC61727
CUSTOM
VDE_4105
UTE_C15
RD1699
CEI_0_21
G98_G99
AS4777(.2)
NB/T 32004
MEA
GridStanderd PEA
Protect Param Advanced OverVolt Lv3-Lv1
Point 240.0V
Back Delay 1000ms
UnderVolt Lv1-Lv3
Point 235.0V
Delay 1000ms
Setup OverFreq Lv3-Lv1
Point 52.00Hz
Delay 1000ms
UnderFreq Lv1-Lv3
Point 48.00Hz
Delay 1000ms
Reconnec�on
Vup
Vdown
Fup
Fdown
OV 10 Minutes
Enable
Point
Grid: 127/220V

Address:01
Comm. param Meter:AUTO
BaudRate: 9600

Pic 8.1 LCD opera�on flow chart

8.1 The ini�al interface
From the ini�al interface, you can check PV power, PV voltage, grid voltage, inverter ID, model
and other infoma�on.

Power: 0W Power: 0W
State: Standby State: Com.Error
Pic 8.2 The ini�al interface
Press UP or Down, you can check inverter DC voltage, DC current, AC voltage, AC current and
inverter temperature.

Total DC POWER: PV1: 0.0V 0.0A

0W Power: 0W
Pic 8.3 PV input voltage and current Pic 8.4 Load power
informa�on

UA: 234V 0.0A UC: 0V 0.0A

UB: 0V 0.0A Freq: 0.00Hz
Pic 8.5 Grid voltage and current informa�on Pic 8.6 Grid voltage and frequency
E-Day: Daily genera�on;
E-Day : 0Wh E-Total: Total genera�on.

E-Total : 134KWh
Pic 8.7 PV genera�on

21 - 05 - 2020 Meter
15 : 57 : 08 Power: 0W
Pic 8.8 Time Pic 8.9 Meter power
LoadEp: Daily consump�on;
LoadEp: 0.00KWh Total: Total energy consump�on.

Total : 0.00KWh
Pic 8.10 Load consump�on
 ImpEp: Daily energy purchased from grid;
ImpEp: 0.00KWh Total: Total energy purchased from grid.

Total : 0.00KWh
Pic 8.11 Electrical energy
ExpEp: Daily energy sold to grid;
ExpEp: 0.00KWh Total: Total energy sold to grid.

Total : 0.00KWh
Pic 8.12 Electrical energy
8.2 Submenus in the Main Menu
There are five submenus in the Main Menu.

8.2.1 Device informa�on

You can see the LCD so�ware VerA238 and control board so�ware Ver1400. In this interface,
there are parameters such as rated power communica�on addresses.

Device Info. << GL3000 SN-13

Fault Record ID:2107279701

ID:2107279701 Inv1400
Inv1400 LcdA238
Pic 8.13 Device informa�on
8.2.2 Fault Record
It can keep Eight fault records in the menu including �me, customer can deal with it depends
on the error code.

Device Info. 1 F35 220513 07

Fault Record << 2 F35 220513 06
3 F35 220513 06
4 F35 220513 06
Pic 8.14 Fault Record
8.2.3 ON/OFF se�ng

ON / OFF << Turn ON <<

Setup Turn OFF
Turn ON Turn OFF
OK << Cancel OK << Cancel
Pic 8.15 ON/OFF se�ng
When the inverter is turned off, it stops working immediately, and go to standby mode and
then will go to self-test program again. If it passed the self-test, it will start to work again.

8.2.4 PV VA se�ng

Setup Branch 1 : 0.0A

PV VA << Branch 2 : 0.0A
Pic 8.16 PV String current
Each PV string current and this func�on is op�onal.

8.2.5 Parameter se�ng

There are five submenus in the setup.Se�ng includes system param, run param, protect
param, commparam. All of these informa�on for maintenance reference.

Setup << System Param <<

PV VA Run Param
Protect Param
Comm. Param <<
Pic 8.17 Submenus of the parameter setup
8.3 System param se�ng
System Param includes �me set, language set, display set and factory reset.

Time Set << Display Set

Language Set Factory Reset <<
Factory Reset
Set Restore <<
Pic 8.18 System Param

20200522 OK English <<

08:11:21 Cancel Polski
Pic 8.19 Time

Polski Bright Keep <<

P CCK << Delay time 05S
Pic 8.20 Language Pic 8.21 LCD Screen se�ngs

Delay time 05S Confirm Reset <<

OK << Cancel Cancel
Pic 8.22 Delay �me set Pic 8.23 Reset to factory se�ng

I Confirm <<
Cancel
Pic 8.24 Set Restore
8.4 Running param set

Warning:
Password required-- only for access-authorized engineer. Un-authorized access
may avoid the warranty. The ini�al password is 1234.

PassWord

Pic 8.25 Password

ActiveP 0% Vref 0.0V

Q-Mode OFF << ReactP 0.0% <<
PF -1.000 Fun -RCD OFF <<
FunISO
- OFF << SelfCheck 0S
Island OFF << Limiter OFF
Meter OFF Feed-in 0% <<
MPPT Num 0
WindTurbine <<
Pic 8.26
Name Descrip�on Range
Ac�veP Adjust the output ac�ve power in % 0-110%
OFF/Q(P)/PF(P)
Q-Mode Mul�ple reac�ve power control modes
/Q(U)/PF/Q(%)
Grid reference voltage for func�ons
Vref 80-260V
including Q(U),PF(P),P(U)etc.

ReactP Adjust reac�ve power output in % -100%-+100%

PF Power Fator -1-0.8~+0.8-1

Fun_ISO Insula�on resistance detec�on ON/OFF

Fun_RCD Residual current detec�on ON/OFF

Inverter's self-check �me.The default

Self-check 0-1000s
value 60s

Island An�-islanding protec�on ON/OFF

If you want to use zero output mode,please set

Meter ON/OFF
Meter to ON and select OFF to view data only

It is used to deploy how much power can

be feed in to grid when the inverter works
under zero export mode.(For example,
Feed_IN % Feed_in=50% of the 12KW model and 0-100%
load power is 5KW. which means Max 6KW
power can be feed into grid a�er inverter
providing 5Kw to the load firstly.

Pic 8.27
ARC ON UF-Uprate OFF <-
OF-Derate OFF <- WGra 0.000%
WGra 0.0% << PU ON
WGraStr 0.0% PowerLim <<
Pic 8.28

HardLimitation HardLimitation
Enable OFF << Point 0.0% <<
SoftLimitation OK << Cancel
Enable OFF <<
Pic 8.29

LVRT OFF DRM OFF

HVRT OFF << Sunspec OFF <<

Sunspec OFF <<

OK Cancel <<
Pic 8.30
Name Descrip�on Range

ARC Arc-fault detec�on func�on ON/OFF/CLR

Ac�ve power response to over-
OF-Derate ON/OFF/HYS
frequency
Ac�ve power response to under-
UF-Uprate ON/OFF
frequency
power response to grid voltage
PU ON/OFF
devia�on
LVRT voltage ride through func�on ON/OFF

HVRT voltage ride through func�on ON/OFF

PowerLim Hard/so� export limit control ON/OFF

DRM Demand Response Modes ON/OFF

Sunspec Sunspec Func�on ON/OFF

Percentage of Nominal Power

WGraStr 0.1%~10%
per second
percentage of Nominal Power
WGra 0.1%~10%
per second
Pic 8.31
Over-frequency Response
This series inverter provides “over-frequency response” func�on.
Long pressing the “OFD Mode” to enter the “over-frequency response”
se�ng menu.

ARC ON ARC ON
OF-Derate ON <- OFDMode HYS <-
ARC ON
OF-Derate OFF <-
Tab. 11-4 Definition of Over-frequency Response Parameters

Parameter Range Description

Fstr 45HZ-65HZ The Start frequency value for over-frequency response.
Fstop 45HZ-65HZ The Stop frequency value for over-frequency response.

RecPT 45HZ-65HZ In hysteresis mode, power is restored only when

it is below this frequency

RecGra [3,500] 0.01%Pmax/s Rate of Power recovery(Percentage of active power)

For example, StrtPT: 50.5Hz, StopPT:

51.5Hz, RecPT: 50.1Hz, when the grid
frequency increases beyond Start: 50.5Hz, Fstr 50.50Hz
the inverter will linearly reduce the power
output with a gradient of 100% Pmax/Hz Fstop 51.50Hz <<
un�l it reaches StopPT: 51.5Hz

Rated
Output RecPT
Power(kW)
Fstr

Hysteresis mode Fstop

50.0 50.1 50.2 50.3 50.4 50.5 50.6 50.7 50.8 50.9 51.0 51.1 51.2 51.3 51.4 51.5 51.6 51.7 51.8 51.9 52.0
Grid Frequency(Hz)

Fig. 11-3 Frq-Watt Mode for Over-frequency Conditions

When the frequency exceeds Fstop: 51.5Hz, the inverter output should stop (ie 0 W).
When the frequency is lower than Fstop: 51.5 Hz, the inverter will linearly increase the power
output with a gradient of 100% Pmax/Hz un�l it reaches Fstr: 50.5 Hz.
In the hysteresis mode, when the frequency is lower than Fstop: 51.5 Hz, the inverter will not
increase the power output un�l it is lower than RecPT: 50.1 Hz.

Frec 50.10Hz RecDly 0.00

RecGra 0.00% << OK << Cancel
The inverter provides a reactive power regulation function.
Tap Reactive Power Regulation Mode to select proper regulation mode and set the
corresponding parameters.

ActiveP 0% ActiveP 0%
Q-Mode OFF << Q-Mode Q(P) <<
ActiveP 0% ActiveP 0%
Q-Mode PF(P) << Q-Mode Q(U) <<
ActiveP 0% ActiveP 0%
Q-Mode PF << Q-Mode Q(%)<<
Pic 8.32

"OFF" Mode
The reac�ve power regula�on func�on is disabled. The PF is fixed at +1.000
Q(%)
Adjust reac�ve power output in %.
"PF" Mode
The power factor (PF) is fixed and the reac�ve power is regulated by the parameter
PF. The PF ranges from 0.8 leading to 0.8 lagging.
•Leading: the inverter is sourcing reac�ve power to the grid.
•Lagging: the inverter is injec�ng reac�ve power into the grid.
 "Q(U)" Mode
The reac�ve power output of the inverter varies in response to the grid voltage.
"Q(P)" Mode
The reactive power output by the inverter is controlled by the active power
of the inverter.
"PF(P)" Mode
The PF is controlled by the active power of the inverter.

“PU” Mode
The ac�ve power output of the inverter varies in response to the grid voltage

WGraStr 0.0% WGraStr 0.0%

PU OFF <- PU ON <-
V1 0.0% << V2 0.0% <<
P1 0.0% P2 0.0%
V3 0.0% << V4 0.0% <<
P3 0.0% P4 0.0%
OK Cancel <<
 U/Vref

(U1,P1)

(U2,P2)

(U3,P3)

(U4,P4)

P/Pn

Pic 8.33 Ac�ve Power Regula�on Curve in PU Curve

Parameter Range Descrption

P1 Value of P/Pn at point (P1,U1) on the PU mode

0%-110% Pn
curve
Grid voltage limit at point (P1,U1) on the PU mode
U1 0% -150% Vref
curve
P2 0%-110% Pn Value of P/Pn at point (P2,U2) on the PU mode
curve
Grid voltage limit at point (P2,U2) on the PU mode
U2 0% -150% Vref
curve
P3 Value of P/Pn at point (P3,U3) on the PU mode
0%-110% Pn
curve
Grid voltage limit at point (P3,U3) on the PU mode
U3 0% -150% Vref
curve
P4 0%-110% Pn Value of P/Pn at point (P4,U4) on the PU mode
curve
0% -150% Vref Grid voltage limit at point (P4,U4) on the PU mode
U4
curve

"PU" Mode Parameters Explanation

“Q(U)” Mode

ActiveP 0% Pstart 0.0% <<

QMode Q(U) <- Pstop 20.0%
RmpTime 0s V1 0.0% <<
PtUsed 0 << Q1 0.0%
V2 0.0% << V3 0.0% <<
Q2 0.0% Q3 0.0%
V4 0.0% << V5 0.0% <<
V4 0.0% Q5 0.0%
V6 130.0% << Q6 0.0%
Q6 30.0% OK Cancel <<
Pic 8.34
 (U1,Q1)
Upper
Q/Pn lnd

(U2,Q2)

(U4,Q4)
Grid
Voltage
(U3,Q3)

(U5,Q5)

Lower
Q/Pn Cap (U6,Q6)

Pic 8.35 Reac�ve Power Regula�on Curve in Q(U) Curve

Parameter Range Description
The QU mode starts when the active power
Pstart 0%-130% Rate out power is greater than this value
The QU mode stops when the active power
Pstop 0%-130% Rate out power
is less than this value

Q1 Value of Q/Pn at point (U1,Q1) on the Q(U)

-60% -60% Q/Pn
mode curve
Grid voltage limit at point (U1,Q1) on the
V1 0-110% VRated
Q(U) mode curve
Value of Q/Pn at point (U2,Q2) on the Q(U)
Q2 -60% -60% Q/Pn
mode curve

0-110% VRated Grid voltage limit at point (U2,Q2) on the

V2
Q(U) mode curve

Q3 Value of Q/Pn at point (U3,Q3) on the Q(U)

-60% -60% Q/Pn
mode curve
Grid voltage limit at point (U3,Q3) on the
V3 0-110% VRated Q(U) mode curve

Q4 Value of Q/Pn at point (U4,Q4) on the Q(U)

-60% -60% Q/Pn
mode curve
Grid voltage limit at point (U4,Q4) on the
V4 0-110% VRated
Q(U) mode curve

Q5 Value of Q/Pn at point (U5,Q5) on the Q(U)

-60% -60% Q/Pn mode curve
Grid voltage limit at point (U5,Q5) on the
V5 0-110% VRated Q(U) mode curve

Value of Q/Pn at point (U6,Q6) on the Q(U)

Q6 -60% -60% Q/Pn mode curve
Grid voltage limit at point (U6,Q6) on the
V6 0-110% VRated
Q(U) mode curve
Increase or decrease the time required for
RMpTime 0-1000s the reactive power to reach the specified
value of the curve.

"Q(U)" Mode Parameters Explanation

“Q(P)” Mode
The reactive power output by the inverter is controlled by the active power of the inverter.
Upper
Q/Pn lnd
(P1,Q1)

P2(P2,Q2)

P4(P4,Q4) P/Pn

P3(P3,Q3)

P5(P5,Q5)

Lower
P6(P6,Q6)
Q/Pn Cap

Pic 8.36 Reac�ve Power Regula�on Curve in Q(P) Mode

ActiveP 20.0% P1 0.0% <<

QMode QP <- Q1 0.0%
P2 0.0% << P3 0.0% <<
Q2 0.0% Q3 0.0%
P4 0.0% << P5 0.0% <<
Q4 0.0% Q5 0.0%
P6 0.0% << OK << Cancel
Q6 0.0%
Parameter Range Description
Power value/Pn at point (P1,Q1) on the Q(P) mode
P1 0%-100% Pn
curve
Reac�ve power value at point (P1,Q1) on the Q(P)
Q1 -60% -60% Q/Pn
mode curve
Power value/Pn at point (P2,Q2) on the Q(P) mode
P2 0%-100% Pn
curve
Reac�ve power value at point (P2,Q2) on the Q(P)
Q2 -60% -60% Q/Pn
mode curve
Power value/Pn at point (P3,Q3) on the Q(P) mode
P3 0%-100% Pn
curve
Reac�ve power value at point (P3,Q3) on the Q(P)
Q3 -60% -60% Q/Pn
mode curve
Power value/Pn at point (P4,Q4) on the Q(P) mode
P4 0%-100% Pn
curve
Reac�ve power value at point (P4,Q4) on the Q(P)
Q4 -60% -60% Q/Pn
mode curve
Power value/Pn at point (P5,Q5) on the Q(P) mode
P5 0%-100% Pn
curve
Reac�ve power value at point (P5,Q5) on the Q(P)
Q5 -60% -60% Q/Pn
mode curve
Power value/Pn at point (P6,Q6) on the Q(P) mode
P6 0%-100% Pn
curve
Reac�ve power value at point (P6,Q6) on the Q(P)
Q6 -60% -60% Q/Pn
mode curve

"Q(P)" Mode Parameters Explanation

"PF(P)" Mode
The output power factor is controlled by the active power of the inverter.

Vstart 0.0% P1 0.0%

Vstop 0.0% PF1 -1.000 <<
P2 0.0% P3 0.0%
PF2 -1.000 << PF3 -1.000 <<
P4 0.0% P5 0.0%
PF4 -1.000 << PF5 -1.000 <<
P6 0.0% RmpTime 0s
PF6 -1.000 << OK Cancel <<
PF lagging
P1(P1,PF1)

P2(P2,PF2)

P4(P4,PF4)
P/Pn
P3(P3,PF3)

P5(P5,PF5)

P6(P6,PF6)
PF leading

Pic 8.37 Power factor Regula�on Curve in PF(P) Mode

Parameter Range Description

The PFP mode is enable when grid

Vstart 0-150% Vref
voltage is greater than Vstart
The PFP mode is disable when grid voltage
Vstop 0-150% Vref
is less than Vstop
Power value at point (PF1,P1) on the PF(P)
P1 0-110% Pn
Curve
PF value at point (PF1,P1) on the PF(P)
PF1 0.8 leading - 0.8 lagging
Curve
Power value at point (PF2,P2) on the PF(P)
P2 0-110% Pn
Curve
PF value at point (P2,PF2) on the PF(P)
PF2 0.8 leading - 0.8 lagging
Curve
Power value at point (P3,PF3) on the PF(P)
P3 0-110% Pn
Curve
PF value at point (P3,PF3) on the PF(P)
PF3 0.8 leading - 0.8 lagging
Curve
Power value at point (P4,PF4) on the PF(P)
P4 0-110% Pn
Curve
PF value at point (P4,PF4) on the PF(P)
PF4 0.8 leading - 0.8 lagging
Curve
Power value at point (P5,PF5) on the PF(P)
P5 0-110% Pn
Curve
PF value at point (P5,PF5) on the PF(P)
PF5 0.8 leading - 0.8 lagging
Curve
Power value at point (P6,PF6) on the PF(P)
P6 0-110% Pn
Curve
PF value at point (P6,PF6) on the PF(P)
PF6 0.8 leading - 0.8 lagging
Curve

RMpTime 0-1000s The �me of the PFF Curve in seconds

(�me to accomplish a change of 95%).

"PF(P)" Mode Parameters Explanation

8.5 Protect Param

Warning:
Engineer Only.
We will set the param depends on the safety requirements, so customers don't
need to reset it. The password is same as 8.4 Running param

PassWord GridStanderd <<

Advanced

Back <<

Pic 8.32 Password

INMETRO EN50438
EN50549 << IEC61727 <<
CUSTOM UTE_C15
VDE_4105 << RD1699 <<
_ 21
CEI_0 AS4777(.2)
G98_G99 << NB/T 32004
MEA OK Cancel <<
PEA <<
Warning:
Engineer only.

OverVolt Lv3 OverVolt Lv3

Point 240.0V << Delay 1000ms <<
OverVolt Lv2 OverVolt Lv2
Point 240.0V << Delay 1000ms <<
OverVolt Lv1 OverVolt Lv1
Point 240.0V << Delay 1000ms <<
UnderVolt Lv1 UnderVolt Lv1
Point 235.0V << Delay 1000ms <<
UnderVolt Lv2 UnderVolt Lv2
Point 235.0V << Delay 1000ms <<
UnderVolt Lv3 UnderVolt Lv3
Point 235.0V << Delay 1000ms <<
OverFreq Lv3 OverFreq Lv3
Point 52.00Hz << Delay 1000ms <<
OverFreq Lv2 OverFreq Lv2
Point 52.00Hz << Delay 1000ms <<
OverFreq Lv1 OverFreq Lv1
Point 52.00Hz << Delay 1000ms <<
UnderFreq Lv1 UnderFreq Lv1
Point 48.00Hz << Delay 1000ms <<
 UnderFreq Lv2 UnderFreq Lv2
Point 48.00Hz << Delay 1000ms <<
UnderFreq Lv3 UnderFreq Lv3
Point 48.00Hz << Delay 1000ms <<
Reconnection Reconnection
Vup 0.0V << Vdown 0.0V <<
Reconnection Reconnection
Fup 0.00Hz << Fdown 0.00Hz <<
OV 10 Minutes OV 10 Minutes
Enable OFF << Point 0.0% <<
Point 0.0% Grid 127/220V <<
Grid 127/220V << OK Cancel <<
Pic 8.33 “CUSTOMIZED”
Please set the proper grid parameters according to the requirements of your current country's
grid regula�ons.If you are not clear about it, please consult your installer.

8.6 Comm. param set

Address: 01 << BaudRate: 9600

BaudRate: 9600 Meter: AUTO
Pic 8.34 Comm. Param
9. Repair and Maintenance
String type inverter doesn’t need regular maintenance. However,debris or dust will affect heat
sink’s thermal performance. It is be�er to clean it with a so� brush. If the surface is too dirty
and affect the reading of LCD and LED lamp, you can use wet cloth to clean it up.

High Temperature Hazard:

When the device is running, the local temperature is too high and the touch can
cause burns. Turn off the inverter and wait for it cooling, then you can clean and
maintain.

Safety Hint:
No solvent, abrasive materials or corrosive materials can be used for cleaning
any parts of the inverter.

10.Error informa�on and processing

Inverter has been designed in accordance with interna�onal grid �ed standards for safety,
and electromagne�c compa�bility requirements. Before delivering to the customer the
inverter has been subjected to several tests to ensure its op�mal opera�on and reliability.
10.1 Error code
If there is any failure,the LCD screen will display an alarm message. In this case,the inverter
may stop feeding energy into the grid. The alarm descrip�on and their corresponding alarm
messages are listed Table 10.1

Error code Descrip�on Ongrid - Three Phase

F01 DC input polarity reverse fault Check the PV input polarity

F02 DC insula�on impedance Check the grounding cable of inverter.

permanent fault

F03 DC leakage current fault Hardly appear the code. Never ever happened so far

F04 Ground fault GFDI Check the solar panel output connec�on.

F05 Read the memory error Failure in reading memory (EEPROM). Restart the inverter if the
fault s�ll exists, contact your installer or Deye service.

F06 Write the memory error Failure in wri�ng memory (EEPROM). Restart the inverter if the
fault s�ll exists, contact your installer or Deye service.

F07 GFDI blown fuse Hardly appear the code. Never ever happened so far

F08 GFDI grounding touch failure Hardly appear the code. Never ever happened so far

F09 IGBT damaged by excessive drop Hardly appear the code. Never ever happened so far.
voltage

Auxiliary switch power supply 1. It tells the DC 12V is not existed.

F10 failure 2. Restart the inverter, if the fault s�ll exists, please contact
your installer or Deye service.

F11 AC main contactor errors Hardly appear the code. Never ever happened so far

F12 AC auxiliary contactor errors Hardly appear the code. Never ever happened so far

1. Loss of one phase or AC voltage detec�on part failure or

F13 reserved relays not closed.
2. Restart the inverter, if the error s�ll exists, please contact your
installer or Deye service.

F14 DC firmware over current Hardly appear the code. Never ever happened so far.

1. The internal AC sensor or detec�on circuit on control board

F15 or connec�on wire may loose.
AC firmware over current 2. Restart the inverter, if the error s�ll exists, please contact
your installer or Deye service.

1. This fault means the average leakage current is over 300mA.

Check whether DC power supply or solar panels is ok, then
GFCI(RCD) Ac leakage current check 'Test data'-> 'diL'value is about 40; Then check the
F16 fault leakage current sensor or circuit (the following picture).
Checking test data needs using big LCD.
2. Restart the inverter, if the error s�ll exists, please contact your
installer or Deye service.

F17 Three phase current, Hardly appear the code. Never ever happened so far.
over-current fault

1. Check AC sensor or detec�on circuit on control board or

F18 connec�on wire.
AC over current fault of hardware 2. Restart the inverter or factory reset, if the error s�ll exists,
please contact your installer or Deye service.

F19 All hardware failure synthesis Hardly appear the code. Never ever happened so far.
Error code Descrip�on Ongrid - Three Phase
1. Check whether solar panel output current is within the
allowed range.
F20 DC over current fault of the 2. Check DC current sensor and its detec�on circuit.
hardware 3. Check if the inverter FW version is suitable for the hardware.
4. Restart the inverter, if the error s�ll exists, please contact your
installer or Deye service.

F21 DC leakage flow fault Hardly appear the code. Never ever happened so far.

F22 Crash stop (if there is a stop Contact your installer for help.
bu�on)

1. This fault means the leakage current is above 30mA suddenly.

Check whether DC power supply or solar panels is ok, then
AC leakage current is transient check 'Test data'-> 'diL'value is about 40; Then check the
F23 over current leakage current sensor or circuit. Check test data needs
using big LCD.
2. Restart the inverter, if the fault s�ll exists, contact your installer
or Deye service.

1. Check Vpe resistance on main board or detec�on on control

board. Check PV panels is OK. Many �mes this issue is the PV
problem.
2. Check whether the PV panel (aluminum frame) is grounded
F24 DC insula�on impedance failure well and inverter is grounded well. Open the cover of inverter
and then check the inside ground cable is fixed well on the shell.
3. Check if the AC/DC cable, terminal block are shorted to ground
or the insula�on is damaged.
4. Restart the inverter, if the fault s�ll exists, contact your installer
or Deye service.

F25 DC feedback fault Hardly appear the code. Never ever happened so far

1. Check whether the 'BUSN' cable or driver board power supply

F26 cable is loose.
The DC busbar is unbalanced 2. Restart the inverter, if the fault s�ll exists, contact your
installer or Deye service.

F27 DC end insula�on error Hardly appear the code. Never ever happened so far

F28 Inverter 1 DC high fault Hardly appear the code. Never ever happened so far

F29 AC load switch failure Hardly appear the code. Never ever happened so far

1. Check relays and AC voltage of relays.

2. Check relays driver circuit. Check if the so�ware is not suitable
F30 for this inverter. (Old inverter not have relays detec�on
AC main contactor failure func�on)
3. Restart the inverter, if the fault s�ll exists, contact your
installer or Deye service.

1. At least one Relay can't be closed. Check relays and its driver
F31 signal. (Old inverter not have relays detec�on func�on)
Relay open circuit fault 2. Restart the inverter, if the fault s�ll exists, contact your
installer or Deye service.

F32 Inverter 2 dc high fault Hardly appear the code. Never ever happened so far

F33 AC over current Hardly appear the code. Never ever happened so far

F34 AC current over load Hardly appear the code. Never ever happened so far

1. Check AC grid voltage. Check AC voltage detec�on circuit.

Check if the AC connector in good condi�on. Check whether
F35 No AC grid the AC grid is normal in voltage.
2. Restart the inverter, if the fault s�ll exists, contact your
installer or Deye service.
Error code Descrip�on Ongrid - Three Phase
F36 AC grid phase error Hardly appear the code. Never ever happened so far

F37 AC three-phase voltage unbalance Hardly appear the code. Never ever happened so far.
failure

F38 AC three-phase current unbalance Hardly appear the code. Never ever happened so far.
failure

1. Check AC current sensor and its circuit.

F39 AC over current(one cycle) 2. Restart the inverter, if the fault s�ll exists, contact your
installer or Deye service.

F40 DC over current Hardly appear the code. Never ever happened so far

Check the AC voltage protec�on se�ng. And Check if the AC

F41 AC Line W,U over voltage cable is too thin.Check the voltage difference between LCD and
meter.

Check the AC voltage protec�on se�ng. Check the voltage

F42 AC Line W,U low voltage difference between LCD and meter. Also need to check whether
AC cables are all firmly and correctly connected.

Check the AC voltage protec�on se�ng.And Check if the AC

F43 AC Line V,W over voltage cable is too thin.Check the voltage difference between LCD and
meter.

Check the AC voltage protec�on se�ng. Check the voltage

F44 AC Line V,W low voltage difference between LCD and meter. Also need to check whether
AC cables are all firmly and correctly connected.

Check the AC voltage protec�on se�ng.And Check if the AC

F45 AC Line U,V over voltage cable is too thin.Check the voltage difference between LCD and
meter.

F46 AC Line U,V low voltage Check the AC voltage protec�on se�ng.

F47 AC Over frequency Check the frequency protec�on se�ng.

F48 AC lower frequency Check the frequency protec�on se�ng.

F49 U phase grid current DC Hardly appear the code. Never ever happened so far.
component over current

F50 V phase grid current DC Hardly appear the code. Never ever happened so far.
component over current

F51 W phase grid current DC Hardly appear the code. Never ever happened so far.
component over current

F52 AC inductor A, phase current Hardly appear the code. Never ever happened so far.
DC current high

F53 AC inductor B, phase current Hardly appear the code. Never ever happened so far.
DC current high

F54 AC inductor C, phase current Hardly appear the code. Never ever happened so far.
DC current high

1. Check PV voltage and Ubus voltage and its detec�on circuit.

F55 If the PV input voltage exceeds the limit, please reduce the
DC busbar voltage is too high number of solar panels in series.
2. For Ubus voltage, please check the LCD display.
 Error code Descrip�on Ongrid - Three Phase

1. It tells the PV input voltage is low and it always happens in the

early morning.
2. Check PV voltage and Ubus voltage. When inverter is running,
F56 DC busbar voltage is too low then showing F56, maybe Loss of driver or need update
firmware.
3. Restart the inverter, if the fault s�ll exists, contact your
installer or Deye service.

F57 AC reverse irriga�on AC reverse irriga�on.

F58 AC grid U over current Hardly appear the code. Never ever happened so far.

F59 AC grid V over current Hardly appear the code. Never ever happened so far.

F60 AC grid W over current Hardly appear the code. Never ever happened so far.

F61 Reactor A phase over current Hardly appear the code. Never ever happened so far.

F62 Reactor B phase over current Hardly appear the code. Never ever happened so far.

1. Check PV module cable connec�on and clear the fault;

ARC fault
F63 2. Seek help from us, if can not go back to normal state.
1. Check temperature sensor. Check if firmware is suitable for
F64 the hardware. Check if the inverter is its right model.
IGBT heat sink high temperature 2. Restart the inverter, if the fault s�ll exists, contact your
installer or Deye service.

Table10.1 Error codes and their solu�ons

Safety Hint:
If your string inverter has any of the fault informa�on shown in Table 10-1,and
when you reset the machine and s�ll don’t solve the problem,please contact our
distributor and provide the below details:

1Serial number of the inverter;

2The distributor/dealer of the inverter(if available);
3Installa�on date;
4The discrip�on of problem(include LCD'error code and LED starus indicator lights);
5Your contact details.
11.Specifica�on
Model SUN-3K- SUN-3K- SUN-4K- SUN-5K- SUN-6K-
G05-1 G05 G05 G05 G05
Input Side
Max.DC Power(kW) 3.9 3.9 5.2 6.5 7.8
Max.DC Input Voltage(V) 1000
Start-up DC Input Voltage(V) 140
MPPT Opera�ng Range(V) 120~850
Max.DC Input Current(A) 13 13+13
Max. Short Circuit Current (A) 19.5 19.5+19.5
Number of MPPT/Strings per MPPT 1/1 2/1
MAX inverter backfeed current (A) 0
Output Side
Rated Output Power(kW) 3 3 4 5 6
Max.Ac�ve Power(kW) 3.3 3.3 4.4 5.5 6.6
Rated AC Grid Voltage(V) 3L/N/PE 220/380V 230/400V
AC Grid Voltage Range(V) 0.85Un-1.1Un(this may vary with grid standards)
Rated Grid Frequency(Hz) 50/60(Op�onal)
Opera�ng Phase Three phase
Rated AC Grid Output Current(A) 4.5/4.3A 4.5/4.3A 6.1/5.8A 7.6/7.2A 9.1/8.7A
Max.AC Output Current(A) 5/4.8A 5/4.8A 6.7/6.4A 8.3/8A 10/9.6A
Maximum output fault 8.2 8.2 11.1 13.7 16.6
current (a.c. A, peak )
Maximum output overcurrent 9.12 9.12 12.3 15.3 18.5
protec�on (a.c. A,peak)
Output Power Factor 0.8 leading~0.8 lagging
Grid Current THD <3%
DC Injec�on Current(mA) <0.5%
Grid Frequency Range 47-52 or 57-62op�onal
Efficiency
Max.Efficiency 98.3%
Euro Efficiency 97.5%
MPPT Efficiency >99%
General Data
Size(mm, W×H×D) 330×457×185
Weight(kg) 10
Topology Transformerless
Internal consump�on <1W(Night)
Opera�ng temperature -25 ~ 65, >45 dera�ng
Ingress protec�on IP65
Noise Emission(Typical) <25 dB
Cooling Concept Natural cooling
Max. opera�on al�tude 2000m
Designed Life�me >20 Years
VDE4105,IEC61727/62116,VDE0126,AS4777.2,CEI 0 21,EN50549-1,
Grid Connec�on Standard
G98,G99,C10-11,UNE217002,NBR16149/NBR16150
Opera�on surrounding humidity 0~100%
IEC/EN 62109-1,IEC/EN 62109-2,
Sta�y EMC / Standard
IEC/EN 61000-6-1,IEC/EN 61000-6-2,IEC/EN 61000-6-3,IEC/EN 61000-6-4
General Data
DC Connec�on MC-4 mateable
AC Connec�on IP65 rated plug
Display LCD1602
Interface RS485/RS232/Wifi/LAN
Model SUN-7K-G05 SUN-8K-G05 SUN-10K-G05 SUN-12K-G05
Input Side
Max.DC Power(kW) 9.1 10.4 13 15.6
Max.DC Input Voltage(V) 1000
Start-up DC Input Voltage(V) 140 250V
MPPT Opera�ng Range(V) 120~850 200~850
Max.DC Input Current(A) 13+13
Max. Short Circuit Current (A) 19.5+19.5
Number of MPPT/Strings per MPPT 2/1
MAX inverter backfeed current (A) 0
Output Side
Rated Output Power(kW) 7 8 10 12
Max.Ac�ve Power(kW) 7.7 8.8 11 13.2
Rated AC Grid Voltage(V) 3L/N/PE 220/380V 230/400V
AC Grid Voltage Range(V) 0.85Un-1.1Un(this may vary with grid standards)
Rated Grid Frequency(Hz) 50/60(Op�onal)
Opera�ng Phase Three phase
Rated AC Grid Output Current(A) 10.6/10.1A 12.1/11.6A 15.2/14.5A 18.2/17.4A
Max.AC Output Current(A) 11.7/11.1A 13.3/12.8A 16.7/15.9A 20/19.1A
Maximum output fault 19.2 22.1 27.7 33.2
current (a.c. A, peak )
Maximum output overcurrent 21.4 24.6 30.8 36.9
protec�on (a.c. A,peak)
Output Power Factor 0.8 leading~0.8 lagging
Grid Current THD <3%
DC Injec�on Current(mA) <0.5%
Grid Frequency Range 47-52 or 57-62op�onal
Efficiency
Max.Efficiency 98.3%
Euro Efficiency 97.5%
MPPT Efficiency >99%
General Data
Size(mm, W×H×D) 330×457×185 330×457×205
Weight(kg) 10 11
Topology Transformerless
Internal consump�on <1W(Night)
Opera�ng temperature -25 ~ 65, >45 dera�ng
Ingress protec�on IP65
Noise Emission(Typical) <25 dB
Cooling Concept Natural cooling
Max. opera�on al�tude 2000m
Designed Life�me >20 Years
VDE4105,IEC61727/62116,VDE0126,AS4777.2,CEI 0 21,EN50549-1,
Grid Connec�on Standard
G98,G99,C10-11,UNE217002,NBR16149/NBR16150
Opera�on surrounding humidity 0~100%
IEC/EN 62109-1,IEC/EN 62109-2,
Sta�y EMC / Standard
IEC/EN 61000-6-1,IEC/EN 61000-6-2,IEC/EN 61000-6-3,IEC/EN 61000-6-4
General Data
DC Connec�on MC-4 mateable
AC Connec�on IP65 rated plug
Display LCD1602
Interface RS485/RS232/Wifi/LAN
2022-10-08 Ver 2.3