Flowserve NRS1-9 Manuale Utente Scaricare il pdf (Pagina 11)

Tools

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

VDE 0680.

Commissioning

Check wiring

Check whether switching controller NRS 1-9 and the associated electrode

NRG 16-36 are wired in accordance with wiring diagram, fig. 1.

Apply power

Apply mains voltage. The green LED lights up, fig. 2.

Tools

Wiring – continued –

Basic Adjustments

Change-over for sensitivity

The switching controller can be set to two different sensitivities. For this purpose a

code switch consisting of four individual switches is provided on the rear of the

controller.

Range 1: Sensitivity from 10 µS/cm (factory setting)

Range 2: Sensitivity from 0.5 µS/cm

1. Cut off power supply to switching controller.

2. Loosen cover screws and unplug cover from its base , fig. 1.

3. Move all four individual switches of the code switch to the desired range using

a small screwdriver, fig. 5.

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

VDE 0680.

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Flowserve NRS1-9 Manuale Utente Pagina 11