Conexión con cable flexible de tres hilos

Instalación

La conexión de cuatro hilos es el método preferido, pero donde los códigos locales permiten la puesta a tierra a través del neutral y/o donde la conversión a cuatro hilos es algo poco práctico, se puede conectar la unidad a la fuente de ali- mentación vía una conexión de tres hilos.

1.Desconecte la corriente eléctrica en la caja del cortacircuito.

2.Quite la tapa del bloque de terminales para exponer el bloque de terminales.

Figure 3: Bloque de terminales

4.Quite la tuerca SUPERIOR, arandela de estrella y arandela redonda de cada poste.

Nota:

NO quite la última arandela redonda, la última tuerca o los cables inter- nos.

5.Coloque una terminal de orejeta (incluida con este manual) en cada poste. Reemplace la arandela de estrella y la arandela redonda y fíjelos con un torque de 20 pulgadas-libra.

6.Pele 3/8 pulg. (9.53 mm) del aislamiento de cada extremo del cable..

3/8 “ (9.53 mm)

Figure 7: Pelar el cable

8.Inserte el extremo pelado del cable BLANCO en la terminal CENTRAL encima de la tira de conexión a tierra. Fije el tornillo de apriete..

terminal

tornillo de apriete

cable

Figure 9: Fijar el cable a la terminal de orejeta

10.Inserte el extremo pelado del cable ROJO en la terminal IZQUIERDA. Fije el tornillo de apriete.

11.Inserte el extremo del cable NEGRO en la terminal DERECHA. Fije el tornillo de apriete.

12.Apriete cada tornillo de apriete con el torque apropiado. Vea Tabla 3.

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Siemens HE2224(U, HE2528U, C), HE2425(U Conexión con cable flexible de tres hilos, Bloque de terminales

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