Eltek Valere Theia He-t Manual de usuario descargar pdf (Pagina 26)

26 User Manual THEIA HE-t String Inverters 357115.013, Issue 1.0, 2011 March

Stringbox

If provided, the Stringbox is attached to the bottom of the inverter, and provides PV string

connection via the wiring that runs through either plug-in connectors or cable glands. A DC

disconnect switch may be provided and mounted in the stringbox.

NOTICE!

Ensure the DC switch is in the OFF position when removing the lower cover to access the

connection terminals.

Figure 4.3.5: DC disconnect switch

I = ON

0 = OFF

There are three different configurations of the stringbox:

1. Stringbox with DC fuse holders and DC switch

2. Stringbox with DC fuse holders and no DC switch

3. Stringbox with DC switch and no DC fuse holders

1. Stringbox with DC Fuse Holders and DC Switch

The Stringbox can be equipped with DC fuse holders, DC switch and plug-in connectors or

cable glands.

Figure 4.3.6: Optional DC connectors

P1, P2, P3:

Positive connectors

N1, N2, N3:

Negative connectors

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Eltek Valere Theia He-t Manual de usuario Pagina 26