Flowserve NRG16-41 - Manual (Page 23)

3
Apply power to switching controller NRS -4.
Commissioning Procedure
Make sure that the level electrode NRG ..-4 is properly connected to the switching controller
NRS -4 according to the wiring diagram, Fig. 13.
Check wiring
Apply mains voltage
Operation
Used in combination with switching controller NRS -4 in (pressurized) hot-water plants and steam
boilers working in accordance with TRD 40, TRD 60, TRD 604 or other national regulations.
High-water level limiter (Max alarm)
Note
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Should malfunctions occur during the commissioning procedure refer to section
“Troubleshooting” on page  in order to find, analyse and eliminate the fault.