SOFAR 15~24KTLX-G3 User manual
Copyright © Shenzhen SOFARSOLAR Co., Ltd.
Note: In the above table, the first value of IscPV is for MPPT1, the second value of
IscPV is for MPPT2.
4.1. Electrical Connection
Figure 4-1 flowchart for connecting cables to the inverter
4.2. Grounding Connection (PE)
Connect the inverter to the grounding electrode using ground cable
SOFAR 15~24KTLX-G3 is a transformerless inverter which requires the
positive pole and negative pole of the PV array are NOT grounded.
Otherwise, it will cause inverter failure. In the PV system, all
non-current-carrying metal parts (such as mounting frame, combiner box
enclosure, etc.) should be connected to earthed.
Preparation: prepare the grounding cable (recommend greater than
2.5mm²yellow-green outdoor cable)
Procedure:
Step 1: Remove the insulation layer with an appropriate length using a wire
stripper shown as figure 4-2）
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