Goodwe GW10KN-DT, User Manual, Page: 6 / 15

L2=L1+(2~3mm)
L1
Earth terminal connection
The inverter is added earth terminal according to the requirement of EN 50178. It is suggested that installation person should
connect the terminal to earthing wire.
1.Strip the wire insulation sheet of a suitable length with a wire stripper, illustrated as Figure 3.4.1-3.
Figure 3.4.1-3
Figure 3.4.1-4
2.Insert the stripped wire into the terminal and compress it tightly by crimping pliers, illustrated as Figure 3.4.1-4.
Grid compatibility
Note
：
For TT grid structure, RMS voltage between neutral wire and earth wire must be less than 20V.
3.Fix the earth wire shall on the machine, illustrated as Figure 3.4.1-5.
4.In order to improve the corrosion resistance of the terminal, coat the terminal with silica gel after connection.
Note ： The terminal are not included in the delivery scope.
A
B
C
No
Terminal
Screw
Yellow and green
wire
Name
Statement
M5*12
2
Max
.
10mm
L1
L2
L3
N
PE
GoodWe
DT Series
PE
Transformer
TN - S
L1
L2
L3
PEN
PE
Transformer
TN - C
GoodWe
DT Series
L1
L2
L3
N
PE
PE
Transformer
TN - C - S
GoodWe
DT Series
L1
L2
L3
N
PE
Transformer
TT
GoodWe
DT Series
Figure 3.4.1-5
Figure 3.4.1-5
A
B
C
SDT series support four different types of grid.
3.4.1-5. please refer to Figure
(
(6) The minimum insulation resistance to ground of the PV panels must exceed 33.3k
Ω
（
R = 1000/30 mA)
，
there is a risk of shock hazard if the requirement of minimum resistance is not met.
5) Positive shall be red, negative shall be black .
3.4.2 AC circuit breaker and leakage current protection device
In order to ensure that the inverter can be safe and reliable to disconnect from the power grid,please install an
independent circuit breaker to protect the inverter.
Inverter model
GW4000-DT GW5000-DT GW6000-DT
GW8000-DT GW9000-DT GW10KN-DT
Recommended circuit breaker specifications
16A
25A
Note:Multiple inverters are not allowed to share a circuit breaker.Leakage current protector is not allowed toconnect
between the inverter and the circuit breaker.
The integrated leakage current detection device of the inverter can detect external leakage current in real time. When the
detected leakage current exceeds the limit value, inverter will quickly disconnect with the grid. If the leakage current
protection device is installed externally, the action current should be 300mA or higher.
3.4.3 DC Side Connection
(
1
)
Before connecting PV string, make sure DC switch is turned off
(
2
)
Make sure PV string polarity confirms with DC connector, otherwise, it will cause damage to inverter.
( 3 ) Make sure the maximum open circuit voltage (Voc) of each PV string does not exceed the inverter input voltage
Vmax under any condition.
(
4
)
Do not connect positive or negative pole of PV string to earth wire. Otherwise, it will cause damage to inverter.
.
Installation instruction of MC4 ,SUNLIX, Amphenol connectors please refer to Figure 3.4.3-1 or Figure 3.4.3-2 .
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