Eltek Valere Theia He-t Guía de instalación descargar pdf (Pagina 11)

Installation Guide THEIA HE-t String Inverters 357115.033, Issue 2.0, 2011 March 11

• Ensure that the inverter is correctly mounted, and tighten the lock clip with one screw into

the inverter and one into the string box (if present).

• Recommended torque is 1.0 Nm / 0.74 ft-lbf.

2.3. Electrical Installation

Correct electrical connection is critical for achieving a safe, long-term and reliable operation

of the entire PV system.

DANGER: Never work with live wires!

All work on the inverter must be performed with disconnected terminals, as contact

with live wires may cause serious injury or death!

DANGER: Ensure correct electrical connections!

Connection of the AC and DC side must be performed by qualified persons and

comply with local and national electrical regulations and the instructions detailed in

this Installation Guide.

• Ensure that the conductors and circuit breakers are properly sized to comply with the ratings

of the circuits and the national electrical regulations to avoid possible damage.

• The conductors must be listed for PV applications and the site environment and have the

correct color coding to avoid material damage and bodily harm.

2.3.1. Connection Area

The DC connection can be configured in three different ways; either by using a stringbox

with fuse holders, a stringbox with no fuse holders or no string box.. The configuration of the

AC connections and the network connections are the same regardless of the different DC

connection options.

Prior to the electrical connection the lower inverter cover must be removed (See 1.3.3.

Inverter Structure).

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Eltek Valere Theia He-t Guía de instalación Pagina 11