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Wiring, Terminal box – Flowserve NRGS 16-4 User Manual

Page 14

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14

Wiring

Terminal box

Use screened cable type I– Y (St) Y 2x 2x0.8mm ² or LIYCY 4x 0.5mm ² for wiring.

1. Unscrew screw

. Fig.3

2. Remove terminal box from level electrode, leaving the insulating rubber plate

on the contact

plate

.

3. Remove cover

.

4. Press connecting plate

out of the upper part of the terminal box

.

The electrode terminal can be turned in steps of 90°.

5. Detach cable gland

and cable strain relief

from the upper part of the terminal box

.

6. Run cable through cable gland

and upper part of the terminal box

and wire the terminal of the

connecting plate

according to the wiring diagram (see Fig. 8).

7. Press connecting plate

into the upper part of the terminal box

and align the cable.

8. Fix cable with cable strain relief

and cable gland

firmly into position.

9. Replace cover

and insert screw

.

10.Put upper part of the terminal box onto the level electrode and fix it with screw

.

If several level electrodes are to be installed in one steam boiler or vessel we recommend labelling the
terminal box with the electrode type.

E

I

J

F

H

G

L

K

G

L

G

H

H

G

K

L

F

E

E