Flowserve NRG211-1 Level Probe User Manual
Page 6

6
Contents
Safety note ...................................................................................................................... 8
Danger ............................................................................................................................ 8
Important Notes
Page
Explanatory Notes
Scope of supply .............................................................................................................. 9
System description ......................................................................................................... 9
Function .......................................................................................................................... 9
Design ............................................................................................................................. 9
Technical data – level probe ......................................................................................... 10
Techncial data – preamplifier ........................................................................................ 10
Technical data – probe .................................................................................................. 10
Welding standpipe ........................................................................................................ 11
Note .............................................................................................................................. 11
Danger .......................................................................................................................... 11
Level probe ................................................................................................................... 11
Attention ........................................................................................................................ 11
Note .............................................................................................................................. 12
Tools .............................................................................................................................. 12
Installation
Wiring
Wiring diagram .............................................................................................................. 13
Key to wiring diagram ................................................................................................... 14
Attention ........................................................................................................................ 14
Note .............................................................................................................................. 15
Check wiring ................................................................................................................. 15
Apply mains voltage ...................................................................................................... 15
Check switching function .............................................................................................. 15
Check voltage ............................................................................................................... 15
Table 1 – measuring voltages ....................................................................................... 16
Check resistance thermometer .................................................................................... 16
Table 2 – resistance values .......................................................................................... 16
Commissioning