Electrical Connection
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Electrical Cable Connection
CAUTION!
The cables shall be connected in accordance with the National
Electrical Code NFPA 70, CSA C22.1 and all other applicable local
codes or jurisdictions.
WARNING!
This unit is not provided with a GFDI device. This inverter or
charge controller must be used with an external GFDI device as
required by the Article 690 of the National Electrical Code for the
installation location.
First of all, use 5mm socket head screw wrench to remove the four screws on the
front cover, and then lift the cover slightly to remove it.
Figure 4-4 Remove the front cover
4.5.1
Grounding
There are two kinds of grounding method for this inverter. You can choose either
one way as below:
a)
Connect two internal DC grounding terminals (in the middle) and one
AC grounding terminal (on right side) as shown in Figure 4-5, or
b)
Connect the external grounding point as shown in Figure 4-6.
IMPORTANT!
It is important to use hand tools (e.g. socket wrench) instead of power
drivers or other types of screw drivers.
IMPORTANT!
The following wiring diagrams will take the 36 string input inverter as
an example provided that there are no obvious differences in wiring.