Sofar solar 80KTL - Grounding Connection (PE)

80-136KTL User manual
Copyright © Shenzhen SOFARSOLAR Co., Ltd
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No
Name
Description
A
DC input
terminals
PVX+/PVX-
PV connector
B
USB/WIFI port
USB/WIFI
For WIFI,GPRS Communication
C
RS485
Modbus/DRMs
RS485/DRMs
RS485 Communication port/ DRMs
port
D
AC output
terminals
AC output terminal
E
Grounding
Connecting terminal of the ground ,
choose at least one for grounding
connection
5.3. Grounding Connection (PE)
Connect the inverter to the grounding electrode usingground cable
SOFAR 80-136kW 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.
Note
Preparation: prepare the grounding cable (recommend 16mm²yellow-green
outdoor cable and M8 OT Terminal)
Procedure:
Step 1: Remove the insulation layer with an appropriate length using a wire
stripper shown as figure 5-2
）
Figure 5-2 Grounding connection instruction（1）
Note：the length of L2 should 2~3mm higher than L1