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Fig. 43. Single solar field connection, 1 string and 2 MPPTs.
Connection for installations with
b.
fields of different power ratings
(panels with different direction and/or
strings of different lengths):
If the installation does not have the solar panels on the
same plane, i.e., they receive different levels of irradiance,
either due to the shape of the roof or due to the different
inclination levels, or the lengths of the strings are not the
same, the connection must be made as follows:
Fig. 44. Connection of several solar fields and 2 MPPTs.
USER MANUAL
Insert the positive and negative connectors into the respective
4.
DC input terminals of the inverter. If the terminals are prop-
erly connected, they will make a clicking sound, as shown in
Fig. 45 and Fig. 46:
Fig. 45. Connecting the DC input terminals of units with 1 MPPT.
solar
Fig. 46. Connecting the DC input terminals of units with 2 MPPTs.
- Disconnect the AC circuit breaker from the grid side before
connecting the DC input terminals.
- The DC circuit breaker must be "OFF".
- Insulate the unused DC terminals with covers.
5.3.4. Battery system connection.
5.3.4.1. Warnings to consider during the
connection.
Disconnect the AC circuit breaker from the grid part.
1.
Disconnect the DC circuit breaker from the battery part.
2.
Disconnect the inverter DC switch ("Off" position).
3.
Ensure that the maximum input voltage of the battery is within
4.
the inverter limit (180 ∼ 750 V).
5.3.4.2. Lithium battery connector assembly
procedures.
Select the appropriate DC cable.
1.
Type of
cable
Outer diameter (mm
AVG 10
Strip 7 mm of the insulation sleeve of the DC cable, as shown
2.
in Fig. 47:
Conductor cross-section (mm
)
2
)
Conductor cross-section (mm
2
5.5 - 8.0
4.0 - 6.0
EQX2 SOLAR INVERTERS CONNECTED TO THE GRID
)
2
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