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NRG 10-52, NRG 16-52 - USA - Installation & Operating Manual -
850696-00
Usage for the intended purpose
In combination with NRS 1-.. level switches, the NRG 10-52, NRG 16-52 level electrode indicates
when up to four different water levels have been reached. The level electrode and level switches
are installed in steam boilers and hot water installations or in condensate and feedwater tanks,
e.g., as a water level controller with MIN/MAX alarm.
When used as intended, the level electrode can be combined in a circuit with the following level
switch: NRS 1-56.
Improper use
There is a danger of death due to explosion if the equipment is used in potentially
explosive atmospheres.
Do not use the equipment in potentially explosive atmospheres.
Do not bring any equipment into service that does not have its own specific rating
plate.
The rating plate indicates the technical features of the equipment.
Applicable directives and standards
The equipment has been tested and approved for use in the scope governed by the following
directives and standards:
Standards:
■
UL 60730-1 and CAN/CSA E60730-1
General Requirements for Automatic Electrical Controls
■
UL 60730-2-15 and CAN/CSA E60730-2-15
Requirements for Automatic Electrical Water Level Sensing Controls
