Pv String Input Connection - KEHUA TECH SPI-B X2 Series User Manual

3 Installation
Lightning
rod
Figure3-17 The grounding of inverter
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3.5.3 PV String Input Connection

When installing, use the equipped DC terminals and PV connectors to avoid inverter damage.
Switch off the DC switch before connecting the PV string.
Ensure that the connection between PV string and inverter at positive pole and negative pole is
correct.
The DC input voltage should be less than the max. input voltage of the inverter.
It's forbidden to connect the positive pole or negative pole of PV string with the grounding wire, or it
will cause inverter damage.
The PV string terminal not connected must take waterproof and shockproof measures.
The inverter has two groups of MPPT. The model, quantity, installation angle and direction of the PV
strings connected with PV string terminals must be the same. If the system just has two groups of PV
strings, the larger power one should be prior to connect with PV1, the other should be connected with
PV2.
×
Inverter
√
Grounding
system
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PV Grid-tied Inverter SPI-B X2 Series (8K-25K)
User Manual