For customers who want to do on-site insulation test, please make sure:
1. The DC switches are in “OFF” position.
2.
Apply one probe to the positions shown in Figure 3-40, the other to the ground.
It might cause damages to the inverter if probes are applied to inappropriate
positions.
3.6 On-site insulation test
Figure 3-40: Precautions for on-site insulation test
-120 Model WB
-121 Model WB
-122 Model WB
Hi-pot / InsulationHi-pot / Insulation
Hi-pot / Insulation
or
DC Switch
OFF
DC Switch OFF
or
DC Switch
OFF
Hi-pot / InsulationHi-pot / Insulation
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Installation