NOTE!
Please follow the requirements of PV modules as below:
• Same type; Same quantity; Identical alignment; Identical
tilt.
• In order to save cable and reduce the DC loss, we suggest
installing the inverter near PV modules.
DANGER!
Danger to life due to high voltages on DC conductors.
• When exposed to sunlight, the PV array generates
dangerous DC voltage which is present in the DC
conductors. Touching the DC conductors can lead to
lethal electric shocks.
• Cover the PV modules.
• Do not touch the DC conductors.
WARNING!
PV module voltage is very high which belongs to dangerous
voltage range, please comply with the electric safety rules
when connecting.
WARNING!
Please do not ground the PV positive or negative!
22
23
Table3 Max. DC Voltage Limitation
Ø
5.5 Connections of the Inverter
5.5.1 The Main Steps to Connect to the Inverter
PV String Connection
The inverter has one-string PV connector. Please select PV modules with
excellent function and reliable quality. Open circuit voltage of module array
connected should be < Max. DC (table as follows) input voltage, and
operating voltage should be within the MPPT voltage range.
X1-MINI-0.6K/0.7K/1.1K/1.5K/2.0K-G4
Table 4 Cable and Micro-breaker recommended
L,N cable
Inverter+BMU
Micro-breaker
10 A 10 A
20 A
16 A
PE cable
2.5-6 mm²
2.5-6 mm² 2.5-6 mm²
2.5-6 mm²
2.5-6 mm²
2.5-6 mm² 2.5-6 mm²
2.5-6 mm²
Model
20 A
2.5-6 mm²
2.5-6 mm²
20 A
2.5-6 mm²
2.5-6 mm²
10 A
2.5-6 mm²
2.5-6 mm²2.5-6 mm²
2.5-6 mm²
10 A
*Copper cable is recommended, if you use aluminum cable, please
consult the inverter manufacturer.
*The parameter varies because of different environment and material.
Please choose appropriate cable and micro-breaker according to the local
laws and regulations.
X1-MINI-
0.6K-G4
X1-MINI-
0.7K-G4
X1-MINI-
1.1K-G4
X1-MINI-
1.5K-G4
X1-MINI-
2.0K-G4
X1-MINI-
2.5K-G4
X1-MINI-
3.0K-G4
X1-MINI-
3.3K-G4
• Connection Steps
Tools below are needed before connection.
2
a) Turn off the DC switch, then choose 4mm wire to connect the PV
module.
b) Strip 7mm of insulation from the wire end by using the wire stripper
crimping tool.
MC4 crimping tool recommended
model : H4TC0001
manufacturer: Amphenol
Wire stripper
Crimping tool
MC4 crimping tool
(4mm - 6mm )
2 2
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