ABB PVI-3.0/3.6/4.2-TL-OUTD - DC Side Input Connection Procedure

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000407BG
5 - Installation
Input connection to PV generator (DC side)
Once preliminary checks have been carried out and no problems found
with the photovoltaic system, and the channel conguration has been se-
lected (parallel or independent) you may connect the inputs to the inverter.
According to the system conguration, check the correct setting of the channels to indepen-
dent or in parallel mode. An incorrect setting of the input channels can lead to loss of energy
production.
Polarity inversion can cause serious damage. Check polarity before connecting each string!
When the photovoltaic panels are exposed to sunlight they provide continuous DC voltage to
the inverter. To avoid risks of electrical shock, all wiring operations must be carried out with
the DC disconnect switch (internal or external to the inverter) off.
For the string connections it is necessary to use the quick t connectors
(usually Weidmüller PV-Stick or WM4, MultiContact MC4 and Amphenol
H4) located on the bottom of the mechanic
17 18
.
PVI-3.0/3.6/4.2-TL-OUTD PVI-3.0/3.6/4.2-TL-OUTD-S
1817
17 18
Refer to the document “String inverter – Product Manual appendix” avai-
lable at www.abb.com/solarinverters to know the brand and the model of
the quick t connector. Depending on the model of the connector of the
own inverter, it is necessary to use the same model and the respective
counterpart (check the compliant counterpart on the website of the ma-
nufacturer or in ABB)
Using corresponding parts that are not compliant with the quick t connector models on the
inverter could cause serious damage to the unit and lead to invalidation of the warranty.
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