Technical data

Chapter 3 Installation
17
The schematic diagram of wire connection is shown in
Figure 3-10.
Figure 3-10 Schematic diagram of DC side
The type of fuse is shown in Table 3-4. If a large stream
of electric current passes through, the fuse will be
disconnected and the GFDI circuit will detect the fault.
Solution of the problem may refer to “5.3 Troubleshooting”.
Table 3-4
Type of fuse
Rated
current
Rated
voltage
Safety breaking current
on rated voltage
Bussmann KLM-2 2A 600VAC 100kA@600VAC
Warning:
Please choose the type of inverter based on the way
of DC grounding system! Change of PV grounding in
the inverter is prohibited without permission. Please
contact our after-sale service personnel if the change of
grounding in the inverter is necessary.
-
~
=
GFDI
+
-
~
=
GFDI
+
Negative ground
Positive ground
PV+
PV-
Return
Hot
PV-
PV+
Return
Hot
Outside the
inverter
Inside the
inverter