Flowserve NRGS15-1 Bedienungsanleitung PDF herunterladen (Seite 19)

Wiring

Connect level switch NRGS 15-1

Use multi-core flexible control cable with a min. conductor size of 0.75 mm² as mains and

control cables.

1. Undo the housing screws and remove the housing lid .

2. Unplug the two-pole terminal strip and the twelve-pole terminal strip from the

electronics insert.

3. Strip off approx. 40 mm of cable insulation coating and remove approx. 5 mm of con-

ductor end insulation.

4. Loosen cable glands and run the mains cables through the lower cable gland

and the control cables through the upper cable glands .

5. Connect mains and control cables according to the wiring diagram (inside of housing

lid) to terminal strips , .

6. Plug terminal strips , to electronics insert.

7. Seal cable entries by tightenting cable glands . Use sealing plugs for cable

glands that are not used.

8. Replace the housing lid and tighten the housing screws firmly.

Tools

■ Screwdriver for cross recess head screws, size 1 and 2

■ Screwdriver for slotted screws, size 2.5, completely insulated according to VDE 0680

G F

J H

I I

H J

I I

F G

Attention

The following relocations of cables with basic insulation are not permissi-

ble: Mains and control cables in low voltage areas

Provide level switch and control circuit with a slow-blow 2.5A fuse.

Provide connected contactors with RC combinations according to manu-

facturer's specification to ensure interference suppression.

Note that the sealing plugs are not scope of the supply.

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Flowserve NRGS15-1 Bedienungsanleitung Seite 19