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5.5 Grounding
Six Grounding Electrode Conductors are installed inside the wiring box, They are torx
head screw type connectors.The terminals accept solid or stranded copper 10(6mm^2)-
4(22mm^2) AWG wire, recommend screw torque is 18 in-lbs (2Nm).
As the leakage current is too large，an additional grounding point is
provided in the wiring box as below. The additional grounding point must
be reliable grounding. The minimum size of the additional grounding wire
is 10(6mm
5.6 Power meter
Connecting the current sensor in the following steps:
(1)
Attach a current sensor to the L cables of the main earth leakage circuit
breaker, Clamp the current sensor and make sure that the direction is correct.
(2)
Connect one end of the current sensor cable to the current sensor connection
terminal and the other end to the Meter terminal in the junction box of inverter.
Figure 5-6: Ground cable connection
WARNING !
2
)AWG.
24
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