Esd Protection; Grounding Requirements; Moistureproof Protection - KEHUA TECH SPI-B X2 Series User Manual

PV Grid-tied Inverter SPI-B X2 Series (8K-25K)
User Manual
There exists dangerous voltage between the positive and negative of PV string!
When installing the device, make sure that the connection between inverter and PV string has been
disconnected completely. And set warning mark in the disconnected position to avoid reconnecting.

1.1.3 ESD Protection

To prevent human electrostatic damaging sensitive components(such as circuit board), make sure that
you wear a anti-static wrist strap before touching sensitive components, and the other end is well
grounded.

1.1.4 Grounding Requirements

The inverter must be grounded before wiring. The grounding terminal must be connected to ground,
or, there will be the risk of electric shock when touching the inverter.
 When installing, the inverter must be grounded first. When dismantling, the grounding wire must
be removed at last.
 Don't damage the grounding conductor.
 The inverter must be connected to protection grounding permanently. Before operation, check the
electrical connection to ensure the inverter is grounded reliably.

1.1.5 Moistureproof Protection

Moisture invasion may cause inverter damage!
Observe the following items to ensure the inverter works normally.
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1 Safety Description