5
Important Notes
Danger
The terminal strips of the equipment are live during operation.
This presents the danger of electric shock.
Cut off power supply before mounting or removing the terminal strips and the housing
cover.
Usage for the intended purpose
Use the level controller NRR 240 only in conjunction with GESTRA level electrode NRG 2640 for
controlling liquid levels of conductive fluids.
Safety note
The equipment must only be installed and commissioned by qualified and competent staff. Retrofitting
and maintenance work must only be performed by qualified staff who – through adequate training –
have achieved a recognised level of competence.
LV (Low Voltage) Directive and EMC (Electromagnetic Compatibility)
The level controller NRR 240 meets the requirements of the Low Voltage Directive 2014/35/EU
and the EMC Directive 2014/30/EU.
Attention
The name plate specifies the technical features of the equipment. Note that any piece of
equipment without its specific name plate must neither be commissioned nor operated.
ATEX (Atmosphère Explosible)
According to the European Directive 2014/34/EU the equipment must
not
be used in potentially explo
sive areas.
Summary of Contents for NRR 2-40
Page 1: ...1 E N English Level Controller NRR 2 40 Original Installation Instructions 810369 06 ...
Page 9: ...9 Technical Data continued Dimensions Fig 2 1 1 8 100 73 ...
Page 10: ...10 Design 0 Fig 3 9 NRR 2 40 9 a ...
Page 11: ...11 Functional Elements NRR 2 40 Fig 5 Fig 4 1 7 6 5 4 3 2 8 ...
Page 13: ...13 Installation continued Fig 6 Example of Installation b 9 0 0 Fig 7 20 20 a ...