MPP Solar MPI 12KW WP - Mounting the Unit; Wiring Connection

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Mounting the Unit
When installing multiple units, please follow below chart.
NOTE: For proper air circulation to dissipate heat, it’s necessary to allow a clearance of
approx. 50 cm to the side and approx. 20 cm above and below the unit. Be sure to
install each unit in the same level.
Wiring Connection
The cable size of each inverter is shown as below:
Recommended battery cable and terminal size for each
inverter:
Model
Wire Size
Ring Terminal
Torque value
Cable mm
2
Dimensions
D (mm)
L (mm)
MPI 12KW WP
4/0
107
8.4
54.2
7~12 Nm
MPI 15KW WP
300
151
8.4
54.2
7~12 Nm
WARNING: Be sure the length of all battery cables is the same. Otherwise, there will
be voltage difference between inverter and battery to cause parallel inverters not
working.
Recommended AC input and output cable size for each inverter:
Model
AWG no.
Conductor cross-
section
Torque
MPI 12KW WP
10~8 AWG
5.5~10 mm
2
1.4~1.6Nm
MPI 15KW WP
10~8 AWG
5.5~10 mm
2
1.4~1.6Nm
You need to connect the cables of each inverter together. Take the battery cables for
example. You need to use a connector or bus-bar as a joint to connect the battery
cables together, and then connect to the battery terminal. The cable size used from joint
Ring terminal: