Flowserve NRS1-41 - Manual (Page 6)

6
Important Notes
Safety Note
Installation must only be performed by qualified staff.
Qualified staff are those persons who – through adequate training in electrical
engineering, the use and application of safety equipment in accordance with
regulations concerning electrical safety systems, and first aid & accident
prevention – have achieved a recognised level of competence appropriate to the
installation and commissioning of this safety device.
Danger
The terminal strip of the NRS 1-41 is live during operation.
This presents the danger of electric shock.
Cut off power supply before mounting or removing the terminal strips and
housing lid.
Usage for the intended purpose
Use level switch NRS 1-41 only in conjunction with GESTRA level electrode
NRG 16-41, NRG 17-41 or NRG 19-41 for signalling high water level
(max. alarm).
Explanatory Notes
Scope of supply
NRS 1-41
1 Level switch NRS 1-41 (plug-in unit in plastic case with terminals)
1 Terminating resistor 120
Ω
1 Installation manual