2
Contents
Page
Important notes
Usage for the intended purpose ...............................................................................................................4
Function ..................................................................................................................................................4
Safety note ..............................................................................................................................................4
Directives and standards
PED (Pressure Equipment Directive) ........................................................................................................5
LV (Low Voltage) Directive and EMC (Electromagnetic Compatibility) ........................................................5
ATEX (Atmosphère Explosible) .................................................................................................................5
Note on the Declaration of Conformity / Manufacturer's Declaration ...................................................5
Technical data
NRG 211-1 .............................................................................................................................................6
Scope of supply ......................................................................................................................................7
Name plate / marking ............................................................................................................................7
Installation
Dimensions NRG 211-1 ...........................................................................................................................8
Key .........................................................................................................................................................8
Welding standpipe ...................................................................................................................................9
NRG 211-1 ..............................................................................................................................................9
Tools .......................................................................................................................................................9
Examples of installation ........................................................................................................................10
Key .......................................................................................................................................................10
Electrical connection
Tools .....................................................................................................................................................11
NRV 2-30 ..............................................................................................................................................12
Wiring diagram .....................................................................................................................................12
NRV 2-30, wiring connecting terminals .................................................................................................13
