Deye SUN-70K-G03 User manual

Grid-tied PV String Inverter
User Manual
R
SUN-70K-G03 SUN-75K-G03 SUN-80K-G03

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




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-70K-G03, SUN-75K-G03,
SUN-80K-G03, SUN-100K-G03.



Pic 1.1 Front view

About This Manual


How to Use This Manual

Contents may be periodically

 The latest manual can be acquired via [email protected]

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 M12×80


User
manual
 







 
 


2.1 Safety Symbols







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.


2.3 Notes for using

It can ensure the personal safety of the user. But as a electric device, it may cause shock or





℃


achieved permission of local power company.


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.


3.2 Status Indicator

Pic 3.1 Front panel display
3.1 Interface View



alarm. red indicates alarming.
Explanaon
Inverter detects DC input
Low DC input voltage
Grid Connected
Grid Unavailable


Detected faults or report faults

Indicator status




on

on

on

on

Table 3.1 Status indicator lights


UP, Below is
DOWNESCENTER.

Display below content


3.4 LCD Display





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







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


500mm
500mm

4.2 Inverter of inverter












the holes on the wall according the marks.







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



 







Pic 5.3 Disassemble the connector cap nut


Pic 5.4 Crimp the contact pin to the wire
Pic 5.5 connector with cap nut screwed on



, shown as

cable, please make sure the resistance of cable is
lower than 1.5ohm. If the cable is longer than 20m, it’s recommended to use 20-25mm cables.

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:

connected to socket 3, the PE line is connected to the earth , the N wire is
connected to the socket of N.


 

 













digits as shown in Pic 5.8.



wiring harness to the connect terminal as shown in Pic5.10.
Pic  Pic 5.8 AC terminal
Pic 
o the terminal
Pic 5.10 Tightening the

L1 L2 L3 NPE





Pic 























Good grounded is important for resist the surge voltage shock and improve EMI's performance.


inverter need to be connected to the same grounding copper platoon to ensure the equipotent







Pic 
Warning:


than 300 mA or higher, otherwise inverter may not work properly.


Router
WIFI
GPRS
Web Server
Phone

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















When start up the inverter, should fellow below steps
1. First switch on the AC breaker.

and power, the inverter will start.
3. When the AC voltage and DC voltage are normal, the inverter start-up is ready to begin. The

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.

6.1 Start up the inverter



connector. The inverter will close the LCD and all led within two minutes.



