GESTRA NRS 1-54, Оригинальная инструкция по установке

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In the plant: Wiring level electrode
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Connection of level electrode
The level switch NRS 1-54, NRS 1-55 can be used in combination with the following level electrodes:
Level electrodes
NRG 10-52,
NRG 16-52
Electrode with
4 rods
NRG 16-36
Electrode with 4
rods
NRG 16-4
Electrode with
1 rod
ER 50
Electrode with
4 rods
ER 56
Electrode with
4 rods
To connect the level electrode(s) use screened multi-core control cable with a min. conductor size
0.5 mm
2
, e. g. LiYCY 4 x 0.5 mm
2
, max. length: 100 m.
Wire terminal strip in accordance with the examples Fig. 4 to 13 .
Check the connection of the screen to the central earthing point (CEP) in the control cabinet.
Attention
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Please observe the instructions given in the installation & operating manual for the
NRG 10-52, NRG 16-52, NRG 16-36, NRG 16-4 and ER 5.-1!
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Make sure that connecting cables leading to the level electrodes are segregated and
run separately from power cables.
Factory settings
Level Switch NRS 1-54
The level switch features the following factory set default values:
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Response sensitivity: 10 μS/cm (at 25 °C)
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Function “Fill control”
Level Switch NRS 1-55
The level switch features the following factory set default values:
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Response sensitivity: 10 μS/cm (at 25 °C)
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Function “Discharge control”